/*
* Copyright 2001-2002,2004 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.
*/
package org.apache.webapp.admin.valve;
import java.util.Locale;
import java.io.IOException;
import javax.management.Attribute;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.QueryExp;
import javax.management.Query;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import javax.management.JMException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.util.MessageResources;
import org.apache.webapp.admin.ApplicationServlet;
/**
* The <code>Action</code> that completes <em>Add Valve</em> and
* <em>Edit Valve</em> transactions for Single Sign On valve.
*
* @author Manveen Kaur
* @version $Revision: 303390 $ $Date: 2004-10-18 02:37:56 -0400 (Mon, 18 Oct 2004) $
*/
public final class SaveSingleSignOnValveAction extends Action {
// ----------------------------------------------------- Instance Variables
/**
* The MBeanServer we will be interacting with.
*/
private MBeanServer mBServer = null;
// --------------------------------------------------------- Public Methods
/**
* Process the specified HTTP request, and create the corresponding HTTP
* response (or forward to another web component that will create it).
* Return an <code>ActionForward</code> instance describing where and how
* control should be forwarded, or <code>null</code> if the response has
* already been completed.
*
* @param mapping The ActionMapping used to select this instance
* @param actionForm 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 IOException if an input/output error occurs
* @exception ServletException if a servlet exception occurs
*/
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
// Acquire the resources that we need
HttpSession session = request.getSession();
Locale locale = getLocale(request);
MessageResources resources = getResources(request);
// Acquire a reference to the MBeanServer containing our MBeans
try {
mBServer = ((ApplicationServlet) getServlet()).getServer();
} catch (Throwable t) {
throw new ServletException
("Cannot acquire MBeanServer reference", t);
}
// Identify the requested action
SingleSignOnValveForm vform = (SingleSignOnValveForm) form;
String adminAction = vform.getAdminAction();
String vObjectName = vform.getObjectName();
String parent = vform.getParentObjectName();
String valveType = vform.getValveType();
// Perform a "Create Valve" transaction (if requested)
if ("Create".equals(adminAction)) {
try {
// Ensure that only one single sign on valve exists
ObjectName pname = new ObjectName(parent);
ObjectName oname =
new ObjectName(pname.getDomain() +
":type=Valve,name=SingleSignOn");
if (mBServer.isRegistered(oname)) {
ActionErrors errors = new ActionErrors();
errors.add("singleSignOnValve",
new ActionError("error.singleSignOn.exists"));
saveErrors(request, errors);
return (new ActionForward(mapping.getInput()));
}
} catch (Exception e) {
getServlet().log
(resources.getMessage(locale, "users.error.invoke",
adminAction), e);
response.sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
resources.getMessage(locale, "users.error.invoke",
adminAction));
return (null);
}
vObjectName = ValveUtil.createValve(parent, valveType,
response, request, mapping,
(ApplicationServlet) getServlet());
}
// Perform attribute updates as requested
String attribute = null;
// Forward to the success reporting page
session.removeAttribute(mapping.getAttribute());
return (mapping.findForward("Save Successful"));
}
}