|
|
|
|
@ -0,0 +1,377 @@
|
|
|
|
|
package com.xydl.cac.util;
|
|
|
|
|
|
|
|
|
|
import java.io.IOException;
|
|
|
|
|
import java.math.BigInteger;
|
|
|
|
|
import java.net.Socket;
|
|
|
|
|
import java.util.ArrayList;
|
|
|
|
|
import java.util.Arrays;
|
|
|
|
|
import java.util.HashMap;
|
|
|
|
|
import java.util.Iterator;
|
|
|
|
|
import java.util.List;
|
|
|
|
|
import java.util.Map;
|
|
|
|
|
import java.util.concurrent.CopyOnWriteArrayList;
|
|
|
|
|
|
|
|
|
|
import org.springframework.util.StringUtils;
|
|
|
|
|
|
|
|
|
|
public class ByteUtil {
|
|
|
|
|
public static byte[] uintToBytes(long value) {
|
|
|
|
|
byte[] src = new byte[4];
|
|
|
|
|
src[3] = ((byte) (int) (value >> 24 & 0xFF));
|
|
|
|
|
src[2] = ((byte) (int) (value >> 16 & 0xFF));
|
|
|
|
|
src[1] = ((byte) (int) (value >> 8 & 0xFF));
|
|
|
|
|
src[0] = ((byte) (int) (value & 0xFF));
|
|
|
|
|
return src;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static byte[] uint16ToBytes(int value) {
|
|
|
|
|
byte[] src = new byte[2];
|
|
|
|
|
src[1] = ((byte) (value >> 8 & 0xFF));
|
|
|
|
|
src[0] = ((byte) (value & 0xFF));
|
|
|
|
|
return src;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static byte[] uint8ToBytes(short value) {
|
|
|
|
|
byte[] src = new byte[1];
|
|
|
|
|
src[0] = ((byte) (value & 0xFF));
|
|
|
|
|
return src;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* ascii 转 十六进制
|
|
|
|
|
*
|
|
|
|
|
* @param str
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static String convertStringToHex(String str) {
|
|
|
|
|
|
|
|
|
|
char[] chars = str.toCharArray();
|
|
|
|
|
|
|
|
|
|
StringBuffer hex = new StringBuffer();
|
|
|
|
|
for (int i = 0; i < chars.length; i++) {
|
|
|
|
|
hex.append(Integer.toHexString((int) chars[i]));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return hex.toString();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 十六进制转 ascii
|
|
|
|
|
*
|
|
|
|
|
* @param hex
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static String convertHexToString(String hex) {
|
|
|
|
|
|
|
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
|
StringBuilder temp = new StringBuilder();
|
|
|
|
|
|
|
|
|
|
// 49204c6f7665204a617661 split into two characters 49, 20, 4c...
|
|
|
|
|
for (int i = 0; i < hex.length() - 1; i += 2) {
|
|
|
|
|
|
|
|
|
|
// grab the hex in pairs
|
|
|
|
|
String output = hex.substring(i, (i + 2));
|
|
|
|
|
// convert hex to decimal
|
|
|
|
|
int decimal = Integer.parseInt(output, 16);
|
|
|
|
|
// convert the decimal to character
|
|
|
|
|
sb.append((char) decimal);
|
|
|
|
|
|
|
|
|
|
temp.append(decimal);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return sb.toString();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 十六进制字符串高低位互换
|
|
|
|
|
* <p>
|
|
|
|
|
* 如：12345678 -> 78563412
|
|
|
|
|
* 00 5f 8d c2
|
|
|
|
|
* c28d5f00
|
|
|
|
|
*
|
|
|
|
|
* @param str
|
|
|
|
|
* @return float
|
|
|
|
|
*/
|
|
|
|
|
public static float hexStrTofloat(String str) {
|
|
|
|
|
try {
|
|
|
|
|
String s = str.substring(6, 8) + str.substring(4, 6) + str.substring(2, 4) + str.substring(0, 2);
|
|
|
|
|
return Float.intBitsToFloat(new BigInteger(s, 16).intValue());
|
|
|
|
|
} catch (NumberFormatException e) {
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
System.err.println("errrrr..");
|
|
|
|
|
return 0L;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static float hexStrTofloat1(String str) {
|
|
|
|
|
try {
|
|
|
|
|
int i = Integer.parseInt(str, 16);
|
|
|
|
|
byte byte4 = (byte) (i & 0xff);
|
|
|
|
|
byte byte3 = (byte) ((i & 0xff00) >> 8);
|
|
|
|
|
byte byte2 = (byte) ((i & 0xff0000) >> 16);
|
|
|
|
|
byte byte1 = (byte) ((i & 0xff000000) >> 24); // 拼装成 "高字节在后，低字节在前"的格式
|
|
|
|
|
int realint = (byte1 & 0xff) << 0 | (byte2 & 0xff) << 8 | (byte3 & 0xff) << 16 | (byte4 & 0xff) << 24;
|
|
|
|
|
return Float.intBitsToFloat(realint);
|
|
|
|
|
} catch (NumberFormatException e) {
|
|
|
|
|
System.err.println("errrrr..");
|
|
|
|
|
return 0L;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static int bytesToInt(byte[] src, int startPos) {
|
