Java tutorial
/* * Copyright 2002,2004 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. * * $Id: LogonAction.java 54934 2004-10-16 17:07:50Z germuska $ */ package org.apache.struts.faces.systest1; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.beanutils.PropertyUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; 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.action.ActionError; import org.apache.struts.action.ActionErrors; /** * <p>Action to process logon attempts. It accepts only the combination * "gooduser" and "goodpass", while rejecting all others. Successful * login requests a logical forward "login1", while unsuccessful login * returns to the input form.</p> */ public class LogonAction extends Action { private static final Log log = LogFactory.getLog(LogonAction.class); /** * <p>Process an attempted logon.</p> */ public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { ActionErrors errors = new ActionErrors(); String username = (String) PropertyUtils.getSimpleProperty(form, "username"); if ((username == null) || ("".equals(username))) { errors.add("username", new ActionError("logon.username")); } String password = (String) PropertyUtils.getSimpleProperty(form, "password"); if ((password == null) || ("".equals(password))) { errors.add("password", new ActionError("logon.password")); } if (log.isTraceEnabled()) { log.trace("username=" + username + ",password=" + password); } if (errors.isEmpty() && (!"gooduser".equals(username) || !"goodpass".equals(password))) { errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("logon.mismatch")); } if (errors.isEmpty()) { if (log.isDebugEnabled()) { log.debug("Successful logon, forwarding to logon1"); } return (mapping.findForward("logon1")); } else { if (log.isDebugEnabled()) { log.debug("Unsuccessful logon, returning to input"); } saveErrors(request, errors); return (mapping.getInputForward()); } } }