001package org.apache.maven.scm.provider.cvslib.cvsexe.command.blame;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.maven.scm.ScmException;
023import org.apache.maven.scm.command.blame.BlameScmResult;
024import org.apache.maven.scm.provider.cvslib.command.blame.AbstractCvsBlameCommand;
025import org.apache.maven.scm.provider.cvslib.command.blame.CvsBlameConsumer;
026import org.apache.maven.scm.provider.cvslib.repository.CvsScmProviderRepository;
027import org.codehaus.plexus.util.cli.CommandLineException;
028import org.codehaus.plexus.util.cli.CommandLineUtils;
029import org.codehaus.plexus.util.cli.Commandline;
030
031/**
032 * @author Evgeny Mandrikov
033 * @since 1.4
034 */
035public class CvsExeBlameCommand
036    extends AbstractCvsBlameCommand
037{
038    /**
039     * {@inheritDoc}
040     */
041    protected BlameScmResult executeCvsCommand( Commandline cl, CvsScmProviderRepository repository )
042        throws ScmException
043    {
044        CvsBlameConsumer consumer = new CvsBlameConsumer( getLogger() );
045        CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
046        int exitCode;
047        try
048        {
049            exitCode = CommandLineUtils.executeCommandLine( cl, consumer, stderr );
050        }
051        catch ( CommandLineException ex )
052        {
053            throw new ScmException( "Error while executing cvs command.", ex );
054        }
055        if ( exitCode != 0 )
056        {
057            return new BlameScmResult( cl.toString(), "The cvs command failed.", stderr.getOutput(), false );
058        }
059        return new BlameScmResult( cl.toString(), consumer.getLines() );
060    }
061}