Template-Based Code Generation with Apache Velocity, Part 1

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Tutorial: Template-Based Code Generation with Apache Velocity, Part 1

Template-Based Code Generation with Apache Velocity, Part I'm going to discuss template-based code generation, explain basic concepts related to templates and transformations, and demonstrate the huge benefits they can bring in code generation.

Tutorial Details:

Templates and Transformations
Template-based transformations are ubiquitous in the software development world. A wide number of tools use templates to transform data from a format to another. For example, XSLT is the standard way to perform XML document transformations based on templates that are written according to the eXtensible Stylesheet Language.

four components involved in a template-based transformation process. They are:

Data Model: Contains data, organized in a specific structure, that have to be transformed.
Template: Formats the data model into the output code. It contains references to entities belonging to the data model.
Template Engine: The application that performs the transformation. It has the input data model and the template, and produces output by replacing the template internal references with real data coming from the model.
Target: The result of the transformation process.

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