001package org.apache.maven.scm.provider.perforce.command.unedit;
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 java.util.ArrayList;
023import java.util.List;
024
025import org.apache.maven.scm.ScmFile;
026import org.apache.maven.scm.ScmFileStatus;
027import org.apache.maven.scm.provider.perforce.command.AbstractPerforceConsumer;
028import org.apache.regexp.RE;
029import org.apache.regexp.RESyntaxException;
030import org.codehaus.plexus.util.cli.StreamConsumer;
031
032/**
033 * @author Mike Perham
034 * @author Olivier Lamy
035 * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z
036 *          evenisse $
037 */
038public class PerforceUnEditConsumer
039    extends AbstractPerforceConsumer
040    implements StreamConsumer
041{
042
043    private static final String PATTERN = "^([^#]+)#\\d+ - (.*)";
044
045    private static final int STATE_NORMAL = 1;
046
047    private static final int STATE_ERROR = 2;
048
049    private int currentState = STATE_NORMAL;
050
051    private List<ScmFile> edits = new ArrayList<ScmFile>();
052
053    private RE revisionRegexp;
054
055    public PerforceUnEditConsumer()
056    {
057        try
058        {
059            revisionRegexp = new RE( PATTERN );
060        }
061        catch ( RESyntaxException ignored )
062        {
063            ignored.printStackTrace();
064        }
065    }
066
067    public List<ScmFile> getEdits()
068    {
069        return edits;
070    }
071
072    /** {@inheritDoc} */
073    public void consumeLine( String line )
074    {
075        if ( currentState != STATE_ERROR && revisionRegexp.match( line ) )
076        {
077            edits.add( new ScmFile(revisionRegexp.getParen( 1 ), ScmFileStatus.UNKNOWN ) );
078            return;
079        }
080
081        error( line );
082    }
083
084    private void error( String line )
085    {
086        currentState = STATE_ERROR;
087        output.println( line );
088    }
089
090    public boolean isSuccess()
091    {
092        return currentState == STATE_NORMAL;
093    }
094}