/*
* Copyright © 2011-2012 Philipp Eichhorn
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.eclipse.handlers.ast;
import static lombok.ast.AST.*;
import static lombok.eclipse.Eclipse.toQualifiedName;
import static lombok.eclipse.handlers.EclipseHandlerUtil.*;
import static org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.*;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration;
import org.eclipse.jdt.internal.compiler.ast.MemberValuePair;
import org.eclipse.jdt.internal.compiler.ast.NormalAnnotation;
import org.eclipse.jdt.internal.compiler.ast.SingleMemberAnnotation;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.ast.TypeParameter;
import org.eclipse.jdt.internal.compiler.ast.TypeReference;
import lombok.ast.IType;
import lombok.core.AST.Kind;
import lombok.core.AnnotationValues;
import lombok.core.util.As;
import lombok.core.util.Cast;
import lombok.core.util.Each;
import lombok.core.util.Is;
import lombok.eclipse.EclipseNode;
import lombok.eclipse.handlers.Eclipse;
import lombok.eclipse.handlers.EclipseHandlerUtil.MemberExistsResult;
public final class EclipseType implements lombok.ast.IType<EclipseMethod, EclipseField, EclipseNode, ASTNode, TypeDeclaration, AbstractMethodDeclaration> {
private final EclipseNode typeNode;
private final ASTNode source;
private final EclipseTypeEditor editor;
private EclipseType(final EclipseNode typeNode, final ASTNode source) {
if (!(typeNode.get() instanceof TypeDeclaration)) {
throw new IllegalArgumentException();
}
this.typeNode = typeNode;
this.source = source;
editor = new EclipseTypeEditor(this, source);
}
public EclipseTypeEditor editor() {
return editor;
}
public boolean isInterface() {
return (get().modifiers & AccInterface) != 0;
}
public boolean isEnum() {
return (get().modifiers & AccEnum) != 0;
}
public boolean isAnnotation() {
return (get().modifiers & AccAnnotation) != 0;
}
public boolean isClass() {
return !isInterface() && !isEnum() && !isAnnotation();
}
public boolean hasSuperClass() {
return get().superclass != null;
}
public <T extends lombok.ast.IType<?, ?, ?, ?, ?, ?>> T memberType(final String typeName) {
for (EclipseNode child : node().down()) {
if (child.getKind() != Kind.TYPE) continue;
if (child.getName().equals(typeName)) {
return Cast.<T> uncheckedCast(EclipseType.typeOf(child, source));
}
}
throw new IllegalArgumentException();
}
public <T extends IType<?, ?, ?, ?, ?, ?>> T surroundingType() {
final EclipseNode parent = node().directUp();
if (parent == null) return null;
return Cast.<T> uncheckedCast(EclipseType.typeOf(parent, source));
}
public List<EclipseMethod> methods() {
List<EclipseMethod> methods = new ArrayList<EclipseMethod>();
for (EclipseNode child : node().down()) {
if (child.getKind() != Kind.METHOD) continue;
methods.add(EclipseMethod.methodOf(child, source));
}
return methods;
}
public List<EclipseField> fields() {
List<EclipseField> fields = new ArrayList<EclipseField>();
for (EclipseNode child : node().down()) {
if (child.getKind() != Kind.FIELD) continue;
final EclipseField field = EclipseField.fieldOf(child, source);
if (field.ignore()) continue;
fields.add(field);
}
return fields;
}
public boolean hasMultiArgumentConstructor() {
for (AbstractMethodDeclaration def : Each.elementIn(get().methods)) {
if ((def instanceof ConstructorDeclaration) && Is.notEmpty(def.arguments)) return true;
}
return false;
}
public TypeDeclaration get() {
return (TypeDeclaration) typeNode.get();
}
public EclipseNode node() {
return typeNode;
}
public <A extends java.lang.annotation.Annotation> AnnotationValues<A> getAnnotationValue(final Class<A> expectedType) {
final EclipseNode node = getAnnotation(expectedType);
return node == null ? AnnotationValues.of(expectedType, node()) : createAnnotation(expectedType, node);
}
public EclipseNode getAnnotation(final Class<? extends java.lang.annotation.Annotation> expectedType) {
return getAnnotation(expectedType.getName());
}
public EclipseNode getAnnotation(final String typeName) {
EclipseNode annotationNode = null;
for (EclipseNode child : node().down()) {
if (child.getKind() != Kind.ANNOTATION) continue;
if (Eclipse.matchesType((Annotation) child.get(), typeName)) {
annotationNode = child;
}
}
return annotationNode;
}
public String name() {
return node().getName();
}
public String qualifiedName() {
StringBuilder qualifiedName = new StringBuilder(name());
for (IType<?, ?, ?, ?, ?, ?> surroundingType = surroundingType(); surroundingType != null; surroundingType = surroundingType.surroundingType()) {
qualifiedName.insert(0, surroundingType.name() + "$");
}
CompilationUnitDeclaration cud = (CompilationUnitDeclaration) node().top().get();
if (cud.currentPackage != null) qualifiedName.insert(0, toQualifiedName(cud.currentPackage.tokens) + ".");
return qualifiedName.toString();
}
public List<lombok.ast.TypeRef> typeArguments() {
final List<lombok.ast.TypeRef> typeArguments = new ArrayList<lombok.ast.TypeRef>();
for (TypeParameter typaram : Each.elementIn(get().typeParameters)) {
typeArguments.add(Type(As.string(typaram.name)));
}
return typeArguments;
}
public List<lombok.ast.TypeParam> typeParameters() {
final List<lombok.ast.TypeParam> typeParameters = new ArrayList<lombok.ast.TypeParam>();
for (TypeParameter typaram : Each.elementIn(get().typeParameters)) {
lombok.ast.TypeParam typeParameter = TypeParam(As.string(typaram.name)).posHint(typaram);
if (typaram.type != null) typeParameter.withBound(Type(typaram.type));
for (TypeReference bound : Each.elementIn(typaram.bounds)) {
typeParameter.withBound(Type(bound));
}
typeParameters.add(typeParameter);
}
return typeParameters;
}
public List<lombok.ast.Annotation> annotations() {
return annotations(get().annotations);
}
private List<lombok.ast.Annotation> annotations(final Annotation[] anns) {
final List<lombok.ast.Annotation> annotations = new ArrayList<lombok.ast.Annotation>();
for (Annotation annotation : Each.elementIn(anns)) {
lombok.ast.Annotation ann = Annotation(Type(annotation.type)).posHint(annotation);
if (annotation instanceof SingleMemberAnnotation) {
ann.withValue(Expr(((SingleMemberAnnotation) annotation).memberValue));
} else if (annotation instanceof NormalAnnotation) {
for (MemberValuePair pair : Each.elementIn(((NormalAnnotation) annotation).memberValuePairs)) {
ann.withValue(As.string(pair.name), Expr(pair.value)).posHint(pair);
}
}
annotations.add(ann);
}
return annotations;
}
public boolean hasField(final String fieldName) {
return (fieldExists(fieldName, typeNode) != MemberExistsResult.NOT_EXISTS);
}
public boolean hasMethod(final String methodName, final lombok.ast.TypeRef... argumentTypes) {
// TODO check actual types..
return (methodExists(methodName, typeNode, false, argumentTypes == null ? 0 : argumentTypes.length) != MemberExistsResult.NOT_EXISTS);
}
@Override
public String toString() {
return get().toString();
}
public static EclipseType typeOf(final EclipseNode node, final ASTNode source) {
EclipseNode typeNode = Eclipse.typeNodeOf(node);
return typeNode == null ? null : new EclipseType(typeNode, source);
}
}