001package org.apache.maven.scm.provider.svn.util;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.maven.scm.providers.svn.settings.Settings;
023import org.apache.maven.scm.providers.svn.settings.io.xpp3.SvnXpp3Reader;
024import org.codehaus.plexus.util.ReaderFactory;
025import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
026
027import java.io.File;
028import java.io.FileNotFoundException;
029import java.io.IOException;
030
031/**
032 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
033 *
034 */
035public class SvnUtil
036{
037    protected static final String SVN_SETTINGS_FILENAME = "svn-settings.xml";
038
039    public static final File DEFAULT_SETTINGS_DIRECTORY = new File( System.getProperty( "user.home" ), ".scm" );
040
041    private static File settingsDirectory = DEFAULT_SETTINGS_DIRECTORY;
042    
043    private static Settings settings;
044
045    private SvnUtil()
046    {
047    }
048    
049    public static Settings getSettings()
050    {
051        if ( settings == null )
052        {
053            settings = readSettings();
054        }
055        return settings;
056    }
057
058    public static Settings readSettings()
059    {
060        File settingsFile = getSettingsFile();
061
062        if ( settingsFile.exists() )
063        {
064            SvnXpp3Reader reader = new SvnXpp3Reader();
065            try
066            {
067                return reader.read( ReaderFactory.newXmlReader( settingsFile ) );
068            }
069            catch ( FileNotFoundException e )
070            {
071                //Nothing to do
072            }
073            catch ( IOException e )
074            {
075                //Nothing to do
076            }
077            catch ( XmlPullParserException e )
078            {
079                String message = settingsFile.getAbsolutePath() + " isn't well formed. SKIPPED." + e.getMessage();
080
081                System.err.println( message );
082            }
083        }
084
085        return new Settings();
086    }
087
088    public static void setSettingsDirectory( File directory )
089    {
090        settingsDirectory = directory;
091        settings = readSettings();
092    }
093    
094    public static File getSettingsFile()
095    {
096        return new File( settingsDirectory, SVN_SETTINGS_FILENAME );
097    }
098}