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GridFTP is a high-performance, secure, reliable data transfer protocol optimized for high-bandwidth wide-area networks. The GridFTP protocol is based on FTP, the highly-popular Internet file transfer protocol. We have selected a set of protocol features and extensions defined already in IETF RFCs and added a few additional features to meet requirements from current data grid projects. This GRIDFTP libary and client is based on JAVA.

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/*
 * Copyright 1999-2006 University of Chicago
 * 
 * Licensed 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.globus.ftp.dc;

import java.io.IOException;
import java.net.Socket;

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

public class SimpleSocketBox implements SocketBox {

    private static Log logger = 
        LogFactory.getLog(SimpleSocketBox.class.getName());
    
    protected Socket socket;
    
    /**
     * @see org.globus.ftp.dc.SocketBox#setSocket(Socket)
     */
    public void setSocket(Socket newSocket) {
        if (newSocket == null) {
            logger.debug("Setting socket to null");
            closeSocket();
        } else {
            logger.debug("Setting socket");
        }
        this.socket = newSocket;
    }
    
    public Socket getSocket() {
        return this.socket;
    }

    private void closeSocket() {
        if (this.socket != null) {
            try { this.socket.close(); } catch (IOException e) {}
        }
    }

}