package com.terra.proxy.util;

public class CrpUtil {
	

    private static char[] codes={'a','b','c','d','e','f','g','h','i','j','h'};

    
    public static String encode(Integer num){
    	String temp= num.toString();
    	char[] b=temp.toCharArray();
    	StringBuilder sb=new StringBuilder();
    	for (int i = 0; i < b.length; i++) {
    		 int t= b[i]-'0';
			sb.append(codes[t]);
		}
    	
    	return sb.toString();
    }

    
    public static Integer decode(String str){
    	
    	char[] b=str.toCharArray();
    	StringBuilder sb=new StringBuilder();
    	for (int i = 0; i < b.length; i++) {
    	     for(int j=0; j< codes.length;j++ ){
    	    	 if(b[i]==codes[j]){
    	    		 sb.append(j);
    	    	 }
    	     }
    	       
		}
    	
    	return Integer.valueOf(sb.toString());
    }

}