/** XelfiCompilerMain class

 * @author: Filip Dvorak

 * @version: 1.3

 */

 package xelfi.compiler;

 import java.io.*;

 import java.util.Arrays;

 import javax.tools.JavaCompiler;

 import javax.tools.StandardJavaFileManager;

 import javax.tools.ToolProvider;

 class XelfiCompilerMain extends Object implements MainCompiler

 {

     /** Output from compiler is send here. */

   protected XelfiCompilerOutput out;

   XelfiCompilerMain(XelfiCompilerOutput o)

   {

     out = o;

   }

   public void compileClass(File file)

   {

     String args[] = null;

     if(CompilerOptions.getUseGparam())

     {

       args = new String[2];

       args[0] = "-g";

       args[1] = file.toString();

       output("Compiling: " + args[0] + " " + args[1]);

     }

     else

     {

       args = new String[1];

       args[0] = file.toString();

       output("Compiling: " + args[0]);

     }

     JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

     StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);

     try {

       compiler.getTask(new OutputStreamWriter(out), fm, null, Arrays.asList(args).subList(0, args.length - 1), null, fm.getJavaFileObjects(args[args.length - 1])).call();

     } finally {

       try {

         fm.close();

       } catch (IOException ex) {

          ex.printStackTrace();

       }

     }

     output("\n");

   }

   public void error(String err)

   {

     out.topLevelError(err);

   }

   public void output(String msg)

   {

     out.topLevelOutput(msg);

   }

 }