Package org.apache.qpid.management.servlet

Source Code of org.apache.qpid.management.servlet.ConnectQManToBroker

/*
*
* 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.servlet;

import java.util.UUID;
import java.util.Map.Entry;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.muse.core.platform.mini.MiniServlet;
import org.apache.qpid.management.Messages;
import org.apache.qpid.management.Names;
import org.apache.qpid.management.configuration.BrokerConnectionData;
import org.apache.qpid.management.configuration.Configuration;
import org.apache.qpid.management.domain.services.QMan;
import org.apache.qpid.transport.util.Logger;

/**
* When QMan is started and a configuration file is given
* (via system property) with initial broker connection data(s),
* this servlet simply sends connect command(s) to QMan in order
* to estabilish the connection(s) to the requested broker(s).
*
* @author Andrea Gazzarini
*/
public class ConnectQManToBroker extends MiniServlet
  private static final long serialVersionUID = 6149614872902682208L;
    private final static Logger LOGGER = Logger.get(ConnectQManToBroker.class);
     
  /**
   * Send one or more initial "connect" command(s) to QMan in order
   * to estabilish a connection with broker found on the configuration file..
   * Note that this is done only if that configuration file is given (via system
   * property) and it is valid.
   */
  public void init()
  {
        Configuration configuration = Configuration.getInstance();
        if (configuration.hasOneOrMoreBrokersDefined())
        {
          QMan qman = (QMan)getServletContext().getAttribute(Names.APPLICATION_NAME);
         
          LOGGER.info(Messages.QMAN_000003_CREATING_MANAGEMENT_CLIENTS);
            for (Entry<UUID, BrokerConnectionData> entry : Configuration.getInstance().getConnectionInfos())
            {
              qman.createManagementClient(entry.getKey(), entry.getValue());
            }
    } else
    {
      LOGGER.info(Messages.QMAN_000022_NO_BROKER_CONFIGURED);
    }
  }
 
  /**
   * This is a startup module only so an override of the default servlet
   * behaviour must be done in order to prevent incoming http
   * requests processing.
   *
   * @param request the http request.
   * @param response the http response.
   * @throws ServletException each time this method is called.
   */
  @Override
  public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException
  {
    throw new ServletException();
  }
}
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