dump.java

nesC写的heed算法

// $Id: Dump.java,v 1.2.4.3 2003/08/26 09:08:10 cssharp Exp $

/*									tab:4
 * "Copyright (c) 2000-2003 The Regents of the University  of California.  
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written agreement is
 * hereby granted, provided that the above copyright notice, the following
 * two paragraphs and the author appear in all copies of this software.
 * 
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
 *
 * Copyright (c) 2002-2003 Intel Corporation
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE     
 * file. If you do not find these files, copies can be found by writing to
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA, 
 * 94704.  Attention:  Intel License Inquiry.
 */
/* Authors:  David Gay  <[e-mail]>
 *           Intel Research Berkeley Lab
 *
 */

/**
 * @author David Gay <[e-mail]>
 * @author Intel Research Berkeley Lab
 */

package net.tinyos.message;

import java.io.*;

/**
 * Dump class (print tinyos messages).<p>
 *
 * Print packets in hex
 *
 * @version	1, 15 Jul 2002
 * @author	David Gay
 */
public class Dump {
    public static void printByte(PrintStream p, int b) {
	String bs = Integer.toHexString(b & 0xff).toUpperCase();
	if (b >=0 && b < 16)
	    p.print("0");
	p.print(bs + " ");
    }

    public static void printPacket(PrintStream p, byte[] packet, int from, int count) {
	for (int i = from; i < count; i++)
	    printByte(p, packet[i]);
    }

    public static void printPacket(PrintStream p, byte[] packet) {
	printPacket(p, packet, 0, packet.length);
    }

    public static void dump(PrintStream to, String prefix, byte[] data) {
	to.print(prefix);
	to.print(":");
	printPacket(to, data);
	to.println();
    }

    public static void dump(String prefix, byte[] packet) {
	dump(System.err, prefix, packet);
    }
}