Simple sample source code to hash and encode the hashed value using Base4 or HEX

Simple sample source code to hash and encode the hashed value using Base4 or HEX

 import java.io.UnsupportedEncodingException;  
 import java.security.MessageDigest;  
 import java.security.NoSuchAlgorithmException;  
 import org.apache.commons.codec.binary.Base64;  
 import org.apache.commons.codec.binary.Hex;  
 public class TestMessageDigest {  
   /**  
    * @param args  
    */  
   public static void main(String[] args) {  
     TestMessageDigest test = null;  
     String rawPass = "passwordInClearTxt";  
     String encodedPass = null;  
     test = new TestMessageDigest( "SHA-256", true );  
     encodedPass = test.encodePassword( rawPass );  
     System.out.println( encodedPass );  
     test = new TestMessageDigest( "SHA-256", false );  
     encodedPass = test.encodePassword( rawPass );  
     System.out.println( encodedPass );  
     test = new TestMessageDigest( "SHA-512", true );  
     encodedPass = test.encodePassword( rawPass );  
     System.out.println( encodedPass );  
     test = new TestMessageDigest( "SHA-512", false );  
     encodedPass = test.encodePassword( rawPass );  
     System.out.println( encodedPass );  
   }  
   private TestMessageDigest(String algorithm, boolean encodeHashAsBase64) {  
     super( );  
     this.algorithm = algorithm;  
     this.encodeHashAsBase64 = encodeHashAsBase64;  
   }  
   private String algorithm;  
   private boolean encodeHashAsBase64 = false;  
   public String encodePassword(String rawPass) {  
     MessageDigest messageDigest = getMessageDigest( );  
     byte[] digest;  
     try {  
       digest = messageDigest.digest( rawPass.getBytes( "UTF-8" ) );  
     } catch ( UnsupportedEncodingException e ) {  
       throw new IllegalStateException( "UTF-8 not supported!" );  
     }  
     if ( encodeHashAsBase64 ) {  
       return new String( Base64.encodeBase64( digest ) );  
     } else {  
       return new String( Hex.encodeHex( digest ) );  
     }  
   }  
   protected final MessageDigest getMessageDigest()  
       throws IllegalArgumentException {  
     try {  
       return MessageDigest.getInstance( algorithm );  
     } catch ( NoSuchAlgorithmException e ) {  
       throw new IllegalArgumentException( "No such algorithm ["  
           + algorithm + "]" );  
     }  
   }  
 }