package org.apache.archiva.rss.processor;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache 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://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.io.FeedException;
import org.apache.archiva.metadata.model.ArtifactMetadata;
import org.apache.archiva.metadata.repository.MetadataRepository;
import org.apache.archiva.metadata.repository.MetadataRepositoryException;
import org.apache.archiva.metadata.repository.MetadataResolutionException;
import org.apache.archiva.rss.RssFeedEntry;
import org.apache.archiva.rss.RssFeedGenerator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Map;
/**
* Retrieve and process new versions of an artifact from the database and
* generate a rss feed. The versions will be grouped by the date when the artifact
* was gathered. Each group will appear as one entry in the feed.
*
*/
@Service("rssFeedProcessor#new-versions")
public class NewVersionsOfArtifactRssFeedProcessor
extends AbstractArtifactsRssFeedProcessor
{
private Logger log = LoggerFactory.getLogger( NewVersionsOfArtifactRssFeedProcessor.class );
private static final String title = "New Versions of Artifact ";
private static final String desc = "These are the new versions of artifact ";
/**
*
*/
@Inject
private RssFeedGenerator generator;
/**
* Process all versions of the artifact which had a rss feed request.
*/
@Override
public SyndFeed process( Map<String, String> reqParams, MetadataRepository metadataRepository )
throws FeedException
{
String groupId = reqParams.get( RssFeedProcessor.KEY_GROUP_ID );
String artifactId = reqParams.get( RssFeedProcessor.KEY_ARTIFACT_ID );
if ( groupId != null && artifactId != null )
{
return processNewVersionsOfArtifact( groupId, artifactId, metadataRepository );
}
return null;
}
private SyndFeed processNewVersionsOfArtifact( String groupId, String artifactId,
MetadataRepository metadataRepository )
throws FeedException
{
List<ArtifactMetadata> artifacts = new ArrayList<>();
try
{
for ( String repoId : metadataRepository.getRepositories() )
{
Collection<String> versions = metadataRepository.getProjectVersions( repoId, groupId, artifactId );
for ( String version : versions )
{
artifacts.addAll( metadataRepository.getArtifacts( repoId, groupId, artifactId, version ) );
}
}
}
catch ( MetadataRepositoryException e )
{
throw new FeedException( "Unable to construct feed, metadata could not be retrieved: " + e.getMessage(),
e );
}
catch ( MetadataResolutionException e )
{
throw new FeedException( "Unable to construct feed, metadata could not be retrieved: " + e.getMessage(),
e );
}
long tmp = 0;
RssFeedEntry entry = null;
List<RssFeedEntry> entries = new ArrayList<>();
String description = "";
int idx = 0;
for ( ArtifactMetadata artifact : artifacts )
{
long whenGathered = artifact.getWhenGathered().getTime();
if ( tmp != whenGathered )
{
if ( entry != null )
{
entry.setDescription( description );
entries.add( entry );
entry = null;
}
entry = new RssFeedEntry(
this.getTitle() + "\'" + groupId + ":" + artifactId + "\'" + " as of " + new Date( whenGathered ) );
entry.setPublishedDate( artifact.getWhenGathered() );
description =
this.getDescription() + "\'" + groupId + ":" + artifactId + "\'" + ": \n" + artifact.getId() +
" | ";
}
else
{
description = description + artifact.getId() + " | ";
}
if ( idx == ( artifacts.size() - 1 ) )
{
entry.setDescription( description );
entries.add( entry );
}
tmp = whenGathered;
idx++;
}
String key = groupId + ":" + artifactId;
return generator.generateFeed( getTitle() + "\'" + key + "\'",
"New versions of artifact " + "\'" + key + "\' found during repository scan.",
entries );
}
@Override
public String getTitle()
{
return title;
}
@Override
public String getDescription()
{
return desc;
}
public RssFeedGenerator getGenerator()
{
return generator;
}
public void setGenerator( RssFeedGenerator generator )
{
this.generator = generator;
}
}