package org.apache.archiva.consumers.core.repository;
/*
* 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 org.apache.archiva.metadata.repository.RepositorySession;
import org.apache.archiva.repository.events.RepositoryListener;
import org.apache.commons.lang.time.DateUtils;
import org.apache.archiva.common.utils.VersionComparator;
import org.apache.archiva.common.utils.VersionUtil;
import org.apache.archiva.model.ArtifactReference;
import org.apache.archiva.model.VersionedReference;
import org.apache.archiva.repository.ContentNotFoundException;
import org.apache.archiva.repository.ManagedRepositoryContent;
import org.apache.archiva.repository.layout.LayoutException;
import java.io.File;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.regex.Matcher;
/**
* Purge from repository all snapshots older than the specified days in the repository configuration.
*/
public class DaysOldRepositoryPurge
extends AbstractRepositoryPurge
{
private SimpleDateFormat timestampParser;
private int daysOlder;
private int retentionCount;
public DaysOldRepositoryPurge( ManagedRepositoryContent repository, int daysOlder, int retentionCount,
RepositorySession repositorySession, List<RepositoryListener> listeners )
{
super( repository, repositorySession, listeners );
this.daysOlder = daysOlder;
this.retentionCount = retentionCount;
timestampParser = new SimpleDateFormat( "yyyyMMdd.HHmmss" );
timestampParser.setTimeZone( DateUtils.UTC_TIME_ZONE );
}
@Override
public void process( String path )
throws RepositoryPurgeException
{
try
{
File artifactFile = new File( repository.getRepoRoot(), path );
if ( !artifactFile.exists() )
{
return;
}
ArtifactReference artifact = repository.toArtifactReference( path );
Calendar olderThanThisDate = Calendar.getInstance( DateUtils.UTC_TIME_ZONE );
olderThanThisDate.add( Calendar.DATE, -daysOlder );
// respect retention count
VersionedReference reference = new VersionedReference();
reference.setGroupId( artifact.getGroupId() );
reference.setArtifactId( artifact.getArtifactId() );
reference.setVersion( artifact.getVersion() );
List<String> versions = new ArrayList<>( repository.getVersions( reference ) );
Collections.sort( versions, VersionComparator.getInstance() );
if ( retentionCount > versions.size() )
{
// Done. nothing to do here. skip it.
return;
}
int countToPurge = versions.size() - retentionCount;
for ( String version : versions )
{
if ( countToPurge-- <= 0 )
{
break;
}
ArtifactReference newArtifactReference = repository.toArtifactReference(
artifactFile.getAbsolutePath() );
newArtifactReference.setVersion( version );
File newArtifactFile = repository.toFile( newArtifactReference );
// Is this a generic snapshot "1.0-SNAPSHOT" ?
if ( VersionUtil.isGenericSnapshot( newArtifactReference.getVersion() ) )
{
if ( newArtifactFile.lastModified() < olderThanThisDate.getTimeInMillis() )
{
doPurgeAllRelated( newArtifactReference );
}
}
// Is this a timestamp snapshot "1.0-20070822.123456-42" ?
else if ( VersionUtil.isUniqueSnapshot( newArtifactReference.getVersion() ) )
{
Calendar timestampCal = uniqueSnapshotToCalendar( newArtifactReference.getVersion() );
if ( timestampCal.getTimeInMillis() < olderThanThisDate.getTimeInMillis() )
{
doPurgeAllRelated( newArtifactReference );
}
}
}
}
catch ( ContentNotFoundException e )
{
throw new RepositoryPurgeException( e.getMessage(), e );
}
catch ( LayoutException e )
{
log.debug( "Not processing file that is not an artifact: {}", e.getMessage() );
}
}
private Calendar uniqueSnapshotToCalendar( String version )
{
// The latestVersion will contain the full version string "1.0-alpha-5-20070821.213044-8"
// This needs to be broken down into ${base}-${timestamp}-${build_number}
Matcher m = VersionUtil.UNIQUE_SNAPSHOT_PATTERN.matcher( version );
if ( m.matches() )
{
Matcher mtimestamp = VersionUtil.TIMESTAMP_PATTERN.matcher( m.group( 2 ) );
if ( mtimestamp.matches() )
{
String tsDate = mtimestamp.group( 1 );
String tsTime = mtimestamp.group( 2 );
Date versionDate;
try
{
versionDate = timestampParser.parse( tsDate + "." + tsTime );
Calendar cal = Calendar.getInstance( DateUtils.UTC_TIME_ZONE );
cal.setTime( versionDate );
return cal;
}
catch ( ParseException e )
{
// Invalid Date/Time
return null;
}
}
}
return null;
}
private void doPurgeAllRelated( ArtifactReference reference )
{
try
{
Set<ArtifactReference> related = repository.getRelatedArtifacts( reference );
purge( related );
}
catch ( ContentNotFoundException e )
{
// Nothing to do here - it means the repository would have been constructed incorrectly
log.debug( e.getMessage(), e );
}
}
}