streamportitem.java

snmp zip 包开发snmp协议

// NAME
//      $RCSfile: StreamPortItem.java,v $
// DESCRIPTION
//      [given below in javadoc format]
// DELTA
//      $Revision: 1.4 $
// CREATED
//      $Date: 2006/02/09 14:14:50 $
// COPYRIGHT
//      Westhawk Ltd
// TO DO
//

/*
 * Copyright (C) 2005 - 2006 by Westhawk Ltd
 * <a href="www.westhawk.co.uk">www.westhawk.co.uk</a>
 *
 * Permission to use, copy, modify, and distribute this software
 * for any purpose and without fee is hereby granted, provided
 * that the above copyright notices appear in all copies and that
 * both the copyright notice and this permission notice appear in
 * supporting documentation.
 * This software is provided "as is" without express or implied
 * warranty.
 * author <a href="mailto:[e-mail]">Tim Panton</a>
 */

package uk.co.westhawk.snmp.net;

import java.io.*;

/**
 * This is a holder class that associates the incoming packet stream
 * with the remote port it came from.
 *
 * @since 4_14
 * @author <a href="mailto:[e-mail]">Birgit Arkesteijn</a>
 * @version $Revision: 1.4 $ $Date: 2006/02/09 14:14:50 $
 */
public class StreamPortItem 
{
    static final String     version_id =
        "@(#)$Id: StreamPortItem.java,v 1.4 2006/02/09 14:14:50 birgit Exp $ Copyright Westhawk Ltd";

    private String                hostAddress;
    private int                   port;
    private ByteArrayInputStream  stream;

/**
 * Constructor.
 *
 * @param address The host address
 * @param newPort The remote port number 
 * @param in      The incoming message
 */
public StreamPortItem(String address, int newPort, ByteArrayInputStream in)
{
    hostAddress = address;
    port = newPort;
    stream = in;
}

/**
 * Returns the host addres where the message came from.
 *
 * @return The host address
 */
public String getHostAddress()
{
    return hostAddress;
}

/**
 * Returns the remote port where the message came from.
 *
 * @return The remote port number
 */
public int getHostPort()
{
    return port;
}

/**
 * Returns incoming message (or a copy of it).
 *
 * @return The message
 */
public ByteArrayInputStream getStream()
{
    return stream;
}

/**
 * Returns the string representation.
 *
 * @return The string
 */
public String toString()
{
    StringBuffer buffer = new StringBuffer(getClass().getName());
    buffer.append("[");
    buffer.append("hostAddress=").append(hostAddress);
    buffer.append(", hostPort=").append(port);
    buffer.append(", #bytes=").append(stream.available());
    buffer.append("]");
    return buffer.toString();
}

}