package org.apache.maven.archiva.discoverer;
/*
* 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.commons.lang.SystemUtils;
import org.apache.maven.archiva.common.consumers.Consumer;
import org.apache.maven.archiva.common.utils.BaseFile;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.codehaus.plexus.logging.Logger;
import org.codehaus.plexus.util.DirectoryWalkListener;
import org.codehaus.plexus.util.SelectorUtils;
import org.codehaus.plexus.util.StringUtils;
import java.io.File;
import java.util.Iterator;
import java.util.List;
/**
* RepositoryScanner - this is an instance of a scan against a repository.
*
* @author <a href="mailto:joakime@apache.org">Joakim Erdfelt</a>
* @version $Id: RepositoryScanner.java 511840 2007-02-26 15:02:51Z evenisse $
*/
public class RepositoryScanner
implements DirectoryWalkListener
{
public static final String ROLE = RepositoryScanner.class.getName();
private List consumers;
private ArtifactRepository repository;
private Logger logger;
private boolean isCaseSensitive = true;
private DiscovererStatistics stats;
private long onlyModifiedAfterTimestamp = 0;
public RepositoryScanner( ArtifactRepository repository, List consumerList )
{
this.repository = repository;
this.consumers = consumerList;
stats = new DiscovererStatistics( repository );
Iterator it = this.consumers.iterator();
while ( it.hasNext() )
{
Consumer consumer = (Consumer) it.next();
if ( !consumer.init( this.repository ) )
{
throw new IllegalStateException( "Consumer [" + consumer.getName() +
"] is reporting that it is incompatible with the [" + repository.getId() + "] repository." );
}
}
if ( SystemUtils.IS_OS_WINDOWS )
{
isCaseSensitive = false;
}
}
public DiscovererStatistics getStatistics()
{
return stats;
}
public void directoryWalkStarting( File basedir )
{
getLogger().info( "Walk Started: [" + this.repository.getId() + "] " + this.repository.getBasedir() );
stats.reset();
stats.timestampStarted = System.currentTimeMillis();
}
public void directoryWalkStep( int percentage, File file )
{
getLogger().debug( "Walk Step: " + percentage + ", " + file );
// Timestamp finished points to the last successful scan, not this current one.
if ( file.lastModified() < onlyModifiedAfterTimestamp )
{
// Skip file as no change has occured.
getLogger().debug( "Skipping, No Change: " + file.getAbsolutePath() );
stats.filesSkipped++;
return;
}
synchronized ( consumers )
{
stats.filesIncluded++;
BaseFile basefile = new BaseFile( repository.getBasedir(), file );
Iterator itConsumers = this.consumers.iterator();
while ( itConsumers.hasNext() )
{
Consumer consumer = (Consumer) itConsumers.next();
if ( wantsFile( consumer, StringUtils.replace( basefile.getRelativePath(), "\\", "/" ) ) )
{
try
{
getLogger().debug( "Sending to consumer: " + consumer.getName() );
stats.filesConsumed++;
consumer.processFile( basefile );
}
catch ( Exception e )
{
/* Intentionally Catch all exceptions.
* So that the discoverer processing can continue.
*/
getLogger().error( "Consumer [" + consumer.getName() + "] had an error when processing file [" +
basefile.getAbsolutePath() + "]: " + e.getMessage(), e );
}
}
else
{
getLogger().debug(
"Skipping consumer " + consumer.getName() + " for file " + basefile.getRelativePath() );
}
}
}
}
public void directoryWalkFinished()
{
getLogger().info( "Walk Finished: [" + this.repository.getId() + "] " + this.repository.getBasedir() );
stats.timestampFinished = System.currentTimeMillis();
}
private boolean wantsFile( Consumer consumer, String relativePath )
{
Iterator it;
// Test excludes first.
it = consumer.getExcludePatterns().iterator();
while ( it.hasNext() )
{
String pattern = (String) it.next();
if ( SelectorUtils.matchPath( pattern, relativePath, isCaseSensitive ) )
{
// Definately does NOT WANT FILE.
return false;
}
}
// Now test includes.
it = consumer.getIncludePatterns().iterator();
while ( it.hasNext() )
{
String pattern = (String) it.next();
if ( SelectorUtils.matchPath( pattern, relativePath, isCaseSensitive ) )
{
// Specifically WANTS FILE.
return true;
}
}
// Not included, and Not excluded? Default to EXCLUDE.
return false;
}
public long getOnlyModifiedAfterTimestamp()
{
return onlyModifiedAfterTimestamp;
}
public void setOnlyModifiedAfterTimestamp( long onlyModifiedAfterTimestamp )
{
this.onlyModifiedAfterTimestamp = onlyModifiedAfterTimestamp;
}
/**
* Debug method from DirectoryWalker.
*/
public void debug( String message )
{
getLogger().debug( "Repository Scanner: " + message );
}
public Logger getLogger()
{
return logger;
}
public void setLogger( Logger logger )
{
this.logger = logger;
}
}