org.opencastproject.publication.oaipmh.remote.OaiPmhPublicationServiceRemoteImpl Maven / Gradle / Ivy
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* 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.oaipmh.remote;
import static java.lang.String.format;
import static java.nio.charset.StandardCharsets.UTF_8;
import org.opencastproject.job.api.Job;
import org.opencastproject.job.api.JobParser;
import org.opencastproject.mediapackage.MediaPackage;
import org.opencastproject.mediapackage.MediaPackageElement;
import org.opencastproject.mediapackage.MediaPackageElementFlavor;
import org.opencastproject.mediapackage.MediaPackageElementParser;
import org.opencastproject.mediapackage.MediaPackageException;
import org.opencastproject.mediapackage.MediaPackageParser;
import org.opencastproject.mediapackage.Publication;
import org.opencastproject.publication.api.OaiPmhPublicationService;
import org.opencastproject.publication.api.PublicationException;
import org.opencastproject.security.api.TrustedHttpClient;
import org.opencastproject.serviceregistry.api.RemoteBase;
import org.opencastproject.serviceregistry.api.ServiceRegistry;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
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.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
/**
* A remote publication service invoker.
*/
@Component(
immediate = true,
service = OaiPmhPublicationService.class,
property = {
"service.description=Publication (OAI-PMH) Remote Service Proxy"
}
)
public class OaiPmhPublicationServiceRemoteImpl extends RemoteBase implements OaiPmhPublicationService {
/** The logger */
private static final Logger logger = LoggerFactory.getLogger(OaiPmhPublicationServiceRemoteImpl.class);
public OaiPmhPublicationServiceRemoteImpl() {
super(JOB_TYPE);
}
@Override
public Job publish(
MediaPackage mediaPackage,
String repository,
Set downloadIds,
Set streamingIds,
boolean checkAvailability
) throws PublicationException, MediaPackageException {
final String mediapackageXml = MediaPackageParser.getAsXml(mediaPackage);
final List params = new ArrayList();
params.add(new BasicNameValuePair("mediapackage", mediapackageXml));
params.add(new BasicNameValuePair("channel", repository));
params.add(new BasicNameValuePair("downloadElementIds", StringUtils.join(downloadIds, SEPARATOR)));
params.add(new BasicNameValuePair("streamingElementIds", StringUtils.join(streamingIds, SEPARATOR)));
params.add(new BasicNameValuePair("checkAvailability", Boolean.toString(checkAvailability)));
final HttpPost post = new HttpPost();
HttpResponse response = null;
try {
post.setEntity(new UrlEncodedFormEntity(params, UTF_8));
response = getResponse(post);
if (response != null) {
logger.info("Publishing media package {} to OAI-PMH channel {} using a remote publication service",
mediaPackage, repository);
try {
return JobParser.parseJob(response.getEntity().getContent());
} catch (Exception e) {
throw new PublicationException(
"Unable to publish media package '" + mediaPackage + "' using a remote OAI-PMH publication service", e);
}
}
} catch (Exception e) {
throw new PublicationException(
"Unable to publish media package " + mediaPackage + " using a remote OAI-PMH publication service.", e);
} finally {
closeConnection(response);
}
throw new PublicationException(
"Unable to publish mediapackage " + mediaPackage + " using a remote OAI-PMH publication service.");
}
@Override
public Job replace(
MediaPackage mediaPackage,
String repository,
Set downloadElements,
Set streamingElements,
Set retractDownloadFlavors,
Set retractStreamingFlavors,
Set publications,
boolean checkAvailability
) throws PublicationException {
HttpResponse response = null;
try {
final String mediapackageXml = MediaPackageParser.getAsXml(mediaPackage);
final String downloadElementsXml = MediaPackageElementParser.getArrayAsXml(downloadElements);
final String streamingElementsXml = MediaPackageElementParser.getArrayAsXml(streamingElements);
final String retractDownloadFlavorsString = StringUtils.join(retractDownloadFlavors, SEPARATOR);
final String retractStreamingFlavorsString = StringUtils.join(retractStreamingFlavors, SEPARATOR);
final String publicationsXml = MediaPackageElementParser.getArrayAsXml(publications);
final List params = Arrays.asList(
new BasicNameValuePair("mediapackage", mediapackageXml),
new BasicNameValuePair("channel", repository),
new BasicNameValuePair("downloadElements", downloadElementsXml),
new BasicNameValuePair("streamingElements", streamingElementsXml),
new BasicNameValuePair("retractDownloadFlavors", retractDownloadFlavorsString),
new BasicNameValuePair("retractStreamingFlavors", retractStreamingFlavorsString),
new BasicNameValuePair("publications", publicationsXml),
new BasicNameValuePair("checkAvailability", Boolean.toString(checkAvailability)));
final HttpPost post = new HttpPost("replace");
post.setEntity(new UrlEncodedFormEntity(params, UTF_8));
response = getResponse(post);
if (response != null) {
logger.info("Replace media package {} in OAI-PMH channel {} using a remote publication service", mediaPackage,
repository);
return JobParser.parseJob(response.getEntity().getContent());
}
} catch (final Exception e) {
throw new PublicationException(
"Unable to replace media package " + mediaPackage + " using a remote OAI-PMH publication service.", e);
} finally {
closeConnection(response);
}
throw new PublicationException(
