// Generated by delombok at Sun Feb 26 12:31:38 KST 2017 package scouter.bytebuddy.implementation; import scouter.bytebuddy.description.enumeration.EnumerationDescription; import scouter.bytebuddy.description.field.FieldDescription; import scouter.bytebuddy.description.method.MethodDescription; import scouter.bytebuddy.description.method.MethodList; import scouter.bytebuddy.description.method.ParameterDescription; import scouter.bytebuddy.description.method.ParameterList; import scouter.bytebuddy.description.type.TypeDescription; import scouter.bytebuddy.dynamic.scaffold.FieldLocator; import scouter.bytebuddy.dynamic.scaffold.InstrumentedType; import scouter.bytebuddy.dynamic.scaffold.MethodGraph; import scouter.bytebuddy.implementation.bytecode.assign.Assigner; import scouter.bytebuddy.implementation.bytecode.collection.ArrayAccess; import scouter.bytebuddy.implementation.bytecode.member.FieldAccess; import scouter.bytebuddy.implementation.bytecode.member.MethodInvocation; import scouter.bytebuddy.implementation.bytecode.member.MethodReturn; import scouter.bytebuddy.implementation.bytecode.member.MethodVariableAccess; import scouter.bytebuddy.matcher.ElementMatcher; import scouter.bytebuddy.utility.CompoundList; import scouter.bytebuddy.utility.JavaConstant; import scouter.bytebuddy.utility.JavaType; import scouter.bytebuddy.utility.RandomString; import scouter.bytebuddy.jar.asm.MethodVisitor; import scouter.bytebuddy.jar.asm.Opcodes; import scouter.bytebuddy.implementation.bytecode.*; import scouter.bytebuddy.implementation.bytecode.constant.*; import scouter.bytebuddy.matcher.ElementMatchers; import java.lang.reflect.Constructor; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.List; import java.util.concurrent.Callable; /** * This {@link Implementation} allows the invocation of a specified method while * providing explicit arguments to this method. */ public class MethodCall implements Implementation.Composable { /** * The method locator to use. */ protected final MethodLocator methodLocator; /** * The target handler to use. */ protected final TargetHandler targetHandler; /** * The argument loader to load arguments onto the operand stack in their application order. */ protected final List<ArgumentLoader.Factory> argumentLoaders; /** * The method invoker to use. */ protected final MethodInvoker methodInvoker; /** * The termination handler to use. */ protected final TerminationHandler terminationHandler; /** * The assigner to use. */ protected final Assigner assigner; /** * Indicates if dynamic type castings should be attempted for incompatible assignments. */ protected final Assigner.Typing typing; /** * Creates a new method call implementation. * * @param methodLocator The method locator to use. * @param targetHandler The target handler to use. * @param argumentLoaders The argument loader to load arguments onto the operand stack in * their application order. * @param methodInvoker The method invoker to use. * @param terminationHandler The termination handler to use. * @param assigner The assigner to use. * @param typing Indicates if dynamic type castings should be attempted for incompatible assignments. */ protected MethodCall(MethodLocator methodLocator, TargetHandler targetHandler, List<ArgumentLoader.Factory> argumentLoaders, MethodInvoker methodInvoker, TerminationHandler terminationHandler, Assigner assigner, Assigner.Typing typing) { this.methodLocator = methodLocator; this.targetHandler = targetHandler; this.argumentLoaders = argumentLoaders; this.methodInvoker = methodInvoker; this.terminationHandler = terminationHandler; this.assigner = assigner; this.typing = typing; } /** * Invokes the given method. Without further specification, the method is invoked without any arguments on * the instance of the instrumented class or statically, if the given method is {@code static}. * * @param method The method to invoke. * @return A method call implementation that invokes the given method without providing any arguments. */ public static WithoutSpecifiedTarget invoke(Method method) { return invoke(new MethodDescription.ForLoadedMethod(method)); } /** * Invokes the given constructor on the instance of the instrumented type. * * @param constructor The constructor to invoke. * @return A method call implementation that invokes the given constructor without providing any arguments. */ public static WithoutSpecifiedTarget invoke(Constructor<?> constructor) { return invoke(new MethodDescription.ForLoadedConstructor(constructor)); } /** * Invokes the given method. If the method description describes a constructor, it is automatically invoked as * a special method invocation on the instance of the instrumented type. The same is true for {@code private} * methods. Finally, {@code static} methods are invoked statically. * * @param methodDescription The method to invoke. * @return A method call implementation that invokes the given method without providing any arguments. */ public static WithoutSpecifiedTarget invoke(MethodDescription methodDescription) { return invoke(new MethodLocator.ForExplicitMethod(methodDescription)); } /** * Invokes a unique virtual method of the instrumented type that is matched by the specified matcher. * * @param matcher The matcher to identify the method to invoke. * @return A method call for the uniquely identified method. */ public static WithoutSpecifiedTarget invoke(ElementMatcher<? super MethodDescription> matcher) { return invoke(matcher, MethodGraph.Compiler.DEFAULT); } /** * Invokes a unique virtual method of the instrumented type that is matched by the specified matcher. * * @param matcher The matcher to identify the method to invoke. * @param methodGraphCompiler The method graph compiler to use. * @return A method call for the uniquely identified method. */ public static WithoutSpecifiedTarget invoke(ElementMatcher<? super MethodDescription> matcher, MethodGraph.Compiler methodGraphCompiler) { return invoke(new MethodLocator.ForElementMatcher(matcher, methodGraphCompiler)); } /** * Invokes a method using the provided method locator. * * @param methodLocator The method locator to apply for locating the method to invoke given the instrumented * method. * @return A method call implementation that uses the provided method locator for resolving the method * to be invoked. */ public static WithoutSpecifiedTarget invoke(MethodLocator methodLocator) { return new WithoutSpecifiedTarget(methodLocator); } /** * Invokes the instrumented method recursively. Invoking this method on the same instance causes a {@link StackOverflowError} due to * infinite recursion. * * @return A method call that invokes the method being instrumented. */ public static WithoutSpecifiedTarget invokeSelf() { return new WithoutSpecifiedTarget(MethodLocator.ForInstrumentedMethod.INSTANCE); } /** * Invokes the instrumented method as a super method call on the instance itself. This is a shortcut for {@code invokeSelf().onSuper()}. * * @return A method call that invokes the method being instrumented as a super method call. */ public static MethodCall invokeSuper() { return invokeSelf().onSuper(); } /** * Implements a method by invoking the provided {@link Callable}. The return value of the provided object is casted to the implemented method's * return type, if necessary. * * @param callable The callable to invoke when a method is intercepted. * @return A composable method implementation that invokes the given callable. */ public static Composable call(Callable<?> callable) { try { return invoke(Callable.class.getMethod("call")).on(callable, Callable.class).withAssigner(Assigner.DEFAULT, Assigner.Typing.DYNAMIC); } catch (NoSuchMethodException exception) { throw new IllegalStateException("Could not locate Callable::call method", exception); } } /** * Implements a method by invoking the provided {@link Runnable}. If the instrumented method returns a value, {@code null} is returned. * * @param runnable The runnable to invoke when a method is intercepted. * @return A composable method implementation that invokes the given runnable. */ public static Composable run(Runnable runnable) { try { return invoke(Runnable.class.getMethod("run")).on(runnable, Runnable.class).withAssigner(Assigner.DEFAULT, Assigner.Typing.DYNAMIC); } catch (NoSuchMethodException exception) { throw new IllegalStateException("Could not locate Runnable::run method", exception); } } /** * Invokes the given constructor in order to create an instance. * * @param constructor The constructor to invoke. * @return A method call that invokes the given constructor without providing any arguments. */ public static MethodCall construct(Constructor<?> constructor) { return construct(new MethodDescription.ForLoadedConstructor(constructor)); } /** * Invokes the given constructor in order to create an instance. * * @param methodDescription A description of the constructor to invoke. * @return A method call that invokes the given constructor without providing any arguments. */ public static MethodCall construct(MethodDescription methodDescription) { if (!methodDescription.isConstructor()) { throw new IllegalArgumentException("Not a constructor: " + methodDescription); } return new MethodCall(new MethodLocator.ForExplicitMethod(methodDescription), TargetHandler.ForConstructingInvocation.INSTANCE, Collections.<ArgumentLoader.Factory>emptyList(), MethodInvoker.ForContextualInvocation.INSTANCE, TerminationHandler.RETURNING, Assigner.DEFAULT, Assigner.Typing.STATIC); } /** * Defines a number of arguments to be handed to the method that is being invoked by this implementation. Any * wrapper type instances for primitive values, instances of {@link java.lang.String} or {@code null} are loaded * directly onto the operand stack. This might corrupt referential identity for these values. Any other values * are stored within a {@code static} field that is added to the instrumented type. * * @param argument The arguments to provide to the method that is being called in their order. * @return A method call that hands the provided arguments to the invoked method. */ public MethodCall with(Object... argument) { List<ArgumentLoader.Factory> argumentLoaders = new ArrayList<ArgumentLoader.Factory>(argument.length); for (Object anArgument : argument) { argumentLoaders.add(ArgumentLoader.ForInstance.Factory.of(anArgument)); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, argumentLoaders), methodInvoker, terminationHandler, assigner, typing); } /** * Defines the given types to be provided as arguments to the invoked method where the represented types * are stored in the generated class's constant pool. * * @param typeDescription The type descriptions to provide as arguments. * @return A method call that hands the provided arguments to the invoked method. */ public MethodCall with(TypeDescription... typeDescription) { List<ArgumentLoader.Factory> argumentLoaders = new ArrayList<ArgumentLoader.Factory>(typeDescription.length); for (TypeDescription aTypeDescription : typeDescription) { argumentLoaders.add(new ArgumentLoader.ForClassConstant(aTypeDescription)); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, argumentLoaders), methodInvoker, terminationHandler, assigner, typing); } /** * Defines the given enumeration values to be provided as arguments to the invoked method where the values * are read from the enumeration class on demand. * * @param enumerationDescription The enumeration descriptions to provide as arguments. * @return A method call that hands