/**
* EasyBeans
* Copyright (C) 2006-2007 Bull S.A.S.
* Contact: easybeans@ow2.org
*
* This library 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 any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* --------------------------------------------------------------------------
* $Id: SessionBeanInterface.java 5369 2010-02-24 14:58:19Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.deployment.annotations.helper.bean.session;
import static org.ow2.easybeans.asm.Opcodes.ACC_PUBLIC;
import static org.ow2.easybeans.deployment.annotations.helper.ResolverHelper.getAllInterfacesFromClass;
import static org.ow2.easybeans.deployment.annotations.helper.ResolverHelper.getMethod;
import java.util.List;
import org.ow2.easybeans.deployment.metadata.ejbjar.EasyBeansEjbJarClassMetadata;
import org.ow2.easybeans.deployment.metadata.ejbjar.EasyBeansEjbJarMethodMetadata;
import org.ow2.util.ee.metadata.common.impl.struct.JAnnotationResource;
import org.ow2.util.scan.api.metadata.structures.JMethod;
/**
* This class analyze interfaces of the session bean. If the session bean
* implements javax.ejb.SessionBean interface, add lifecycle callbacks and add
* resource injection for setSessionContext method.
* @author Florent Benoit
*/
public final class SessionBeanInterface {
/**
* SessionBean interface.
*/
private static final String SESSION_BEAN_INTERFACE = "javax/ejb/SessionBean";
/**
* setSessionContext() method.
*/
private static final JMethod SETSESSIONCONTEXT_METHOD = new JMethod(ACC_PUBLIC, "setSessionContext",
"(Ljavax/ejb/SessionContext;)V", null, new String[] {"javax/ejb/EJBException", "java/rmi/RemoteException"});
/**
* ejbRemove() method.
*/
private static final JMethod EJBREMOVE_METHOD = new JMethod(ACC_PUBLIC, "ejbRemove",
"()V", null, new String[] {"javax/ejb/EJBException", "java/rmi/RemoteException"});
/**
* ejbActivate() method.
*/
private static final JMethod EJBACTIVATE_METHOD = new JMethod(ACC_PUBLIC, "ejbActivate",
"()V", null, new String[] {"javax/ejb/EJBException", "java/rmi/RemoteException"});
/**
* ejbPassivate() method.
*/
private static final JMethod EJBPASSIVATE_METHOD = new JMethod(ACC_PUBLIC, "ejbPassivate",
"()V", null, new String[] {"javax/ejb/EJBException", "java/rmi/RemoteException"});
/**
* Helper class, no public constructor.
*/
private SessionBeanInterface() {
}
/**
* Try to see if bean implements javax.ejb.SessionBean interface.
* @param sessionBean Session bean to analyze
*/
public static void resolve(final EasyBeansEjbJarClassMetadata sessionBean) {
// Make a list of interfaces
List<String> allInterfaces = getAllInterfacesFromClass(sessionBean);
// if SESSION_BEAN_INTERFACE is contained in the list, add some metadata
if (allInterfaces.contains(SESSION_BEAN_INTERFACE)) {
// first add dependency injection for setSessionContext method.
JAnnotationResource jAnnotationResource = new JAnnotationResource();
// add resource on setSessionContext method
EasyBeansEjbJarMethodMetadata setCtxMethod = getMethod(sessionBean, SETSESSIONCONTEXT_METHOD, false,
SESSION_BEAN_INTERFACE);
setCtxMethod.setJAnnotationResource(jAnnotationResource);
// ejbRemove() method
EasyBeansEjbJarMethodMetadata ejbRemoveMethod = getMethod(sessionBean, EJBREMOVE_METHOD, true, SESSION_BEAN_INTERFACE);
ejbRemoveMethod.setPreDestroy(true);
if (!sessionBean.getPreDestroyMethodsMetadata().contains(ejbRemoveMethod)) {
sessionBean.addPreDestroyMethodMetadata(ejbRemoveMethod);
}
// ejbActivate() method
EasyBeansEjbJarMethodMetadata ejbActivateMethod = getMethod(sessionBean, EJBACTIVATE_METHOD, true, SESSION_BEAN_INTERFACE);
ejbRemoveMethod.setPostActivate(true);
if (!sessionBean.getPostActivateMethodsMetadata().contains(ejbActivateMethod)) {
sessionBean.addPostActivateMethodMetadata(ejbActivateMethod);
}
// ejbPassivate() method
EasyBeansEjbJarMethodMetadata ejbPassivateMethod = getMethod(sessionBean, EJBPASSIVATE_METHOD, true,
SESSION_BEAN_INTERFACE);
ejbRemoveMethod.setPrePassivate(true);
if (!sessionBean.getPrePassivateMethodsMetadata().contains(ejbPassivateMethod)) {
sessionBean.addPrePassivateMethodMetadata(ejbPassivateMethod);
}
}
}
}