| /* |
| * 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.coplet.adapter.impl; |
| |
| import java.util.Map; |
| |
| import javax.servlet.ServletConfig; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.avalon.framework.context.Context; |
| import org.apache.avalon.framework.context.ContextException; |
| import org.apache.avalon.framework.context.Contextualizable; |
| import org.apache.cocoon.components.ContextHelper; |
| import org.apache.cocoon.environment.http.HttpEnvironment; |
| import org.apache.cocoon.portal.PortalManager; |
| import org.apache.cocoon.portal.coplet.CopletInstanceData; |
| import org.apache.cocoon.portal.impl.PortletPortalManager; |
| import org.apache.cocoon.portal.pluto.om.PortletDefinitionRegistry; |
| import org.apache.cocoon.portal.pluto.om.PortletEntityListImpl; |
| import org.apache.cocoon.portal.pluto.om.PortletWindowImpl; |
| import org.apache.cocoon.portal.pluto.om.common.ObjectIDImpl; |
| import org.apache.cocoon.portal.pluto.servlet.ServletRequestImpl; |
| import org.apache.cocoon.portal.pluto.servlet.ServletResponseImpl; |
| import org.apache.cocoon.portal.serialization.IncludingHTMLSerializer; |
| import org.apache.cocoon.servlet.CocoonServlet; |
| import org.apache.cocoon.xml.AttributesImpl; |
| import org.apache.pluto.PortletContainer; |
| import org.apache.pluto.om.entity.PortletApplicationEntity; |
| import org.apache.pluto.om.entity.PortletEntity; |
| import org.apache.pluto.om.window.PortletWindow; |
| import org.apache.pluto.om.window.PortletWindowCtrl; |
| import org.apache.pluto.om.window.PortletWindowList; |
| import org.apache.pluto.om.window.PortletWindowListCtrl; |
| import org.apache.pluto.services.PortletContainerEnvironment; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.SAXException; |
| |
| |
| /** |
| * This is the adapter to use JSR-168 portlets as coplets |
| * |
| * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a> |
| * |
| * @version CVS $Id: PortletAdapter.java,v 1.6 2004/03/05 13:02:10 bdelacretaz Exp $ |
| */ |
| public class PortletAdapter |
| extends AbstractCopletAdapter |
| implements Contextualizable { |
| |
| /** The avalon context */ |
| protected Context context; |
| |
| /** The portlet container */ |
| protected PortletContainer portletContainer; |
| |
| /** The portlet container environment */ |
| protected PortletContainerEnvironment environment; |
| |
| /* (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; |
| // now get the portal manager |
| ServletConfig servletConfig = (ServletConfig) context.get(CocoonServlet.CONTEXT_SERVLET_CONFIG); |
| PortletPortalManager portalManager = (PortletPortalManager) servletConfig.getServletContext().getAttribute(PortalManager.ROLE); |
| |
| this.portletContainer = portalManager.getPortletContainer(); |
| this.environment = portalManager.getPortletContainerEnvironment(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.portal.coplet.adapter.CopletAdapter#login(org.apache.cocoon.portal.coplet.CopletInstanceData) |
| */ |
| public void login(CopletInstanceData coplet) { |
| super.login(coplet); |
| |
| PortletDefinitionRegistry registry = (PortletDefinitionRegistry) environment.getContainerService(PortletDefinitionRegistry.class); |
| |
| final String portletEntityId = (String) getConfiguration(coplet, "portlet"); |
| |
| PortletApplicationEntity pae = registry.getPortletApplicationEntityList().get(ObjectIDImpl.createFromString("cocoon")); |
| PortletEntity portletEntity = ((PortletEntityListImpl)pae.getPortletEntityList()).add(pae, portletEntityId, coplet, registry); |
| |
| if ( portletEntity.getPortletDefinition() != null ) { |
| // create the window |
| PortletWindow portletWindow = new PortletWindowImpl(portletEntityId); |
| ((PortletWindowCtrl)portletWindow).setId(coplet.getId()); |
| ((PortletWindowCtrl)portletWindow).setPortletEntity(portletEntity); |
| PortletWindowList windowList = portletEntity.getPortletWindowList(); |
