Encoding getByName(String name)

Gets an Encoding object from the name of the character set name. The names used are the IANA official names for the character set (see http://www.iana.org/assignments/character-sets/character-sets.xml).

The name passed is case insensitive.

If character set is not supported null is returned.

Source 

static Encoding getByName(String name) {
  if (name == null) return null;
  name = name.toLowerCase();
  return _nameToEncoding[name];
}