//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: static byte[] encode(String charsetName, char[] ca, int off, int len) throws java.io.UnsupportedEncodingException
internal static sbyte[] Encode(String charsetName, char[] ca, int off, int len)
{
StringEncoder se = Deref(Encoder);
String csn = (charsetName == null) ? "ISO-8859-1" : charsetName;
if ((se == null) || !(csn.Equals(se.RequestedCharsetName()) || csn.Equals(se.CharsetName())))
{
se = null;
try
{
Charset cs = LookupCharset(csn);
if (cs != null)
{
se = new StringEncoder(cs, csn);
}
}
catch (IllegalCharsetNameException)
{
}
if (se == null)
{
throw new UnsupportedEncodingException(csn);
}
Set(Encoder, se);
}
return(se.Encode(ca, off, len));
}