001package org.apache.maven.scm.provider.accurev.cli;
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.regex.Matcher;
023import java.util.regex.Pattern;
024
025import org.codehaus.plexus.util.cli.StreamConsumer;
026
027/**
028 * 
029 */
030public class ClientVersionConsumer
031    implements StreamConsumer
032{
033    private static final Pattern CLIENT_VERSION_PATTERN = Pattern.compile( "^AccuRev ([0-9a-z.]+) .*" );
034
035    private String clientVersion;
036
037    public void consumeLine( String line )
038    {
039        if ( clientVersion == null )
040        {
041            Matcher matcher = CLIENT_VERSION_PATTERN.matcher( line );
042            if ( matcher.matches() )
043            {
044                clientVersion = matcher.group( 1 );
045            }
046        }
047    }
048
049    public String getClientVersion()
050    {
051        return clientVersion;
052    }
053
054}