the provided arguments to the invoked method. */ public MethodCall with(EnumerationDescription... enumerationDescription) { List<ArgumentLoader.Factory> argumentLoaders = new ArrayList<ArgumentLoader.Factory>(enumerationDescription.length); for (EnumerationDescription anEnumerationDescription : enumerationDescription) { argumentLoaders.add(new ArgumentLoader.ForEnumerationValue(anEnumerationDescription)); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, argumentLoaders), methodInvoker, terminationHandler, assigner, typing); } /** * Defines the given Java instances to be provided as arguments to the invoked method where the given * instances are stored in the generated class's constant pool. * * @param javaConstant The Java instances to provide as arguments. * @return A method call that hands the provided arguments to the invoked method. */ public MethodCall with(JavaConstant... javaConstant) { List<ArgumentLoader.Factory> argumentLoaders = new ArrayList<ArgumentLoader.Factory>(javaConstant.length); for (JavaConstant aJavaConstant : javaConstant) { argumentLoaders.add(new ArgumentLoader.ForJavaConstant(aJavaConstant)); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, argumentLoaders), methodInvoker, terminationHandler, assigner, typing); } /** * Defines a number of arguments to be handed to the method that is being invoked by this implementation. Any * value is stored within a field in order to preserve referential identity. As an exception, the {@code null} * value is not stored within a field. * * @param argument The arguments to provide to the method that is being called in their order. * @return A method call that hands the provided arguments to the invoked method. */ public MethodCall withReference(Object... argument) { List<ArgumentLoader.Factory> argumentLoaders = new ArrayList<ArgumentLoader.Factory>(argument.length); for (Object anArgument : argument) { argumentLoaders.add(anArgument == null ? ArgumentLoader.ForNullConstant.INSTANCE : new ArgumentLoader.ForInstance.Factory(anArgument)); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, argumentLoaders), methodInvoker, terminationHandler, assigner, typing); } /** * Defines a number of arguments of the instrumented method by their parameter indices to be handed * to the invoked method as an argument. * * @param index The parameter indices of the instrumented method to be handed to the invoked method as an * argument in their order. The indices are zero-based. * @return A method call that hands the provided arguments to the invoked method. */ public MethodCall withArgument(int... index) { List<ArgumentLoader.Factory> argumentLoaders = new ArrayList<ArgumentLoader.Factory>(index.length); for (int anIndex : index) { if (anIndex < 0) { throw new IllegalArgumentException("Negative index: " + anIndex); } argumentLoaders.add(new ArgumentLoader.ForMethodParameter.Factory(anIndex)); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, argumentLoaders), methodInvoker, terminationHandler, assigner, typing); } /** * Adds all arguments of the instrumented method as arguments to the invoked method to this method call. * * @return A method call that hands all arguments arguments of the instrumented method to the invoked method. */ public MethodCall withAllArguments() { return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, ArgumentLoader.ForMethodParameter.OfInstrumentedMethod.INSTANCE), methodInvoker, terminationHandler, assigner, typing); } /** * <p> * Creates a method call where the parameter with {@code index} is expected to be an array and where each element of the array * is expected to represent an argument for the method being invoked. * </p> * <p> * <b>Note</b>: This is typically used in combination with dynamic type assignments which is activated via * {@link MethodCall#withAssigner(Assigner, Assigner.Typing)} using a {@link Assigner.Typing#DYNAMIC}. * </p> * * @param index The index of the parameter. * @return A method call that loads {@code size} elements from the array handed to the instrumented method as argument {@code index}. */ public MethodCall withArgumentArrayElements(int index) { if (index < 0) { throw new IllegalArgumentException("A parameter index cannot be negative: " + index); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, new ArgumentLoader.ForMethodParameterArray.OfInvokedMethod(index)), methodInvoker, terminationHandler, assigner, typing); } /** * <p> * Creates a method call where the parameter with {@code index} is expected to be an array and where {@code size} elements are loaded * from the array as arguments for the invoked method. * </p> * <p> * <b>Note</b>: This is typically used in combination with dynamic type assignments which is activated via * {@link MethodCall#withAssigner(Assigner, Assigner.Typing)} using a {@link Assigner.Typing#DYNAMIC}. * </p> * * @param index The index of the parameter. * @param size The amount of elements to load from the array. * @return A method call that loads {@code size} elements from the array handed to the instrumented method as argument {@code index}. */ public MethodCall withArgumentArrayElements(int index, int size) { return withArgumentArrayElements(index, 0, size); } /** * <p> * Creates a method call where the parameter with {@code index} is expected to be an array and where {@code size} elements are loaded * from the array as arguments for the invoked method. The first element is loaded from index {@code start}. * </p> * <p> * <b>Note</b>: This is typically used in combination with dynamic type assignments which is activated via * {@link MethodCall#withAssigner(Assigner, Assigner.Typing)} using a {@link Assigner.Typing#DYNAMIC}. * </p> * * @param index The index of the parameter. * @param start The first array index to consider. * @param size The amount of elements to load from the array with increasing index from {@code start}. * @return A method call that loads {@code size} elements from the array handed to the instrumented method as argument {@code index}. */ public MethodCall withArgumentArrayElements(int index, int start, int size) { if (index < 0) { throw new IllegalArgumentException("A parameter index cannot be negative: " + index); } else if (start < 0) { throw new IllegalArgumentException("An array index cannot be negative: " + start); } else if (size == 0) { return this; } else if (size < 0) { throw new IllegalArgumentException("Size cannot be negative: " + size); } List<ArgumentLoader.Factory> argumentLoaders = new ArrayList<ArgumentLoader.Factory>(size); for (int position = 0; position < size; position++) { argumentLoaders.add(new ArgumentLoader.ForMethodParameterArray.OfParameter(index, start + position)); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, argumentLoaders), methodInvoker, terminationHandler, assigner, typing); } /** * Assigns the {@code this} reference to the next parameter. * * @return This method call where the next parameter is a assigned a reference to the {@code this} reference * of the instance of the intercepted method. */ public MethodCall withThis() { return new MethodCall(methodLocator, targetHandler, CompoundList.of(argumentLoaders, ArgumentLoader.ForThisReference.Factory.INSTANCE), methodInvoker, terminationHandler, assigner, typing); } /** * Assigns the {@link java.lang.Class} value of the instrumented type. * * @return This method call where the next parameter is a assigned a reference to the {@link java.lang.Class} * value of the instrumented type. */ public MethodCall withOwnType() { return new MethodCall(methodLocator, targetHandler, CompoundList.of(argumentLoaders, ArgumentLoader.ForInstrumentedType.Factory.INSTANCE), methodInvoker, terminationHandler, assigner, typing); } /** * Defines a method call which fetches a value from a list of existing fields. * * @param name The names of the fields. * @return A method call which assigns the next parameters to the values of the given fields. */ public MethodCall withField(String... name) { return withField(FieldLocator.ForClassHierarchy.Factory.INSTANCE, name); } /** * Defines a method call which fetches a value from a list of existing fields. * * @param fieldLocatorFactory The field locator factory to use. * @param name The names of the fields. * @return A method call which assigns the next parameters to the values of the given fields. */ public MethodCall withField(FieldLocator.Factory fieldLocatorFactory, String... name) { List<ArgumentLoader.Factory> argumentLoaders = new ArrayList<ArgumentLoader.Factory>(name.length); for (String aFieldName : name) { argumentLoaders.add(new ArgumentLoader.ForField.Factory(aFieldName, fieldLocatorFactory)); } return new MethodCall(methodLocator, targetHandler, CompoundList.of(this.argumentLoaders, argumentLoaders), methodInvoker, terminationHandler, assigner, typing); } /** * Defines an assigner to be used for assigning values to the parameters of the invoked method. This assigner * is also used for assigning the invoked method's return value to the return type of the instrumented method, * if this method is not chained with * {@link MethodCall#andThen(Implementation)} such * that a return value of this method call is discarded. * * @param assigner The assigner to use. * @param typing Indicates if dynamic type castings should be attempted for incompatible assignments. * @return This method call using the provided assigner. */ public Implementation.Composable withAssigner(Assigner assigner, Assigner.Typing typing) { return new MethodCall(methodLocator, targetHandler, argumentLoaders, methodInvoker, terminationHandler, assigner, typing); } @Override public Implementation andThen(Implementation implementation) { return new Implementation.Compound(new MethodCall(methodLocator, targetHandler, argumentLoaders, methodInvoker, TerminationHandler.DROPPING, assigner, typing), implementation); } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { for (ArgumentLoader.Factory argumentLoader : argumentLoaders) { instrumentedType = argumentLoader.prepare(instrumentedType); } return targetHandler.prepare(instrumentedType); } @Override public ByteCodeAppender appender(Target implementationTarget) { return new Appender(implementationTarget); } /** * A method locator is responsible for identifying the method that is to be invoked * by a {@link MethodCall}. */ public interface MethodLocator { /** * Resolves the method to be invoked. * * @param instrumentedType The instrumented type. * @param instrumentedMethod The method being instrumented. * @return The method to invoke. */ MethodDescription resolve(TypeDescription instrumentedType, MethodDescription instrumentedMethod); /** * A method locator that simply returns the intercepted method. */ enum ForInstrumentedMethod implements MethodLocator { /** * The singleton instance. */ INSTANCE; @Override public MethodDescription resolve(TypeDescription instrumentedType, MethodDescription instrumentedMethod) { return instrumentedMethod; } } /** * Invokes a given method. */ class ForExplicitMethod implements MethodLocator { /** * The method to be invoked. */ private final MethodDescription methodDescription; /** * Creates a new method locator for a given method. * * @param methodDescription The method to be invoked. */ protected ForExplicitMethod(MethodDescription methodDescription) { this.methodDescription = methodDescription; } @Override public MethodDescription resolve(TypeDescription instrumentedType, MethodDescription instrumentedMethod) { return methodDescription; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.MethodLocator.ForExplicitMethod)) return false; final MethodCall.MethodLocator.ForExplicitMethod other = (MethodCall.MethodLocator.ForExplicitMethod) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$methodDescription = this.methodDescription; final java.lang.Object other$methodDescription = other.methodDescription; if (this$methodDescription == null ? other$methodDescription != null : !this$methodDescription.equals(other$methodDescription)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.MethodLocator.ForExplicitMethod; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $methodDescription = this.methodDescription; result = result * PRIME + ($methodDescription == null ? 