com.revolucion.secretwit.stego.URLSteganography.java Source code

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Here is the source code for com.revolucion.secretwit.stego.URLSteganography.java

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/*******************************************************************************
 * Copyright (c) 2011 Zeljko Zirikovic.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GPL which 
 * accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 ******************************************************************************/
package com.revolucion.secretwit.stego;

import java.io.UnsupportedEncodingException;

import org.apache.commons.codec.binary.Base64;

public class URLSteganography {

    private static final String DEFAULT_CHARSET = "ISO-8859-1";

    public static final String TWITPIC_URL = "http://twitpic.com/";
    public static final String BITLY_URL = "http://bit.ly/";

    private URLSteganography() {
    }

    public static String makePictureLink(String text) {
        return TWITPIC_URL + encode(text);
    }

    public static String makeUrlLink(String text) {
        return BITLY_URL + encode(text);
    }

    public static String encode(String text) {
        try {
            return new String(Base64.encodeBase64(text.getBytes(DEFAULT_CHARSET), false, true, 10));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

        return null;
    }

    public static String decode(String text) {
        try {
            return new String(Base64.decodeBase64(text), DEFAULT_CHARSET);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

        return null;
    }
}