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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.scm.provider.git.gitexe.command.branch;
20  
21  import org.apache.maven.scm.util.AbstractConsumer;
22  
23  /**
24   * This logger parses the output of <i>git symbolic-ref HEAD</i>
25   * to determine the current branch.
26   * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
27   *
28   */
29  public class GitCurrentBranchConsumer extends AbstractConsumer {
30  
31      private static final String BRANCH_INDICATOR = "refs/heads/";
32  
33      private String branch;
34  
35      public String getBranchName() {
36          return branch;
37      }
38  
39      // ----------------------------------------------------------------------
40      // StreamConsumer Implementation
41      // ----------------------------------------------------------------------
42  
43      /** {@inheritDoc} */
44      public void consumeLine(String line) {
45          line = line.trim();
46  
47          if (line.startsWith(BRANCH_INDICATOR)) {
48              branch = line.substring(BRANCH_INDICATOR.length());
49          }
50      }
51  }