/*
* $Header: /home/cvs/jakarta-struts/contrib/scaffold/rss/ParseRss.java,v 1.2 2004/03/14 07:15:06 sraeburn Exp $
* $Revision: 1.2 $
* $Date: 2004/03/14 07:15:06 $
*
* 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 $Revision: 1.2 $ $Date: 2004/03/14 07:15:06 $
*/
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