package org.apache.maven.scm.provider.cvslib.util;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  * http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import org.apache.maven.scm.providers.cvslib.settings.Settings;

 import org.apache.maven.scm.providers.cvslib.settings.io.xpp3.CvsXpp3Reader;

 import org.codehaus.plexus.util.ReaderFactory;

 import org.codehaus.plexus.util.xml.pull.XmlPullParserException;

 import java.io.File;

 import java.io.FileNotFoundException;

 import java.io.IOException;

 /**

  * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>

  * @version $Id: CvsUtil.java 952835 2010-06-08 21:54:33Z olamy $

  */

 public class CvsUtil

 {

     protected static final String CVS_SETTINGS_FILENAME = "cvs-settings.xml";

     public static final File DEFAULT_SETTINGS_DIRECTORY = new File( System.getProperty( "user.home" ), ".scm" );

     private static File settingsDirectory = DEFAULT_SETTINGS_DIRECTORY;

     public static Settings settings;;

     private CvsUtil()

     {

         // no op

     }

     public static Settings getSettings()

     {

         if ( settings == null )

         {

             settings = readSettings();

         }

         return settings;

     }

     public static Settings readSettings()

     {

         File settingsFile = getSettingsFile();

         if ( settingsFile.exists() )

         {

             CvsXpp3Reader reader = new CvsXpp3Reader();

             try

             {

                 return reader.read( ReaderFactory.newXmlReader( settingsFile ) );

             }

             catch ( FileNotFoundException e )

             {

                 // skip error 

             }

             catch ( IOException e )

             {

                 // skip error

             }

             catch ( XmlPullParserException e )

             {

                 String message = settingsFile.getAbsolutePath() + " isn't well formed. SKIPPED." + e.getMessage();

                 System.err.println( message );

             }

         }

         return new Settings();

     }

     public static void setSettingsDirectory( File directory )

     {

         settingsDirectory = directory;

         settings = readSettings();

     }

     public static File getSettingsFile()

     {

             return new File( settingsDirectory, CVS_SETTINGS_FILENAME );

     }

 }