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StubCheckOutCommand.java
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StubCheckOutCommand.java
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package org.apache.maven.scm.provider.stub;
/*
* 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.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.maven.scm.CommandParameter;
import org.apache.maven.scm.CommandParameters;
import org.apache.maven.scm.ScmBranch;
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.ScmResult;
import org.apache.maven.scm.ScmTag;
import org.apache.maven.scm.ScmVersion;
import org.apache.maven.scm.command.AbstractCommand;
import org.apache.maven.scm.command.checkout.CheckOutScmResult;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.codehaus.plexus.util.FileUtils;
/**
* A dummy check-out command.
*
* @author Benjamin Bentmann
*/
class StubCheckOutCommand
extends AbstractCommand
{
protected ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet fileSet,
CommandParameters parameters )
throws ScmException
{
List checkedOutFiles = new ArrayList();
try
{
StubScmProviderRepository stubRepo = (StubScmProviderRepository) repository;
File workingCopyRoot = fileSet.getBasedir();
ScmVersion version = parameters.getScmVersion( CommandParameter.SCM_VERSION );
File revRoot;
if ( version instanceof ScmTag )
{
revRoot = new File( stubRepo.getTagBase(), version.getName() );
}
else if ( version instanceof ScmBranch )
{
revRoot = new File( stubRepo.getBranchBase(), version.getName() );
}
else
{
revRoot = stubRepo.getRoot();
}
logger.info( "Checking out: " + revRoot + " > " + workingCopyRoot );
if ( workingCopyRoot.isFile() )
{
throw new IOException( "Cannot check out into exising file" );
}
if ( workingCopyRoot.isDirectory() && workingCopyRoot.list().length > 0 )
{
throw new IOException( "Cannot check out into non-empty directory" );
}
List paths = stubRepo.getPaths( workingCopyRoot, fileSet );
if ( paths.isEmpty() )
{
paths.add( "." );
}
new File( workingCopyRoot, StubScmProviderRepository.WORKING_COPY_ROOT_MARKER_FILE ).createNewFile();
for ( Iterator it = paths.iterator(); it.hasNext(); )
{
String path = (String) it.next();
File srcFile = new File( revRoot, path );
File dstFile = new File( workingCopyRoot, path );
logger.info( " " + path );
if ( srcFile.isDirectory() )
{
FileUtils.copyDirectoryStructure( srcFile, dstFile );
}
else if ( srcFile.isFile() )
{
FileUtils.copyFile( srcFile, dstFile );
}
else
{
throw new IOException( "Cannot check out non-existing file: " + srcFile );
}
checkedOutFiles.add( new ScmFile( path, ScmFileStatus.CHECKED_OUT ) );
}
}
catch ( IOException e )
{
throw new ScmException( "Error while checking out the files.", e );
}
return new CheckOutScmResult( null, checkedOutFiles );
}
}