101companies

Headline

Object/XML mapping with C# and .NET's xsd.exe

Motivation

X/O mapping within the .NET platform is exercised. The implementation is also motivated by the Contribution:jaxbComposition and aims to compare Java and .NET approaches. Technology:xsd.exe is used to generate C# classes from the schema. We show one of the xsd.exe usage scenarios, where C# object model generated from XSD schema is used to deserialize XML which match the same XSD. We apply .NET XML serialization API to support X/O mapping of the actual XML data. To this end we say that xsd.exe is used to map XSD/C# type systems, which are used by .NET XML serialization API to se/de-serialize the actual data.

Architecture

Company.xsd is the schema for schema-first mapping. Company.cs is an output produced by applying xsd.exe to the schema file. Features.cs contains a partial class with Feature:Total and Feature:Cut implementations. In fact they are an exact copy of Contribution:csharp SampleCompany.xml contains the serialized company and used in unit tests.

Both XSD and XML files are taken from Contribution:jaxbComposition with one minor change: types' names are capitalized to follow C# coding best practices.

Usage

Technology:Visual Studio 2010 should be used to open a project file. The project itself is a class-library and compiles into a DLL. To run a project you must execute at least one unit test (or all at once). Nunit GUI or other Visual studio extension (e.g. Resharper) should be used for executing unit tests.

The following command should be used if one wants to re-generate C# sources from xsd file: xsd Company.xsd /classes /out:../

This implementation has been tested with C# Version 4.0 and NUnit Version 2.5.

(C) 2012-2024 softlang.org and contributors

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