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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.util;
20  
21  import java.io.File;
22  import java.io.IOException;
23  
24  import org.apache.maven.scm.providers.gitlib.settings.Settings;
25  import org.apache.maven.scm.providers.gitlib.settings.io.xpp3.GitXpp3Reader;
26  import org.codehaus.plexus.util.ReaderFactory;
27  import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
28  
29  /**
30   * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
31   *
32   */
33  public class GitUtil {
34      protected static final String GIT_SETTINGS_FILENAME = "git-settings.xml";
35  
36      public static final File DEFAULT_SETTINGS_DIRECTORY = new File(System.getProperty("user.home"), ".scm");
37  
38      private static File settingsDirectory = DEFAULT_SETTINGS_DIRECTORY;
39  
40      private static Settings settings;
41  
42      private GitUtil() {
43          // no op
44      }
45  
46      public static Settings getSettings() {
47          if (settings == null) {
48              settings = readSettings();
49          }
50          return settings;
51      }
52  
53      public static Settings readSettings() {
54          File settingsFile = getSettingsFile();
55  
56          if (settingsFile.exists()) {
57              GitXpp3Reader reader = new GitXpp3Reader();
58              try {
59                  return reader.read(ReaderFactory.newXmlReader(settingsFile));
60              } catch (IOException e) {
61                  // Nothing to do
62              } catch (XmlPullParserException e) {
63                  String message = settingsFile.getAbsolutePath() + " isn't well formed. SKIPPED." + e.getMessage();
64  
65                  System.err.println(message);
66              }
67          }
68  
69          return new Settings();
70      }
71  
72      public static void setSettingsDirectory(File directory) {
73          settingsDirectory = directory;
74          settings = readSettings();
75      }
76  
77      public static File getSettingsFile() {
78          return new File(settingsDirectory, GIT_SETTINGS_FILENAME);
79      }
80  }