| /* |
| * 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; |
| } |
| |
| } |