package org.apache.maven.scm.provider.local.command.update;
/*
* 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.maven.scm.ScmException;
import org.apache.maven.scm.ScmFile;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmFileStatus;
import org.apache.maven.scm.ScmVersion;
import org.apache.maven.scm.command.changelog.ChangeLogCommand;
import org.apache.maven.scm.command.update.AbstractUpdateCommand;
import org.apache.maven.scm.command.update.UpdateScmResult;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.local.command.LocalCommand;
import org.apache.maven.scm.provider.local.command.changelog.LocalChangeLogCommand;
import org.apache.maven.scm.provider.local.metadata.LocalScmMetadata;
import org.apache.maven.scm.provider.local.metadata.LocalScmMetadataUtils;
import org.apache.maven.scm.provider.local.repository.LocalScmProviderRepository;
import org.codehaus.plexus.util.FileUtils;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a>
* @author Olivier Lamy
* @version $Id: LocalUpdateCommand.java 1056980 2011-01-09 17:23:55Z olamy $
*/
public class LocalUpdateCommand
extends AbstractUpdateCommand
implements LocalCommand
{
/** {@inheritDoc} */
protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion version )
throws ScmException
{
LocalScmProviderRepository repository = (LocalScmProviderRepository) repo;
if ( version != null )
{
throw new ScmException( "The local scm doesn't support tags." );
}
File root = new File( repository.getRoot() );
String module = repository.getModule();
File source = new File( root, module );
File baseDestination = fileSet.getBasedir();
if ( !baseDestination.exists() )
{
throw new ScmException(
"The working directory doesn't exist (" + baseDestination.getAbsolutePath() + ")." );
}
if ( !root.exists() )
{
throw new ScmException( "The base directory doesn't exist (" + root.getAbsolutePath() + ")." );
}
if ( !source.exists() )
{
throw new ScmException( "The module directory doesn't exist (" + source.getAbsolutePath() + ")." );
}
if ( !baseDestination.exists() && !baseDestination.isDirectory() )
{
throw new ScmException( "The destination directory isn't a directory or doesn't exist ("
+ baseDestination.getAbsolutePath() + ")." );
}
List<ScmFile> updatedFiles;
try
{
if ( getLogger().isInfoEnabled() )
{
getLogger().info(
"Updating '" + baseDestination.getAbsolutePath() + "' from '"
+ source.getAbsolutePath() + "'." );
}
@SuppressWarnings( "unchecked" )
List<File> fileList = FileUtils.getFiles( source.getAbsoluteFile(), "**", null );
List<File> list = fileList;
updatedFiles = update( source, baseDestination, list );
// process deletions in repository
LocalScmMetadataUtils metadataUtils = new LocalScmMetadataUtils( getLogger() );
LocalScmMetadata originalMetadata = metadataUtils.readMetadata( baseDestination );
if ( originalMetadata != null )
{
LocalScmMetadata newMetadata = metadataUtils.buildMetadata( source );
for ( Iterator<String> it = originalMetadata.getRepositoryFileNames().iterator(); it.hasNext(); )
{
String filename = it.next();
if ( !newMetadata.getRepositoryFileNames().contains( filename ) )
{
File localFile = new File( baseDestination, filename );
if ( localFile.exists() )
{
localFile.delete();
updatedFiles.add( new ScmFile( "/" + filename, ScmFileStatus.UPDATED ) );
}
}
}
}
// rewrite metadata file
metadataUtils.writeMetadata( baseDestination, metadataUtils.buildMetadata( source ) );
}
catch ( IOException ex )
{
throw new ScmException( "Error while checking out the files.", ex );
}
return new LocalUpdateScmResult( null, updatedFiles );
}
private List<ScmFile> update( File source, File baseDestination, List<File> files )
throws ScmException, IOException
{
String sourcePath = source.getAbsolutePath();
List<ScmFile> updatedFiles = new ArrayList<ScmFile>();
for ( Iterator<File> i = files.iterator(); i.hasNext(); )
{
File repositoryFile = i.next();
File repositoryDirectory = repositoryFile.getParentFile();
// TODO: Add more excludes here
if ( repositoryDirectory != null && repositoryDirectory.getName().equals( "CVS" ) )
{
continue;
}
String dest = repositoryFile.getAbsolutePath().substring( sourcePath.length() + 1 );
File destinationFile = new File( baseDestination, dest );
String repositoryFileContents = FileUtils.fileRead( repositoryFile );
if ( destinationFile.exists() )
{
String destionationFileContents = FileUtils.fileRead( destinationFile );
if ( repositoryFileContents.equals( destionationFileContents ) )
{
continue;
}
}
File destinationDirectory = destinationFile.getParentFile();
if ( !destinationDirectory.exists() && !destinationDirectory.mkdirs() )
{
throw new ScmException(
"Could not create destination directory '" + destinationDirectory.getAbsolutePath() + "'." );
}
ScmFileStatus status;
if ( destinationFile.exists() )
{
status = ScmFileStatus.UPDATED;
}
else
{
status = ScmFileStatus.ADDED;
}
FileUtils.copyFileToDirectory( repositoryFile, destinationDirectory );
int chop = baseDestination.getAbsolutePath().length();
String fileName = "/" + destinationFile.getAbsolutePath().substring( chop + 1 );
updatedFiles.add( new ScmFile( fileName, status ) );
}
return updatedFiles;
}
/** {@inheritDoc} */
protected ChangeLogCommand getChangeLogCommand()
{
return new LocalChangeLogCommand();
}
}