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1   package org.apache.maven.scm.provider.git.gitexe.command.remoteinfo;
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 org.apache.maven.scm.command.remoteinfo.RemoteInfoScmResult;
23  import org.apache.maven.scm.util.AbstractConsumer;
24  
25  import java.util.HashMap;
26  import java.util.regex.Matcher;
27  import java.util.regex.Pattern;
28  
29  /**
30   * @author Bertrand Paquet
31   */
32  public class GitRemoteInfoConsumer
33          extends AbstractConsumer
34  {
35  
36      /**
37       * The pattern used to match branches
38       */
39      private static final Pattern BRANCH_PATTERN = Pattern.compile( "^(.*)\\s+refs/heads/(.*)" );
40  
41      /**
42       * The pattern used to match tags
43       */
44      private static final Pattern TAGS_PATTERN = Pattern.compile( "^(.*)\\s+refs/tags/(.*)" );
45  
46      private final RemoteInfoScmResult remoteInfoScmResult;
47  
48      // ----------------------------------------------------------------------
49      //
50      // ----------------------------------------------------------------------
51  
52      public GitRemoteInfoConsumer( String commandLine )
53      {
54          this.remoteInfoScmResult =
55              new RemoteInfoScmResult( commandLine, new HashMap<>(), new HashMap<>() );
56      }
57  
58      // ----------------------------------------------------------------------
59      // StreamConsumer Implementation
60      // ----------------------------------------------------------------------
61  
62      /**
63       * {@inheritDoc}
64       */
65      public void consumeLine( String line )
66      {
67          if ( logger.isDebugEnabled() )
68          {
69              logger.debug( line );
70          }
71          
72          Matcher matcher = BRANCH_PATTERN.matcher( line );
73          if ( matcher.matches() )
74          {
75              remoteInfoScmResult.getBranches().put( matcher.group( 2 ), matcher.group( 1 ) );
76          }
77          
78          matcher = TAGS_PATTERN.matcher( line );
79          if ( matcher.matches() )
80          {
81              remoteInfoScmResult.getTags().put( matcher.group( 2 ), matcher.group( 1 ) );
82          }
83  
84      }
85  
86      public RemoteInfoScmResult getRemoteInfoScmResult()
87      {
88          return remoteInfoScmResult;
89      }
90  
91  }