LogUtils.java
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package com.example.mina.server.util;
public class LogUtils {
public static String toHexString(byte b){
String s = Integer.toHexString(b);
if(s.length() > 2){
s = s.substring(s.length() - 2);
}
s = "0x" +s.toUpperCase();
return s;
}
public static String toHexString(byte[] b) {
if(b == null ) return "";
StringBuilder s = new StringBuilder();
for(int i = 0; i < b.length; i++){
s.append(toHexString(b[i])).append(" ");
}
return s.toString();
}
public static String toHexString(byte[] b, int len) {
if(b == null) return "";
int min = Math.min(len, b.length);
StringBuilder s = new StringBuilder();
for(int i = 0; i < min; i++){
s.append(toHexString(b[i])).append(" ");
}
return s.toString();
}
public static void println(String s) {
System.out.println(s);
}
public static void println(String s, String s2) {
System.out.println(s + s2);
}
public static void println(String title, byte[] bs) {
System.out.println(title + toHexString(bs));
}
public static void println(String title, byte[] bs, int len) {
System.out.println(title + toHexString(bs, len));
}
public static void printLTEcmd(byte[] bs, int len) {
for (int i = 0; i < len; i++) {
System.out.print((char)bs[i]);
}
System.out.println();
}
}