| /* |
| * $Id$ |
| * |
| * Copyright 1999-2004 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.struts.scaffold.rss; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.commons.digester.rss.RSSDigester; |
| import org.apache.commons.digester.rss.Channel; |
| import org.apache.commons.scaffold.lang.Tokens; |
| |
| import org.apache.struts.action.ActionError; |
| import org.apache.struts.action.ActionErrors; |
| import org.apache.struts.action.ActionForm; |
| import org.apache.struts.action.ActionForward; |
| import org.apache.struts.action.ActionMapping; |
| import org.apache.struts.action.ActionServlet; |
| |
| import org.apache.struts.scaffold.BaseAction; |
| |
| |
| /** |
| * Read and parse RSS file found at a given |
| * path, save the Channel bean in request scope, |
| * and forward to "success". |
| * |
| * @author Ted Husted |
| * @version $Rev$ $Date$ |
| */ |
| public final class ParseRss extends BaseAction { |
| |
| // --------------------------------------------------------- Instances Variables |
| // --------------------------------------------------------- Public Methods |
| |
| /** |
| * Request attribute key for saving Channel bean ["CHANNEL"]. |
| */ |
| public static final String CHANNEL_KEY = "CHANNEL"; |
| |
| |
| /** |
| * Read and parse RSS file found at a given |
| * path, save the Channel bean in request scope, |
| * and forward to "success". |
| * |
| * @expects path={uri} on command line or as parameter property to ActionMapping. |
| * @expects an input page or error forwarding if exception digesting RSS |
| * @param mapping The ActionMapping used to select this instance |
| * @param actionForm The optional ActionForm bean for this request (if any) |
| * @param request The HTTP request we are processing |
| * @param response The resonse we are creating |
| * @param errors Our ActionErrors collection |
| */ |
| public void executeLogic( |
| ActionMapping mapping, |
| ActionForm form, |
| HttpServletRequest request, |
| HttpServletResponse response) |
| throws Exception { |
| |
| Channel channel = null; |
| |
| String path = request.getParameter(Tokens.PATH); |
| if (path==null) path = mapping.getParameter(); |
| |
| RSSDigester digester = new RSSDigester(); |
| channel = (Channel) digester.parse(path); |
| |
| request.setAttribute(CHANNEL_KEY,channel); |
| |
| } // end executeLogic() |
| |
| } // end ParseRss |