hexencode.java

MM7彩信对接网关示例

/*
 *
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package com.rainbow.mms.golden.base;

public class HexEncode {
	static private char[] HexChars = { '0', '1', '2', '3', '4', '5', '6', '7',
			'8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

	static public String byteArrayToHexString(byte b[]) {
		char[] data = byteArrayToHexChars(b);
		if (data == null) {
			return null;
		}
		return new String(data);
	}

	static public char[] byteArrayToHexChars(byte b[]) {
		
		if (b == null || b.length == 0) {
			return null;
		}

		char[] result = new char[b.length * 2];
		for (int i = 0, j = 0; i < b.length; i++) {
			result[j] = HexChars[b[i] >> 4 & 0x0F];
			result[j + 1] = HexChars[b[i] & 0x0F];
			j = j + 2;
		}
		return result;
	}
}