/*
* 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 java.lang.reflect.Method;
import javax.ejb.Init;
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.creator.ProcessorUtils;
import org.jboss.metadata.annotation.finder.AnnotationFinder;
import org.jboss.metadata.ejb.spec.InitMethodMetaData;
import org.jboss.metadata.ejb.spec.InitMethodsMetaData;
import org.jboss.metadata.ejb.spec.MethodParametersMetaData;
import org.jboss.metadata.ejb.spec.NamedMethodMetaData;
import org.jboss.metadata.ejb.spec.SessionBeanMetaData;
import org.jboss.metadata.ejb.spec.SessionType;
/**
* Process an init annotation.
*
* @author <a href="mailto:carlo.dewolf@jboss.com">Carlo de Wolf</a>
* @author Scott.Stark@jboss.org
* @version $Revision: 67275 $
*/
public class InitProcessor extends AbstractFinderUser implements Creator<Method, InitMethodMetaData>, Processor<SessionBeanMetaData, Method>
{
public InitProcessor(AnnotationFinder<AnnotatedElement> finder)
{
super(finder);
}
public InitMethodMetaData create(Method method)
{
Init init = finder.getAnnotation(method, Init.class);
if(init == null)
return null;
InitMethodMetaData metaData = new InitMethodMetaData();
NamedMethodMetaData beanMethod = new NamedMethodMetaData();
metaData.setBeanMethod(beanMethod);
NamedMethodMetaData createMethod = new NamedMethodMetaData();
metaData.setCreateMethod(createMethod);
String alternativeName = init.value().length() > 0 ? init.value() : method.getName();
// Is the init declared on the home interface?
if(method.getDeclaringClass().isInterface())
{
beanMethod.setMethodName(alternativeName);
createMethod.setMethodName(method.getName());
}
else
{
beanMethod.setMethodName(method.getName());
createMethod.setMethodName(alternativeName);
}
MethodParametersMetaData methodParams = ProcessorUtils.getMethodParameters(method);
beanMethod.setMethodParams(methodParams);
createMethod.setMethodParams(methodParams);
return metaData;
}
public void process(SessionBeanMetaData bean, Method method)
{
InitMethodMetaData initMethod = create(method);
if(initMethod == null)
return;
if(bean.getSessionType() != SessionType.Stateful)
throw new IllegalArgumentException("Init annotation is only valid on a stateful bean");
if(bean.getInitMethods() == null)
bean.setInitMethods(new InitMethodsMetaData());
bean.getInitMethods().add(initMethod);
}
}