001    package org.apache.maven.scm.provider.cvslib.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.cvslib.settings.Settings;
023    import org.apache.maven.scm.providers.cvslib.settings.io.xpp3.CvsXpp3Reader;
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 CvsUtil
036    {
037        protected static final String CVS_SETTINGS_FILENAME = "cvs-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        
044        public static Settings settings;;
045        
046        private CvsUtil()
047        {
048            // no op
049        }
050    
051        public static Settings getSettings()
052        {
053            if ( settings == null )
054            {
055                settings = readSettings();
056            }
057            return settings;
058        }
059        
060        public static Settings readSettings()
061        {
062            File settingsFile = getSettingsFile();
063    
064            if ( settingsFile.exists() )
065            {
066                CvsXpp3Reader reader = new CvsXpp3Reader();
067                try
068                {
069                    return reader.read( ReaderFactory.newXmlReader( settingsFile ) );
070                }
071                catch ( FileNotFoundException e )
072                {
073                    // skip error 
074                }
075                catch ( IOException e )
076                {
077                    // skip error
078                }
079                catch ( XmlPullParserException e )
080                {
081                    String message = settingsFile.getAbsolutePath() + " isn't well formed. SKIPPED." + e.getMessage();
082    
083                    System.err.println( message );
084                }
085            }
086    
087            return new Settings();
088        }
089    
090        public static void setSettingsDirectory( File directory )
091        {
092            settingsDirectory = directory;
093            settings = readSettings();
094        }
095        
096        public static File getSettingsFile()
097        {
098            return new File( settingsDirectory, CVS_SETTINGS_FILENAME );
099        }
100    }