利用Liferay开发portal应用(插件)

/** * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.sample.jsp.portlet; import java.io.IOException; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.GenericPortlet; import javax.portlet.PortletException; import javax.portlet.PortletRequestDispatcher; import javax.portlet.RenderRequest; import javax.portlet.RenderResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * <a href="JSPPortlet.java.html"><b><i>View Source</i></b></a> * * @author Brian Wing Shun Chan * */ public class JSPPortlet extends GenericPortlet { public void init() throws PortletException { editJSP = getInitParameter("edit-jsp"); helpJSP = getInitParameter("help-jsp"); viewJSP = getInitParameter("view-jsp"); } public void doDispatch(RenderRequest req, RenderResponse res) throws IOException, PortletException { String jspPage = req.getParameter("jspPage"); if (jspPage != null) { include(jspPage, req, res); } else { super.doDispatch(req, res); } } public void doEdit(RenderRequest req, RenderResponse res) throws IOException, PortletException { if (req.getPreferences() == null) { super.doEdit(req, res); } else { include(editJSP, req, res); } } public void doHelp(RenderRequest req, RenderResponse res) throws IOException, PortletException { include(helpJSP, req, res); } public void doView(RenderRequest req, RenderResponse res) throws IOException, PortletException { include(viewJSP, req, res); } public void processAction(ActionRequest req, ActionResponse res) throws IOException, PortletException { } protected void include(String path, RenderRequest req, RenderResponse res) throws IOException, PortletException { PortletRequestDispatcher prd = getPortletContext().getRequestDispatcher(path); if (prd == null) { _log.error(path + " is not a valid include"); } else { prd.include(req, res); } } protected String editJSP; protected String helpJSP; protected String viewJSP; private static Log _log = LogFactory.getLog(JSPPortlet.class); }