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- 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.common.utils.VersionComparator;
- import org.apache.archiva.common.utils.VersionUtil;
- import org.apache.archiva.metadata.repository.RepositorySession;
- import org.apache.archiva.model.ArtifactReference;
- import org.apache.archiva.model.VersionedReference;
- import org.apache.archiva.repository.ContentNotFoundException;
- import org.apache.archiva.repository.LayoutException;
- import org.apache.archiva.repository.ManagedRepositoryContent;
- import org.apache.archiva.repository.events.RepositoryListener;
- import org.apache.archiva.repository.storage.StorageAsset;
- import org.apache.commons.lang.time.DateUtils;
-
- import java.io.IOException;
- import java.nio.file.Files;
- import java.nio.file.Path;
- import java.nio.file.Paths;
- 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.HashSet;
- 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 retentionPeriod;
-
- private int retentionCount;
-
- public DaysOldRepositoryPurge( ManagedRepositoryContent repository, int retentionPeriod, int retentionCount,
- RepositorySession repositorySession, List<RepositoryListener> listeners )
- {
- super( repository, repositorySession, listeners );
- this.retentionPeriod = retentionPeriod;
- this.retentionCount = retentionCount;
- timestampParser = new SimpleDateFormat( "yyyyMMdd.HHmmss" );
- timestampParser.setTimeZone( DateUtils.UTC_TIME_ZONE );
- }
-
- @Override
- public void process( String path )
- throws RepositoryPurgeException
- {
- try
- {
- Path artifactFile = Paths.get( repository.getRepoRoot( ), path );
-
- if ( !Files.exists(artifactFile) )
- {
- return;
- }
-
- ArtifactReference artifact = repository.toArtifactReference( path );
-
- Calendar olderThanThisDate = Calendar.getInstance( DateUtils.UTC_TIME_ZONE );
- olderThanThisDate.add( Calendar.DATE, -retentionPeriod );
-
- // 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;
-
- Set<ArtifactReference> artifactsToDelete = new HashSet<>( );
- for ( String version : versions )
- {
- if ( countToPurge-- <= 0 )
- {
- break;
- }
-
- ArtifactReference newArtifactReference = repository.toArtifactReference(
- artifactFile.toAbsolutePath( ).toString() );
- newArtifactReference.setVersion( version );
-
- StorageAsset newArtifactFile = repository.toFile( newArtifactReference );
-
- // Is this a generic snapshot "1.0-SNAPSHOT" ?
- if ( VersionUtil.isGenericSnapshot( newArtifactReference.getVersion( ) ) )
- {
- if ( newArtifactFile.getModificationTime().toEpochMilli() < olderThanThisDate.getTimeInMillis( ) )
- {
- artifactsToDelete.addAll( repository.getRelatedArtifacts( 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( ) )
- {
- artifactsToDelete.addAll( repository.getRelatedArtifacts( newArtifactReference ) );
- }
- }
- }
- purge( artifactsToDelete );
- }
- 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;
- }
-
- }
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