|
|
|
|
if ((src == null) || (src.length <= 0) || (src.length < startPos + 4) || (startPos < 0)) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
int result = (int) ((src[(startPos + 3)] & 0xFF) * 16777216 + (src[(startPos + 2)] & 0xFF) * 65536L
|
|
|
|
|
+ (src[(startPos + 1)] & 0xFF) * 256L + (src[startPos] & 0xFF));
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static int bytesToIntHL(byte[] src, int startPos, int len) {
|
|
|
|
|
if ((src == null) || (src.length <= 0) || (src.length < startPos + len) || (startPos < 0)) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
int result = 0;
|
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
|
|
|
result += (int) ((src[(startPos + i)] & 0xFF) * (1 << (len - 1 - i) * 8));
|
|
|
|
|
}
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static void printHexString(byte[] b) {
|
|
|
|
|
for (int i = 0; i < b.length; i++) {
|
|
|
|
|
String hex = Integer.toHexString(b[i] & 0xFF);
|
|
|
|
|
if (hex.length() == 1) {
|
|
|
|
|
hex = '0' + hex;
|
|
|
|
|
}
|
|
|
|
|
System.out.print(hex.toUpperCase() + " ");
|
|
|
|
|
}
|
|
|
|
|
System.out.println();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 字节数组转为十六进制字符串
|
|
|
|
|
*
|
|
|
|
|
* @param src
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static String bytesToHexString(byte[] src) {
|
|
|
|
|
StringBuilder stringBuilder = new StringBuilder("");
|
|
|
|
|
if ((src == null) || (src.length <= 0)) {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
for (int i = 0; i < src.length; i++) {
|
|
|
|
|
int v = src[i] & 0xFF;
|
|
|
|
|
String hv = Integer.toHexString(v);
|
|
|
|
|
if (hv.length() < 2) {
|
|
|
|
|
stringBuilder.append(0);
|
|
|
|
|
}
|
|
|
|
|
stringBuilder.append(hv);
|
|
|
|
|
}
|
|
|
|
|
return stringBuilder.toString();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static String bytesToDecString(byte[] src) {
|
|
|
|
|
if ((src == null) || (src.length <= 0)) {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
int result = (int) ((src[3] & 0xFF) * 16777216 + (src[2] & 0xFF) * 65536L + (src[1] & 0xFF) * 256L
|
|
|
|
|
+ (src[0] & 0xFF));
|
|
|
|
|
return Integer.toString(result);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static String bytesToHexString(byte[] src, int len) {
|
|
|
|
|
StringBuilder stringBuilder = new StringBuilder("");
|
|
|
|
|
StringBuilder temp = new StringBuilder("");
|
|
|
|
|
if ((src == null) || (src.length <= 0)) {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
for (int i = 0; i < src.length; i++) {
|
|
|
|
|
int v = src[i] & 0xFF;
|
|
|
|
|
if (v != 0) {
|
|
|
|
|
String hv = Integer.toHexString(v);
|
|
|
|
|
StringBuilder temp1 = new StringBuilder("");
|
|
|
|
|
if (hv.length() < 2) {
|
|
|
|
|
temp1.append(0);
|
|
|
|
|
}
|
|
|
|
|
temp1.append(hv);
|
|
|
|
|
temp1.append(temp);
|
|
|
|
|
temp = temp1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (len / 2 > temp.length()) {
|
|
|
|
|
String result = temp.toString();
|
|
|
|
|
for (int k = 0; k < (len - result.length()) / 2; k++) {
|
|
|
|
|
stringBuilder.append("00");
|
|
|
|
|
}
|
|
|
|
|
stringBuilder.append(result);
|
|
|
|
|
} else {
|
|
|
|
|
stringBuilder = temp;
|
|
|
|
|
}
|
|
|
|
|
return stringBuilder.toString();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static String bytesToDecString(byte[] src, int len) {
|
|
|
|
|
if ((src == null) || (src.length <= 0)) {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
int result = (int) (src[3] * 16777216 + src[2] * 65536L + src[1] * 256L + src[0]);
|
|
|
|
|
String temp = Integer.toString(result);
|
|
|
|
|
if (temp.length() < len) {
|
|
|
|
|
StringBuilder finalString = new StringBuilder("");
|
|
|
|
|
for (int k = 0; k < len - temp.length(); k++) {
|
|
|
|
|
finalString.append(0);
|
|
|
|
|
}
|
|
|
|
|
finalString.append(result);
|
|
|
|
|
return finalString.toString();
|
|
|
|
|
}
|
|
|
|
|
return temp;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static float byte2float(byte[] b, int index) {
|
|
|
|
|
int l = b[(index + 0)];
|
|
|
|
|
l &= 0xFF;
|
|
|
|
|
l = (int) (l | b[(index + 1)] << 8);
