/*
* 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.realm;
import java.net.URLEncoder;
import java.util.Iterator;
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;
import org.apache.webapp.admin.TomcatTreeBuilder;
import org.apache.webapp.admin.TreeControl;
import org.apache.webapp.admin.TreeControlNode;
import org.apache.webapp.admin.valve.ValveUtil;
/**
* The <code>Action</code> that completes <em>Add Realm</em> and
* <em>Edit Realm</em> transactions for Memory realm.
*
* @author Manveen Kaur
* @version $Revision: 303390 $ $Date: 2004-10-18 02:37:56 -0400 (Mon, 18 Oct 2004) $
*/
public final class SaveMemoryRealmAction extends Action {
// ----------------------------------------------------- Instance Variables
/**
* Signature for the <code>createStandardRealm</code> operation.
*/
private String createStandardRealmTypes[] =
{ "java.lang.String", // parent
};
/**
* 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
MemoryRealmForm rform = (MemoryRealmForm) form;
String adminAction = rform.getAdminAction();
String rObjectName = rform.getObjectName();
// Perform a "Create Memory Realm" transaction (if requested)
if ("Create".equals(adminAction)) {
String operation = null;
String values[] = null;
try {
String parent = rform.getParentObjectName();
String objectName = ValveUtil.getObjectName(parent,
TomcatTreeBuilder.REALM_TYPE);
ObjectName pname = new ObjectName(parent);
StringBuffer sb = new StringBuffer(pname.getDomain());
// For service, create the corresponding Engine mBean
// Parent in this case needs to be the container mBean for the service
try {
if ("Service".equalsIgnoreCase(pname.getKeyProperty("type"))) {
sb.append(":type=Engine");
parent = sb.toString();
}
} catch (Exception e) {
String message =
resources.getMessage(locale, "error.engineName.bad",
sb.toString());
getServlet().log(message);
response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
return (null);
}
// Ensure that the requested user database name is unique
ObjectName oname =
new ObjectName(objectName);
if (mBServer.isRegistered(oname)) {
ActionErrors errors = new ActionErrors();
errors.add("realmName",
new ActionError("error.realmName.exists"));
saveErrors(request, errors);
return (new ActionForward(mapping.getInput()));
}
String domain = oname.getDomain();
// Look up our MBeanFactory MBean
ObjectName fname = TomcatTreeBuilder.getMBeanFactory();
// Create a new StandardRealm object
values = new String[1];
values[0] = parent;
operation = "createMemoryRealm";
rObjectName = (String)
mBServer.invoke(fname, operation,
values, createStandardRealmTypes);
// Add the new Realm to our tree control node
TreeControl control = (TreeControl)
session.getAttribute("treeControlTest");
if (control != null) {
TreeControlNode parentNode = control.findNode(rform.getParentObjectName());
if (parentNode != null) {
String nodeLabel = rform.getNodeLabel();
String encodedName =
URLEncoder.encode(rObjectName,TomcatTreeBuilder.URL_ENCODING);
TreeControlNode childNode =
new TreeControlNode(rObjectName,
"Realm.gif",
nodeLabel,
"EditRealm.do?select=" +
encodedName,
"content",
true, domain);
parentNode.addChild(childNode);
// FIXME - force a redisplay
} else {
getServlet().log
("Cannot find parent node '" + parent + "'");
}
} else {
getServlet().log
("Cannot find TreeControlNode!");
}
} catch (Exception e) {
getServlet().log
(resources.getMessage(locale, "users.error.invoke",
operation), e);
response.sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
resources.getMessage(locale, "users.error.invoke",
operation));
return (null);
}
}
// Perform attribute updates as requested
String attribute = null;
try {
ObjectName roname = new ObjectName(rObjectName);
attribute = "pathname";
mBServer.setAttribute(roname,
new Attribute("pathname", rform.getPathName()));
} catch (Exception e) {
getServlet().log
(resources.getMessage(locale, "users.error.attribute.set",
attribute), e);
response.sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
resources.getMessage(locale, "users.error.attribute.set",
attribute));
return (null);
}
// Forward to the success reporting page
session.removeAttribute(mapping.getAttribute());
return (mapping.findForward("Save Successful"));
}
}