| ((PortletWindowListCtrl)windowList).add(portletWindow); |
| coplet.setAttribute("window", portletWindow); |
| |
| // load the portlet |
| final Map objectModel = ContextHelper.getObjectModel(this.context); |
| ServletRequestImpl req = (ServletRequestImpl) objectModel.get("portlet-request"); |
| if ( req == null ) { |
| final HttpServletResponse res = (HttpServletResponse) objectModel.get(HttpEnvironment.HTTP_RESPONSE_OBJECT); |
| objectModel.put("portlet-response", new ServletResponseImpl(res)); |
| req = new ServletRequestImpl((HttpServletRequest) objectModel.get(HttpEnvironment.HTTP_REQUEST_OBJECT), null); |
| objectModel.put("portlet-request", req); |
| } |
| final HttpServletResponse res = (HttpServletResponse) objectModel.get("portlet-response"); |
| PortletPortalManager.copletInstanceData.set(coplet); |
| try { |
| this.portletContainer.portletLoad(portletWindow, req.getRequest(portletWindow), |
| res); |
| } catch (Exception e) { |
| this.getLogger().error("Error loading portlet " + portletEntityId, e); |
| // remove portlet entity |
| coplet.removeAttribute("window"); |
| ((PortletEntityListImpl)pae.getPortletEntityList()).remove(portletEntity); |
| } finally { |
| PortletPortalManager.copletInstanceData.set(null); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.portal.coplet.adapter.impl.AbstractCopletAdapter#streamContent(org.apache.cocoon.portal.coplet.CopletInstanceData, org.xml.sax.ContentHandler) |
| */ |
| public void streamContent(CopletInstanceData coplet, |
| ContentHandler contentHandler) |
| throws SAXException { |
| try { |
| final String portlet = (String)super.getConfiguration(coplet, "portlet"); |
| if ( portlet == null ) { |
| throw new SAXException("Portlet configuration is missing."); |
| } |
| // get the window |
| final PortletWindow window = (PortletWindow)coplet.getAttribute("window"); |
| if ( window == null ) { |
| throw new SAXException("Portlet couldn't be loaded: " + portlet); |
| } |
| final Map objectModel = ContextHelper.getObjectModel(this.context); |
| final ServletRequestImpl req = (ServletRequestImpl) objectModel.get("portlet-request"); |
| final HttpServletResponse res = (HttpServletResponse) objectModel.get("portlet-response"); |
| PortletPortalManager.copletInstanceData.set(coplet); |
| |
| // TODO - for parallel processing we have to clone the response! |
| this.portletContainer.renderPortlet(window, req.getRequest(window), res); |
| final String value = res.toString(); |
| |
| // stream out the include for the serializer |
| IncludingHTMLSerializer.addPortlet(portlet, value); |
| contentHandler.startPrefixMapping("portal", IncludingHTMLSerializer.NAMESPACE); |
| AttributesImpl attr = new AttributesImpl(); |
| attr.addCDATAAttribute("portlet", portlet); |
| contentHandler.startElement(IncludingHTMLSerializer.NAMESPACE, |
| "include", "portal:include", attr); |
| contentHandler.endElement(IncludingHTMLSerializer.NAMESPACE, |
| "include", "portal:include"); |
| contentHandler.endPrefixMapping("portal"); |
| } catch (SAXException se) { |
| throw se; |
| } catch (Exception e) { |
| throw new SAXException(e); |
| } finally { |
| PortletPortalManager.copletInstanceData.set(null); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.cocoon.portal.coplet.adapter.CopletAdapter#logout(org.apache.cocoon.portal.coplet.CopletInstanceData) |
| */ |
| public void logout(CopletInstanceData coplet) { |
| super.logout(coplet); |
| PortletWindow window = (PortletWindow)coplet.getAttribute("window"); |
| if ( window != null ) { |
| coplet.removeAttribute("window"); |
| PortletDefinitionRegistry registry = (PortletDefinitionRegistry) environment.getContainerService(PortletDefinitionRegistry.class); |
| |
| PortletApplicationEntity pae = registry.getPortletApplicationEntityList().get(ObjectIDImpl.createFromString("cocoon")); |
| ((PortletEntityListImpl)pae.getPortletEntityList()).remove(window.getPortletEntity()); |
| } |
| } |
| |
| } |