|
|
|
|
|
l &= 0xFFFF;
|
|
|
|
|
l = (int) (l | b[(index + 2)] << 16);
|
|
|
|
|
l &= 0xFFFFFF;
|
|
|
|
|
l = (int) (l | b[(index + 3)] << 24);
|
|
|
|
|
return Float.intBitsToFloat(l);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static int ASCIIToInt(byte[] b, int len) {
|
|
|
|
|
int result = 0;
|
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
|
|
|
char temp = (char) b[i];
|
|
|
|
|
int i_temp;
|
|
|
|
|
switch (temp) {
|
|
|
|
|
case 'A':
|
|
|
|
|
i_temp = 10;
|
|
|
|
|
break;
|
|
|
|
|
case 'B':
|
|
|
|
|
i_temp = 11;
|
|
|
|
|
break;
|
|
|
|
|
case 'C':
|
|
|
|
|
i_temp = 12;
|
|
|
|
|
break;
|
|
|
|
|
case 'D':
|
|
|
|
|
i_temp = 13;
|
|
|
|
|
break;
|
|
|
|
|
case 'E':
|
|
|
|
|
i_temp = 14;
|
|
|
|
|
break;
|
|
|
|
|
case 'F':
|
|
|
|
|
i_temp = 15;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
i_temp = Integer.valueOf(temp).intValue();
|
|
|
|
|
}
|
|
|
|
|
result = i_temp + result * 16;
|
|
|
|
|
}
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public static String ASCIIToString(byte[] b, int len) {
|
|
|
|
|
String result = "";
|
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
|
|
|
result = result + (char) b[i];
|
|
|
|
|
}
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 将16进制字符串转换为byte[]
|
|
|
|
|
*
|
|
|
|
|
* @param str
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static byte[] toBytes(String str) {
|
|
|
|
|
if (str == null || str.trim().equals("")) {
|
|
|
|
|
return new byte[0];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
byte[] bytes = new byte[str.length() / 2];
|
|
|
|
|
for (int i = 0; i < str.length() / 2; i++) {
|
|
|
|
|
String subStr = str.substring(i * 2, i * 2 + 2);
|
|
|
|
|
bytes[i] = (byte) Integer.parseInt(subStr, 16);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return bytes;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 带符号的16进制字符串转float
|
|
|
|
|
*/
|
|
|
|
|
public static float SigneHexToFloat(String str) {
|
|
|
|
|
String s = str.substring(2, 4) + str.substring(0, 2);
|
|
|
|
|
float x = (float) Integer.valueOf(s, 16).shortValue();
|
|
|
|
|
return x;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 有符号16进制转10进制
|
|
|
|
|
*
|
|
|
|
|
* @param strHex
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static int signedHexToDec(String strHex) {
|
|
|
|
|
if (strHex.length() == 0) {
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
int x = 0;
|
|
|
|
|
//带符号十六进制转换十进制
|
|
|
|
|
String fristNum = strHex.substring(0, 1);
|
|
|
|
|
String hexStr2Byte = parseHexStr2Byte(fristNum);
|
|
|
|
|
String flag = hexStr2Byte.substring(0, 1);
|
|
|
|
|
if ("1".equals(flag)) {
|
|
|
|
|
StringBuffer sb = new StringBuffer();
|
|
|
|
|
for (int i = 0; i < strHex.length(); i++) {
|
|
|
|
|
String num = strHex.substring(i, i + 1);
|
|
|
|
|
int decNum = Integer.parseInt(num, 16);
|
|
|
|
|
int a = decNum ^ 15;
|
|
|
|
|
sb.append(intToHex(a));
|
|
|
|
|
}
|
|
|
|
|
x = -Integer.parseInt(sb.toString(), 16) - 1;
|
|
|
|
|
} else {
|
|
|
|
|
x = Integer.parseInt(strHex, 16);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return x;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//十进制转16进制
|
|
|
|
|
private static String intToHex(int n) {
|
|
|
|
|
StringBuffer s = new StringBuffer();
|
|
|
|
|
String a;
|
|
|
|
|
char[] b = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
|
|
|
|
|
while (n != 0) {
|
|
|
|
|
s = s.append(b[n % 16]);
|
|
|
|
|
n = n / 16;
|
|
|
|
|
}
|
|
|
|
|
a = s.reverse().toString();
|
|
|
|
|
return a;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 将16进制转换为二进制
|
|
|
|
|
*
|
|
|
|
|
* @param hexStr
|
|
|
|
|
* @return
|
|
|
|
|
*/
|
|
|
|
|
public static String parseHexStr2Byte(String hexStr) {
|
|
|
|
|
if (hexStr.length() == 0) {
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
int sint = Integer.valueOf(hexStr, 16);
|
|
|
|
|
//十进制在转换成二进制的字符串形式输出!
|
|
|
|
|
String bin = Integer.toBinaryString(sint);
|
|
|
|
|
for (int i = bin.length(); i < 4; i++) {
|
|
|
|
|
bin = "0" + bin;
|
|
|
|
|
}
|
|
|
|
|
return bin;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
