/*
    * 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.tutorial;
  
  import org.ini4j.Wini;
  
  import org.ini4j.sample.Dwarf;
  import org.ini4j.sample.Dwarfs;
  
  import org.ini4j.test.DwarfsData;
  import org.ini4j.test.Helper;
  
  import static org.junit.Assert.*;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.IOException;
  
  //<editor-fold defaultstate="collapsed" desc="apt documentation">
  //|
  //|                -------------------
  //|                One minute Tutorial
  //|
  //|One minute Tutorial - First step
  //|
  //| First step with \[ini4j\] library. No data model, no interfaces, no design
  //| patterns, simply read and write windows .ini files.
  //|
  //</editor-fold>
  public class OneMinuteTutorial extends AbstractTutorial
  {
      public static void main(String[] args) throws Exception
      {
          new OneMinuteTutorial().run(filearg(args));
      }
  
      protected void copy(File inputFile, File outputFile) throws IOException
      {
          FileInputStream is = new FileInputStream(inputFile);
          FileOutputStream os = new FileOutputStream(outputFile);
          byte[] buff = new byte[8192];
          int n;
  
          while ((n = is.read(buff)) > 0)
          {
              os.write(buff, 0, n);
          }
  
          is.close();
          os.close();
      }
  
      @Override protected void run(File arg) throws Exception
      {
          File file = File.createTempFile("tutorial", ".ini");
  
          file.deleteOnExit();
          copy(arg, file);
          sample01(file.getCanonicalPath());
          sample02(file.getCanonicalPath());
      }
  
  //|
  //| Lets read some value from .ini file...
  //|
  //{
      void sample01(String filename) throws IOException
      {
          Wini ini = new Wini(new File(filename));
          int age = ini.get("happy", "age", int.class);
          double height = ini.get("happy", "height", double.class);
          String dir = ini.get("happy", "homeDir");
  
  //}
  //| ... assuming there is a section with name <<<happy>>>, which contains at least
  //| the following options: <<<age>>>, <<<height>>> and <<<homeDir>>>, something like
  //| this:
  //|
  //|+---------+
  //| [happy]
  //| age = 99
  //| height = 77.66
  //| homeDir = /home/happy
  //|+---------+
  //|
 //|
         assertEquals(DwarfsData.happy.age, age);
         assertEquals(DwarfsData.happy.height, height, Helper.DELTA);
         assertEquals(DwarfsData.happy.homeDir, dir);
     }
 
 //| Now let see how to write values....
 //|
 //{
     void sample02(String filename) throws IOException
     {
         Wini ini = new Wini(new File(filename));
 
         ini.put("sleepy", "age", 55);
         ini.put("sleepy", "weight", 45.6);
         ini.store();
 
 //}
 //| ... and then file will have a section <<<sleepy>>> and this section
 //| will contains at least two options: <<<age>>> with value <<<55>>> and <<<weight>>>
 //| with value <<<45.6>>>, something like this:
 //|
 //|+---------+
 //| [sleepy]
 //| age = 55
 //| weight = 45.6
 //|+---------+
 //|
         assertEquals(55, (int) ini.get(Dwarfs.PROP_SLEEPY, Dwarf.PROP_AGE, int.class));
         assertEquals(45.6, (double) ini.get(Dwarfs.PROP_SLEEPY, Dwarf.PROP_WEIGHT, double.class), Helper.DELTA);
     }
 
 //|
 //| If you want to know more about this library, read
 //| {{{../tutorial/index.html}tutorials}}
 }