feedimage.java

来自「FACEBOOK上」· Java 代码 · 共 81 行

/*
  +---------------------------------------------------------------------------+
  | Facebook Development Platform Java Client                                 |
  +---------------------------------------------------------------------------+
  | Copyright (c) 2007 Facebook, Inc.                                         |
  | All rights reserved.                                                      |
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  | Redistribution and use in source and binary forms, with or without        |
  | modification, are permitted provided that the following conditions        |
  | are met:                                                                  |
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  | 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     |
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  | THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         |
  +---------------------------------------------------------------------------+
  | For help with this library, contact [e-mail]          |
  +---------------------------------------------------------------------------+
 */
package com.facebook.api;

import java.net.URL;

/**
 * A simple Pair of URLs for an image appearing in 
 * a newsfeed/minifeed story and the destination URL for a click
 * on that image.
 * 
 * @see IFacebookRestClient
 */
public class FeedImage extends Pair<URL, URL>
  implements IFeedImage {
  /**
   * Creates an image to appear in a user's newsfeed/minifeed.
   * This image will be shrunk to fit within 75x75, cached, and formatted by Facebook.
   * 
   * @param image the URL of an image to appear in a user's newsfeed/
   * @param link the link URL to which the image should link
   */
  public FeedImage(URL image, URL link) {
    super(image, link);
    if (null == image || null == link) {
      throw new IllegalArgumentException("both image and link URLs are required");
    }
  }

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

  /**
   * @return the String representation of the image URL
   */
  public String getImageUrlString() {
    return getImageUrl().toString();
  }

  /**
   * @return the link URL to which the feed image should link
   */
  public URL getLinkUrl() {
    return getSecond();
  }
  
}