43 : $methodDescription.hashCode()); return result; } } /** * A method locator that identifies a unique virtual method. */ class ForElementMatcher implements MethodLocator { /** * The matcher to use. */ private final ElementMatcher<? super MethodDescription> matcher; /** * The method graph compiler to use. */ private final MethodGraph.Compiler methodGraphCompiler; /** * Creates a new method locator for an element matcher. * * @param matcher The matcher to use. * @param methodGraphCompiler The method graph compiler to use. */ protected ForElementMatcher(ElementMatcher<? super MethodDescription> matcher, MethodGraph.Compiler methodGraphCompiler) { this.matcher = matcher; this.methodGraphCompiler = methodGraphCompiler; } @Override public MethodDescription resolve(TypeDescription instrumentedType, MethodDescription instrumentedMethod) { MethodList<?> candidates = methodGraphCompiler.compile(instrumentedType).listNodes().asMethodList().filter(matcher); if (candidates.size() == 1) { return candidates.getOnly(); } else { throw new IllegalStateException(instrumentedType + " does not define exactly one virtual method for " + matcher); } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.MethodLocator.ForElementMatcher)) return false; final MethodCall.MethodLocator.ForElementMatcher other = (MethodCall.MethodLocator.ForElementMatcher) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$matcher = this.matcher; final java.lang.Object other$matcher = other.matcher; if (this$matcher == null ? other$matcher != null : !this$matcher.equals(other$matcher)) return false; final java.lang.Object this$methodGraphCompiler = this.methodGraphCompiler; final java.lang.Object other$methodGraphCompiler = other.methodGraphCompiler; if (this$methodGraphCompiler == null ? other$methodGraphCompiler != null : !this$methodGraphCompiler.equals(other$methodGraphCompiler)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.MethodLocator.ForElementMatcher; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $matcher = this.matcher; result = result * PRIME + ($matcher == null ? 43 : $matcher.hashCode()); final java.lang.Object $methodGraphCompiler = this.methodGraphCompiler; result = result * PRIME + ($methodGraphCompiler == null ? 43 : $methodGraphCompiler.hashCode()); return result; } } } /** * A target handler is responsible for invoking a method for a * {@link MethodCall}. */ protected interface TargetHandler extends InstrumentedType.Prepareable { /** * Creates a stack manipulation that represents the method's invocation. * * @param invokedMethod The method to be invoked. * @param instrumentedMethod The instrumented method. * @param instrumentedType The instrumented type. @return A stack manipulation that invokes the method. * @param assigner The assigner to use. * @param typing The typing to apply. * @return A stack manipulation that loads the method target onto the operand stack. */ StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, TypeDescription instrumentedType, Assigner assigner, Assigner.Typing typing); /** * A target handler that invokes a method either on the instance of the instrumented * type or as a static method. */ enum ForSelfOrStaticInvocation implements TargetHandler { /** * The singleton instance. */ INSTANCE; @Override public StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, TypeDescription instrumentedType, Assigner assigner, Assigner.Typing typing) { return new StackManipulation.Compound(invokedMethod.isStatic() ? StackManipulation.Trivial.INSTANCE : MethodVariableAccess.loadThis(), invokedMethod.isConstructor() ? Duplication.SINGLE : StackManipulation.Trivial.INSTANCE); } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } } /** * Invokes a method in order to construct a new instance. */ enum ForConstructingInvocation implements TargetHandler { /** * The singleton instance. */ INSTANCE; @Override public StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, TypeDescription instrumentedType, Assigner assigner, Assigner.Typing typing) { return new StackManipulation.Compound(TypeCreation.of(invokedMethod.getDeclaringType().asErasure()), Duplication.SINGLE); } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } } /** * A target handler that invokes a method on an instance that is stored in a static field. */ class ForValue implements TargetHandler { /** * The name prefix of the field to store the instance. */ private static final String FIELD_PREFIX = "invocationTarget"; /** * The target on which the method is to be invoked. */ private final Object target; /** * The type of the field. */ private final TypeDescription.Generic fieldType; /** * The name of the field to store the target. */ private final String name; /** * Creates a new target handler for a static field. * * @param target The target on which the method is to be invoked. * @param fieldType The type of the field. */ protected ForValue(Object target, TypeDescription.Generic fieldType) { this.target = target; this.fieldType = fieldType; name = String.format("%s$%s", FIELD_PREFIX, RandomString.make()); } @Override public StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, TypeDescription instrumentedType, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = assigner.assign(fieldType, invokedMethod.getDeclaringType().asGenericType(), typing); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " on " + fieldType); } return new StackManipulation.Compound(FieldAccess.forField(instrumentedType.getDeclaredFields().filter(ElementMatchers.named(name)).getOnly()).read(), stackManipulation); } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType.withField(new FieldDescription.Token(name, Opcodes.ACC_SYNTHETIC | Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC, fieldType)).withInitializer(new LoadedTypeInitializer.ForStaticField(name, target)); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.TargetHandler.ForValue)) return false; final MethodCall.TargetHandler.ForValue other = (MethodCall.TargetHandler.ForValue) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$target = this.target; final java.lang.Object other$target = other.target; if (this$target == null ? other$target != null : !this$target.equals(other$target)) return false; final java.lang.Object this$fieldType = this.fieldType; final java.lang.Object other$fieldType = other.fieldType; if (this$fieldType == null ? other$fieldType != null : !this$fieldType.equals(other$fieldType)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.TargetHandler.ForValue; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $target = this.target; result = result * PRIME + ($target == null ? 43 : $target.hashCode()); final java.lang.Object $fieldType = this.fieldType; result = result * PRIME + ($fieldType == null ? 43 : $fieldType.hashCode()); return result; } } /** * Creates a target handler that stores the instance to invoke a method on in an instance field. */ class ForField implements TargetHandler { /** * The name of the field. */ private final String name; /** * The field locator factory to use. */ private final FieldLocator.Factory fieldLocatorFactory; /** * Creates a new target handler for storing a method invocation target in an * instance field. * * @param name The name of the field. * @param fieldLocatorFactory The field locator factory to use. */ protected ForField(String name, FieldLocator.Factory fieldLocatorFactory) { this.name = name; this.fieldLocatorFactory = fieldLocatorFactory; } @Override public StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, TypeDescription instrumentedType, Assigner assigner, Assigner.Typing typing) { FieldLocator.Resolution resolution = fieldLocatorFactory.make(instrumentedType).locate(name); if (!resolution.isResolved()) { throw new IllegalStateException("Could not locate field name " + name + " on " + instrumentedType); } else if (!resolution.getField().isStatic() && !instrumentedType.isAssignableTo(resolution.getField().getDeclaringType().asErasure())) { throw new IllegalStateException("Cannot access " + resolution.getField() + " from " + instrumentedType); } StackManipulation stackManipulation = assigner.assign(resolution.getField().getType(), invokedMethod.getDeclaringType().asGenericType(), typing); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " on " + resolution.getField()); } return new StackManipulation.Compound(invokedMethod.isStatic() ? StackManipulation.Trivial.INSTANCE : MethodVariableAccess.loadThis(), FieldAccess.forField(resolution.getField()).read(), stackManipulation); } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.TargetHandler.ForField)) return false; final MethodCall.TargetHandler.ForField other = (MethodCall.TargetHandler.ForField) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$name = this.name; final java.lang.Object other$name = other.name; if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false; final java.lang.Object this$fieldLocatorFactory = this.fieldLocatorFactory; final java.lang.Object other$fieldLocatorFactory = other.fieldLocatorFactory; if (this$fieldLocatorFactory == null ? other$fieldLocatorFactory != null : !this$fieldLocatorFactory.equals(other$fieldLocatorFactory)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.TargetHandler.ForField; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $name = this.name; result = result * PRIME + ($name == null ? 43 : $name.hashCode()); final java.lang.Object $fieldLocatorFactory = this.fieldLocatorFactory; result = result * PRIME + ($fieldLocatorFactory == null ? 