/**
* 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.distribution.acl.remote;
import org.opencastproject.distribution.api.DistributionException;
import org.opencastproject.distribution.api.DistributionService;
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.serviceregistry.api.RemoteBase;
import org.opencastproject.util.OsgiUtil;
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.osgi.service.component.ComponentContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.List;
/**
* A remote distribution service invoker.
*/
public class ACLDistributionServiceRemoteImpl extends RemoteBase implements DistributionService {
/** The logger */
private static final Logger logger = LoggerFactory.getLogger(ACLDistributionServiceRemoteImpl.class);
/** The distribution channel identifier */
protected String distributionChannel;
public ACLDistributionServiceRemoteImpl() {
// the service type is not available at construction time. we need to wait for activation to set this value
super("waiting for activation");
}
/** activates the component */
protected void activate(ComponentContext cc) {
this.distributionChannel = OsgiUtil.getComponentContextProperty(cc, CONFIG_KEY_STORE_TYPE);
super.serviceType = JOB_TYPE_PREFIX + this.distributionChannel;
}
public String getDistributionType() {
return this.distributionChannel;
}
@Override
public Job distribute(String channelId, MediaPackage mediaPackage, String elementId) throws DistributionException {
List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();
params.add(new BasicNameValuePair("mediapackage", MediaPackageParser.getAsXml(mediaPackage)));
params.add(new BasicNameValuePair("elementId", elementId));
params.add(new BasicNameValuePair("channelId", channelId));
HttpPost post = new HttpPost();
HttpResponse response = null;
try {
post.setEntity(new UrlEncodedFormEntity(params));
response = getResponse(post);
if (response != null) {
logger.info("Distributing {} to {}", elementId, distributionChannel);
try {
return JobParser.parseJob(response.getEntity().getContent());
} catch (Exception e) {
throw new DistributionException("Unable to distribute mediapackage '" + elementId
+ "' using a remote distribution service", e);
}
}
} catch (Exception e) {
throw new DistributionException("Unable to distribute mediapackage " + elementId
+ " using a remote distribution service proxy.", e);
} finally {
closeConnection(response);
}
throw new DistributionException("Unable to distribute mediapackage " + elementId
+ " using a remote distribution service proxy.");
}
@Override
public Job retract(String channelId, MediaPackage mediaPackage, String elementId) throws DistributionException {
List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();
params.add(new BasicNameValuePair("mediapackage", MediaPackageParser.getAsXml(mediaPackage)));
params.add(new BasicNameValuePair("elementId", elementId));
params.add(new BasicNameValuePair("channelId", channelId));
HttpPost post = new HttpPost("/retract");
HttpResponse response = null;
try {
post.setEntity(new UrlEncodedFormEntity(params));
response = getResponse(post);
if (response != null) {
logger.info("Retracting {} from {}", mediaPackage, distributionChannel);
try {
return JobParser.parseJob(response.getEntity().getContent());
} catch (Exception e) {
throw new DistributionException("Unable to retract mediapackage '" + mediaPackage
+ "' using a remote distribution service", e);
}
}
} catch (Exception e) {
throw new DistributionException("Unable to retract mediapackage " + elementId
+ " using a remote distribution service proxy.", e);
} finally {
closeConnection(response);
}
throw new DistributionException("Unable to retract mediapackage " + mediaPackage
+ " using a remote distribution service proxy");
}
}