/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ee.component.interceptors;
import static org.jboss.as.ee.EeMessages.MESSAGES;
import java.lang.reflect.Method;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
/**
* @author Stuart Douglas
*/
public class ComponentDispatcherInterceptor implements Interceptor {
private final Method componentMethod;
public ComponentDispatcherInterceptor(final Method componentMethod) {
this.componentMethod = componentMethod;
}
public Object processInvocation(final InterceptorContext context) throws Exception {
ComponentInstance componentInstance = context.getPrivateData(ComponentInstance.class);
if (componentInstance == null) {
throw MESSAGES.noComponentInstance();
}
Method oldMethod = context.getMethod();
try {
context.setMethod(componentMethod);
context.setTarget(componentInstance.getInstance());
return componentInstance.getInterceptor(componentMethod).processInvocation(context);
} finally {
context.setMethod(oldMethod);
context.setTarget(null);
}
}
}