•  Preface
  • Purpose
  • Audience
  • Organization
  •  Using this manual
    • References to ABL compiler and run-time features
    • References to ABL data types
  • Typographical conventions
  •  Examples of syntax descriptions
    • Long syntax descriptions split across lines
    • Complex syntax descriptions with both required and optional elements
  • Example procedures
  •  OpenEdge messages
    • Obtaining more information about OpenEdge messages
•  Using JSON with OpenEdge
  •  About JSON
    • Benefits of JSON
    • Benefits of using JSON in OpenEdge
  •  JSON basics
    • JSON data types
    • Simple values
    • Complex values
  •  Parsing JSON into and serializing JSON from an ABL data object model
    • JavaScript data model
    • Features
    •  Use Cases
      •  ABL Support
        • Progress.Json.ObjectModel.ObjectModelParser class
        • Progress.Json.ObjectModel.JsonObject class
        • Progress.Json.ObjectModel.JsonArray class
        • Progress.Json.ObjectModel.JsonDataType
  •  ABL serialization of ProDataSets, Temp-tables, Temp-Table buffer objects to/from JSON
    • Features
    • Use cases
    • ABL support
•  Parsing and Serializing JSON Objects and Arrays
  •  Introduction to the JSON object model in ABL
    • JsonObject
    • JsonArray
  • Parsing JSON strings into objects and arrays
  • Handling object model errors
•  Reading and Serializing JSON to/from ProDataSets and Temp-tables
  •  ABL support for JSON
    • Methods and attributes
  • Data type mapping
  •  Writing JSON from a temp-table, temp-table buffer, or a ProDataSet
    • Writing JSON from a ProDataSet
    •  Writing JSON from a temp-table
      • Writing JSON from a ProDataSet with before-image data
    •  Minimizing the size of JSON data
      • Omitting the outer object in the JSON string
      • Omitting foreign key fields in nested child records
      • Omitting fields with initial values
  • Writing JSON from a temp-table buffer's current row
  •  Reading JSON into a temp-table, temp-table buffer, or ProDataSet
    • Reading JSON into a data object with defined schema
    • Inferring ABL schemas from JSON strings
  • Using JSON with WebSpeed