/*
* $Header: /home/cvspublic/jakarta-struts/src/example/org/apache/struts/webapp/example/SaveRegistrationAction.java,v 1.22 2004/03/14 06:23:44 sraeburn Exp $
* $Revision: 1.22 $
* $Date: 2004/03/14 06:23:44 $
*
* 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.webapp.example;
import java.lang.reflect.InvocationTargetException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
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.ActionMessage;
import org.apache.struts.action.ActionMessages;
/**
* Implementation of <strong>Action</strong> that validates and creates or
* updates the user registration information entered by the user. If a new
* registration is created, the user is also implicitly logged on.
*
* @version $Revision: 1.22 $ $Date: 2004/03/14 06:23:44 $
*/
public final class SaveRegistrationAction extends BaseAction {
// ----------------------------------------------------- Instance Variables
/**
* The <code>Log</code> instance for this application.
*/
private Log log = LogFactory.getLog("org.apache.struts.webapp.Example");
// --------------------------------------------------------- Public Methods
// See superclass for Javadoc
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
// Extract attributes and parameters we will need
HttpSession session = request.getSession();
RegistrationForm regform = (RegistrationForm) form;
String action = regform.getAction();
if (action == null) {
action = "Create";
}
UserDatabase database = getUserDatabase();
// (UserDatabase) servlet.getServletContext().getAttribute(
// Constants.DATABASE_KEY);
if (log.isDebugEnabled()) {
log.debug("SaveRegistrationAction: Processing " + action + " action");
}
// Is there a currently logged on user (unless creating)?
User user = (User) session.getAttribute(Constants.USER_KEY);
if (!"Create".equals(action) && (user == null)) {
if (log.isTraceEnabled()) {
log.trace(" User is not logged on in session " + session.getId());
}
return (mapping.findForward("logon"));
}
// Was this transaction cancelled?
if (isCancelled(request)) {
if (log.isTraceEnabled()) {
log.trace(" Transaction '" + action + "' was cancelled");
}
session.removeAttribute(Constants.SUBSCRIPTION_KEY);
return (mapping.findForward("success"));
}
// Validate the transactional control token
ActionMessages errors = new ActionMessages();
if (log.isTraceEnabled()) {
log.trace(" Checking transactional control token");
}
if (!isTokenValid(request)) {
errors.add(
ActionMessages.GLOBAL_MESSAGE,
new ActionMessage("error.transaction.token"));
}
resetToken(request);
// Validate the request parameters specified by the user
if (log.isTraceEnabled()) {
log.trace(" Performing extra validations");
}
String value = null;
value = regform.getUsername();
if (("Create".equals(action)) && (database.findUser(value) != null)) {
errors.add(
"username",
new ActionMessage("error.username.unique", regform.getUsername()));
}
if ("Create".equals(action)) {
value = regform.getPassword();
if ((value == null) || (value.length() < 1)) {
errors.add("password", new ActionMessage("error.password.required"));
}
value = regform.getPassword2();
if ((value == null) || (value.length() < 1)) {
errors.add(
"password2",
new ActionMessage("error.password2.required"));
}
}
// Report any errors we have discovered back to the original form
if (!errors.isEmpty()) {
this.saveErrors(request, errors);
this.saveToken(request);
return (mapping.getInputForward());
}
// Update the user's persistent profile information
try {
if ("Create".equals(action)) {
user = database.createUser(regform.getUsername());
}
String oldPassword = user.getPassword();
PropertyUtils.copyProperties(user, regform);
if ((regform.getPassword() == null)
|| (regform.getPassword().length() < 1)) {
user.setPassword(oldPassword);
}
} catch (InvocationTargetException e) {
Throwable t = e.getTargetException();
if (t == null) {
t = e;
}
log.error("Registration.populate", t);
throw new ServletException("Registration.populate", t);
} catch (Throwable t) {
log.error("Registration.populate", t);
throw new ServletException("Subscription.populate", t);
}
try {
database.save();
} catch (Exception e) {
log.error("Database save", e);
}
// Log the user in if appropriate
if ("Create".equals(action)) {
session.setAttribute(Constants.USER_KEY, user);
if (log.isTraceEnabled()) {
log.trace(
" User '"
+ user.getUsername()
+ "' logged on in session "
+ session.getId());
}
}
// Remove the obsolete form bean
if (mapping.getAttribute() != null) {
if ("request".equals(mapping.getScope()))
request.removeAttribute(mapping.getAttribute());
else
session.removeAttribute(mapping.getAttribute());
}
// Forward control to the specified success URI
if (log.isTraceEnabled()) {
log.trace(" Forwarding to success page");
}
return (mapping.findForward("success"));
}
}
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