Using XML with Legacy Business Applications

Requirements

The general requirement for this utility is to convert one or more XML instance documents, each representing a single logical document, into a single flat file. Here's a summary of the required functionality.

• Inputs: A directory containing one or more XML instance documents, each in a single file. All have the same grammar. The second input is a file description document (as discussed in Chapter 6) that describes the XML documents and the flat file to be produced.

• Processing: Each input Element corresponding to a record (as described in the file description document) is written to a record in the flat output file. Each of its child Elements corresponding to fields are written to the appropriate fields in the record. Data types are ...