try {
            handshake();
        } catch (IOException ex) { }
        return connection.getHeaderFieldInt(header, def);
    }

    public long getHeaderFieldDate(String header, long def) {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getHeaderFieldDate(header, def);
    }

    /**
     * Retrieve a boolean value. If the property is not found, the value of <code>def</code> is returned.
     */
    public static boolean getBoolean ( Properties props, String key, boolean def ) {
        String b = props.getProperty(key);
        if ( b != null ) {
            def = b.toLowerCase().equals("true");
        }
        return def;
    }


    /**

    }

    public String getMimeType( String extension ) throws IOException {
        return getMimeType( extension, "application/octet-stream" );
    }
    public String getMimeType( String extension, String def ) throws IOException {
        int state, t, x, i, off;
        byte ch;
        byte[] type = new byte[128];
        byte[] buf = new byte[16];
        byte[] ext = extension.toLowerCase().getBytes( "ASCII" );

    }


    @Override
    public int getHeaderFieldInt ( String header, int def ) {
        handshake();
        return this.connection.getHeaderFieldInt(header, def);
    }


    @Override
    public long getHeaderFieldDate ( String header, long def ) {
        handshake();
        return this.connection.getHeaderFieldDate(header, def);
    }


    @Override

application/x-javascript       js               # Javascript
application/x-latex            latex            # Latex File
application/x-mif              mif              #
application/x-netcdf           nc cdf           #
#application/x-sh               sh               # sh Shell Program
application/x-shar             shar             #
application/x-shockwave-flash  swf              # Macromedia Shockwave file

    /**
     * Retrieve a boolean value. If the property is not found, the value of <code>def</code> is returned.
     */

    public static boolean getBoolean( String key, boolean def ) {
        String b = getProperty( key );
        if( b != null ) {
            def = b.toLowerCase().equals( "true" );
        }
        return def;
    }

    /**