package btools.routingapp;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.File;

import android.content.Context;

public class ConfigHelper
{
  public static File getBaseDir( Context ctx )
  {
    // get base dir from private file

    try (InputStream configInput = ctx.openFileInput( "config15.dat" );
         InputStreamReader isr = new InputStreamReader( configInput );
         BufferedReader br = new BufferedReader(isr)) {
      return new File ( br.readLine() );
    }
    catch (Exception e)
    {
      return null;
    }
  }

  public static void writeBaseDir( Context ctx, File baseDir )
  {
    try (OutputStream configOutput = ctx.openFileOutput( "config15.dat", Context.MODE_PRIVATE );
         OutputStreamWriter osw = new OutputStreamWriter( configOutput );
         BufferedWriter bw = new BufferedWriter( osw)) {
      bw.write( baseDir.getAbsolutePath () );
      bw.write( '\n' );
    }
    catch (Exception e){ /* ignore */ }
  }
}