/*
* $Header: /home/cvs/jakarta-struts/src/share/org/apache/struts/tiles/actions/ReloadDefinitionsAction.java,v 1.9 2004/03/14 06:23:46 sraeburn Exp $
* $Revision: 1.9 $
* $Date: 2004/03/14 06:23:46 $
*
* 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.tiles.actions;
import java.io.PrintWriter;
import javax.servlet.ServletContext;
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.apache.struts.tiles.DefinitionsFactory;
import org.apache.struts.tiles.DefinitionsFactoryException;
import org.apache.struts.tiles.TilesUtil;
/**
* <p>A standard <strong>Action</strong> that calls the
* <code>reload()</code> method of our controller servlet to
* reload its configuration information from the configuration
* files (which have presumably been updated) dynamically.</p>
*
* @version $Revision: 1.9 $ $Date: 2004/03/14 06:23:46 $
*/
public class ReloadDefinitionsAction extends Action {
/**
* Process the specified HTTP request, and create the corresponding HTTP
* response (or forward to another web component that will create it),
* with provision for handling exceptions thrown by the business logic.
*
* @param mapping The ActionMapping used to select this instance
* @param form The optional ActionForm bean for this request (if any)
* @param request The HTTP request we are processing
* @param response The HTTP response we are creating
*
* @exception Exception if the application business logic throws
* an exception
* @since Struts 1.1
*/
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception
{
response.setContentType("text/plain");
PrintWriter writer = response.getWriter();
try {
ServletContext context = getServlet().getServletContext();
DefinitionsFactory factory = TilesUtil.getDefinitionsFactory(request, context);
factory.setConfig(factory.getConfig(), context);
writer.println("OK");
} catch (ClassCastException e) {
writer.println("FAIL - " + e.toString());
getServlet().log("ReloadAction", e);
} catch (DefinitionsFactoryException e) {
writer.println("FAIL - " + e.toString());
getServlet().log("ReloadAction", e);
}
writer.flush();
writer.close();
return (null);
}
}