YouTubePublicationServiceRemoteImpl.java

/**
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community License, Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License
 * at:
 *
 *   http://opensource.org/licenses/ecl2.txt
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations under
 * the License.
 *
 */

package org.opencastproject.publication.youtube.remote;

import org.opencastproject.job.api.Job;
import org.opencastproject.job.api.JobParser;
import org.opencastproject.mediapackage.MediaPackage;
import org.opencastproject.mediapackage.MediaPackageParser;
import org.opencastproject.mediapackage.Track;
import org.opencastproject.publication.api.PublicationException;
import org.opencastproject.publication.api.YouTubePublicationService;
import org.opencastproject.serviceregistry.api.RemoteBase;

import org.apache.http.HttpResponse;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.message.BasicNameValuePair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;

/**
 * A remote youtube service invoker.
 */
public class YouTubePublicationServiceRemoteImpl extends RemoteBase implements YouTubePublicationService {

  /** The logger */
  private static final Logger logger = LoggerFactory.getLogger(YouTubePublicationServiceRemoteImpl.class);

  public YouTubePublicationServiceRemoteImpl() {
    super(JOB_TYPE);
  }

  @Override
  public Job publish(MediaPackage mediaPackage, Track track) throws PublicationException {
    final String trackId = track.getIdentifier();
    List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();
    params.add(new BasicNameValuePair("mediapackage", MediaPackageParser.getAsXml(mediaPackage)));
    params.add(new BasicNameValuePair("elementId", trackId));
    HttpPost post = new HttpPost();
    HttpResponse response = null;
    try {
      post.setEntity(new UrlEncodedFormEntity(params));
      response = getResponse(post);
      if (response != null) {
        logger.info("Publishing {} to youtube", trackId);
        return JobParser.parseJob(response.getEntity().getContent());
      }
    } catch (Exception e) {
      throw new PublicationException("Unable to publish track " + trackId + " from mediapackage "
              + mediaPackage + " using a remote youtube publication service", e);
    } finally {
      closeConnection(response);
    }
    throw new PublicationException("Unable to publish track " + trackId + " from mediapackage "
            + mediaPackage + " using a remote youtube publication service");
  }

  @Override
  public Job retract(MediaPackage mediaPackage) throws PublicationException {
    List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();
    params.add(new BasicNameValuePair("mediapackage", MediaPackageParser.getAsXml(mediaPackage)));
    HttpPost post = new HttpPost("/retract");
    HttpResponse response = null;
    try {
      post.setEntity(new UrlEncodedFormEntity(params));
      response = getResponse(post);
      if (response != null) {
        logger.info("Retracting {} from youtube", mediaPackage);
        return JobParser.parseJob(response.getEntity().getContent());
      }
    } catch (Exception e) {
      throw new PublicationException("Unable to retract mediapackage " + mediaPackage
              + " using a remote youtube publication service", e);
    } finally {
      closeConnection(response);
    }
    throw new PublicationException("Unable to retract mediapackage " + mediaPackage
            + " using a remote youtube publication service");
  }

}