/**
     * 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" );