/*
* $Id: LogonAction.java 471754 2006-11-06 14:55:09Z husted $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apps.mailreader.actions;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.apps.mailreader.dao.User;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* <p>
* Validate a user logon.
* </p>
*
* @version $Rev: 471754 $ $Date: 2006-11-06 15:55:09 +0100 (Lun, 06 nov 2006) $
*/
public final class LogonAction extends BaseAction {
/**
* <p>
* Use "username" and "password" fields from ActionForm to retrieve a User
* object from the database. If credentials are not valid, or database
* has disappeared, post error messages and forward to input.
* </p>
*
* @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
* @throws Exception if the application business logic throws
* an exception
*/
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
// Retrieve user
String username = doGet(form, USERNAME);
String password = doGet(form, PASSWORD);
ActionMessages errors = new ActionMessages();
User user = doGetUser(username, password, errors);
// Report back any errors, and exit if any
if (!errors.isEmpty()) {
this.saveErrors(request, errors);
return (mapping.getInputForward());
}
// Cache user object in session to signify logon
doCacheUser(request, user);
// Done
return doFindSuccess(mapping);
}
}