001    /*
002     * Copyright 2005,2009 Ivan SZKIBA
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.ini4j.spi;
017    
018    import org.ini4j.Config;
019    import org.ini4j.InvalidFileFormatException;
020    
021    import java.io.IOException;
022    import java.io.InputStream;
023    import java.io.Reader;
024    
025    import java.net.URL;
026    
027    public class OptionsParser extends AbstractParser
028    {
029        private static final String COMMENTS = "!#";
030        private static final String OPERATORS = ":=";
031    
032        public OptionsParser()
033        {
034            super(OPERATORS, COMMENTS);
035        }
036    
037        public static OptionsParser newInstance()
038        {
039            return ServiceFinder.findService(OptionsParser.class);
040        }
041    
042        public static OptionsParser newInstance(Config config)
043        {
044            OptionsParser instance = newInstance();
045    
046            instance.setConfig(config);
047    
048            return instance;
049        }
050    
051        public void parse(InputStream input, OptionsHandler handler) throws IOException, InvalidFileFormatException
052        {
053            parse(newIniSource(input, handler), handler);
054        }
055    
056        public void parse(Reader input, OptionsHandler handler) throws IOException, InvalidFileFormatException
057        {
058            parse(newIniSource(input, handler), handler);
059        }
060    
061        public void parse(URL input, OptionsHandler handler) throws IOException, InvalidFileFormatException
062        {
063            parse(newIniSource(input, handler), handler);
064        }
065    
066        private void parse(IniSource source, OptionsHandler handler) throws IOException, InvalidFileFormatException
067        {
068            handler.startOptions();
069            for (String line = source.readLine(); line != null; line = source.readLine())
070            {
071                parseOptionLine(line, handler, source.getLineNumber());
072            }
073    
074            handler.endOptions();
075        }
076    }