/*
* JBoss, Home of Professional Open Source
* Copyright 2013, 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.interceptor.proxy;
import static org.jboss.weld.interceptor.spi.model.InterceptionType.AROUND_INVOKE;
import static org.jboss.weld.interceptor.spi.model.InterceptionType.AROUND_TIMEOUT;
import static org.jboss.weld.interceptor.spi.model.InterceptionType.POST_ACTIVATE;
import static org.jboss.weld.interceptor.spi.model.InterceptionType.POST_CONSTRUCT;
import static org.jboss.weld.interceptor.spi.model.InterceptionType.PRE_DESTROY;
import static org.jboss.weld.interceptor.spi.model.InterceptionType.PRE_PASSIVATE;
import static org.jboss.weld.util.collections.WeldCollections.immutableMap;
import static org.jboss.weld.util.reflection.Reflections.cast;
import java.io.ObjectStreamException;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import javax.enterprise.context.spi.CreationalContext;
import org.jboss.weld.annotated.slim.SlimAnnotatedType;
import org.jboss.weld.interceptor.spi.metadata.InterceptorClassMetadata;
import org.jboss.weld.interceptor.spi.model.InterceptionModel;
import org.jboss.weld.interceptor.spi.model.InterceptionType;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.util.collections.ImmutableSet;
/**
* Holds interceptor metadata and interceptor instances throughout the lifecycle of the intercepted instance.
*
* @author Jozef Hartinger
*
*/
public class InterceptionContext implements Serializable {
private static final Set<InterceptionType> CONSTRUCTOR_INTERCEPTION_TYPES = ImmutableSet.of(InterceptionType.AROUND_CONSTRUCT);
private static final Set<InterceptionType> METHOD_INTERCEPTION_TYPES = ImmutableSet.of(AROUND_INVOKE, AROUND_TIMEOUT, POST_CONSTRUCT, PRE_DESTROY, POST_ACTIVATE, PRE_PASSIVATE);
public static InterceptionContext forConstructorInterception(InterceptionModel interceptionModel, CreationalContext<?> ctx, BeanManagerImpl manager, SlimAnnotatedType<?> type) {
return of(interceptionModel, ctx, manager, CONSTRUCTOR_INTERCEPTION_TYPES, type);
}
public static InterceptionContext forNonConstructorInterception(InterceptionModel interceptionModel, CreationalContext<?> ctx, BeanManagerImpl manager, SlimAnnotatedType<?> type) {
return of(interceptionModel, ctx, manager, METHOD_INTERCEPTION_TYPES, type);
}
private static InterceptionContext of(InterceptionModel interceptionModel, CreationalContext<?> ctx, BeanManagerImpl manager, Set<InterceptionType> interceptionTypes, SlimAnnotatedType<?> type) {
return new InterceptionContext(initInterceptorInstanceMap(interceptionModel, ctx, manager, interceptionTypes), manager, interceptionModel, type);
}
private static final long serialVersionUID = 7500722360133273633L;
private final transient InterceptionModel interceptionModel;
private final Map<Class<?>, Object> interceptorInstances;
private final BeanManagerImpl manager;
private final SlimAnnotatedType<?> annotatedType;
private InterceptionContext(Map<Class<?>, Object> interceptorInstances, BeanManagerImpl manager, InterceptionModel interceptionModel, SlimAnnotatedType<?> type) {
this.interceptorInstances = interceptorInstances;
this.manager = manager;
this.interceptionModel = interceptionModel;
this.annotatedType = type;
}
private static Map<Class<?>, Object> initInterceptorInstanceMap(InterceptionModel model, CreationalContext ctx, BeanManagerImpl manager, Set<InterceptionType> interceptionTypes) {
Map<Class<?>, Object> interceptorInstances = new HashMap<Class<?>, Object>();
for (InterceptorClassMetadata<?> interceptor : model.getAllInterceptors()) {
for (InterceptionType interceptionType : interceptionTypes) {
if (interceptor.isEligible(interceptionType)) {
interceptorInstances.put(interceptor.getJavaClass(), interceptor.getInterceptorFactory().create(ctx, manager));
}
}
}
return immutableMap(interceptorInstances);
}
public InterceptionModel getInterceptionModel() {
return interceptionModel;
}
public <T> T getInterceptorInstance(InterceptorClassMetadata<T> interceptorMetadata) {
return cast(interceptorInstances.get(interceptorMetadata.getJavaClass()));
}
private Object readResolve() throws ObjectStreamException {
InterceptionModel interceptionModel = manager.getInterceptorModelRegistry().get(annotatedType);
return new InterceptionContext(interceptorInstances, manager, interceptionModel, annotatedType);
}
}