/* * JBoss, Home of Professional Open Source * Copyright 2016, 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.bootstrap.events.configurator; import java.lang.annotation.Annotation; import java.util.List; import java.util.Map; import java.util.Set; import java.util.function.Function; 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.configurator.AnnotatedTypeConfigurator; import org.jboss.weld.util.annotated.ForwardingAnnotatedConstructor; import org.jboss.weld.util.annotated.ForwardingAnnotatedField; import org.jboss.weld.util.annotated.ForwardingAnnotatedMethod; import org.jboss.weld.util.annotated.ForwardingAnnotatedParameter; import org.jboss.weld.util.annotated.ForwardingAnnotatedType; import org.jboss.weld.util.collections.ImmutableList; import org.jboss.weld.util.collections.ImmutableMap; import org.jboss.weld.util.collections.ImmutableSet; /** * * @author Martin Kouba * * @param <T> */ class AnnotatedTypeBuilderImpl<T> { private final AnnotatedTypeConfiguratorImpl<T> configurator; /** * * @param configurator */ public AnnotatedTypeBuilderImpl(AnnotatedTypeConfiguratorImpl<T> configurator) { this.configurator = configurator; } public AnnotatedTypeConfigurator<T> configure() { return configurator; } public AnnotatedType<T> build() { return new AnnotatedTypeImpl<T>(configurator); } /** * * @author Martin Kouba * * @param <X> */ static class AnnotatedTypeImpl<X> extends ForwardingAnnotatedType<X> { private final Annotations annotations; private final AnnotatedType<X> delegate; private final Set<AnnotatedMethod<? super X>> methods; private final Set<AnnotatedField<? super X>> fields; private final Set<AnnotatedConstructor<X>> constructors; public AnnotatedTypeImpl(AnnotatedTypeConfiguratorImpl<X> configurator) { this.delegate = configurator.getAnnotated(); this.annotations = new Annotations(configurator); this.methods = configurator.getMethods().stream().map(m -> new AnnotatedMethodImpl<>(m)).collect(ImmutableSet.collector()); this.fields = configurator.getFields().stream().map(f -> new AnnotatedFieldImpl<>(f)).collect(ImmutableSet.collector()); this.constructors = configurator.getConstructors().stream().map(c -> new AnnotatedConstructorImpl<>(c)).collect(ImmutableSet.collector()); } @Override public AnnotatedType<X> delegate() { return delegate; } @Override public <A extends Annotation> A getAnnotation(Class<A> annotationType) { return annotations.getAnnotation(annotationType); } @Override public Set<Annotation> getAnnotations() { return annotations.get(); } @Override public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { return annotations.isAnnotationPresent(annotationType); } @Override public Set<AnnotatedMethod<? super X>> getMethods() { return methods; } @Override public Set<AnnotatedField<? super X>> getFields() { return fields; } @Override public Set<AnnotatedConstructor<X>> getConstructors() { return constructors; } } static class AnnotatedMethodImpl<X> extends ForwardingAnnotatedMethod<X> { private final Annotations annotations; private final AnnotatedMethod<X> delegate; private final List<AnnotatedParameter<X>> parameters; AnnotatedMethodImpl(AnnotatedMethodConfiguratorImpl<X> configurator) { this.delegate = configurator.getAnnotated(); this.annotations = new Annotations(configurator); this.parameters = configurator.getParams().stream().map((c) -> new AnnotatedParameterImpl<X>(c)).collect(ImmutableList.collector()); } @Override public AnnotatedMethod<X> delegate() { return delegate; } @Override public List<AnnotatedParameter<X>> getParameters() { return parameters; } @Override public <A extends Annotation> A getAnnotation(Class<A> annotationType) { return annotations.getAnnotation(annotationType); } @Override public Set<Annotation> getAnnotations() { return annotations.get(); } @Override public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { return annotations.isAnnotationPresent(annotationType); } } static class AnnotatedFieldImpl<X> extends ForwardingAnnotatedField<X> { private final Annotations annotations; private final AnnotatedField<X> delegate; AnnotatedFieldImpl(AnnotatedFieldConfiguratorImpl<X> configurator) { this.delegate = configurator.getAnnotated(); this.annotations = new Annotations(configurator); } @Override public AnnotatedField<X> delegate() { return delegate; } @Override public <A extends Annotation> A getAnnotation(Class<A> annotationType) { return annotations.getAnnotation(annotationType); } @Override public Set<Annotation> getAnnotations() { return annotations.get(); } @Override public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { return annotations.isAnnotationPresent(annotationType); } } static class AnnotatedConstructorImpl<X> extends ForwardingAnnotatedConstructor<X> { private final Annotations annotations; private final AnnotatedConstructor<X> delegate; private final List<AnnotatedParameter<X>> parameters; AnnotatedConstructorImpl(AnnotatedConstructorConfiguratorImpl<X> configurator) { this.delegate = configurator.getAnnotated(); this.annotations = new Annotations(configurator); this.parameters = configurator.getParams().stream().map((c) -> new AnnotatedParameterImpl<X>(c)).collect(ImmutableList.collector()); } @Override public AnnotatedConstructor<X> delegate() { return delegate; } @Override public List<AnnotatedParameter<X>> getParameters() { return parameters; } @Override public <A extends Annotation> A getAnnotation(Class<A> annotationType) { return annotations.getAnnotation(annotationType); } @Override public Set<Annotation> getAnnotations() { return annotations.get(); } @Override public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { return annotations.isAnnotationPresent(annotationType); } } static class AnnotatedParameterImpl<X> extends ForwardingAnnotatedParameter<X> { private final Annotations annotations; private final AnnotatedParameter<X> delegate; public AnnotatedParameterImpl(AnnotatedParameterConfiguratorImpl<X> configurator) { this.delegate = configurator.getAnnotated(); this.annotations = new Annotations(configurator); } @Override protected AnnotatedParameter<X> delegate() { return delegate; } @Override public <A extends Annotation> A getAnnotation(Class<A> annotationType) { return annotations.getAnnotation(annotationType); } @Override public Set<Annotation> getAnnotations() { return annotations.get(); } @Override public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { return annotations.isAnnotationPresent(annotationType); } } private static class Annotations { private final Set<Annotation> annotations; private final Map<Class<? extends Annotation>, Annotation> annotationsMap; private Annotations(AnnotatedConfigurator<?, ?, ?> configurator) { this.annotations = ImmutableSet.copyOf(configurator.getAnnotations()); this.annotationsMap = this.annotations.stream().collect(ImmutableMap.collector((a) -> a.annotationType(), Function.identity())); } Set<Annotation> get() { return annotations; } boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { return annotationsMap.containsKey(annotationType); } @SuppressWarnings("unchecked") <A extends Annotation> A getAnnotation(Class<A> annotationType) { return (A) annotationsMap.get(annotationType); } } }