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
027public class ClientVersionConsumer
028    implements StreamConsumer
029{
030    private static final Pattern CLIENT_VERSION_PATTERN = Pattern.compile( "^AccuRev ([0-9a-z.]+) .*" );
031
032    private String clientVersion;
033
034    public void consumeLine( String line )
035    {
036        if ( clientVersion == null )
037        {
038            Matcher matcher = CLIENT_VERSION_PATTERN.matcher( line );
039            if ( matcher.matches() )
040            {
041                clientVersion = matcher.group( 1 );
042            }
043        }
044    }
045
046    public String getClientVersion()
047    {
048        return clientVersion;
049    }
050
051}