001package org.apache.maven.scm.provider.clearcase.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 java.io.File;
023import java.io.FileNotFoundException;
024import java.io.IOException;
025import java.util.ResourceBundle;
026
027import org.apache.maven.scm.providers.clearcase.settings.Settings;
028import org.apache.maven.scm.providers.clearcase.settings.io.xpp3.ClearcaseXpp3Reader;
029import org.codehaus.plexus.util.ReaderFactory;
030import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
031
032/**
033 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
034 *
035 */
036public final class ClearCaseUtil
037{
038
039    protected static final String CLEARCASE_SETTINGS_FILENAME = "clearcase-settings.xml";
040
041    public static final File DEFAULT_SETTINGS_DIRECTORY = new File( System.getProperty( "user.home" ), ".scm" );
042
043    private static File settingsDirectory = DEFAULT_SETTINGS_DIRECTORY;
044
045    private static final String RESOURCE_FILENAME = "org.apache.maven.scm.provider.clearcase.command.clearcase";
046
047    private static final ResourceBundle RESOURCE_BUNDLE = ResourceBundle.getBundle( RESOURCE_FILENAME );
048
049    private static Settings settings;
050
051    private ClearCaseUtil()
052    {
053    }
054
055    public static String getLocalizedResource( String key )
056    {
057        return RESOURCE_BUNDLE.getString( key );
058    }
059
060    public static Settings getSettings() 
061    {
062        if ( settings == null )
063        {
064            settings = readSettings();
065        }
066        return settings;
067    }
068    
069    public static Settings readSettings() 
070    {
071        File settingsFile = new File( settingsDirectory, CLEARCASE_SETTINGS_FILENAME );
072
073        if ( !settingsFile.exists() )
074        {
075            File scmGlobalDir = new File( System.getProperty( "maven.home" ), "conf" );
076            settingsFile = new File( scmGlobalDir, CLEARCASE_SETTINGS_FILENAME );
077        }
078
079        if ( settingsFile.exists() )
080        {
081            ClearcaseXpp3Reader reader = new ClearcaseXpp3Reader();
082            try
083            {
084                return reader.read( ReaderFactory.newXmlReader( settingsFile ) );
085            }
086            catch ( FileNotFoundException e )
087            {
088                // nop
089            }
090            catch ( IOException e )
091            {
092                // nop
093            }
094            catch ( XmlPullParserException e )
095            {
096                String message = settingsFile.getAbsolutePath() + " isn't well formed. SKIPPED." + e.getMessage();
097
098                System.out.println( message );
099            }
100        }
101
102        return new Settings();
103    }
104
105    public static void setSettingsDirectory( File directory )
106    {
107        settingsDirectory = directory;
108        settings = readSettings();
109    }
110}