Package org.jboss.metadata.annotation.creator.ejb

Source Code of org.jboss.metadata.annotation.creator.ejb.ApplicationExceptionProcessor

/*
* JBoss, Home of Professional Open Source
* Copyright 2007, Red Hat Middleware LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.metadata.annotation.creator.ejb;

import java.lang.reflect.AnnotatedElement;

import javax.ejb.ApplicationException;

import org.jboss.metadata.annotation.creator.AbstractFinderUser;
import org.jboss.metadata.annotation.creator.Creator;
import org.jboss.metadata.annotation.creator.Processor;
import org.jboss.metadata.annotation.finder.AnnotationFinder;
import org.jboss.metadata.ejb.spec.ApplicationExceptionMetaData;
import org.jboss.metadata.ejb.spec.ApplicationExceptionsMetaData;
import org.jboss.metadata.ejb.spec.AssemblyDescriptorMetaData;
import org.jboss.metadata.ejb.spec.EjbJar3xMetaData;

/**
* Process an application exception annotation.
*
* @author <a href="mailto:carlo.dewolf@jboss.com">Carlo de Wolf</a>
* @version $Revision: 67165 $
*/
public class ApplicationExceptionProcessor extends AbstractFinderUser implements Creator<Class<?>, ApplicationExceptionMetaData>, Processor<EjbJar3xMetaData, Class<?>>
{
   protected ApplicationExceptionProcessor(AnnotationFinder<AnnotatedElement> finder)
   {
      super(finder);
   }

   public ApplicationExceptionMetaData create(Class<?> element)
   {
      ApplicationException annotation = finder.getAnnotation(element, ApplicationException.class);
      if(annotation == null)
         return null;
     
      if(!Exception.class.isAssignableFrom(element))
         throw new IllegalArgumentException("ApplicationException is only valid on an Exception");
     
      ApplicationExceptionMetaData metaData = new ApplicationExceptionMetaData();
      metaData.setExceptionClass(element.getName());
      metaData.setRollback(annotation.rollback());
     
      return metaData;
   }

   public void process(EjbJar3xMetaData ejbJar, Class<?> type)
   {
      ApplicationExceptionMetaData applicationException = create(type);
      if(applicationException == null)
         return;
     
      if(ejbJar.getAssemblyDescriptor() == null)
         ejbJar.setAssemblyDescriptor(new AssemblyDescriptorMetaData());
      if(ejbJar.getAssemblyDescriptor().getApplicationExceptions() == null)
         ejbJar.getAssemblyDescriptor().setApplicationExceptions(new ApplicationExceptionsMetaData());
     
      ejbJar.getAssemblyDescriptor().getApplicationExceptions().add(applicationException);
   }
}
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