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• FeedFacebookPhoto.java

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com.google.code.facebookapi.FeedFacebookPhoto Maven / Gradle / Ivy

package com.google.code.facebookapi;

import java.net.URL;

/**
 * A simple Pair consisting of a Facebook Photos photo ID for an image appearing in a newsfeed/minifeed story and the destination URL for a click on that image.
 * 
 * @see IFacebookRestClient
 * @see IFacebookRestClient#photos_get
 * @see FacebookRestClient#handleFeedImages
 */
public class FeedFacebookPhoto extends Pair implements IFeedImage {

	/**
	 * Creates a linked Facebook Photos photo to appear in a user's newsfeed/minifeed.
	 * 
	 * @param photoId
	 *            the photo ID of a Facebook photo to appear in a user's newsfeed/minifeed
	 * @param link
	 *            the URL to which the image should link
	 * @see IFacebookRestClient#photos_get
	 * @see FacebookRestClient#handleFeedImages
	 */
	public FeedFacebookPhoto( Long photoId, URL link ) {
		super( photoId, link );
		if ( null == photoId || null == link ) {
			throw new IllegalArgumentException( "Both photoId and linkUrl should be provided" );
		}
		if ( 0L >= photoId ) {
			throw new IllegalArgumentException( "photoId should be a Facebook Photos ID > 0" );
		}
	}

	/**
	 * @return the Facebook Photos photo ID of the feed image
	 */
	public Object getPhotoId() {
		return getFirst();
	}

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

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

}