/*
* $$Id: RelayAction.java,v 1.3 2004/05/31 12:00:08 bel70 Exp $$
*
* ***** BEGIN LICENSE BLOCK *****
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and
* limitations under the License.
*
* The Original Code is JGossip forum code.
*
* The Initial Developer of the Original Code is the JResearch, Org.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dmitry Belov <bel@jresearch.org>
*
* ***** END LICENSE BLOCK ***** */
/*
* Created on 27.05.2004
*
*/
package org.jresearch.gossip.actions;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.jresearch.gossip.exception.SystemException;
/**
* @author dbelov
*
*/
public class RelayAction extends Action {
public static final String DISPATCH_PARAM = "dispatch";
/*
* (non-Javadoc)
*
* @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping,
* org.apache.struts.action.ActionForm,
* javax.servlet.http.HttpServletRequest,
* javax.servlet.http.HttpServletResponse)
*/
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
String dispatch = request.getParameter(DISPATCH_PARAM);
if (dispatch == null || dispatch.equals("")) { throw new SystemException(
new NullPointerException("dispatch param can't be empty")); }
ActionForward forward = mapping.findForward(request
.getParameter(DISPATCH_PARAM));
if (forward == null) { throw new SystemException(
new NullPointerException(" forward '" + dispatch
+ "' not found")); }
return forward;
}
}