json.JSONReader.readFrom

Sets the input stream of the JSONReader object to a file or an URL.

Syntax

readFrom(
   name STRING )
  1. name defines a valid URL or the name of the file to read.

Usage

This method sets the input stream of the JSONReader object to a file or a URL, where name is a valid URL or the name of the file.

Only the following kinds of URLs are supported:
  • http://
  • https://
  • tcp://
  • tcps://
  • file:///
  • alias://
See fglprofile Configuration for more details about URL mapping with aliases, and for proxy and security configuration.

In case of error, the method throws an exception and sets the status variable. Depending on the error, a human-readable description of the problem is available in the sqlca.sqlerrm register. See Error handling in GWS calls (status).