在tcp/ip协议中以BigEndian方式的编码与解码

package com.tcpip;

/**
 * 在tcp/ip协议中以BigEndian方式的编码与解码
 * @author 
 *
 */
public class BruteForceCoding {
	private static byte byteVal = 101;
	private static short shortVal = 10001;
	private static int intVal = 100000001;
	private static long longVal = 1000000000001L;
	
	private final static int BSIZE = Byte.SIZE;
	private final static int SSIZE = Short.SIZE;
	private final static int ISIZE = Integer.SIZE;
	private final static int LSIZE = Long.SIZE;
	
	private final static int BYTEMASK = 0xFF;
	
	public static String byteArrayToDecimalString(byte[] bArray){
		StringBuilder rtn = new StringBuilder();
		for(byte b:bArray){
			rtn.append(b&BYTEMASK).append(" ");
		}
		return rtn.toString();
	}
	
	/**
	 * 对val进行编码
	 * @param dst 源字节数组
	 * @param val 需要编码的long值
	 * @param offset 编码起始的偏移量
	 * @param size	编码的位数
	 * @return
	 */
	public static int encodeIntBigEndian(byte[] dst,long val,int offset,int size){
		for(int i=0;i> ((size-i-1)*Byte.SIZE));
		}
		return offset;
	}
	
	/**
	 * 对字节数组val进行解码
	 * @param val 源字节数组
	 * @param offset 解码起始的偏移量
	 * @param size 解码的位数
	 * @return
	 */
	public static long decodeIntBigEndian(byte[] val,int offset,int size){
		long rtn = 0;
		for(int i=0;i

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