/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cocoon.portal.pluto.services.factory;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortalContext;
import javax.portlet.PortletConfig;
import javax.portlet.PortletContext;
import javax.portlet.PortletPreferences;
import javax.portlet.PortletSession;
import javax.portlet.PortletURL;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.servlet.ServletConfig;
import org.apache.avalon.framework.activity.Disposable;
import org.apache.avalon.framework.activity.Initializable;
import org.apache.avalon.framework.container.ContainerUtil;
import org.apache.avalon.framework.context.Context;
import org.apache.avalon.framework.context.ContextException;
import org.apache.avalon.framework.context.Contextualizable;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;
import org.apache.cocoon.portal.pluto.factory.ActionRequestFactoryImpl;
import org.apache.cocoon.portal.pluto.factory.ControllerFactoryImpl;
import org.apache.cocoon.portal.pluto.factory.ObjectIDFactoryImpl;
import org.apache.cocoon.portal.pluto.factory.PortletInvokerFactoryImpl;
import org.apache.cocoon.portal.pluto.factory.PortletPreferencesFactoryImpl;
import org.apache.cocoon.portal.pluto.factory.RenderRequestFactoryImpl;
import org.apache.cocoon.servlet.CocoonServlet;
import org.apache.pluto.factory.Factory;
import org.apache.pluto.factory.ObjectIDFactory;
import org.apache.pluto.factory.impl.ActionResponseFactoryImpl;
import org.apache.pluto.factory.impl.PortalContextFactoryImpl;
import org.apache.pluto.factory.impl.PortletConfigFactoryImpl;
import org.apache.pluto.factory.impl.PortletContextFactoryImpl;
import org.apache.pluto.factory.impl.PortletSessionFactoryImpl;
import org.apache.pluto.factory.impl.PortletURLFactoryImpl;
import org.apache.pluto.factory.impl.RenderResponseFactoryImpl;
import org.apache.pluto.invoker.PortletInvoker;
import org.apache.pluto.om.ControllerFactory;
import org.apache.pluto.services.factory.FactoryManagerService;
import org.apache.pluto.util.NamespaceMapper;
import org.apache.pluto.util.impl.NamespaceMapperFactoryImpl;
/**
* Manages the life-time of factories registered during container startup.
* A service has to derive from {@link Factory} and implement the
* <CODE>init()</CODE> and <CODE>destroy()</CODE> methods as appropriate.
*
* TODO This is a very lazy implementation, we need to improve it
*
* @see Factory
* @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
*
* @version CVS $Id$
*/
public class FactoryManagerServiceImpl
extends AbstractLogEnabled
implements FactoryManagerService, Initializable, Contextualizable, Serviceable, Disposable {
/** The servlet configuration */
protected ServletConfig servletConfig;
/** The avalon context */
protected Context context;
/** The service manager */
protected ServiceManager manager;
/* (non-Javadoc)
* @see org.apache.avalon.framework.context.Contextualizable#contextualize(org.apache.avalon.framework.context.Context)
*/
public void contextualize(Context context) throws ContextException {
this.context = context;
this.servletConfig = (ServletConfig) context.get(CocoonServlet.CONTEXT_SERVLET_CONFIG);
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager)
*/
public void service(ServiceManager manager) throws ServiceException {
this.manager = manager;
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.activity.Initializable#initialize()
*/
public void initialize()
throws Exception {
final Map factories = new HashMap();
factories.put(ActionRequest.class.getName(), ActionRequestFactoryImpl.class.getName());
factories.put(RenderRequest.class.getName(), RenderRequestFactoryImpl.class.getName());
factories.put(RenderResponse.class.getName(), RenderResponseFactoryImpl.class.getName());
factories.put(PortletSession.class.getName(), PortletSessionFactoryImpl.class.getName());
factories.put(PortletConfig.class.getName(), PortletConfigFactoryImpl.class.getName());
factories.put(PortletContext.class.getName(), PortletContextFactoryImpl.class.getName());
factories.put(PortletPreferences.class.getName(), PortletPreferencesFactoryImpl.class.getName());
factories.put(PortalContext.class.getName(), PortalContextFactoryImpl.class.getName());
factories.put(ActionResponse.class.getName(), ActionResponseFactoryImpl.class.getName());
factories.put(PortletURL.class.getName(), PortletURLFactoryImpl.class.getName());
factories.put(PortletPreferences.class.getName(), PortletPreferencesFactoryImpl.class.getName());
factories.put(PortletInvoker.class.getName(), PortletInvokerFactoryImpl.class.getName());
factories.put(NamespaceMapper.class.getName(), NamespaceMapperFactoryImpl.class.getName());
factories.put(ObjectIDFactory.class.getName(), ObjectIDFactoryImpl.class.getName());
factories.put(ControllerFactory.class.getName(), ControllerFactoryImpl.class.getName());
for (Iterator iter = factories.entrySet().iterator(); iter.hasNext (); ) {
Map.Entry me = (Map.Entry)iter.next();
String factoryInterfaceName = (String)me.getKey();
// try to get hold of the factory
Class factoryInterface;
factoryInterface = Class.forName (factoryInterfaceName);
String factoryImplName = (String)me.getValue();
Class factoryImpl = Class.forName (factoryImplName);
Factory factory = (Factory) factoryImpl.newInstance ();
ContainerUtil.enableLogging(factory, this.getLogger());
ContainerUtil.contextualize(factory, this.context);
ContainerUtil.service(factory, this.manager);
ContainerUtil.initialize(factory);
factory.init(this.servletConfig, new HashMap());
factoryMap.put (factoryInterface.getName(), factory);
// build up list in reverse order for later destruction
factoryList.add (0, factory);
}
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.activity.Disposable#dispose()
*/
public void dispose() {
// destroy the services in reverse order
for (Iterator iterator = factoryList.iterator (); iterator.hasNext (); ) {
Factory factory = (Factory) iterator.next ();
try {
factory.destroy ();
} catch (Exception exc) {
// ignore it
}
}
factoryList.clear();
factoryMap.clear();
}
/**
** Returns the service implementation for the given service class, or
** <CODE>null</CODE> if no such service is registered.
**
** @param theClass the service class
**
** @return the service implementation
**/
public Factory getFactory (Class theClass) {
// at this state the services map is read-only,
// therefore we can go without synchronization
return ((Factory) factoryMap.get (theClass.getName()));
}
private Map factoryMap = new HashMap();
private List factoryList = new ArrayList();
}