/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.ejb3.component.interceptors;
import java.util.Collections;
import java.util.List;
import java.util.ListIterator;
import org.jboss.as.server.deployment.SetupAction;
import org.jboss.invocation.ImmediateInterceptorFactory;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
/**
* Interceptor that performs additional setup for remote and timer invocations (i.e invocations that are performed
* from outside an existing EE context).
*
* @author Stuart Douglas
*/
public class AdditionalSetupInterceptor implements Interceptor {
private final List<SetupAction> actions;
public AdditionalSetupInterceptor(final List<SetupAction> actions) {
this.actions = actions;
}
@Override
public Object processInvocation(final InterceptorContext context) throws Exception {
try {
for (SetupAction action : actions) {
action.setup(Collections.<String, Object>emptyMap());
}
return context.proceed();
} finally {
final ListIterator<SetupAction> iterator = actions.listIterator(actions.size());
Throwable error = null;
while (iterator.hasPrevious()) {
SetupAction action = iterator.previous();
try {
action.teardown(Collections.<String, Object>emptyMap());
} catch (Throwable e) {
error = e;
}
}
if (error != null) {
throw new RuntimeException(error);
}
}
}
public static InterceptorFactory factory(final List<SetupAction> actions) {
final AdditionalSetupInterceptor interceptor = new AdditionalSetupInterceptor(actions);
return new ImmediateInterceptorFactory(interceptor);
}
}