Java tutorial
/* =============================================================================== * * Part of the InfoGlue Content Management Platform (www.infoglue.org) * * =============================================================================== * * Copyright (C) * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License version 2, as published by the * Free Software Foundation. See the file LICENSE.html for more information. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY, including the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc. / 59 Temple * Place, Suite 330 / Boston, MA 02111-1307 / USA. * * =============================================================================== */ package org.infoglue.deliver.portal.dispatcher; import java.util.Enumeration; import java.util.Properties; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.pluto.PortletContainerServices; import org.apache.pluto.portalImpl.core.PortletContainerEnvironment; import org.apache.pluto.portalImpl.core.PortletContainerFactory; import org.apache.pluto.portalImpl.factory.FactoryAccess; import org.apache.pluto.portalImpl.services.ServiceManager; import org.apache.pluto.portalImpl.services.factorymanager.FactoryManager; import org.infoglue.deliver.portal.ServletConfigContainer; /** * Overides the webwork(1) servlet dispatcher in order to initiate the pluto * services. * * @author robert lerner * @author jan danils * @author jran stark */ public class PortalServletDispatcher extends DeliveryServletDispatcher { private static final Log log = LogFactory.getLog(PortalServletDispatcher.class); public static final String PORTLET_CONTAINER_NAME = "portal_container_name"; private static String uniqueContainerName; public void init(ServletConfig config) throws ServletException { log.debug("init of servlet"); // -- delegate to webwork servlet dispatcher init super.init(config); // -- init of infoglue portal singleton container for the servlet config //TODO: un-singleton ServletConfigContainer.getContainer().setServletConfig(config); // -- start: init the pluto services - try { ServiceManager.init(config); } catch (Throwable exc) { log.error("Initialization failed!", exc); throw (new javax.servlet.UnavailableException("Initialization of one or more services failed.")); } try { ServiceManager.postInit(config); } catch (Throwable expos) { log.error("Post initialization failed!", expos); throw (new javax.servlet.UnavailableException("Post initialization of one or more services failed.")); } if (!PortletContainerFactory.getPortletContainer().isInitialized()) { uniqueContainerName = "pluto-" + System.currentTimeMillis(); if (log.isInfoEnabled()) log.info("Initializing PortletContainer [" + uniqueContainerName + "]..."); PortletContainerEnvironment environment = new PortletContainerEnvironment(); environment.addContainerService(org.apache.pluto.portalImpl.services.log.Log.getService()); environment.addContainerService(FactoryManager.getService()); environment.addContainerService(FactoryAccess.getInformationProviderContainerService()); environment.addContainerService(FactoryAccess.getDynamicTitleContainerService()); Properties properties = new Properties(); try { PortletContainerFactory.getPortletContainer().init(uniqueContainerName, config, environment, properties); } catch (Throwable exc) { log.warn("Initialization of the portlet container failed!", exc); // throw ( // new javax.servlet.UnavailableException( // "Initialization of the portlet container failed.")); } } else if (log.isInfoEnabled()) { log.info("PortletContainer already initialized"); } // RSS Portlet test-hack-fix //System.setProperty("javax.xml.transform.TransformerFactory", "org.apache.xalan.transformer.TransformerImpl"); log.info("Ready to serve you."); } public void destroy() { super.destroy(); if (log.isInfoEnabled()) log.info("Shutting down portlet container. . ."); try { PortletContainerFactory.getPortletContainer().shutdown(); // destroy all services ServiceManager.destroy(getServletConfig()); } catch (Throwable t) { log("Destruction failed!", t); } } public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException { if (log.isDebugEnabled()) { log.debug("\n******************************************** infogluePortal service()"); Enumeration enumeration = req.getParameterNames(); while (enumeration.hasMoreElements()) { String name = (String) enumeration.nextElement(); Object o = req.getParameter(name); log.debug(name + "=" + o); } enumeration = req.getAttributeNames(); while (enumeration.hasMoreElements()) { String name = (String) enumeration.nextElement(); Object o = req.getAttribute(name); log.debug(name + "=" + o); } } // TODO not very nice, or?. Necessary to call before portlet execution. PortletContainerServices.prepare(uniqueContainerName); // Necessary to allow deliver parts to update portlet container when a new // portlet is uploaded. req.setAttribute(PORTLET_CONTAINER_NAME, uniqueContainerName); // Delegate to super-servlet (infoglue) super.service(req, resp); } }