43 : $fieldLocatorFactory.hashCode()); return result; } } /** * A target handler that loads the parameter of the given index as the target object. */ class ForMethodParameter implements TargetHandler { /** * The index of the instrumented method's parameter that is the target of the method invocation. */ private final int index; /** * Creates a new target handler for the instrumented method's argument. * * @param index The index of the instrumented method's parameter that is the target of the method invocation. */ protected ForMethodParameter(int index) { this.index = index; } @Override public StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, TypeDescription instrumentedType, Assigner assigner, Assigner.Typing typing) { if (instrumentedMethod.getParameters().size() < index) { throw new IllegalArgumentException(instrumentedMethod + " does not have a parameter with index " + index); } ParameterDescription parameterDescription = instrumentedMethod.getParameters().get(index); StackManipulation stackManipulation = assigner.assign(parameterDescription.getType(), invokedMethod.getDeclaringType().asGenericType(), typing); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " on " + parameterDescription.getType()); } return new StackManipulation.Compound(MethodVariableAccess.load(parameterDescription), stackManipulation); } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.TargetHandler.ForMethodParameter)) return false; final MethodCall.TargetHandler.ForMethodParameter other = (MethodCall.TargetHandler.ForMethodParameter) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.index != other.index) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.TargetHandler.ForMethodParameter; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.index; return result; } } } /** * An argument loader is responsible for loading an argument for an invoked method * onto the operand stack. */ protected interface ArgumentLoader { /** * Loads the argument that is represented by this instance onto the operand stack. * * @param target The target parameter. * @param assigner The assigner to be used. * @param typing Indicates if dynamic type castings should be attempted for incompatible assignments. * @return The stack manipulation that loads the represented argument onto the stack. */ StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing); /** * A factory that produces {@link ArgumentLoader}s for a given instrumented method. */ interface Factory { /** * Prepares the instrumented type in order to allow the loading of the represented argument. * * @param instrumentedType The instrumented type. * @return The prepared instrumented type. */ InstrumentedType prepare(InstrumentedType instrumentedType); /** * Creates any number of argument loaders for an instrumentation. * * @param instrumentedType The instrumented type. * @param instrumentedMethod The instrumented method. * @param invokedMethod The invoked method. * @return Any number of argument loaders to supply for the method call. */ List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod); } /** * An argument loader that loads the {@code null} value onto the operand stack. */ enum ForNullConstant implements ArgumentLoader, Factory { /** * The singleton instance. */ INSTANCE; @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { if (target.getType().isPrimitive()) { throw new IllegalStateException("Cannot assign null to " + target); } return NullConstant.INSTANCE; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } } /** * An argument loader that assigns the {@code this} reference to a parameter. */ class ForThisReference implements ArgumentLoader { /** * The instrumented type. */ private final TypeDescription instrumentedType; /** * Creates an argument loader that supplies the {@code this} instance as an argument. * * @param instrumentedType The instrumented type. */ protected ForThisReference(TypeDescription instrumentedType) { this.instrumentedType = instrumentedType; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(MethodVariableAccess.loadThis(), assigner.assign(instrumentedType.asGenericType(), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign " + instrumentedType + " to " + target); } return stackManipulation; } /** * A factory for an argument loader that supplies the {@code this} value as an argument. */ protected enum Factory implements ArgumentLoader.Factory { /** * The singleton instance. */ INSTANCE; @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { if (instrumentedMethod.isStatic()) { throw new IllegalStateException(instrumentedMethod + " is static and cannot supply an invoker instance"); } return Collections.<ArgumentLoader>singletonList(new ForThisReference(instrumentedType)); } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForThisReference)) return false; final MethodCall.ArgumentLoader.ForThisReference other = (MethodCall.ArgumentLoader.ForThisReference) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$instrumentedType = this.instrumentedType; final java.lang.Object other$instrumentedType = other.instrumentedType; if (this$instrumentedType == null ? other$instrumentedType != null : !this$instrumentedType.equals(other$instrumentedType)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForThisReference; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $instrumentedType = this.instrumentedType; result = result * PRIME + ($instrumentedType == null ? 43 : $instrumentedType.hashCode()); return result; } } /** * Loads the instrumented type onto the operand stack. */ class ForInstrumentedType implements ArgumentLoader { /** * The instrumented type. */ private final TypeDescription instrumentedType; /** * Creates an argument loader for supporting the instrumented type as a type constant as an argument. * * @param instrumentedType The instrumented type. */ protected ForInstrumentedType(TypeDescription instrumentedType) { this.instrumentedType = instrumentedType; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(ClassConstant.of(instrumentedType), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(Class.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign Class value to " + target); } return stackManipulation; } /** * A factory for an argument loader that supplies the instrumented type as an argument. */ protected enum Factory implements ArgumentLoader.Factory { /** * The singleton instance. */ INSTANCE; @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(new ForInstrumentedType(instrumentedType)); } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForInstrumentedType)) return false; final MethodCall.ArgumentLoader.ForInstrumentedType other = (MethodCall.ArgumentLoader.ForInstrumentedType) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$instrumentedType = this.instrumentedType; final java.lang.Object other$instrumentedType = other.instrumentedType; if (this$instrumentedType == null ? other$instrumentedType != null : !this$instrumentedType.equals(other$instrumentedType)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForInstrumentedType; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $instrumentedType = this.instrumentedType; result = result * PRIME + ($instrumentedType == null ? 43 : $instrumentedType.hashCode()); return result; } } /** * Loads a parameter of the instrumented method onto the operand stack. */ class ForMethodParameter implements ArgumentLoader { /** * The index of the parameter to be loaded onto the operand stack. */ private final int index; /** * The instrumented method. */ private final MethodDescription instrumentedMethod; /** * Creates an argument loader for a parameter of the instrumented method. * * @param index The index of the parameter to be loaded onto the operand stack. * @param instrumentedMethod The instrumented method. */ protected ForMethodParameter(int index, MethodDescription instrumentedMethod) { this.index = index; this.instrumentedMethod = instrumentedMethod; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { ParameterDescription parameterDescription = instrumentedMethod.getParameters().get(index); StackManipulation stackManipulation = new StackManipulation.Compound(MethodVariableAccess.load(parameterDescription), assigner.assign(parameterDescription.getType(), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign " + parameterDescription + " to " + target + " for " + instrumentedMethod); } return stackManipulation; } /** * A factory for argument loaders that supplies all arguments of the instrumented method as arguments. */ protected enum OfInstrumentedMethod implements ArgumentLoader.Factory { /** * The singleton instance. */ INSTANCE; @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { List<ArgumentLoader> argumentLoaders = new ArrayList<ArgumentLoader>(instrumentedMethod.getParameters().size()); for (ParameterDescription parameterDescription : instrumentedMethod.getParameters()) { argumentLoaders.add(new ForMethodParameter(parameterDescription.getIndex(), instrumentedMethod)); } return argumentLoaders; } } /** * A factory for an argument loader that supplies a method parameter as an argument. */ protected static class Factory implements ArgumentLoader.Factory { /** * The index of the parameter to be loaded onto the operand stack. */ private final int index; /** * Creates a factory for an argument loader that supplies a method parameter as an argument. * * @param index The index of the parameter to supply. */ protected Factory(int index) { this.index = index; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { if (index >= instrumentedMethod.getParameters().size()) { throw new IllegalStateException(instrumentedMethod + " does not have a parameter with index " + index); } return Collections.<ArgumentLoader>singletonList(new ForMethodParameter(index, instrumentedMethod)); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForMethodParameter.Factory)) return false; final MethodCall.ArgumentLoader.ForMethodParameter.Factory other = (MethodCall.ArgumentLoader.ForMethodParameter.Factory) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.index != other.index) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForMethodParameter.Factory; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.index; return result; } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForMethodParameter)) return false; final MethodCall.ArgumentLoader.ForMethodParameter other = (MethodCall.ArgumentLoader.ForMethodParameter) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.index != other.index) return false; final java.lang.Object this$instrumentedMethod = this.instrumentedMethod; final java.lang.Object other$instrumentedMethod = other.instrumentedMethod; if (this$instrumentedMethod == null ? other$instrumentedMethod != null : !this$instrumentedMethod.equals(other$instrumentedMethod)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForMethodParameter; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.index; final java.lang.Object $instrumentedMethod = this.instrumentedMethod; result = result * PRIME + ($instrumentedMethod == null ? 43 : $instrumentedMethod.hashCode()); return result; } } /** * Loads a value onto the operand stack that is stored in a static field. */ class ForInstance implements ArgumentLoader { /** * The description of the field. */ private final FieldDescription fieldDescription; /** * Creates an argument loader that supplies the value of a static field as an argument. * * @param fieldDescription The description of the field. */ protected ForInstance(FieldDescription fieldDescription) { this.fieldDescription = fieldDescription; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(FieldAccess.forField(fieldDescription).read(), assigner.assign(fieldDescription.getType(), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign " + fieldDescription.getType() + " to " + target); } return stackManipulation; } /** * A factory that supplies the value of a static field as an argument. */ protected static class Factory implements ArgumentLoader.Factory { /** * The name prefix of the field to store the argument. */ private static final String FIELD_PREFIX = "methodCall"; /** * The value to be stored in the field. */ private final Object value; /** * The name of the field. */ private final String name; /** * Creates a factory that loads the value of a static field as an argument. * * @param value The value to supply as an argument. */ protected Factory(Object value) { this.value = value; name = String.format("%s$%s", FIELD_PREFIX, RandomString.make()); } /** * Creates a factory for loading the supplied value as an argument, either stored as a static field or as a constant pool value. * * @param value The value to supply as an argument. * @return An appropriate factory for an argument loader. */ protected static ArgumentLoader.Factory of(Object value) { if (value == null) { return ForNullConstant.INSTANCE; } else if (value instanceof String) { return new ForTextConstant((String) value); } else if (value instanceof Boolean) { return new ForBooleanConstant((Boolean) value); } else if (value instanceof Byte) { return new ForByteConstant((Byte) value); } else if (value instanceof Short) { return new ForShortConstant((Short) value); } else if (value instanceof Character) { return new ForCharacterConstant((Character) value); } else if (value instanceof Integer) { return new ForIntegerConstant((Integer) value); } else if (value instanceof Long) { return new ForLongConstant((Long) value); } else if (value instanceof Float) { return new ForFloatConstant((Float) value); } else if (value instanceof Double) { return new ForDoubleConstant((Double) value); } else if (value instanceof Class) { return new ForClassConstant(new TypeDescription.ForLoadedType((Class<?