001    package 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    
022    import java.util.regex.Matcher;
023    import java.util.regex.Pattern;
024    
025    import org.codehaus.plexus.util.cli.StreamConsumer;
026    
027    public 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    }