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* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.weld.tests.extensions.annotatedType;
import org.jboss.weld.tests.extensions.annotatedType.EcoFriendlyWashingMachine.EcoFriendlyWashingMachineLiteral;
import org.jboss.weld.util.collections.Arrays2;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AnnotatedCallable;
import javax.enterprise.inject.spi.AnnotatedConstructor;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedParameter;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeforeBeanDiscovery;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ProcessAnnotatedType;
import javax.inject.Inject;
import java.lang.annotation.Annotation;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class AnnotatedTypeExtension implements Extension {
public void addTumbleDryer(@Observes BeforeBeanDiscovery beforeBeanDiscovery) {
final Set<AnnotatedConstructor<TumbleDryer>> constructors = new HashSet<AnnotatedConstructor<TumbleDryer>>();
final Set<AnnotatedField<? super TumbleDryer>> fields = new HashSet<AnnotatedField<? super TumbleDryer>>();
final Set<AnnotatedMethod<? super TumbleDryer>> methods = new HashSet<AnnotatedMethod<? super TumbleDryer>>();
final AnnotatedType<TumbleDryer> tumbleDryer = new AnnotatedType<TumbleDryer>() {
public Set<AnnotatedConstructor<TumbleDryer>> getConstructors() {
return constructors;
}
public Set<AnnotatedField<? super TumbleDryer>> getFields() {
return fields;
}
public Set<AnnotatedMethod<? super TumbleDryer>> getMethods() {
return methods;
}
// Now the easy stuff
public Class<TumbleDryer> getJavaClass() {
return TumbleDryer.class;
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
if (annotationType.equals(Marker.class)) {
return (T) MarkerLiteral.INSTANCE;
} else {
return null;
}
}
public Set<Annotation> getAnnotations() {
return Collections.<Annotation>singleton(MarkerLiteral.INSTANCE);
}
public Type getBaseType() {
return TumbleDryer.class;
}
public Set<Type> getTypeClosure() {
return Arrays2.<Type>asSet(TumbleDryer.class, Object.class);
}
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
if (annotationType.equals(Marker.class)) {
return true;
} else {
return false;
}
}
};
AnnotatedField<TumbleDryer> plug = new AnnotatedField<TumbleDryer>() {
public Field getJavaMember() {
try {
return TumbleDryer.class.getDeclaredField("plug");
} catch (NoSuchFieldException e) {
throw new RuntimeException(e);
}
}
public boolean isStatic() {
return false;
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
if (annotationType.equals(Inject.class)) {
return annotationType.cast(InjectLiteral.INSTANCE);
} else if (annotationType.equals(Special.class)) {
return annotationType.cast(SpecialLiteral.INSTANCE);
} else {
return null;
}
}
public Set<Annotation> getAnnotations() {
return Arrays2.asSet(InjectLiteral.INSTANCE, SpecialLiteral.INSTANCE);
}
public Type getBaseType() {
return Plug.class;
}
public Set<Type> getTypeClosure() {
return Arrays2.<Type>asSet(Plug.class, Object.class);
}
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
if (annotationType.equals(Inject.class) || annotationType.equals(Special.class)) {
return true;
} else {
return false;
}
}
public AnnotatedType<TumbleDryer> getDeclaringType() {
return tumbleDryer;
}
};
fields.add(plug);
final List<AnnotatedParameter<TumbleDryer>> runningTimeParameters = new ArrayList<AnnotatedParameter<TumbleDryer>>();
final AnnotatedMethod<TumbleDryer> runningTimeMethod = new AnnotatedMethod<TumbleDryer>() {
public Method getJavaMember() {
try {
return TumbleDryer.class.getDeclaredMethod("setRunningTime", RunningTime.class);
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
public List<AnnotatedParameter<TumbleDryer>> getParameters() {
return runningTimeParameters;
}
public AnnotatedType<TumbleDryer> getDeclaringType() {
return tumbleDryer;
}
public boolean isStatic() {
return false;
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
if (annotationType.equals(Inject.class)) {
return annotationType.cast(InjectLiteral.INSTANCE);
} else {
return null;
}
}
public Set<Annotation> getAnnotations() {
return Collections.<Annotation>singleton(InjectLiteral.INSTANCE);
}
public Type getBaseType() {
return TumbleDryer.class;
}
public Set<Type> getTypeClosure() {
return Arrays2.<Type>asSet(TumbleDryer.class, Object.class);
}
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
if (annotationType.equals(Inject.class)) {
return true;
} else {
return false;
}
}
};
methods.add(runningTimeMethod);
final AnnotatedParameter<TumbleDryer> runningTimeParameter = new AnnotatedParameter<TumbleDryer>() {
public AnnotatedCallable<TumbleDryer> getDeclaringCallable() {
return runningTimeMethod;
}
public int getPosition() {
return 0;
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
if (annotationType.equals(Special.class)) {
return annotationType.cast(SpecialLiteral.INSTANCE);
} else {
return null;
}
}
public Set<Annotation> getAnnotations() {