>) value)); } else if (JavaType.METHOD_HANDLE.getTypeStub().isInstance(value)) { return new ForJavaConstant(JavaConstant.MethodHandle.ofLoaded(value)); } else if (JavaType.METHOD_TYPE.getTypeStub().isInstance(value)) { return new ForJavaConstant(JavaConstant.MethodType.ofLoaded(value)); } else if (value instanceof Enum<?>) { return new ForEnumerationValue(new EnumerationDescription.ForLoadedEnumeration((Enum<?>) value)); } else { return new ForInstance.Factory(value); } } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType.withField(new FieldDescription.Token(name, Opcodes.ACC_SYNTHETIC | Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC, new TypeDescription.Generic.OfNonGenericType.ForLoadedType(value.getClass()))).withInitializer(new LoadedTypeInitializer.ForStaticField(name, value)); } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(new ForInstance(instrumentedType.getDeclaredFields().filter(ElementMatchers.named(name)).getOnly())); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForInstance.Factory)) return false; final MethodCall.ArgumentLoader.ForInstance.Factory other = (MethodCall.ArgumentLoader.ForInstance.Factory) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$value = this.value; final java.lang.Object other$value = other.value; if (this$value == null ? other$value != null : !this$value.equals(other$value)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForInstance.Factory; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $value = this.value; result = result * PRIME + ($value == null ? 43 : $value.hashCode()); return result; } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForInstance)) return false; final MethodCall.ArgumentLoader.ForInstance other = (MethodCall.ArgumentLoader.ForInstance) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$fieldDescription = this.fieldDescription; final java.lang.Object other$fieldDescription = other.fieldDescription; if (this$fieldDescription == null ? other$fieldDescription != null : !this$fieldDescription.equals(other$fieldDescription)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForInstance; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $fieldDescription = this.fieldDescription; result = result * PRIME + ($fieldDescription == null ? 43 : $fieldDescription.hashCode()); return result; } } /** * Loads the value of an existing field onto the operand stack. */ class ForField implements ArgumentLoader { /** * The field containing the loaded value. */ private final FieldDescription fieldDescription; /** * The instrumented method. */ private final MethodDescription instrumentedMethod; /** * Creates a new argument loader for loading an existing field. * * @param fieldDescription The field containing the loaded value. * @param instrumentedMethod The instrumented method. */ protected ForField(FieldDescription fieldDescription, MethodDescription instrumentedMethod) { this.fieldDescription = fieldDescription; this.instrumentedMethod = instrumentedMethod; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { if (!fieldDescription.isStatic() && instrumentedMethod.isStatic()) { throw new IllegalStateException("Cannot access non-static " + fieldDescription + " from " + instrumentedMethod); } StackManipulation stackManipulation = new StackManipulation.Compound(fieldDescription.isStatic() ? StackManipulation.Trivial.INSTANCE : MethodVariableAccess.loadThis(), FieldAccess.forField(fieldDescription).read(), assigner.assign(fieldDescription.getType(), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign " + fieldDescription + " to " + target); } return stackManipulation; } /** * A factory for an argument loaded that loads the value of an existing field as an argument. */ protected static class Factory implements ArgumentLoader.Factory { /** * The name of the field. */ private final String name; /** * The field locator to use. */ private final FieldLocator.Factory fieldLocatorFactory; /** * Creates a new argument loader for an existing field. * * @param name The name of the field. * @param fieldLocatorFactory The field locator to use. */ protected Factory(String name, FieldLocator.Factory fieldLocatorFactory) { this.name = name; this.fieldLocatorFactory = fieldLocatorFactory; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { FieldLocator.Resolution resolution = fieldLocatorFactory.make(instrumentedType).locate(name); if (!resolution.isResolved()) { throw new IllegalStateException("Could not locate field \'" + name + "\' on " + instrumentedType); } return Collections.<ArgumentLoader>singletonList(new ForField(resolution.getField(), instrumentedMethod)); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForField.Factory)) return false; final MethodCall.ArgumentLoader.ForField.Factory other = (MethodCall.ArgumentLoader.ForField.Factory) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$name = this.name; final java.lang.Object other$name = other.name; if (this$name == null ? other$name != null : !this$name.equals(other$name)) return false; final java.lang.Object this$fieldLocatorFactory = this.fieldLocatorFactory; final java.lang.Object other$fieldLocatorFactory = other.fieldLocatorFactory; if (this$fieldLocatorFactory == null ? other$fieldLocatorFactory != null : !this$fieldLocatorFactory.equals(other$fieldLocatorFactory)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForField.Factory; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $name = this.name; result = result * PRIME + ($name == null ? 43 : $name.hashCode()); final java.lang.Object $fieldLocatorFactory = this.fieldLocatorFactory; result = result * PRIME + ($fieldLocatorFactory == null ? 43 : $fieldLocatorFactory.hashCode()); return result; } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForField)) return false; final MethodCall.ArgumentLoader.ForField other = (MethodCall.ArgumentLoader.ForField) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$fieldDescription = this.fieldDescription; final java.lang.Object other$fieldDescription = other.fieldDescription; if (this$fieldDescription == null ? other$fieldDescription != null : !this$fieldDescription.equals(other$fieldDescription)) return false; final java.lang.Object this$instrumentedMethod = this.instrumentedMethod; final java.lang.Object other$instrumentedMethod = other.instrumentedMethod; if (this$instrumentedMethod == null ? other$instrumentedMethod != null : !this$instrumentedMethod.equals(other$instrumentedMethod)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForField; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $fieldDescription = this.fieldDescription; result = result * PRIME + ($fieldDescription == null ? 43 : $fieldDescription.hashCode()); final java.lang.Object $instrumentedMethod = this.instrumentedMethod; result = result * PRIME + ($instrumentedMethod == null ? 43 : $instrumentedMethod.hashCode()); return result; } } /** * An argument loader that loads an element of a parameter of an array type. */ class ForMethodParameterArray implements ArgumentLoader { /** * The parameter to load the array from. */ private final ParameterDescription parameterDescription; /** * The array index to load. */ private final int index; /** * Creates an argument loader for a parameter of the instrumented method where an array element is assigned to the invoked method. * * @param parameterDescription The parameter from which to load an array element. * @param index The array index to load. */ protected ForMethodParameterArray(ParameterDescription parameterDescription, int index) { this.parameterDescription = parameterDescription; this.index = index; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(MethodVariableAccess.load(parameterDescription), IntegerConstant.forValue(index), ArrayAccess.of(parameterDescription.getType().getComponentType()).load(), assigner.assign(parameterDescription.getType().getComponentType(), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign " + parameterDescription.getType().getComponentType() + " to " + target); } return stackManipulation; } /** * Creates an argument loader for an array element that of a specific parameter. */ protected static class OfParameter implements ArgumentLoader.Factory { /** * The parameter index. */ private final int index; /** * The array index to load. */ private final int arrayIndex; /** * Creates a factory for an argument loader that loads a given parameter's array value. * * @param index The index of the parameter. * @param arrayIndex The array index to load. */ protected OfParameter(int index, int arrayIndex) { this.index = index; this.arrayIndex = arrayIndex; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { if (instrumentedMethod.getParameters().size() <= index) { throw new IllegalStateException(instrumentedMethod + " does not declare a parameter with index " + index); } else if (!instrumentedMethod.getParameters().get(index).getType().isArray()) { throw new IllegalStateException("Cannot access an item from non-array parameter " + instrumentedMethod.getParameters().get(index)); } return Collections.