/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.capedwarf.aspects.proxy;
import java.lang.annotation.Annotation;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public final class AspectContext {
private AspectInfo info;
private AspectWrapper[] aspects;
private int index;
public AspectContext(AspectInfo info) {
this.info = info;
this.aspects = AspectRegistry.findAspects(info);
}
public Object proceed() throws Throwable {
if (index == aspects.length) {
final Method method = info.getMethod();
try {
return method.invoke(info.getApiImpl(), info.getParams());
} catch (InvocationTargetException e) {
throw e.getCause(); // we need to throw the cause
}
} else {
return aspects[index++].invoke(this);
}
}
public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
return annotationClass.cast(aspects[index - 1].getAnnotation());
}
public AspectInfo getInfo() {
return info;
}
}