Book Image

Delphi Programming Projects

By : William Duarte
Book Image

Delphi Programming Projects

By: William Duarte

Overview of this book

Delphi is a cross-platform programming language and software development kit that supports rapid application development for Microsoft Windows, Apple Mac OS X, Android, and iOS. With the help of seven practical projects, this book will guide you through the best practices, Delphi Run-Time Library (RTL) resources, and design patterns. Whether you use the Visual Component Library (VCL) or FireMonkey (FMX) framework, these design patterns will be implemented in the same way in Delphi, using Object Pascal. In the first few chapters, you will explore advanced features that will help you build rich applications using the same code base for both mobile and desktop projects. In addition to this, you’ll learn how to implement microservice architecture in Delphi. As you get familiar with the various aspects of Delphi, you will no longer need to maintain source code for similar projects, program business rules on screens, or fill your forms with data access components. By the end of this book, you will have gained an understanding of the principles of clean code and become proficient in building robust and scalable applications in Delphi.
Table of Contents (9 chapters)

Request and response REST services

REST is one of the main models that has been described by Roy Fielding, one of the principal creators of the HTTP protocol, in his Ph.D. thesis and adopted as the model to be used in the evolution of the HTTP protocol architecture.

The Embarcadero REST Library is accessible for all platforms, supported by Delphi.

The framework focuses on JSON as the representation format. The XML format is not supported.

The Embarcadero REST Library consists of three main components—the request, the client, and the response. All are part of a single workflow when submitting, processing, and returning the request with JSON.

TRESTClient

This component performs a request to a REST server. TRESTClient...