001/**
002 * Copyright 2011 The University of Southampton, Yahoo Inc., and the
003 * individual contributors. All rights reserved.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *    http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.openimaj.web.scraping.images;
018
019import java.net.URL;
020import java.util.ArrayList;
021import java.util.List;
022
023import org.openimaj.web.scraping.SiteSpecificConsumer;
024import org.openimaj.web.scraping.images.ImgurClient.ImageResponse;
025
026/**
027 * Downloads images hosted on imgur.com using their API
028 * 
029 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
030 * 
031 */
032public class ImgurConsumer implements SiteSpecificConsumer {
033
034        private ImgurClient client;
035
036        /**
037         * initialise the {@link ImgurClient} instance
038         */
039        public ImgurConsumer() {
040                this.client = new ImgurClient();
041        }
042
043        @Override
044        public boolean canConsume(URL url) {
045
046                return url.getHost().contains("imgur");
047        }
048
049        @Override
050        public List<URL> consume(URL url) {
051                try {
052                        List<ImageResponse> imageJSON = null;
053                        final List<URL> ret = new ArrayList<URL>();
054                        imageJSON = client.getImages(ImgurClient.imgurURLtoHash(url));
055                        for (final ImageResponse imageResponse : imageJSON) {
056                                final URL link = imageResponse.getOriginalLink();
057                                ret.add(link);
058                        }
059                        return ret;
060                } catch (final Exception e) {
061                        return null;
062                }
063        }
064}