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Method and apparatus for converting legacy programming language data structures to schema definitions

  • US 7,533,102 B2
  • Filed: 12/18/2002
  • Issued: 05/12/2009
  • Est. Priority Date: 08/29/2002
  • Status: Expired due to Fees
First Claim
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1. A method in a data processing system for generating a schema definition from a nested data structure definition defined in a legacy computer language, comprising:

  • identifying a plurality of identified data structures by scanning a source code stored in a computer-readable storage medium, wherein the source code is written in a legacy computer language;

    selecting via a Graphical User Interface (GUI) a nested data structure from the plurality of identified data structures;

    receiving a language-specific metamodel generated from the nested data structure definition written in the legacy computer language;

    naming and defining a first complex type schema element for the nested data structure, wherein naming and defining comprises setting a content model of the first complex type schema element to sequence; and

    creating the schema definition by walking through the language-specific metamodel to examine each node in a plurality of nodes of the language-specific metamodel, and for each node, creating a respective schema element according to a predefined mapped relationship, wherein creating the schema definition further comprises populating a schema tree; and

    serializing the schema tree after it is populated.

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