Generates a hash code for a given source code. : Hash Code « Development Class « Java

Generates a hash code for a given source code.


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//package org.opentides.util;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Random;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class StringUtil {

  private static Random random = new Random((new Date()).getTime());
     * Generates a hash code for a given source code. 
     * This method ignores whitespace in generating the hash code.
     * @param source
     * @return
  public static String hashSourceCode(String source) {  
    MessageDigest md;
    try {
      md = MessageDigest.getInstance("MD5");
      return new sun.misc.BASE64Encoder().encode(md.digest());
    } catch (NoSuchAlgorithmException e) {
      //_log.error("Failed to generate hashcode.", e);
    return null;


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