String defaultEncoding = getDefaultJavaEncoding();
String defaultEncoding = System.getProperty("file.encoding");
    public static String getJavaEncoding(String iscEncoding) {        if (!encodingsLoaded)            loadEncodings();        //         // very important for performance        // if javaEncoding is the default one, set to null        //        String javaEncoding = (String)iscEncodings.get(iscEncoding);        String defaultEncoding = getDefaultJavaEncoding();        if (javaEncoding == null || javaEncoding.equalsIgnoreCase(defaultEncoding))             return null;        else             return javaEncoding;    }