inputStream | java.io.InputStream The InputStream to convert to a reader object. |
encoding | String. Optional. Name of a registered, IANA character set (for example, ISO-8859-1). If you specify an unsupported encoding, the system throws an exception. If no value is specified or if the encoding is set to autoDetect, the default operating system encoding is used. |
reader | java.io.Reader The reader object read from inputStream. |