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.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.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
/**
* Retrieve and process all artifacts of a repository from the database and generate a rss feed.
* The artifacts will be grouped by the date when the artifacts were gathered.
* Each group will appear as one entry in the feed.
*
*/
@Service("rssFeedProcessor#new-artifacts")
public class NewArtifactsRssFeedProcessor
extends AbstractArtifactsRssFeedProcessor
{
private int numberOfDaysBeforeNow = 30;
private static final String title = "New Artifacts in Repository ";
private static final String desc = "These are the new artifacts found in the repository ";
/**
*
*/
@Inject
private RssFeedGenerator generator;
private Logger log = LoggerFactory.getLogger( NewArtifactsRssFeedProcessor.class );
private static final TimeZone GMT_TIME_ZONE = TimeZone.getTimeZone( "GMT" );
/**
* Process the newly discovered artifacts in the repository. Generate feeds for new artifacts in the repository and
* new versions of artifact.
*/
public SyndFeed process( Map<String, String> reqParams, MetadataRepository metadataRepository )
throws FeedException
{
log.debug( "Process new artifacts into rss feeds." );
String repoId = reqParams.get( RssFeedProcessor.KEY_REPO_ID );
if ( repoId != null )
{
return processNewArtifactsInRepo( repoId, metadataRepository );
}
return null;
}
private SyndFeed processNewArtifactsInRepo( String repoId, MetadataRepository metadataRepository )
throws FeedException
{
Calendar greaterThanThisDate = Calendar.getInstance( GMT_TIME_ZONE );
greaterThanThisDate.add( Calendar.DATE, -( getNumberOfDaysBeforeNow() ) );
greaterThanThisDate.clear( Calendar.MILLISECOND );
List<ArtifactMetadata> artifacts;
try
{
artifacts = metadataRepository.getArtifactsByDateRange( repoId, greaterThanThisDate.getTime(), null );
}
catch ( MetadataRepositoryException 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<RssFeedEntry>();
String description = "";
int idx = 0;
for ( ArtifactMetadata artifact : artifacts )
{
long whenGathered = artifact.getWhenGathered().getTime();
String id = artifact.getNamespace() + "/" + artifact.getProject() + "/" + artifact.getId();
if ( tmp != whenGathered )
{
if ( entry != null )
{
entry.setDescription( description );
entries.add( entry );
entry = null;
}
String repoId1 = artifact.getRepositoryId();
entry = new RssFeedEntry( this.getTitle() + "\'" + repoId1 + "\'" + " as of " + new Date(
whenGathered ) );
entry.setPublishedDate( artifact.getWhenGathered() );
description = this.getDescription() + "\'" + repoId1 + "\'" + ": \n" + id + " | ";
}
else
{
description = description + id + " | ";
}
if ( idx == ( artifacts.size() - 1 ) )
{
entry.setDescription( description );
entries.add( entry );
}
tmp = whenGathered;
idx++;
}
return generator.generateFeed( getTitle() + "\'" + repoId + "\'",
"New artifacts found in repository " + "\'" + repoId + "\'" +
" during repository scan.", entries );
}
public String getTitle()
{
return title;
}
public String getDescription()
{
return desc;
}
public RssFeedGenerator getGenerator()
{
return generator;
}
public void setGenerator( RssFeedGenerator generator )
{
this.generator = generator;
}
public int getNumberOfDaysBeforeNow()
{
return numberOfDaysBeforeNow;
}
public void setNumberOfDaysBeforeNow( int numberOfDaysBeforeNow )
{
this.numberOfDaysBeforeNow = numberOfDaysBeforeNow;
}
}