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1   package org.apache.maven.scm.provider.cvslib.util;
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.providers.cvslib.settings.Settings;
23  import org.apache.maven.scm.providers.cvslib.settings.io.xpp3.CvsXpp3Reader;
24  import org.codehaus.plexus.util.ReaderFactory;
25  import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
26  
27  import java.io.File;
28  import java.io.FileNotFoundException;
29  import java.io.IOException;
30  
31  /**
32   * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
33   *
34   */
35  public class CvsUtil
36  {
37      protected static final String CVS_SETTINGS_FILENAME = "cvs-settings.xml";
38  
39      public static final File DEFAULT_SETTINGS_DIRECTORY = new File( System.getProperty( "user.home" ), ".scm" );
40  
41      private static File settingsDirectory = DEFAULT_SETTINGS_DIRECTORY;
42  
43      
44      public static Settings settings;;
45      
46      private CvsUtil()
47      {
48          // no op
49      }
50  
51      public static Settings getSettings()
52      {
53          if ( settings == null )
54          {
55              settings = readSettings();
56          }
57          return settings;
58      }
59      
60      public static Settings readSettings()
61      {
62          File settingsFile = getSettingsFile();
63  
64          if ( settingsFile.exists() )
65          {
66              CvsXpp3Reader reader = new CvsXpp3Reader();
67              try
68              {
69                  return reader.read( ReaderFactory.newXmlReader( settingsFile ) );
70              }
71              catch ( FileNotFoundException e )
72              {
73                  // skip error 
74              }
75              catch ( IOException e )
76              {
77                  // skip error
78              }
79              catch ( XmlPullParserException e )
80              {
81                  String message = settingsFile.getAbsolutePath() + " isn't well formed. SKIPPED." + e.getMessage();
82  
83                  System.err.println( message );
84              }
85          }
86  
87          return new Settings();
88      }
89  
90      public static void setSettingsDirectory( File directory )
91      {
92          settingsDirectory = directory;
93          settings = readSettings();
94      }
95      
96      public static File getSettingsFile()
97      {
98      	return new File( settingsDirectory, CVS_SETTINGS_FILENAME );
99      }
100 }