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1   package org.apache.maven.scm.provider.accurev.cli;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.regex.Matcher;
23  import java.util.regex.Pattern;
24  
25  import org.codehaus.plexus.util.cli.StreamConsumer;
26  
27  /**
28   * 
29   */
30  public class ClientVersionConsumer
31      implements StreamConsumer
32  {
33      private static final Pattern CLIENT_VERSION_PATTERN = Pattern.compile( "^AccuRev ([0-9a-z.]+) .*" );
34  
35      private String clientVersion;
36  
37      public void consumeLine( String line )
38      {
39          if ( clientVersion == null )
40          {
41              Matcher matcher = CLIENT_VERSION_PATTERN.matcher( line );
42              if ( matcher.matches() )
43              {
44                  clientVersion = matcher.group( 1 );
45              }
46          }
47      }
48  
49      public String getClientVersion()
50      {
51          return clientVersion;
52      }
53  
54  }