"Unable to replace media package " + mediaPackage + " using a remote OAI-PMH publication service.");
}
@Override
public Publication replaceSync(
MediaPackage mediaPackage,
String repository,
Set downloadElements,
Set streamingElements,
Set retractDownloadFlavors,
Set retractStreamingFlavors,
Set publications,
boolean checkAvailability
) throws PublicationException {
HttpResponse response = null;
try {
final String mediapackageXml = MediaPackageParser.getAsXml(mediaPackage);
final String downloadElementsXml = MediaPackageElementParser.getArrayAsXml(downloadElements);
final String streamingElementsXml = MediaPackageElementParser.getArrayAsXml(streamingElements);
final String retractDownloadFlavorsString = StringUtils.join(retractDownloadFlavors, SEPARATOR);
final String retractStreamingFlavorsString = StringUtils.join(retractStreamingFlavors, SEPARATOR);
final String publicationsXml = MediaPackageElementParser.getArrayAsXml(publications);
final List params = Arrays.asList(
new BasicNameValuePair("mediapackage", mediapackageXml),
new BasicNameValuePair("channel", repository),
new BasicNameValuePair("downloadElements", downloadElementsXml),
new BasicNameValuePair("streamingElements", streamingElementsXml),
new BasicNameValuePair("retractDownloadFlavors", retractDownloadFlavorsString),
new BasicNameValuePair("retractStreamingFlavors", retractStreamingFlavorsString),
new BasicNameValuePair("publications", publicationsXml),
new BasicNameValuePair("checkAvailability", Boolean.toString(checkAvailability)));
final HttpPost post = new HttpPost("replacesync");
post.setEntity(new UrlEncodedFormEntity(params, UTF_8));
response = getResponse(post);
if (response != null) {
logger.info("Replace media package {} in OAI-PMH channel {} using a remote publication service", mediaPackage,
repository);
final String xml = IOUtils.toString(response.getEntity().getContent(), Charset.forName("utf-8"));
return (Publication) MediaPackageElementParser.getFromXml(xml);
}
} catch (final Exception e) {
throw new PublicationException(
"Unable to replace media package " + mediaPackage + " using a remote OAI-PMH publication service.", e);
} finally {
closeConnection(response);
}
throw new PublicationException(
"Unable to replace media package " + mediaPackage + " using a remote OAI-PMH publication service.");
}
@Override
public Job retract(MediaPackage mediaPackage, String repository) throws PublicationException {
String mediapackageXml = MediaPackageParser.getAsXml(mediaPackage);
List params = new ArrayList();
params.add(new BasicNameValuePair("mediapackage", mediapackageXml));
params.add(new BasicNameValuePair("channel", repository));
HttpPost post = new HttpPost("/retract");
HttpResponse response = null;
post.setEntity(new UrlEncodedFormEntity(params, UTF_8));
try {
response = getResponse(post);
Job receipt = null;
if (response != null) {
logger.info("Retracting {} from OAI-PMH channel {} using a remote publication service",
mediaPackage.getIdentifier().toString(), repository);
try {
receipt = JobParser.parseJob(response.getEntity().getContent());
return receipt;
} catch (Exception e) {
throw new PublicationException(format(
"Unable to retract media package %s from OAI-PMH channel %s using a remote publication service",
mediaPackage.getIdentifier().toString(), repository), e);
}
}
} finally {
closeConnection(response);
}
throw new PublicationException(format(
"Unable to retract media package %s from OAI-PMH channel %s using a remote publication service",
mediaPackage.getIdentifier().toString(), repository));
}
@Override
public Job updateMetadata(
MediaPackage mediaPackage,
String repository,
Set flavors,
Set tags,
boolean checkAvailability
) throws PublicationException {
final String mediapackageXml = MediaPackageParser.getAsXml(mediaPackage);
final List params = new ArrayList<>();
params.add(new BasicNameValuePair("mediapackage", mediapackageXml));
params.add(new BasicNameValuePair("channel", repository));
params.add(new BasicNameValuePair("flavors", StringUtils.join(flavors, SEPARATOR)));
params.add(new BasicNameValuePair("tags", StringUtils.join(tags, SEPARATOR)));
params.add(new BasicNameValuePair("checkAvailability", Boolean.toString(checkAvailability)));
final HttpPost post = new HttpPost("/updateMetadata");
HttpResponse response = null;
try {
post.setEntity(new UrlEncodedFormEntity(params, UTF_8));
response = getResponse(post);
if (response != null) {
logger.info("Update media package {} metadata in OAI-PMH channel {} using a remote publication service",
mediaPackage.getIdentifier().toString(), repository);
return JobParser.parseJob(response.getEntity().getContent());
}
} catch (Exception e) {
throw new PublicationException(format(
"Unable to update media package %s metadata in OAI-PMH repository %s using a remote publication service.",
mediaPackage.getIdentifier().toString(), repository), e);
} finally {
closeConnection(response);
}
throw new PublicationException(format(
"Unable to update media package %s metadata in OAI-PMH repository %s using a remote publication service.",
mediaPackage.getIdentifier().toString(), repository));
}
@Reference
@Override
public void setTrustedHttpClient(TrustedHttpClient trustedHttpClient) {
super.setTrustedHttpClient(trustedHttpClient);
}
@Reference
@Override
public void setRemoteServiceManager(ServiceRegistry serviceRegistry) {
super.setRemoteServiceManager(serviceRegistry);
}
}
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