Book Image

Expert Delphi - Second Edition

By : Marco Cantù, Paweł Głowacki
Book Image

Expert Delphi - Second Edition

By: Marco Cantù, Paweł Głowacki

Overview of this book

Master Delphi, the most powerful Object Pascal IDE and versatile component library for cross-platform native app development, by harnessing its capabilities for building natively compiled, blazingly fast apps for all major platforms, including Android, iOS, Windows, Mac, and Linux. Expert Delphi begins with a quick overview of Delphi, helping you get acquainted with the IDE and the Object Pascal language. The book then quickly progresses to more advanced concepts, followed by the architecture of applications and the FireMonkey library, guiding you through building server-side services, parallel programming, and database access. Toward the end, you’ll learn how to integrate your app with various web services and deploy them effectively. By the end of this book, you’ll be adept at building powerful, cross-platform, native apps for iOS, Android, Windows, and macOS—all from a single code base.
Table of Contents (21 chapters)
Free Chapter
1
Part 1: Building Blocks
6
Part 2: Going Mobile
12
Part 3: From Data to Services
19
Index

Integrating with REST services

Technology does not like to stand still. It keeps evolving. Nowadays, SOAP Web Services are not as frequently used as compared to the early days, especially in comparison to REST.

Over time, the XML file format became harder and harder to process. The initially simple XML specification became more complex and the entire model has proven not flexible enough. In the meantime, the much simpler JSON became the most popular format for exchanging structured data.

The REST architecture for implementing Web Services is not as standardized as SOAP. There are several data structure and Web Service interface proposals, but none of them has gained a prominent position. The beauty of REST is that it fully adopts the underlying HTTP protocol (while SOAP is protocol agnostic) and it just uses HTTP request and response headers for structural information.

In REST, there is more freedom. Inside the REST server, there are different resources identified by their...