Package org.exolab.jms.server

Source Code of org.exolab.jms.server.AdminConnectionManager

/**
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
*    statements and notices.  Redistributions must also contain a
*    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.
*
* 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 info@exolab.org.
*
* 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 2000-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
*/
package org.exolab.jms.server;

import java.security.Principal;
import javax.jms.JMSException;
import javax.jms.JMSSecurityException;

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

import org.exolab.jms.net.connector.Authenticator;
import org.exolab.jms.net.connector.ResourceException;
import org.exolab.jms.common.security.BasicPrincipal;

/**
* <code>AdminConnectionManager</code> is responsible for creating
* authenticated {@link AdminConnection} instances
*
*  The connection manager is a singleton (at this point anyway)
* that is accessible through the instance class method. It is also responsible
* for holding a list of adminconnections.
*
* @version     $Revision: 1.4 $ $Date: 2005/12/26 06:26:35 $
* @author      <a href="mailto:knut@lerpold.no">Knut Lerpold</a>
* @author      <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
* @see         AdminConnection
*/
public class AdminConnectionManager {

    /**
     * The authenticator.
     */
    private final Authenticator _authenticator;

    /**
     * The connection factory.
     */
    private final AdminConnectionFactory _factory;

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


    /**
     * Construct a new <code>AdminConnectionManager</code>.
     */
    public AdminConnectionManager(Authenticator authenticator,
                                  AdminConnectionFactory factory) {
        if (authenticator == null) {
            throw new IllegalArgumentException(
                    "Argument 'authenticator' is null");
        }
        _authenticator = authenticator;
        _factory = factory;
    }

    /**
     * Create a new admin connection.
     *
     * @param username the client's username
     * @param password the client's password
     * @return a new admin connection
     * @throws JMSSecurityException if the client cannot be authenticated
     * @throws JMSException if the connection cannot be created
     */
    public AdminConnection createConnection(String username, String password)
        throws JMSSecurityException, JMSException {
        Principal principal = null;
        if (username != null) {
            principal = new BasicPrincipal(username, password);
        }
        try {
            if (!_authenticator.authenticate(principal)) {
                throw new JMSSecurityException("Failed to authenticate user " +
                                               username);
            }
        } catch (ResourceException exception) {
            _log.error(exception, exception);
            throw new JMSSecurityException("Failed to authenticate user "
                                           + username);
        }

        return _factory.create();
    }

}
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