/*
    * Copyright 2005,2009 Ivan SZKIBA
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.ini4j;
  
  import org.ini4j.spi.OptionsBuilder;
  import org.ini4j.spi.OptionsFormatter;
  import org.ini4j.spi.OptionsHandler;
  import org.ini4j.spi.OptionsParser;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.OutputStream;
  import java.io.OutputStreamWriter;
  import java.io.Reader;
  import java.io.Writer;
  
  import java.net.URL;
  
  public class Options extends BasicOptionMap implements Persistable, Configurable
  {
      private static final long serialVersionUID = -1119753444859181822L;
      private String _comment;
      private Config _config;
      private File _file;
  
      public Options()
      {
          _config = Config.getGlobal().clone();
          _config.setEmptyOption(true);
      }
  
      public Options(Reader input) throws IOException, InvalidFileFormatException
      {
          this();
          load(input);
      }
  
      public Options(InputStream input) throws IOException, InvalidFileFormatException
      {
          this();
          load(input);
      }
  
      public Options(URL input) throws IOException, InvalidFileFormatException
      {
          this();
          load(input);
      }
  
      public Options(File input) throws IOException, InvalidFileFormatException
      {
          this();
          _file = input;
          load();
      }
  
      public String getComment()
      {
          return _comment;
      }
  
      public void setComment(String value)
      {
          _comment = value;
      }
  
      @Override public Config getConfig()
      {
          return _config;
      }
  
      @Override public void setConfig(Config value)
      {
          _config = value;
      }
  
      @Override public File getFile()
      {
          return _file;
      }
  
      @Override public void setFile(File value)
     {
         _file = value;
     }
 
     @Override public void load() throws IOException, InvalidFileFormatException
     {
         if (_file == null)
         {
             throw new FileNotFoundException();
         }
 
         load(_file);
     }
 
     @Override public void load(InputStream input) throws IOException, InvalidFileFormatException
     {
         load(new InputStreamReader(input, getConfig().getFileEncoding()));
     }
 
     @Override public void load(Reader input) throws IOException, InvalidFileFormatException
     {
         OptionsParser.newInstance(getConfig()).parse(input, newBuilder());
     }
 
     @Override public void load(URL input) throws IOException, InvalidFileFormatException
     {
         OptionsParser.newInstance(getConfig()).parse(input, newBuilder());
     }
 
     @Override public void load(File input) throws IOException, InvalidFileFormatException
     {
         load(input.toURI().toURL());
     }
 
     @Override public void store() throws IOException
     {
         if (_file == null)
         {
             throw new FileNotFoundException();
         }
 
         store(_file);
     }
 
     @Override public void store(OutputStream output) throws IOException
     {
         store(new OutputStreamWriter(output, getConfig().getFileEncoding()));
     }
 
     @Override public void store(Writer output) throws IOException
     {
         store(OptionsFormatter.newInstance(output, getConfig()));
     }
 
     @Override public void store(File output) throws IOException
     {
         OutputStream stream = new FileOutputStream(output);
 
         store(stream);
         stream.close();
     }
 
     protected OptionsHandler newBuilder()
     {
         return OptionsBuilder.newInstance(this);
     }
 
     protected void store(OptionsHandler formatter) throws IOException
     {
         formatter.startOptions();
         storeComment(formatter, _comment);
         for (String name : keySet())
         {
             storeComment(formatter, getComment(name));
             int n = getConfig().isMultiOption() ? length(name) : 1;
 
             for (int i = 0; i < n; i++)
             {
                 String value = get(name, i);
 
                 formatter.handleOption(name, value);
             }
         }
 
         formatter.endOptions();
     }
 
     @Override boolean isPropertyFirstUpper()
     {
         return getConfig().isPropertyFirstUpper();
     }
 
     private void storeComment(OptionsHandler formatter, String comment)
     {
         formatter.handleComment(comment);
     }
 }