/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.qpid.management.web.action;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.util.List;
import java.util.Set;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.qpid.management.Names;
import org.apache.qpid.management.domain.services.ManagementClient;
import org.apache.qpid.management.domain.services.QMan;
/**
* This controller retrieves from QMan all the registered resources and organize
* that data in a model that is then forwarded to the appropriate view page.
*
* TODO : In the corresponding view page only one broker is displayed.
* A query should be made on QMan mbean in order to retrieve all connected broker and therefore
* a model for each of them should be created.
* In the corresponding weg page there should be a "tab" for each broker. Each tab should show only
* the objects belonging to that broker.
*
* @author Andrea Gazzarini
*/
public class ResourcesManagementAction extends HttpServlet
{
private static final long serialVersionUID = -2411413147821629363L;
@SuppressWarnings("unchecked")
@Override
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
try
{
QMan qman = (QMan)getServletContext().getAttribute(Names.APPLICATION_NAME);
List<ManagementClient> managementClient = qman.getManagementClients();
if (!managementClient.isEmpty())
{
BrokerModel model = new BrokerModel();
model.setId(managementClient.toString());
MBeanServer mxServer = ManagementFactory.getPlatformMBeanServer();
Set<ObjectName> objectNames = mxServer.queryNames(new ObjectName("Q-MAN:*"), null);
for (ObjectName objectName : objectNames)
{
model.addObject(objectName);
}
request.setAttribute("model", model);
}
RequestDispatcher dispatcher = request.getRequestDispatcher("/resources_management.jsp");
dispatcher.forward(request,response);
} catch(MalformedObjectNameException exception)
{
request.setAttribute("errorMessage","Unable to detect the exact cause Please look at the reported stack trace below.");
request.setAttribute("exception",exception);
RequestDispatcher dispatcher = request.getRequestDispatcher("/error_page.jsp");
dispatcher.forward(request,response);
}
}
}