Release 10.1A: OpenEdge Development:
Programming Interfaces

Reading XML input into the 4GL

This section describes how to read XML input into the Progress 4GL.

To read in an XML file and process it:

Create an X-document object.
Create an X-noderef object to represent your root node.
Use the LOAD( ) method to read the input file.
Use the GET-DOCUMENT-ELEMENT( ) method to get the root node reference handle.
Create an X-noderef object to represent nodes for your document.
Using the GET-CHILD( ) method, read through the child nodes.
Using the GET-ATTRIBUTE( ) METHOD, the NAME attribute, the NODE-VALUE attribute and other attributes and methods, access the XML data.
Update the database or other fields as necessary.
Delete the objects.