package org.apache.maven.scm.provider.git.jgit.command.blame;
/*
* 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.ScmFileSet;
import org.apache.maven.scm.command.blame.AbstractBlameCommand;
import org.apache.maven.scm.command.blame.BlameLine;
import org.apache.maven.scm.command.blame.BlameScmResult;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.git.command.GitCommand;
import org.apache.maven.scm.provider.git.jgit.command.JGitUtils;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.blame.BlameResult;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* @author Dominik Bartholdi (imod)
* @since 1.9
*/
public class JGitBlameCommand
extends AbstractBlameCommand
implements GitCommand
{
@Override
public BlameScmResult executeBlameCommand( ScmProviderRepository repo, ScmFileSet workingDirectory,
String filename )
throws ScmException
{
Git git = null;
File basedir = workingDirectory.getBasedir();
try
{
git = Git.open( basedir );
BlameResult blameResult = git.blame().setFilePath( filename ).call();
List<BlameLine> lines = new ArrayList<BlameLine>();
int i = 0;
while ( ( i = blameResult.computeNext() ) != -1 )
{
lines.add( new BlameLine( blameResult.getSourceAuthor( i ).getWhen(),
blameResult.getSourceCommit( i ).getName(),
blameResult.getSourceAuthor( i ).getName(),
blameResult.getSourceCommitter( i ).getName() ) );
}
return new BlameScmResult( "JGit blame", lines );
}
catch ( Exception e )
{
throw new ScmException( "JGit blame failure!", e );
}
finally
{
JGitUtils.closeRepo( git );
}
}
}