001    package org.apache.maven.scm.provider.hg.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    
022    import org.apache.maven.scm.ScmException;
023    import org.apache.maven.scm.ScmFileSet;
024    import org.apache.maven.scm.ScmResult;
025    import org.apache.maven.scm.command.blame.AbstractBlameCommand;
026    import org.apache.maven.scm.command.blame.BlameScmResult;
027    import org.apache.maven.scm.provider.ScmProviderRepository;
028    import org.apache.maven.scm.provider.hg.HgUtils;
029    
030    /**
031     * @author Evgeny Mandrikov
032     * @author Olivier Lamy
033     * @since 1.4
034     */
035    public class HgBlameCommand
036        extends AbstractBlameCommand
037    {
038        public static final String BLAME_CMD = "blame";
039    
040        /**
041         * {@inheritDoc}
042         */
043        public BlameScmResult executeBlameCommand( ScmProviderRepository repo, ScmFileSet workingDirectory,
044                                                   String filename )
045            throws ScmException
046        {
047            String[] cmd = new String[]{ BLAME_CMD, "--user",   // list the author
048                "--date",   // list the date
049                "--changeset", // list the global revision number
050                filename };
051            HgBlameConsumer consumer = new HgBlameConsumer( getLogger() );
052            ScmResult result = HgUtils.execute( consumer, getLogger(), workingDirectory.getBasedir(), cmd );
053            return new BlameScmResult( consumer.getLines(), result );
054        }
055    }