001    package 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    
022    import org.apache.maven.scm.providers.svn.settings.Settings;
023    import org.apache.maven.scm.providers.svn.settings.io.xpp3.SvnXpp3Reader;
024    import org.codehaus.plexus.util.ReaderFactory;
025    import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
026    
027    import java.io.File;
028    import java.io.FileNotFoundException;
029    import java.io.IOException;
030    
031    /**
032     * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
033     *
034     */
035    public 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    }