<ArgumentLoader>singletonList(new ForMethodParameterArray(instrumentedMethod.getParameters().get(index), arrayIndex)); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForMethodParameterArray.OfParameter)) return false; final MethodCall.ArgumentLoader.ForMethodParameterArray.OfParameter other = (MethodCall.ArgumentLoader.ForMethodParameterArray.OfParameter) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.index != other.index) return false; if (this.arrayIndex != other.arrayIndex) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForMethodParameterArray.OfParameter; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.index; result = result * PRIME + this.arrayIndex; return result; } } /** * An argument loader factory that loads an array element from a parameter for each argument of the invoked method. */ protected static class OfInvokedMethod implements ArgumentLoader.Factory { /** * The parameter index. */ private final int index; /** * Creates an argument loader factory for an invoked method. * * @param index The parameter index. */ protected OfInvokedMethod(int index) { this.index = index; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { if (instrumentedMethod.getParameters().size() <= index) { throw new IllegalStateException(instrumentedMethod + " does not declare a parameter with index " + index); } else if (!instrumentedMethod.getParameters().get(index).getType().isArray()) { throw new IllegalStateException("Cannot access an item from non-array parameter " + instrumentedMethod.getParameters().get(index)); } List<ArgumentLoader> argumentLoaders = new ArrayList<ArgumentLoader>(instrumentedMethod.getParameters().size()); for (int index = 0; index < invokedMethod.getParameters().size(); index++) { argumentLoaders.add(new ForMethodParameterArray(instrumentedMethod.getParameters().get(this.index), index++)); } return argumentLoaders; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForMethodParameterArray.OfInvokedMethod)) return false; final MethodCall.ArgumentLoader.ForMethodParameterArray.OfInvokedMethod other = (MethodCall.ArgumentLoader.ForMethodParameterArray.OfInvokedMethod) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.index != other.index) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForMethodParameterArray.OfInvokedMethod; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.index; return result; } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForMethodParameterArray)) return false; final MethodCall.ArgumentLoader.ForMethodParameterArray other = (MethodCall.ArgumentLoader.ForMethodParameterArray) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$parameterDescription = this.parameterDescription; final java.lang.Object other$parameterDescription = other.parameterDescription; if (this$parameterDescription == null ? other$parameterDescription != null : !this$parameterDescription.equals(other$parameterDescription)) return false; if (this.index != other.index) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForMethodParameterArray; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $parameterDescription = this.parameterDescription; result = result * PRIME + ($parameterDescription == null ? 43 : $parameterDescription.hashCode()); result = result * PRIME + this.index; return result; } } /** * Loads a {@code boolean} value onto the operand stack. */ class ForBooleanConstant implements ArgumentLoader, Factory { /** * The {@code boolean} value to load onto the operand stack. */ private final boolean value; /** * Creates a new argument loader for a {@code boolean} value. * * @param value The {@code boolean} value to load onto the operand stack. */ protected ForBooleanConstant(boolean value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(IntegerConstant.forValue(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(boolean.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign boolean value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForBooleanConstant)) return false; final MethodCall.ArgumentLoader.ForBooleanConstant other = (MethodCall.ArgumentLoader.ForBooleanConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.value != other.value) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForBooleanConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + (this.value ? 79 : 97); return result; } } /** * Loads a {@code byte} value onto the operand stack. */ class ForByteConstant implements ArgumentLoader, Factory { /** * The {@code boolean} value to load onto the operand stack. */ private final byte value; /** * Creates a new argument loader for a {@code boolean} value. * * @param value The {@code boolean} value to load onto the operand stack. */ protected ForByteConstant(byte value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(IntegerConstant.forValue(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(byte.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign byte value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForByteConstant)) return false; final MethodCall.ArgumentLoader.ForByteConstant other = (MethodCall.ArgumentLoader.ForByteConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.value != other.value) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForByteConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.value; return result; } } /** * Loads a {@code short} value onto the operand stack. */ class ForShortConstant implements ArgumentLoader, Factory { /** * The {@code short} value to load onto the operand stack. */ private final short value; /** * Creates a new argument loader for a {@code short} value. * * @param value The {@code short} value to load onto the operand stack. */ protected ForShortConstant(short value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(IntegerConstant.forValue(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(short.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign short value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForShortConstant)) return false; final MethodCall.ArgumentLoader.ForShortConstant other = (MethodCall.ArgumentLoader.ForShortConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.value != other.value) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForShortConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.value; return result; } } /** * Loads a {@code char} value onto the operand stack. */ class ForCharacterConstant implements ArgumentLoader, Factory { /** * The {@code char} value to load onto the operand stack. */ private final char value; /** * Creates a new argument loader for a {@code char} value. * * @param value The {@code char} value to load onto the operand stack. */ protected ForCharacterConstant(char value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(IntegerConstant.forValue(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(char.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign char value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForCharacterConstant)) return false; final MethodCall.ArgumentLoader.ForCharacterConstant other = (MethodCall.ArgumentLoader.ForCharacterConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.value != other.value) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForCharacterConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.value; return result; } } /** * Loads an {@code int} value onto the operand stack. */ class ForIntegerConstant implements ArgumentLoader, Factory { /** * The {@code int} value to load onto the operand stack. */ private final int value; /** * Creates a new argument loader for a {@code int} value. * * @param value The {@code int} value to load onto the operand stack. */ protected ForIntegerConstant(int value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(IntegerConstant.forValue(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(int.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign integer value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForIntegerConstant)) return false; final MethodCall.ArgumentLoader.ForIntegerConstant other = (MethodCall.ArgumentLoader.ForIntegerConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.value != other.value) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForIntegerConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + this.value; return result; } } /** * Loads a {@code long} value onto the operand stack. */ class ForLongConstant implements ArgumentLoader, Factory { /** * The {@code long} value to load onto the operand stack. */ private final long value; /** * Creates a new argument loader for a {@code long} value. * * @param value The {@code long} value to load onto the operand stack. */ protected ForLongConstant(long value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(LongConstant.forValue(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(long.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign long value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForLongConstant)) return false; final MethodCall.ArgumentLoader.ForLongConstant other = (MethodCall.ArgumentLoader.ForLongConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; if (this.value != other.value) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForLongConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final long $value = this.value; result = result * PRIME + (int) ($value >>> 32 ^ $value); return result; } } /** * Loads a {@code float} value onto the operand stack. */ class ForFloatConstant implements ArgumentLoader, Factory { /** * The {@code float} value to load onto the operand stack. */ private final float value; /** * Creates a new argument loader for a {@code float} value. * * @param value The {@code float} value to load onto the operand stack. */ protected ForFloatConstant(float value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(FloatConstant.forValue(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(float.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign float value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForFloatConstant)) return false; final MethodCall.ArgumentLoader.ForFloatConstant other = (MethodCall.ArgumentLoader.ForFloatConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; if (java.lang.Float.compare(this.value, other.value) != 0) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForFloatConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; result = result * PRIME + java.lang.Float.floatToIntBits(this.value); return result; } } /** * Loads a {@code double} value onto the operand stack. */ class ForDoubleConstant implements ArgumentLoader, Factory { /** * The {@code double} value to load onto the operand stack. */ private final double value; /** * Creates a new argument loader for a {@code double} value. * * @param value The {@code double} value to load onto the operand stack. */ protected ForDoubleConstant(double value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(DoubleConstant.forValue(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(double.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign double value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForDoubleConstant)) return false; final MethodCall.ArgumentLoader.ForDoubleConstant other = (MethodCall.ArgumentLoader.ForDoubleConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; if (java.lang.Double.compare(this.value, other.value) != 0) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForDoubleConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final long $value = java.lang.Double.doubleToLongBits(this.value); result = result * PRIME + (int) ($value >>> 32 ^ $value); return result; } } /** * Loads a {@link java.lang.String} value onto the operand stack. */ class ForTextConstant implements ArgumentLoader, Factory { /** * The {@link java.lang.String} value to load onto the operand stack. */ private final String value; /** * Creates a new argument loader for a {@link java.lang.String} value. * * @param value The {@link java.lang.String} value to load onto the operand stack. */ protected ForTextConstant(String value) { this.value = value; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(new TextConstant(value), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(String.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign String value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForTextConstant)) return false; final MethodCall.ArgumentLoader.ForTextConstant other = (MethodCall.ArgumentLoader.ForTextConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$value = this.value; final java.lang.Object other$value = other.value; if (this$value == null ? other$value != null : !this$value.equals(other$value)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForTextConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $value = this.value; result = result * PRIME + ($value == null ? 