package com.easysocket.utils;
|
|
import java.math.BigInteger;
|
import java.util.Arrays;
|
import java.util.Collections;
|
import java.util.List;
|
|
/**
|
* Copyright (C), 2022,
|
* Author: zuo
|
* Date: 2022/3/9 14:55
|
* Description:
|
*/
|
public class HexUtil {
|
|
|
/**
|
* hex字符串转byte数组
|
*
|
* @param inHex 待转换的Hex字符串
|
* @return 转换后的byte数组结果
|
*/
|
public static byte[] hexToByteArray(String inHex) {
|
int hexlen = inHex.length();
|
byte[] result;
|
if (hexlen % 2 == 1) {
|
//奇数
|
hexlen++;
|
result = new byte[(hexlen / 2)];
|
inHex = "0" + inHex;
|
} else {
|
//偶数
|
result = new byte[(hexlen / 2)];
|
}
|
int j = 0;
|
for (int i = 0; i < hexlen; i += 2) {
|
result[j] = hexToByte(inHex.substring(i, i + 2));
|
j++;
|
}
|
return result;
|
}
|
|
|
/**
|
* Hex字符串转byte
|
*
|
* @param inHex 待转换的Hex字符串
|
* @return 转换后的byte
|
*/
|
public static byte hexToByte(String inHex) {
|
return (byte) Integer.parseInt(inHex, 16);
|
}
|
|
/**
|
* 字节转十六进制
|
*
|
* @param b 需要进行转换的byte字节
|
* @return 转换后的Hex字符串
|
*/
|
public static String byteToHex(byte b) {
|
String hex = Integer.toHexString(b & 0xFF);
|
if (hex.length() < 2) {
|
hex = "0" + hex;
|
}
|
return hex.toUpperCase();
|
}
|
|
|
/**
|
* 字节数组转16进制
|
*
|
* @param bytes 需要转换的byte数组
|
* @return 转换后的Hex字符串
|
*/
|
public static String bytesToHex(byte[] bytes) {
|
try {
|
StringBuffer sb = new StringBuffer();
|
for (int i = 0; i < bytes.length; i++) {
|
String hex = Integer.toHexString(bytes[i] & 0xFF);
|
if (hex.length() < 2) {
|
sb.append(0);
|
}
|
sb.append(hex);
|
}
|
return sb.toString();
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
return "";
|
}
|
|
public static String byteArrayToHexString(byte[] byteArray) {
|
StringBuilder hexString = new StringBuilder();
|
for (byte b : byteArray) {
|
// 将字节转换为无符号整数
|
int unsignedInt = b & 0xff;
|
// 将无符号整数转换为16进制字符串
|
String hex = Integer.toHexString(unsignedInt);
|
// 如果字符串长度小于2，在前面补0
|
if (hex.length() < 2) {
|
hex = "0" + hex;
|
}
|
hexString.append(hex);
|
}
|
return hexString.toString();
|
}
|
|
/**
|
* 字节数组转16进制 不在末尾添加0
|
*
|
* @param bytes 需要转换的byte数组
|
* @return 转换后的Hex字符串
|
*/
|
public static String bytesToHexNoAddZero(byte[] bytes) {
|
StringBuffer sb = new StringBuffer();
|
for (int i = 0; i < bytes.length; i++) {
|
String hex = Integer.toHexString(bytes[i] & 0xFF);
|
sb.append(hex);
|
}
|
return sb.toString();
|
}
|
|
|
/**
|
* 将 4字节的16进制字符串，转换为32位带符号的十进制浮点型
|
*
|
* @param str 4字节 16进制字符
|
* @return
|
*/
|
public static float hexToFloat(String str) {
|
return Float.intBitsToFloat(new BigInteger(str, 16).intValue());
|
}
|
|
/**
|
* 将带符号的32位浮点数装换为16进制
|
*
|
* @param value
|
* @return
|
*/
|
public static String folatToHexString(Float value) {
|
return Integer.toHexString(Float.floatToIntBits(value));
|
}
|
|
/**
|
* 十进制转16进制
|
*
|
* @param number
|
* @return
|
*/
|
public static String get10to16(int number) {
|
return Integer.toHexString(number);
|
}
|
|
/**
|
* 十进制转16进制 补齐偶数 高位在前低位在后
|
*
|
* @param number
|
* @return
|
*/
|
public static String get10to16CompleteHex(int number) {
|
String hex = Integer.toHexString(number);
|
if (hex.length() % 2 == 0) {
|
return hex;
|
} else {
|
return "0" + hex;
|
}
|
}
|
|
/**
|
* 十进制转16进制低位在前高位在后
|
*
|
* @param number 十进制数
|
* @param length 补足多少位
|
* @return
|
*/
|
public static String get10to16LowHigh(int number, int length) {
|
String str = "";
|
try {
|
str = Integer.toHexString(number);
|
str = getHexToLenght(str, length);
|
str = spaceHex(str);
|
str = HighLowHex(str);
|
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
return str;
|
}
|
|
/**
|
* 16进制转10进制高低位转换
|
*
|
* @param hex
|
* @return
|
*/
|
public static int get16to10LowHigh(String hex) {
|
try {
|
String str = "";
|
str = spaceHex(hex);
|
str = HighLowHex(str);
|
return Integer.parseInt(str, 16);
|
} catch (NumberFormatException e) {
|
e.printStackTrace();
|
}
|
return 0;
|
}
|
|
|
/**
|
* 返回特定长度的16进制字符串
|
*
|
* @param data
|
* @param length
|
* @return
|
*/
|
public static String getHexToLenght(String data, int length) {
|
StringBuffer stringBuilder = new StringBuffer(data);
|
for (int i = 0; i < length - data.length(); i++) {
|
stringBuilder.insert(0, "0");
|
}
|
return stringBuilder.toString();
|
}
|
|
/**
|
* 十六进制数隔空位
|
*
|
* @param str
|
* @return
|
*/
|
public static String spaceHex(String str) {
|
char[] array = str.toCharArray();
|
if (str.length() <= 2) return str;
|
StringBuffer bufferHex = new StringBuffer();
|
for (int i = 0; i < array.length; i++) {
|
int start = i + 1;
|
if (start % 2 == 0) {
|
bufferHex.append(array[i]).append(" ");
|
} else {
|
bufferHex.append(array[i]);
|
}
|
}
|
return bufferHex.toString();
|
}
|
|
/**
|
* 高位16进制转低位
|
*
|
* @param str
|
* @return
|
*/
|
private static String HighLowHex(String str) {
|
if (str.trim().length() <= 2) return str;
|
List<String> list = Arrays.asList(str.split(" "));
|
Collections.reverse(list);
|
StringBuffer stringBuffer = new StringBuffer();
|
for (String string : list) {
|
stringBuffer.append(string);
|
}
|
return stringBuffer.toString();
|
}
|
|
/**
|
* @param hex
|
* @return
|
*/
|
public static int get16to10(String hex) {
|
int x = 0;
|
try {
|
x = Integer.parseInt(hex, 16);
|
} catch (NumberFormatException e) {
|
e.printStackTrace();
|
}
|
return x;
|
}
|
}
|
