/*
* Copyright 2005-2006 the original author or authors.
*
* 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.strecks.preprocess;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.struts.Globals;
import org.apache.struts.action.ActionMessages;
/**
* Implements the <code>RequestPreprocessor</code>
* @author Phil Zoio
*/
public class SessionErrorPreprocessor implements RequestPreprocessor
{
/**
* Removes <code>Globals.ERROR_KEY</code> errors from session attribute under same name, and adds it to request
*/
public void preprocessRequest(HttpServletRequest request)
{
HttpSession session = request.getSession(false);
if (session != null)
{
ActionMessages messages = (ActionMessages) session.getAttribute(Globals.ERROR_KEY);
if (messages != null)
{
request.setAttribute(Globals.ERROR_KEY, messages);
session.removeAttribute(Globals.ERROR_KEY);
}
}
}
}