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  • Book Overview & Buying Developing Middleware in Java EE 8
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Developing Middleware in Java EE 8

Developing Middleware in Java EE 8

By : Abdalla Mahmoud
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Developing Middleware in Java EE 8

Developing Middleware in Java EE 8

By: Abdalla Mahmoud

Overview of this book

Middleware is the infrastructure in software based applications that enables businesses to solve problems, operate more efficiently, and make money. As the use of middleware extends beyond a single application, the importance of having it written by experts increases substantially. This book will help you become an expert in developing middleware for a variety of applications. The book starts off by exploring the latest Java EE 8 APIs with newer features and managing dependencies with CDI 2.0. You will learn to implement object-to-relational mapping using JPA 2.1 and validate data using bean validation. You will also work with different types of EJB to develop business logic, and with design RESTful APIs by utilizing different HTTP methods and activating JAX-RS features in enterprise applications. You will learn to secure your middleware with Java Security 1.0 and implement various authentication techniques, such as OAuth authentication. In the concluding chapters, you will use various test technologies, such as JUnit and Mockito, to test applications, and Docker to deploy your enterprise applications. By the end of the book, you will be proficient in developing robust, effective, and distributed middleware for your business.
Table of Contents (12 chapters)
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Mapping objects

The first thing to learn in JSON-B API, is basically mapping Java objects from/to JSON strings. The entry point to use mapping and other JSON-B features are the Jsonb object. The Jsonb object is instantiated through a JsonbBuilder class, as will be shown in the following example.

After creating the jsonb object, the methods toJson() and fromJson() serialize an object to a JSON string and deserialize an object from a JSON string, respectively. In the following example, we will show how to serialize a movie object into a JSON string:

public class Movie { 
 
    private long id; 
    private String title; 
 
    // setters and getters here 
 
} 
 
// instantiating a jsonb object 
Jsonb jsonb = JsonbBuilder.create(); 
jsonb.toJson(jsonb); 
 
//creating a movie object 
Movie movie = new Movie(); 
movie.setId(15); 
movie.setTitle("Beauty and The Beast...
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Developing Middleware in Java EE 8
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