content: package com.soecode.wxtools.util;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  public class EmojiUtil {
  	public static String resolveToByteFromEmoji(String str) {
  		Pattern pattern = Pattern
  				.compile("[^(\u2E80-\u9FFF\\w\\s`~!@#\\$%\\^&\\*\\(\\)_+-？（）�?��??=\\[\\]{}\\|;。，、�?��?��?�：；�?�！…�?��??:‘\"<,>\\.?/\\\\*)]");
  		Matcher matcher = pattern.matcher(str);
  		StringBuffer sb2 = new StringBuffer();
  		while (matcher.find()) {
  			matcher.appendReplacement(sb2, resolveToByte(matcher.group(0)));
  		}
  		matcher.appendTail(sb2);
  		return sb2.toString();
  	}
  
  	public static String resolveToEmojiFromByte(String str) {
  		Pattern pattern2 = Pattern.compile("<:([[-]\\d*[,]]+):>");
  		Matcher matcher2 = pattern2.matcher(str);
  		StringBuffer sb3 = new StringBuffer();
  		while (matcher2.find()) {
  			matcher2.appendReplacement(sb3, resolveToEmoji(matcher2.group(0)));
  		}
  		matcher2.appendTail(sb3);
  		return sb3.toString();
  	} 
  
  	private static String resolveToByte(String str) {
  		byte[] b = str.getBytes();
  		StringBuffer sb = new StringBuffer();
  		sb.append("<:");
  		for (int i = 0; i < b.length; i++) {
  			if (i < b.length - 1) {
  				sb.append(Byte.valueOf(b[i]).toString() + ",");
  			} else {
  				sb.append(Byte.valueOf(b[i]).toString());
  			}
  		}
  		sb.append(":>");
  		return sb.toString();
  	}
  
  	private static String resolveToEmoji(String str) {
  		str = str.replaceAll("<:", "").replaceAll(":>", "");
  		String[] s = str.split(",");
  		byte[] b = new byte[s.length];
  		for (int i = 0; i < s.length; i++) {
  			b[i] = Byte.valueOf(s[i]);
  		}
  		return new String(b);
  	}
  }
  