001package org.apache.maven.scm.provider.git.gitexe.command.remove;
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.ScmFile;
023import org.apache.maven.scm.ScmFileStatus;
024import org.apache.maven.scm.log.ScmLogger;
025import org.codehaus.plexus.util.cli.StreamConsumer;
026
027import java.util.ArrayList;
028import java.util.List;
029import java.util.regex.Matcher;
030import java.util.regex.Pattern;
031
032/**
033 * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
034 * @author Olivier Lamy
035 *
036 */
037public class GitRemoveConsumer
038    implements StreamConsumer
039{
040    /**
041     * The pattern used to match deleted file lines
042     */
043    private static final Pattern REMOVED_PATTERN = Pattern.compile( "^rm\\s'(.*)'" );
044
045    private ScmLogger logger;
046
047    private List<ScmFile> removedFiles = new ArrayList<ScmFile>();
048
049    // ----------------------------------------------------------------------
050    //
051    // ----------------------------------------------------------------------
052
053    public GitRemoveConsumer( ScmLogger logger )
054    {
055        this.logger = logger;
056    }
057
058    // ----------------------------------------------------------------------
059    // StreamConsumer Implementation
060    // ----------------------------------------------------------------------
061
062    /**
063     * {@inheritDoc}
064     */
065    public void consumeLine( String line )
066    {
067        if ( line.length() <= 2 )
068        {
069            return;
070        }
071
072        Matcher matcher = REMOVED_PATTERN.matcher( line );
073        if ( matcher.matches() )
074        {
075            String file = matcher.group( 1 );
076            removedFiles.add( new ScmFile( file, ScmFileStatus.DELETED ) );
077        }
078        else
079        {
080            if ( logger.isInfoEnabled() )
081            {
082                logger.info( "could not parse line: " + line );
083            }
084
085            return;
086        }
087    }
088
089    public List<ScmFile> getRemovedFiles()
090    {
091        return removedFiles;
092    }
093
094}