43 : $value.hashCode()); return result; } } /** * Loads a {@link java.lang.Class} value onto the operand stack. */ class ForClassConstant implements ArgumentLoader, Factory { /** * The type to load onto the operand stack. */ private final TypeDescription typeDescription; /** * Creates a new class constant representation. * * @param typeDescription The type to represent. */ protected ForClassConstant(TypeDescription typeDescription) { this.typeDescription = typeDescription; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(ClassConstant.of(typeDescription), assigner.assign(new TypeDescription.Generic.OfNonGenericType.ForLoadedType(Class.class), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign class value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForClassConstant)) return false; final MethodCall.ArgumentLoader.ForClassConstant other = (MethodCall.ArgumentLoader.ForClassConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$typeDescription = this.typeDescription; final java.lang.Object other$typeDescription = other.typeDescription; if (this$typeDescription == null ? other$typeDescription != null : !this$typeDescription.equals(other$typeDescription)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForClassConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $typeDescription = this.typeDescription; result = result * PRIME + ($typeDescription == null ? 43 : $typeDescription.hashCode()); return result; } } /** * An argument loader that loads an enumeration constant. */ class ForEnumerationValue implements ArgumentLoader, Factory { /** * The enumeration to describe. */ private final EnumerationDescription enumerationDescription; /** * Creates a new argument loader for an enumeration constant. * * @param enumerationDescription The enumeration to describe. */ protected ForEnumerationValue(EnumerationDescription enumerationDescription) { this.enumerationDescription = enumerationDescription; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(FieldAccess.forEnumeration(enumerationDescription), assigner.assign(enumerationDescription.getEnumerationType().asGenericType(), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign " + enumerationDescription.getEnumerationType() + " value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForEnumerationValue)) return false; final MethodCall.ArgumentLoader.ForEnumerationValue other = (MethodCall.ArgumentLoader.ForEnumerationValue) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$enumerationDescription = this.enumerationDescription; final java.lang.Object other$enumerationDescription = other.enumerationDescription; if (this$enumerationDescription == null ? other$enumerationDescription != null : !this$enumerationDescription.equals(other$enumerationDescription)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForEnumerationValue; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $enumerationDescription = this.enumerationDescription; result = result * PRIME + ($enumerationDescription == null ? 43 : $enumerationDescription.hashCode()); return result; } } /** * Loads a Java instance onto the operand stack. */ class ForJavaConstant implements ArgumentLoader, Factory { /** * The Java instance to load onto the operand stack. */ private final JavaConstant javaConstant; /** * Creates a new argument loader for a Java instance. * * @param javaConstant The Java instance to load as an argument. */ public ForJavaConstant(JavaConstant javaConstant) { this.javaConstant = javaConstant; } @Override public StackManipulation resolve(ParameterDescription target, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = new StackManipulation.Compound(javaConstant.asStackManipulation(), assigner.assign(javaConstant.getType().asGenericType(), target.getType(), typing)); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot assign Class value to " + target); } return stackManipulation; } @Override public InstrumentedType prepare(InstrumentedType instrumentedType) { return instrumentedType; } @Override public List<ArgumentLoader> make(TypeDescription instrumentedType, MethodDescription instrumentedMethod, MethodDescription invokedMethod) { return Collections.<ArgumentLoader>singletonList(this); } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.ArgumentLoader.ForJavaConstant)) return false; final MethodCall.ArgumentLoader.ForJavaConstant other = (MethodCall.ArgumentLoader.ForJavaConstant) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$javaConstant = this.javaConstant; final java.lang.Object other$javaConstant = other.javaConstant; if (this$javaConstant == null ? other$javaConstant != null : !this$javaConstant.equals(other$javaConstant)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.ArgumentLoader.ForJavaConstant; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $javaConstant = this.javaConstant; result = result * PRIME + ($javaConstant == null ? 43 : $javaConstant.hashCode()); return result; } } } /** * A method invoker is responsible for creating a method invocation that is to be applied by a * {@link MethodCall}. */ protected interface MethodInvoker { /** * Invokes the method. * * @param invokedMethod The method to be invoked. * @param implementationTarget The implementation target of the instrumented instance. * @return A stack manipulation that represents the method invocation. */ StackManipulation invoke(MethodDescription invokedMethod, Target implementationTarget); /** * Applies a contextual invocation of the provided method, i.e. a static invocation for static methods, * a special invocation for constructors and private methods and a virtual invocation for any other method. */ enum ForContextualInvocation implements MethodInvoker { /** * The singleton instance. */ INSTANCE; @Override public StackManipulation invoke(MethodDescription invokedMethod, Target implementationTarget) { if (invokedMethod.isVirtual() && !invokedMethod.isInvokableOn(implementationTarget.getInstrumentedType())) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " on " + implementationTarget.getInstrumentedType()); } else if (!invokedMethod.isVisibleTo(implementationTarget.getInstrumentedType())) { throw new IllegalStateException(invokedMethod + " is not visible to " + implementationTarget.getInstrumentedType()); } return invokedMethod.isVirtual() ? MethodInvocation.invoke(invokedMethod).virtual(implementationTarget.getInstrumentedType()) : MethodInvocation.invoke(invokedMethod); } } /** * Applies a virtual invocation on a given type. */ class ForVirtualInvocation implements MethodInvoker { /** * The type description to virtually invoke the method upon. */ private final TypeDescription typeDescription; /** * Creates a new method invoking for a virtual method invocation. * * @param typeDescription The type description to virtually invoke the method upon. */ protected ForVirtualInvocation(TypeDescription typeDescription) { this.typeDescription = typeDescription; } /** * Creates a new method invoking for a virtual method invocation. * * @param type The type to virtually invoke the method upon. */ protected ForVirtualInvocation(Class<?> type) { this(new TypeDescription.ForLoadedType(type)); } @Override public StackManipulation invoke(MethodDescription invokedMethod, Target implementationTarget) { if (!invokedMethod.isVirtual()) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " virtually"); } else if (!invokedMethod.isInvokableOn(typeDescription.asErasure())) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " on " + typeDescription); } else if (!typeDescription.asErasure().isAccessibleTo(implementationTarget.getInstrumentedType())) { throw new IllegalStateException(typeDescription + " is not accessible to " + implementationTarget.getInstrumentedType()); } return MethodInvocation.invoke(invokedMethod).virtual(typeDescription.asErasure()); } /** * A method invoker for a virtual method that uses an implicit target type. */ public enum WithImplicitType implements MethodInvoker { /** * The singleton instance. */ INSTANCE; @Override public StackManipulation invoke(MethodDescription invokedMethod, Target implementationTarget) { if (!invokedMethod.isVirtual()) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " virtually"); } return MethodInvocation.invoke(invokedMethod); } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall.MethodInvoker.ForVirtualInvocation)) return false; final MethodCall.MethodInvoker.ForVirtualInvocation other = (MethodCall.MethodInvoker.ForVirtualInvocation) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$typeDescription = this.typeDescription; final java.lang.Object other$typeDescription = other.typeDescription; if (this$typeDescription == null ? other$typeDescription != null : !this$typeDescription.equals(other$typeDescription)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall.MethodInvoker.ForVirtualInvocation; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $typeDescription = this.typeDescription; result = result * PRIME + ($typeDescription == null ? 43 : $typeDescription.hashCode()); return result; } } /** * Applies a super method invocation of the provided method. */ enum ForSuperMethodInvocation implements MethodInvoker { /** * The singleton instance. */ INSTANCE; @Override public StackManipulation invoke(MethodDescription invokedMethod, Target implementationTarget) { if (implementationTarget.getInstrumentedType().getSuperClass() == null) { throw new IllegalStateException("Cannot invoke super method for " + implementationTarget.getInstrumentedType()); } else if (!invokedMethod.isInvokableOn(implementationTarget.getOriginType().asErasure())) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " as super method of " + implementationTarget.getInstrumentedType()); } StackManipulation stackManipulation = implementationTarget.invokeDominant(invokedMethod.asSignatureToken()); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " as a super method"); } return stackManipulation; } } /** * Invokes a method as a Java 8 default method. */ enum ForDefaultMethodInvocation implements MethodInvoker { /** * The singleton instance. */ INSTANCE; @Override public StackManipulation invoke(MethodDescription invokedMethod, Target implementationTarget) { if (!invokedMethod.isInvokableOn(implementationTarget.getInstrumentedType())) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " as default method of " + implementationTarget.getInstrumentedType()); } StackManipulation stackManipulation = implementationTarget.invokeDefault(invokedMethod.asSignatureToken(), invokedMethod.getDeclaringType().asErasure()); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot invoke " + invokedMethod + " on " + implementationTarget.getInstrumentedType()); } return stackManipulation; } } } /** * A termination handler is responsible to handle the return value of a method that is invoked via a * {@link MethodCall}. */ protected enum TerminationHandler { /** * A termination handler that returns the invoked method's return value. */ RETURNING { @Override public StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, Assigner assigner, Assigner.Typing typing) { StackManipulation stackManipulation = assigner.assign(invokedMethod.isConstructor() ? invokedMethod.getDeclaringType().asGenericType() : invokedMethod.getReturnType(), instrumentedMethod.getReturnType(), typing); if (!stackManipulation.isValid()) { throw new IllegalStateException("Cannot return " + invokedMethod.getReturnType() + " from " + instrumentedMethod); } return new StackManipulation.Compound(stackManipulation, MethodReturn.of(instrumentedMethod.getReturnType())); } }, /** * A termination handler that drops the invoked method's return value. */ DROPPING { @Override protected StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, Assigner assigner, Assigner.Typing typing) { return Removal.of(invokedMethod.isConstructor() ? invokedMethod.getDeclaringType() : invokedMethod.getReturnType()); } }; /** * Returns a stack manipulation that handles the method return. * * @param invokedMethod The method that was invoked by the method call. * @param instrumentedMethod The method being intercepted. * @param assigner The assigner to be used. * @param typing Indicates if dynamic type castings should be attempted for incompatible assignments. * @return A stack manipulation that handles the method return. */ protected abstract StackManipulation resolve(MethodDescription invokedMethod, MethodDescription instrumentedMethod, Assigner assigner, Assigner.Typing typing); } /** * Represents a {@link MethodCall} that invokes a method without specifying * an invocation method. Some methods can for example be invoked both virtually or as a super method invocation. * Similarly, interface methods can be invoked virtually or as an explicit invocation of a default method. If * no explicit invocation type is set, a method is always invoked virtually unless the method * represents a static methods or a constructor. */ public static class WithoutSpecifiedTarget extends MethodCall { /** * Creates a new method call without a specified target. * * @param methodLocator The method locator to use. */ protected WithoutSpecifiedTarget(MethodLocator methodLocator) { super(methodLocator, TargetHandler.ForSelfOrStaticInvocation.INSTANCE, Collections.