/*
* Copyright 2004,2004 The Apache Software Foundation.
*
* Licensed 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;
import javax.servlet.http.HttpServletRequest;
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.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;
import org.apache.cocoon.components.ContextHelper;
import org.apache.cocoon.portal.pluto.om.PortletDefinitionRegistry;
import org.apache.pluto.services.PortletContainerEnvironment;
import org.apache.pluto.services.information.DynamicInformationProvider;
import org.apache.pluto.services.information.InformationProviderService;
import org.apache.pluto.services.information.StaticInformationProvider;
/**
* Our own information provider service
*
* @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
*
* @version CVS $Id: InformationProviderServiceImpl.java,v 1.2 2004/03/05 13:02:14 bdelacretaz Exp $
*/
public class InformationProviderServiceImpl
implements InformationProviderService, PortletContainerEnabled, Serviceable, Contextualizable {
/** The service manager */
protected ServiceManager manager;
/** The portlet container environment */
protected PortletContainerEnvironmentImpl portletContainerEnvironment;
/** The static information provider (thread safe) */
protected StaticInformationProvider staticProvider;
/** The portal context provider (thread safe) */
protected PortalContextProviderImpl provider;
/** The component context */
protected Context context;
final static protected String dynamicProviderRole= InformationProviderServiceImpl.class.getName();
/* (non-Javadoc)
* @see org.apache.cocoon.portal.pluto.PortletContainerEnabled#setPortletContainerEnvironment(org.apache.pluto.services.PortletContainerEnvironment)
*/
public void setPortletContainerEnvironment(PortletContainerEnvironment env) {
this.portletContainerEnvironment = (PortletContainerEnvironmentImpl)env;
}
/* (non-Javadoc)
* @see org.apache.pluto.services.information.InformationProviderService#getStaticProvider()
*/
public StaticInformationProvider getStaticProvider() {
if ( this.staticProvider == null ) {
this.staticProvider = new StaticInformationProviderImpl(this.getPortalContextProvider(),
(PortletDefinitionRegistry)this.portletContainerEnvironment.getContainerService(PortletDefinitionRegistry.class));
}
return this.staticProvider;
}
/* (non-Javadoc)
* @see org.apache.pluto.services.information.InformationProviderService#getDynamicProvider(javax.servlet.http.HttpServletRequest)
*/
public DynamicInformationProvider getDynamicProvider(HttpServletRequest request) {
DynamicInformationProvider dynProvider = (DynamicInformationProvider)request.getAttribute(dynamicProviderRole);
if (dynProvider == null) {
dynProvider = new DynamicInformationProviderImpl(this.manager,
this.getPortalContextProvider());
request.setAttribute(dynamicProviderRole, dynProvider);
}
return dynProvider;
}
/* (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;
}
/* (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;
}
/**
* Get the portal context provider
* We have to do a lazy initialization, as the provider needs the object model
*/
protected PortalContextProviderImpl getPortalContextProvider() {
if ( this.provider == null ) {
this.provider = new PortalContextProviderImpl(ContextHelper.getObjectModel(context));
}
return this.provider;
}
}