return Collections.<Annotation>singleton(SpecialLiteral.INSTANCE);
}
public Type getBaseType() {
return RunningTime.class;
}
public Set<Type> getTypeClosure() {
return Collections.<Type>singleton(RunningTime.class);
}
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
if (annotationType.equals(Special.class)) {
return true;
} else {
return false;
}
}
};
runningTimeParameters.add(runningTimeParameter);
final List<AnnotatedParameter<TumbleDryer>> clothesParameters = new ArrayList<AnnotatedParameter<TumbleDryer>>();
final AnnotatedConstructor<TumbleDryer> clothesConstructor = new AnnotatedConstructor<TumbleDryer>() {
public Constructor<TumbleDryer> getJavaMember() {
try {
return TumbleDryer.class.getDeclaredConstructor(Clothes.class);
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
public List<AnnotatedParameter<TumbleDryer>> getParameters() {
return clothesParameters;
}
public AnnotatedType<TumbleDryer> getDeclaringType() {
return tumbleDryer;
}
public boolean isStatic() {
return false;
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
if (annotationType.equals(Inject.class)) {
return annotationType.cast(InjectLiteral.INSTANCE);
} else {
return null;
}
}
public Set<Annotation> getAnnotations() {
return Collections.<Annotation>singleton(InjectLiteral.INSTANCE);
}
public Type getBaseType() {
return TumbleDryer.class;
}
public Set<Type> getTypeClosure() {
return Arrays2.<Type>asSet(TumbleDryer.class, Object.class);
}
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
if (annotationType.equals(Inject.class)) {
return true;
} else {
return false;
}
}
};
constructors.add(clothesConstructor);
AnnotatedParameter<TumbleDryer> clothesParameter = new AnnotatedParameter<TumbleDryer>() {
public AnnotatedCallable<TumbleDryer> getDeclaringCallable() {
return clothesConstructor;
}
public int getPosition() {
return 0;
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
if (annotationType.equals(Special.class)) {
return annotationType.cast(SpecialLiteral.INSTANCE);
} else {
return null;
}
}
public Set<Annotation> getAnnotations() {
return Collections.<Annotation>singleton(SpecialLiteral.INSTANCE);
}
public Type getBaseType() {
return Clothes.class;
}
public Set<Type> getTypeClosure() {
return Arrays2.<Type>asSet(Clothes.class, Object.class);
}
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
if (annotationType.equals(Special.class)) {
return true;
} else {
return false;
}
}
};
clothesParameters.add(clothesParameter);
beforeBeanDiscovery.addAnnotatedType(tumbleDryer);
}
/**
* Adds an eco friendly wasing machine
*
* @param beforeBeanDiscovery
*/
public void addWashingMachine(@Observes BeforeBeanDiscovery beforeBeanDiscovery) {
final Set<AnnotatedConstructor<WashingMachine>> constructors = new HashSet<AnnotatedConstructor<WashingMachine>>();
final AnnotatedType<WashingMachine> type = new AnnotatedType<WashingMachine>() {
public Set<AnnotatedConstructor<WashingMachine>> getConstructors() {
return constructors;
}
public Set<AnnotatedField<? super WashingMachine>> getFields() {
return Collections.emptySet();
}
public Class<WashingMachine> getJavaClass() {
return WashingMachine.class;
}
public Set<AnnotatedMethod<? super WashingMachine>> getMethods() {
return Collections.emptySet();
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
if (annotationType == EcoFriendlyWashingMachine.class) {
return annotationType.cast(EcoFriendlyWashingMachineLiteral.INSTANCE);
}
return null;
}
public Set<Annotation> getAnnotations() {
return Collections.<Annotation>singleton(EcoFriendlyWashingMachineLiteral.INSTANCE);
}
public Type getBaseType() {
return WashingMachine.class;
}
public Set<Type> getTypeClosure() {
return Arrays2.<Type>asSet(WashingMachine.class, Object.class);
}
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
return annotationType == EcoFriendlyWashingMachine.class;
}
};
final AnnotatedConstructor<WashingMachine> constructor = new AnnotatedConstructor<WashingMachine>() {
public Constructor<WashingMachine> getJavaMember() {
try {
return WashingMachine.class.getDeclaredConstructor();
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
public List<AnnotatedParameter<WashingMachine>> getParameters() {
return Collections.emptyList();
}
public AnnotatedType<WashingMachine> getDeclaringType() {
return type;
}
public boolean isStatic() {
return false;
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
return null;
}
public Set<Annotation> getAnnotations() {
return Collections.emptySet();
}
public Type getBaseType() {
return WashingMachine.class;
}
public Set<Type> getTypeClosure() {
return Arrays2.<Type>asSet(WashingMachine.class, Object.class);
}
public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {
return false;
}
};
constructors.add(constructor);
beforeBeanDiscovery.addAnnotatedType(type);
}
public void vetoOriginalTumbleDryer(@Observes ProcessAnnotatedType<TumbleDryer> event) {
if (!event.getAnnotatedType().isAnnotationPresent(Marker.class)) {
event.veto();
}
}
}