<ArgumentLoader.Factory>emptyList(), MethodInvoker.ForContextualInvocation.INSTANCE, TerminationHandler.RETURNING, Assigner.DEFAULT, Assigner.Typing.STATIC); } /** * Invokes the specified method on the given instance. * * @param target The object on which the method is to be invoked upon. * @return A method call that invokes the provided method on the given object. */ @SuppressWarnings("unchecked") public MethodCall on(Object target) { return on(target, (Class) target.getClass()); } /** * Invokes the specified method on the given instance. * * @param target The object on which the method is to be invoked upon. * @param type The object's type. * @param <T> The type of the object. * @return A method call that invokes the provided method on the given object. */ public <T> MethodCall on(T target, Class<? super T> type) { return new MethodCall(methodLocator, new TargetHandler.ForValue(target, new TypeDescription.Generic.OfNonGenericType.ForLoadedType(type)), argumentLoaders, new MethodInvoker.ForVirtualInvocation(type), terminationHandler, assigner, typing); } /** * Invokes the specified method on the instrumented method's argument of the given index. * * @param index The index of the method's argument on which the specified method should be invoked. * @return Amethod call that invokes the provided method on the given method argument. */ public MethodCall onArgument(int index) { if (index < 0) { throw new IllegalArgumentException("An argument index cannot be negative: " + index); } return new MethodCall(methodLocator, new TargetHandler.ForMethodParameter(index), argumentLoaders, MethodInvoker.ForVirtualInvocation.WithImplicitType.INSTANCE, terminationHandler, assigner, typing); } /** * Invokes a method on the object stored in the specified field. * * @param name The name of the field. * @return A method call that invokes the given method on an instance that is read from a field. */ public MethodCall onField(String name) { return onField(name, FieldLocator.ForClassHierarchy.Factory.INSTANCE); } /** * Invokes a method on the object stored in the specified field. * * @param name The name of the field. * @param fieldLocatorFactory The field locator factory to use for locating the field. * @return A method call that invokes the given method on an instance that is read from a field. */ public MethodCall onField(String name, FieldLocator.Factory fieldLocatorFactory) { return new MethodCall(methodLocator, new TargetHandler.ForField(name, fieldLocatorFactory), argumentLoaders, MethodInvoker.ForVirtualInvocation.WithImplicitType.INSTANCE, terminationHandler, assigner, typing); } /** * Invokes the given method by a super method invocation on the instance of the instrumented type. * Note that the super method is resolved depending on the type of implementation when this method is called. * In case that a subclass is created, the super type is invoked. If a type is rebased, the rebased method * is invoked if such a method exists. * * @return A method call where the given method is invoked as a super method invocation. */ public MethodCall onSuper() { return new MethodCall(methodLocator, TargetHandler.ForSelfOrStaticInvocation.INSTANCE, argumentLoaders, MethodInvoker.ForSuperMethodInvocation.INSTANCE, terminationHandler, assigner, typing); } /** * Invokes the given method by a Java 8default method invocation on the instance of the instrumented type. * * @return A method call where the given method is invoked as a super method invocation. */ public MethodCall onDefault() { return new MethodCall(methodLocator, TargetHandler.ForSelfOrStaticInvocation.INSTANCE, argumentLoaders, MethodInvoker.ForDefaultMethodInvocation.INSTANCE, terminationHandler, assigner, typing); } } /** * The appender being used to implement a {@link MethodCall}. */ protected class Appender implements ByteCodeAppender { /** * The implementation target of the current implementation. */ private final Target implementationTarget; /** * Creates a new appender. * * @param implementationTarget The implementation target of the current implementation. */ protected Appender(Target implementationTarget) { this.implementationTarget = implementationTarget; } @Override public Size apply(MethodVisitor methodVisitor, Context implementationContext, MethodDescription instrumentedMethod) { MethodDescription invokedMethod = methodLocator.resolve(implementationTarget.getInstrumentedType(), instrumentedMethod); List<ArgumentLoader> argumentLoaders = new ArrayList<ArgumentLoader>(MethodCall.this.argumentLoaders.size()); for (ArgumentLoader.Factory argumentLoader : MethodCall.this.argumentLoaders) { argumentLoaders.addAll(argumentLoader.make(implementationTarget.getInstrumentedType(), instrumentedMethod, invokedMethod)); } ParameterList<?> parameters = invokedMethod.getParameters(); Iterator<? extends ParameterDescription> parameterIterator = parameters.iterator(); if (parameters.size() != argumentLoaders.size()) { throw new IllegalStateException(invokedMethod + " does not take " + argumentLoaders.size() + " arguments"); } List<StackManipulation> argumentInstructions = new ArrayList<StackManipulation>(argumentLoaders.size()); for (ArgumentLoader argumentLoader : argumentLoaders) { argumentInstructions.add(argumentLoader.resolve(parameterIterator.next(), assigner, typing)); } StackManipulation.Size size = new StackManipulation.Compound(targetHandler.resolve(invokedMethod, instrumentedMethod, implementationTarget.getInstrumentedType(), assigner, typing), new StackManipulation.Compound(argumentInstructions), methodInvoker.invoke(invokedMethod, implementationTarget), terminationHandler.resolve(invokedMethod, instrumentedMethod, assigner, typing)).apply(methodVisitor, implementationContext); return new Size(size.getMaximalSize(), instrumentedMethod.getStackSize()); } /** * Returns the outer instance. * * @return The outer instance. */ private MethodCall getOuter() { return MethodCall.this; } // HE: Remove when Lombok support for getOuter is added. @Override public boolean equals(Object other) { if (this == other) return true; if (other == null || getClass() != other.getClass()) return false; Appender appender = (Appender) other; return implementationTarget.equals(appender.implementationTarget) && MethodCall.this.equals(appender.getOuter()); } // HE: Remove when Lombok support for getOuter is added. @Override public int hashCode() { return implementationTarget.hashCode() + 31 * MethodCall.this.hashCode(); } } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public boolean equals(final java.lang.Object o) { if (o == this) return true; if (!(o instanceof MethodCall)) return false; final MethodCall other = (MethodCall) o; if (!other.canEqual((java.lang.Object) this)) return false; final java.lang.Object this$methodLocator = this.methodLocator; final java.lang.Object other$methodLocator = other.methodLocator; if (this$methodLocator == null ? other$methodLocator != null : !this$methodLocator.equals(other$methodLocator)) return false; final java.lang.Object this$targetHandler = this.targetHandler; final java.lang.Object other$targetHandler = other.targetHandler; if (this$targetHandler == null ? other$targetHandler != null : !this$targetHandler.equals(other$targetHandler)) return false; final java.lang.Object this$argumentLoaders = this.argumentLoaders; final java.lang.Object other$argumentLoaders = other.argumentLoaders; if (this$argumentLoaders == null ? other$argumentLoaders != null : !this$argumentLoaders.equals(other$argumentLoaders)) return false; final java.lang.Object this$methodInvoker = this.methodInvoker; final java.lang.Object other$methodInvoker = other.methodInvoker; if (this$methodInvoker == null ? other$methodInvoker != null : !this$methodInvoker.equals(other$methodInvoker)) return false; final java.lang.Object this$terminationHandler = this.terminationHandler; final java.lang.Object other$terminationHandler = other.terminationHandler; if (this$terminationHandler == null ? other$terminationHandler != null : !this$terminationHandler.equals(other$terminationHandler)) return false; final java.lang.Object this$assigner = this.assigner; final java.lang.Object other$assigner = other.assigner; if (this$assigner == null ? other$assigner != null : !this$assigner.equals(other$assigner)) return false; final java.lang.Object this$typing = this.typing; final java.lang.Object other$typing = other.typing; if (this$typing == null ? other$typing != null : !this$typing.equals(other$typing)) return false; return true; } @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") protected boolean canEqual(final java.lang.Object other) { return other instanceof MethodCall; } @java.lang.Override @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") public int hashCode() { final int PRIME = 59; int result = 1; final java.lang.Object $methodLocator = this.methodLocator; result = result * PRIME + ($methodLocator == null ? 43 : $methodLocator.hashCode()); final java.lang.Object $targetHandler = this.targetHandler; result = result * PRIME + ($targetHandler == null ? 43 : $targetHandler.hashCode()); final java.lang.Object $argumentLoaders = this.argumentLoaders; result = result * PRIME + ($argumentLoaders == null ? 43 : $argumentLoaders.hashCode()); final java.lang.Object $methodInvoker = this.methodInvoker; result = result * PRIME + ($methodInvoker == null ? 43 : $methodInvoker.hashCode()); final java.lang.Object $terminationHandler = this.terminationHandler; result = result * PRIME + ($terminationHandler == null ? 43 : $terminationHandler.hashCode()); final java.lang.Object $assigner = this.assigner; result = result * PRIME + ($assigner == null ? 43 : $assigner.hashCode()); final java.lang.Object $typing = this.typing; result = result * PRIME + ($typing == null ? 43 : $typing.hashCode()); return result; } }