gcc/libjava/scripts/MakeDefaultMimeTypes.java

/* Copyright (C) 2000, 2003  Free Software Foundation

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
details.  */

import gnu.gcj.io.MimeTypes;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.NoSuchElementException;

public class MakeDefaultMimeTypes
{
  private static void fatal (String message)
  {
    System.err.println ("MakeDefaultMimeTypes Error: " + message);
    System.exit (-1);
  }
  
  public static void main (String[] args)
  {
    Hashtable mime_table = new Hashtable ();
    
    if (args.length != 1)
      fatal ("missing mime type filename");

    try {
      MimeTypes.fillFromFile (mime_table, args[0]);
    } catch (FileNotFoundException ex) {
      fatal ("can't open " + args[0]);
    } catch (IOException ex) {
      fatal ("error reading " + args[0]);
    }

    System.out.println ("// Do not edit this file!  Create a new version with MakeDefaultMimeTypes.\n\n/* Copyright (C) 2000  Free Software Foundation\n\n   This file is part of libgcj.\n\nThis software is copyrighted work licensed under the terms of the\nLibgcj License.  Please consult the file \"LIBGCJ_LICENSE\" for\ndetails.  */\n\npackage gnu.gcj.io; \n\npublic class DefaultMimeTypes\n{\n  public static final String[] types = {");

    Enumeration keys = mime_table.keys();
    Enumeration values = mime_table.elements();
    
    // Prepend first element with open bracket
    StringBuffer result = new StringBuffer("");
    
    try
      {
	result.append("      \"" 
		      + keys.nextElement().toString() 
		      + "\",\t\"" 
		      + values.nextElement().toString()
		      + "\"\n");
      }
    catch (NoSuchElementException ex)
      {
      }
    
    // Prepend subsequent elements with ", "
    try
      {
	while (true)
	  result.append("    , \"" 
			+ keys.nextElement().toString() 
			+ "\",\t\"" 
			+ values.nextElement().toString()
			+ "\"\n");
      }
    catch (NoSuchElementException ex)
      {
      }
    
    // Append last element with closing bracket
    result.append("  };\n}\n");
    System.out.println(result);
  }
}