package org.apache.maven.repository.legacy.resolver.transform;
/*
* 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 java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.deployer.ArtifactDeploymentException;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.RepositoryRequest;
import org.apache.maven.artifact.repository.metadata.Metadata;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException;
import org.apache.maven.artifact.repository.metadata.Snapshot;
import org.apache.maven.artifact.repository.metadata.SnapshotArtifactRepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.Versioning;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.util.StringUtils;
/**
* @author <a href="mailto:brett@apache.org">Brett Porter</a>
* @author <a href="mailto:mmaczka@interia.pl">Michal Maczka</a>
* @version $Id: SnapshotTransformation.java 958295 2010-06-26 23:16:18Z hboutemy $
*/
@Component( role = ArtifactTransformation.class, hint = "snapshot" )
public class SnapshotTransformation
extends AbstractVersionTransformation
{
private String deploymentTimestamp;
private static final TimeZone UTC_TIME_ZONE = TimeZone.getTimeZone( "UTC" );
private static final String UTC_TIMESTAMP_PATTERN = "yyyyMMdd.HHmmss";
public void transformForResolve( Artifact artifact, RepositoryRequest request )
throws ArtifactResolutionException
{
// Only select snapshots that are unresolved (eg 1.0-SNAPSHOT, not 1.0-20050607.123456)
if ( artifact.isSnapshot() && artifact.getBaseVersion().equals( artifact.getVersion() ) )
{
try
{
String version = resolveVersion( artifact, request );
artifact.updateVersion( version, request.getLocalRepository() );
}
catch ( RepositoryMetadataResolutionException e )
{
throw new ArtifactResolutionException( e.getMessage(), artifact, e );
}
}
}
public void transformForInstall( Artifact artifact, ArtifactRepository localRepository )
{
if ( artifact.isSnapshot() )
{
Snapshot snapshot = new Snapshot();
snapshot.setLocalCopy( true );
RepositoryMetadata metadata = new SnapshotArtifactRepositoryMetadata( artifact, snapshot );
artifact.addMetadata( metadata );
}
}
public void transformForDeployment( Artifact artifact, ArtifactRepository remoteRepository,
ArtifactRepository localRepository )
throws ArtifactDeploymentException
{
if ( artifact.isSnapshot() )
{
Snapshot snapshot = new Snapshot();
snapshot.setTimestamp( getDeploymentTimestamp() );
// we update the build number anyway so that it doesn't get lost. It requires the timestamp to take effect
try
{
int buildNumber = resolveLatestSnapshotBuildNumber( artifact, localRepository, remoteRepository );
snapshot.setBuildNumber( buildNumber + 1 );
}
catch ( RepositoryMetadataResolutionException e )
{
throw new ArtifactDeploymentException( "Error retrieving previous build number for artifact '"
+ artifact.getDependencyConflictId() + "': " + e.getMessage(), e );
}
RepositoryMetadata metadata = new SnapshotArtifactRepositoryMetadata( artifact, snapshot );
artifact.setResolvedVersion(
constructVersion( metadata.getMetadata().getVersioning(), artifact.getBaseVersion() ) );
artifact.addMetadata( metadata );
}
}
public String getDeploymentTimestamp()
{
if ( deploymentTimestamp == null )
{
deploymentTimestamp = getUtcDateFormatter().format( new Date() );
}
return deploymentTimestamp;
}
protected String constructVersion( Versioning versioning, String baseVersion )
{
String version = null;
Snapshot snapshot = versioning.getSnapshot();
if ( snapshot != null )
{
if ( snapshot.getTimestamp() != null && snapshot.getBuildNumber() > 0 )
{
String newVersion = snapshot.getTimestamp() + "-" + snapshot.getBuildNumber();
version = StringUtils.replace( baseVersion, Artifact.SNAPSHOT_VERSION, newVersion );
}
else
{
version = baseVersion;
}
}
return version;
}
private int resolveLatestSnapshotBuildNumber( Artifact artifact, ArtifactRepository localRepository,
ArtifactRepository remoteRepository )
throws RepositoryMetadataResolutionException
{
RepositoryMetadata metadata = new SnapshotArtifactRepositoryMetadata( artifact );
getLogger().info( "Retrieving previous build number from " + remoteRepository.getId() );
repositoryMetadataManager.resolveAlways( metadata, localRepository, remoteRepository );
int buildNumber = 0;
Metadata repoMetadata = metadata.getMetadata();
if ( ( repoMetadata != null )
&& ( repoMetadata.getVersioning() != null && repoMetadata.getVersioning().getSnapshot() != null ) )
{
buildNumber = repoMetadata.getVersioning().getSnapshot().getBuildNumber();
}
return buildNumber;
}
public static DateFormat getUtcDateFormatter()
{
DateFormat utcDateFormatter = new SimpleDateFormat( UTC_TIMESTAMP_PATTERN );
utcDateFormatter.setTimeZone( UTC_TIME_ZONE );
return utcDateFormatter;
}
}