tcpsmanagedconnection.java

来自「OpenJMS是一个开源的Java Message Service API 1.」· Java 代码 · 共 133 行

/**
 * Redistribution and use of this software and associated documentation
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 *
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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.
 *
 * 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,
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 2003-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
 *
 * $Id: TCPSManagedConnection.java,v 1.7 2006/12/16 12:37:17 tanderson Exp $
 */
package org.exolab.jms.net.tcp;

import java.io.IOException;
import java.net.Socket;
import java.security.Principal;
import javax.net.SocketFactory;
import javax.net.ssl.SSLSocketFactory;

import org.exolab.jms.net.connector.Authenticator;
import org.exolab.jms.net.connector.ResourceException;
import org.exolab.jms.net.socket.SocketManagedConnection;
import org.exolab.jms.net.socket.SocketRequestInfo;
import org.exolab.jms.net.uri.URI;
import org.exolab.jms.net.util.SSLHelper;


/**
 * <code>TCPSManagedConnection</code> manages multiple <code>Connection</code>
 * instances over a single SSL socket.
 *
 * @author <a href="mailto:[e-mail]">Tim Anderson</a>
 * @version $Revision: 1.7 $ $Date: 2006/12/16 12:37:17 $
 */
class TCPSManagedConnection extends SocketManagedConnection {

    /**
     * Construct a new client <code>TCPSManagedConnection</code>.
     *
     * @param principal the security principal
     * @param info      the connection request info
     * @throws ResourceException if a socket cannot be created
     */
    public TCPSManagedConnection(Principal principal, TCPSRequestInfo info)
            throws ResourceException {
        super(principal, info);
    }

    /**
     * Construct a new server <code>TCPSManagedConnection</code>.
     *
     * @param uri           the URI the acceptor was listening on
     * @param socket        the tcp socket
     * @param authenticator the connection authenticator
     * @throws ResourceException if an error occurs accessing the socket
     */
    public TCPSManagedConnection(URI uri, Socket socket,
                                 Authenticator authenticator)
            throws ResourceException {
        super(uri, socket, authenticator);
    }

    /**
     * Creates a new socket.
     *
     * @param info the connection request info
     * @return a new socket
     * @throws ResourceException if a socket can't be created
     */
    protected Socket createSocket(SocketRequestInfo info)
            throws ResourceException {
        TCPSRequestInfo config = (TCPSRequestInfo) info;
        if (config.getSSLProperties() != null) {
            try {
                SSLHelper.configure(config.getSSLProperties());
            } catch (SecurityException exception) {
                throw new ResourceException(exception);
            }
        }
        return super.createSocket(info);
    }

    /**
     * Creates a new socket.
     *
     * @param host the host to connect to
     * @param port the port to connect to
     * @return a new socket
     * @throws IOException for any I/O error
     * @throws SecurityException if permission is denied
     */
    protected Socket createSocket(String host, int port) throws IOException {
        SocketFactory factory = SSLSocketFactory.getDefault();
        Socket socket = factory.createSocket(host, port);
        socket.setTcpNoDelay(true);
        return socket;
    }

}