/*
* 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.service;
import java.net.URLEncoder;
import java.util.Iterator;
import java.util.Locale;
import java.util.Vector;
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.Lists;
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 Service</em> and
* <em>Edit Service</em> transactions.
*
* @author Manveen Kaur
* @author Amy Roh
* @version $Revision: 303390 $ $Date: 2004-10-18 02:37:56 -0400 (Mon, 18 Oct 2004) $
*/
public final class SaveServiceAction extends Action {
// ----------------------------------------------------- Instance Variables
/**
* Signature for the <code>createStandardEngine</code> operation.
*/
private String createStandardEngineTypes[] =
{ "java.lang.String", // parent
"java.lang.String", // name
"java.lang.String", // defaultHost
};
/**
* Signature for the <code>createStandardService</code> operation.
*/
private String createStandardServiceTypes[] =
{ "java.lang.String", // parent
"java.lang.String", // name
"java.lang.String" // domain
};
/**
* Signature for the <code>createStandardEngineService</code> operation.
*/
private String createStandardEngineServiceTypes[] =
{ "java.lang.String", // parent
"java.lang.String", // engineName
"java.lang.String", // defaultHost
"java.lang.String" // serviceName
};
/**
* Signature for the <code>createUserDatabaseRealm</code> operation.
*/
private String createUserDatabaseRealmTypes[] =
{ "java.lang.String", // parent
"java.lang.String", // name
};
/**
* 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
ServiceForm sform = (ServiceForm) form;
String adminAction = sform.getAdminAction();
String sObjectName = sform.getObjectName();
String eObjectName = sform.getEngineObjectName();
String serverObjectName = sform.getServerObjectName();
ObjectName eoname = null;
ObjectName soname = null;
// Perform a "Create Service" transaction (if requested)
if ("Create".equals(adminAction)) {
String operation = null;
String values[] = null;
try {
// engine name is domain
String engineName = sform.getEngineName();
//String domain = (new ObjectName(serverObjectName)).getDomain();
// Ensure that the requested service name is unique
ObjectName oname =
new ObjectName("*" + TomcatTreeBuilder.SERVICE_TYPE +
",serviceName="+sform.getServiceName());
Iterator names = mBServer.queryNames(oname, null).iterator();
while (names.hasNext()) {
if (mBServer.isRegistered((ObjectName)names.next())) {
ActionErrors errors = new ActionErrors();
errors.add("serviceName",
new ActionError("error.serviceName.exists"));
saveErrors(request, errors);
return (new ActionForward(mapping.getInput()));
}
}
oname = new ObjectName(engineName + TomcatTreeBuilder.ENGINE_TYPE);
if (mBServer.isRegistered(oname)) {
ActionErrors errors = new ActionErrors();
errors.add("serviceName",
new ActionError("error.engineName.exists"));
saveErrors(request, errors);
return (new ActionForward(mapping.getInput()));
}
// Look up our MBeanFactory MBean
ObjectName fname = TomcatTreeBuilder.getMBeanFactory();
// Create a new StandardService and StandardEngine object
values = new String[4];
values[0] = TomcatTreeBuilder.SERVER_TYPE;
values[1] = engineName;
values[2] = sform.getDefaultHost();
values[3] = sform.getServiceName();
operation = "createStandardEngineService";
Vector onames = (Vector)
mBServer.invoke(fname, operation,
values, createStandardEngineServiceTypes);
eoname = (ObjectName)onames.get(0);
soname = (ObjectName)onames.get(1);
sObjectName = soname.toString();
eObjectName = eoname.toString();
String realmOName = ValveUtil.getObjectName(
eObjectName, TomcatTreeBuilder.REALM_TYPE);
ObjectName roname = new ObjectName(realmOName);
if (mBServer.isRegistered(roname)) {
mBServer.unregisterMBean(roname);
}
// Create a new UserDatabaseRealm object
values = new String[2];
values[0] = eObjectName;
values[1] = "UserDatabase";
operation = "createUserDatabaseRealm";
//realmOName = (String)
// mBServer.invoke(fname, operation,
// values, createUserDatabaseRealmTypes);
//Enumeration enum = onames.elements();
//while (enum.hasMoreElements()) {
// getServlet().log("save service "+enum.nextElement());
//}
sObjectName = soname.toString();
eObjectName = eoname.toString();
// Create a new StandardService object
//values = new String[3];
//values[0] = TomcatTreeBuilder.SERVER_TYPE;
//values[1] = sform.getServiceName();
//values[2] = engineName;
//operation = "createStandardService";
//sObjectName = (String)
// mBServer.invoke(fname, operation,
// values, createStandardServiceTypes);
// Create a new StandardEngine object
//values = new String[3];
//values[0] = sObjectName;
//values[1] = sform.getEngineName();
//values[2] = sform.getDefaultHost();
//if ("".equals(values[2])) {
// values[2] = null;
//}
//operation = "createStandardEngine";
//eObjectName = (String)
// mBServer.invoke(fname, operation,
// values, createStandardEngineTypes);
// Add the new Service to our tree control node
TreeControl control = (TreeControl)
session.getAttribute("treeControlTest");
if (control != null) {
String parentName = TomcatTreeBuilder.DEFAULT_DOMAIN +
TomcatTreeBuilder.SERVER_TYPE;
TreeControlNode parentNode = control.findNode(parentName);
if (parentNode != null) {
String nodeLabel = resources.getMessage(locale,
"server.service.treeBuilder.subtreeNode") +" (" +
soname.getKeyProperty("serviceName") + ")";
String encodedName =
URLEncoder.encode(sObjectName,TomcatTreeBuilder.URL_ENCODING);
TreeControlNode childNode =
new TreeControlNode(sObjectName,
"Service.gif",
nodeLabel,
"EditService.do?select=" +
encodedName,
"content",
true, engineName);
parentNode.addChild(childNode);
// update tree to display the newly added realm
//Iterator realmNames =
// Lists.getRealms(mBServer, sObjectName).iterator();
//while (realmNames.hasNext()) {
// String realmName = (String) realmNames.next();
// ObjectName objectName = new ObjectName(realmName);
// nodeLabel = "Realm for service (" +
// sform.getServiceName() + ")";
// TreeControlNode realmNode =
// new TreeControlNode(realmName,
// "Realm.gif",
// nodeLabel,
// "EditRealm.do?select=" +
// URLEncoder.encode(realmName) +
// "&nodeLabel=" +
// URLEncoder.encode(nodeLabel),
// "content",
// false, engineName);
// childNode.addChild(realmNode);
//}
// FIXME - force a redisplay
} else {
getServlet().log
("Cannot find parent node '" + parentName + "'");
}
} 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 {
eoname = new ObjectName(eObjectName);
soname = new ObjectName(sObjectName);
attribute = "defaultHost";
String defaultHost = sform.getDefaultHost();
if ("".equals(defaultHost)) {
defaultHost = null;
}
mBServer.setAttribute(eoname,
new Attribute("defaultHost", defaultHost));
} 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"));
}
}