/*
  +---------------------------------------------------------------------------+
  | Facebook Development Platform Java Client                                 |
  +---------------------------------------------------------------------------+
  | Copyright (c) 2007 Facebook, Inc.                                         |
  | All rights reserved.                                                      |
  |                                                                           |
  | Redistribution and use in source and binary forms, with or without        |
  | modification, are permitted provided that the following conditions        |
  | are met:                                                                  |
  |                                                                           |
  | 1. Redistributions of source code must retain the above copyright         |
  |    notice, this list of conditions and the following disclaimer.          |
  | 2. Redistributions in binary form must reproduce the above copyright      |
  |    notice, this list of conditions and the following disclaimer in the    |
  |    documentation and/or other materials provided with the distribution.   |
  |                                                                           |
  | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR      |
  | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
  | OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   |
  | IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,          |
  | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  |
  | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
  | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY     |
  | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT       |
  | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF  |
  | THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         |
  +---------------------------------------------------------------------------+
  | For help with this library, contact developers-help@facebook.com          |
  +---------------------------------------------------------------------------+
 */
package com.facebook.api;

import java.net.URL;

/**
 * A simple Pair of URLs for an image appearing in 
 * a newsfeed/minifeed story and the optional destination URL for a click
 * on that image.
 * 
 * @see IFacebookRestClient
 */
public class FeedImage extends Pair<URL, URL> {
    /**
     * Constructor for a feed image with no associated hyperlink.
     * 
     * @param image the URL of the image to display.
     */
    public FeedImage(URL image) {
        super(image, null);
    }

    /**
     * Constructor for a feed image with an associated hyperlink.
     * 
     * @param image the URL of the image to display.
     * @param link the url to link to when the image is clicked.
     */
    public FeedImage(URL image, URL link) {
        super(image, link);
    }

    /**
     * @return the URL of the image to display.
     */
    public URL getImageUrl() {
        return getFirst();
    }

    /**
     * @return the URL of the link that will be opened when the image is clicked.
     */
    public URL getLinkUrl() {
        return getSecond();
    }
}