rmijmsadminconnection.java

实现了Jms的服务器源码,支持多种适配器,DB,FTP,支持多种数据库

/**
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 * ("Software"), with or without modification, are permitted provided
 * that the following conditions are met:
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 * 1. Redistributions of source code must retain copyright
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 *    copy of this document.
 *
 * 2. Redistributions in binary form must reproduce the
 *    above copyright notice, this list of conditions and the
 *    following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
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 * 3. The name "Exolab" must not be used to endorse or promote
 *    products derived from this Software without prior written
 *    permission of Exoffice Technologies.  For written permission,
 *    please contact [e-mail].
 *
 * 4. Products derived from this Software may not be called "Exolab"
 *    nor may "Exolab" appear in their names without prior written
 *    permission of Exoffice Technologies. Exolab is a registered
 *    trademark of Exoffice Technologies.
 *
 * 5. Due credit should be given to the Exolab Project
 *    (http://www.exolab.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 2000-2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
 *
 * $Id: RmiJmsAdminConnection.java,v 1.14 2003/08/07 13:32:48 tanderson Exp $
 *
 * Date         Author  Changes
 * $Date       jimm    Created
 */
package org.exolab.jms.administration.rmi;

import java.rmi.Naming;
import java.util.Vector;

import javax.jms.JMSException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.exolab.jms.administration.AdminConnection;
import org.exolab.jms.administration.JmsAdminServerIfc;
import org.exolab.jms.server.rmi.RemoteJmsAdminConnectionIfc;
import org.exolab.jms.server.rmi.RemoteJmsAdminServerIfc;
import org.exolab.jms.util.UUID;


/**
 * This class is repsonsible for an admin connection to the RMI server
 *
 * @version     $Revision: 1.14 $ $Date: 2003/08/07 13:32:48 $
 * @author      <a href="mailto:[e-mail]">Jim Mourikis</a>
 * @see         org.exolab.jms.server.rmi.RmiJmsAdminServer
 * @see         org.exolab.jms.administration.AdminConnectionFactory
 */
public class RmiJmsAdminConnection
    implements JmsAdminServerIfc, AdminConnection {

    /**
     * The rmi connection to the OpenJMS server
     */
    private RemoteJmsAdminServerIfc _delegate = null;

    /**
     * The rmi connection to the OpenJMS server
     */
    private RemoteJmsAdminConnectionIfc _admin = null;

    /**
     * The logger
     */
    private static final Log _log =
        LogFactory.getLog(RmiJmsAdminConnection.class);

    /**
     * The server host address
     */
    private String _serverAddress;

    /**
     * The server name
     */
    private String _name;

    /**
     * The port number the server is listening to
     */
    private int _port;

    /**
     * The clientId
     */
    private String _clientId = null;


    /**
     * Create the connection to the server, using the specified host, port
     * and registry binding
     *
     * @param host the server host
     * @param port the server port
     * @param name the name of the admin server, bound in the registry. May
     * be null
     */
    public RmiJmsAdminConnection(String host, int port, String name,
                                 String username, String password)
        throws JMSException {
        _serverAddress = host;
        _port = port;
        _name = name;
        _clientId = UUID.next();

        connect(_clientId, username, password);
    }

    // implementation of JmsAdminServerIfc.addDurableConsumer
    public boolean addDurableConsumer(String topic, String name)
        throws JMSException {
        boolean result = false;
        try {
            result = _admin.addDurableConsumer(topic, name);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.removeDurableConsumer
    public boolean removeDurableConsumer(String name) throws JMSException {
        boolean result = false;
        try {
            result = _admin.removeDurableConsumer(name);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.durableConsumerExists
    public boolean durableConsumerExists(String name) throws JMSException {
        boolean result = false;
        try {
            result = _admin.durableConsumerExists(name);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.getDurableConsumers
    public Vector getDurableConsumers(String topic) throws JMSException {
        Vector result = null;
        try {
            result = _admin.getDurableConsumers(topic);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.unregisterConsumer
    public boolean unregisterConsumer(String name) throws JMSException {
        boolean result = false;
        try {
            result = _admin.unregisterConsumer(name);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.isConnected
    public boolean isConnected(String name) throws JMSException {
        boolean result = false;
        try {
            result = _admin.isConnected(name);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.addDestination
    public boolean addDestination(String destination, Boolean queue)
        throws JMSException {
        boolean result = false;
        try {
            result = _admin.addDestination(destination, queue);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.removeDestination
    public boolean removeDestination(String name) throws JMSException {
        boolean result = false;
        try {
            result = _admin.removeDestination(name);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.destinationExists
    public boolean destinationExists(String name) throws JMSException {
        boolean result = false;
        try {
            result = _admin.destinationExists(name);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.getAllDestinations
    public Vector getAllDestinations() throws JMSException {
        Vector result = null;
        try {
            result = _admin.getAllDestinations();
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.getDurableConsumerMessageCount
    public int getDurableConsumerMessageCount(String topic, String name)
        throws JMSException {
        int result = 0;
        try {
            result = _admin.getDurableConsumerMessageCount(topic, name);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.getDurableConsumerMessageCount
    public int getQueueMessageCount(String queue) throws JMSException {
        int result = 0;
        try {
            result = _admin.getQueueMessageCount(queue);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.purgeMessages
    public int purgeMessages() throws JMSException {
        int result = 0;
        try {
            result = _admin.purgeMessages();
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.stopServer
    public void stopServer() throws JMSException {
        try {
            _admin.stopServer();
        } catch (Exception exception) {
            raise(exception);
        }
    }

    // implementation of JmsAdminServerIfc.close
    public void close() {
        _admin = null;
    }

    protected void openConnection() throws JMSException {
        try {
            if (_name == null) {
                _name = "JmsAdminServer";
            }
            String url = "//" + _serverAddress + ":" + _port + "/" + _name;
            _delegate = (RemoteJmsAdminServerIfc) Naming.lookup(url);
        } catch (Exception exception) {
            raise(exception);
        }
    }

    /**
     * Authenticates username/password
     *
     * @param clientId the client's id
     * @param username the user's name
     * @param password the user's password
     * @throws JMSException if the client cannot be authenticated
     */
    private void connect(String clientId, String username, String password)
        throws JMSException {
        openConnection();

        try {
            _admin = getDelegate().
                createConnection(clientId, username, password);
        } catch (Exception exception) {
            raise(exception);
        }
    }

    private void raise(Exception exception) throws JMSException {
        if (exception instanceof JMSException) {
            throw (JMSException) exception;
        } else {
            JMSException error = new JMSException(exception.getMessage());
            error.setLinkedException(exception);
            throw error;
        }
    }

    // implementation of JmsAdminServerIfc.addUser
    public boolean addUser(String username, String password)
        throws JMSException {
        boolean result = false;
        try {
            result = _admin.addUser(username, password);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.getAllUsers
    public Vector getAllUsers() throws JMSException {
        Vector result = null;
        try {
            result = _admin.getAllUsers();
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.removeUser
    public boolean removeUser(String username)
        throws JMSException {
        boolean result = false;
        try {
            result = _admin.removeUser(username);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    // implementation of JmsAdminServerIfc.changePassword
    public boolean changePassword(String username, String password)
        throws JMSException {
        boolean result = false;
        try {
            result = _admin.changePassword(username, password);
        } catch (Exception exception) {
            raise(exception);
        }
        return result;
    }

    /** Getter for property _delegate.
     * @return Value of property _delegate.
     *
     */
    public RemoteJmsAdminServerIfc getDelegate() {
        return _delegate;
    }

} //-- RmiJmsAdminConnection