001 package org.apache.maven.scm.provider.svn;
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.codehaus.plexus.util.IOUtil;
023 import org.codehaus.plexus.util.Os;
024 import org.codehaus.plexus.util.StringUtils;
025
026 import java.io.BufferedReader;
027 import java.io.File;
028 import java.io.FileReader;
029 import java.io.IOException;
030 import java.util.ArrayList;
031 import java.util.Iterator;
032 import java.util.List;
033
034 /**
035 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
036 * @version $Id: SvnConfigFileReader.java 1058775 2011-01-13 22:52:38Z olamy $
037 */
038 public class SvnConfigFileReader
039 {
040 private File configDirectory;
041
042 public File getConfigDirectory()
043 {
044 if ( configDirectory == null )
045 {
046 if ( Os.isFamily( "windows" ) )
047 {
048 configDirectory = new File( System.getProperty( "user.home" ), "Application Data/Subversion" );
049 }
050 else
051 {
052 configDirectory = new File( System.getProperty( "user.home" ), ".subversion" );
053 }
054 }
055
056 return configDirectory;
057 }
058
059 public void setConfigDirectory( File configDirectory )
060 {
061 this.configDirectory = configDirectory;
062 }
063
064 public String getProperty( String group, String propertyName )
065 {
066 List<String> lines = getConfLines();
067
068 boolean inGroup = false;
069 for ( Iterator<String> i = lines.iterator(); i.hasNext(); )
070 {
071 String line = i.next().trim();
072
073 if ( !inGroup )
074 {
075 if ( ( "[" + group + "]" ).equals( line ) )
076 {
077 inGroup = true;
078 }
079 }
080 else
081 {
082 if ( line.startsWith( "[" ) && line.endsWith( "]" ) )
083 {
084 //a new group start
085 return null;
086 }
087
088 if ( line.startsWith( "#" ) )
089 {
090 continue;
091 }
092 if ( line.indexOf( '=' ) < 0 )
093 {
094 continue;
095 }
096
097 String property = line.substring( 0, line.indexOf( '=' ) ).trim();
098
099 if ( !property.equals( propertyName ) )
100 {
101 continue;
102 }
103
104 String value = line.substring( line.indexOf( '=' ) + 1 );
105 return value.trim();
106 }
107 }
108
109 return null;
110 }
111
112 /**
113 * Load the svn config file
114 *
115 * @return the list of all lines
116 */
117 private List<String> getConfLines()
118 {
119 List<String> lines = new ArrayList<String>();
120
121 BufferedReader reader = null;
122
123 try
124 {
125 if ( getConfigDirectory().exists() )
126 {
127 reader = new BufferedReader( new FileReader( new File( getConfigDirectory(), "config" ) ) );
128 String line;
129 while ( ( line = reader.readLine() ) != null )
130 {
131 if ( !line.startsWith( "#" ) && StringUtils.isNotEmpty( line ) )
132 {
133 lines.add( line );
134 }
135 }
136 }
137 }
138 catch ( IOException e )
139 {
140 lines.clear();
141 }
142 finally
143 {
144 IOUtil.close( reader );
145 reader = null;
146 }
147
148 return lines;
149 }
150 }