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Building Web Apps with Spring 5 and Angular

By : Shukla

2.1 (8)

Building Web Apps with Spring 5 and Angular

2.1 (8)

By: Shukla

Overview of this book

Spring is the most popular application development framework being adopted by millions of developers around the world to create high performing, easily testable, reusable code. Its lightweight nature and extensibility helps you write robust and highly-scalable server-side web applications. Coupled with the power and efficiency of Angular, creating web applications has never been easier. If you want build end-to-end modern web application using Spring and Angular, then this book is for you. The book directly heads to show you how to create the backend with Spring, showing you how to configure the Spring MVC and handle Web requests. It will take you through the key aspects such as building REST API endpoints, using Hibernate, working with Junit 5 etc. Once you have secured and tested the backend, we will go ahead and start working on the front end with Angular. You will learn about fundamentals of Angular and Typescript and create an SPA using components, routing etc. Finally, you will see how to integrate both the applications with REST protocol and deploy the application using tools such as Jenkins and Docker.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

Introduction to Spring Web Framework

Introduction to Spring Web Framework

Introduction to the Spring IOC container

Introduction to Spring Web MVC

Building Hello World web application with Spring Boot

Implementing Controllers

Handling request parameters

Handling Interceptors

Handling Response

Creating a RESTful web service

Dockerizing a Spring Boot application

Summary

Preparing the Spring Web Development Environment

Preparing the Spring Web Development Environment

Installing the Java SDK

Installing/configuring Maven

Installing the Eclipse IDE

Installing/configuring the Apache Tomcat server

Installing/configuring the MySQL database

Introduction to Docker

Setting up the development environment using Docker compose

Summary

Data Access Layer with Spring and Hibernate

Data Access Layer with Spring and Hibernate

An introduction to Hibernate

Setting up Hibernate with Spring

Design domain objects and database tables

Introduction to NamedQuery and Criteria

Common Hibernate operations

Transaction management

Summary

Testing and Running Spring Web App

Testing and Running Spring Web App

How to run the Spring Boot app

Introduction to unit testing fundamentals

Introduction to JUnit 5

Mocking dependencies using Mockito

Unit testing controllers, services, and DAOs

Summary

Securing Web App with Spring Security

Securing Web App with Spring Security

Introduction to Spring Security

Handling the login authentication

CSRF protection for API requests

Handling the logout request

OAuth2 for authentication/authorization

Summary

Getting Started with Angular

Getting Started with Angular

Introduction to Angular

How is Angular different from AngularJS?

Setting up the Angular development environment

TypeScript fundamentals

Forms

Pipes

Directives

Server communication

Bootstrapping an Angular app

Best practices

Summary

Creating SPA with Angular and Spring 5

Creating SPA with Angular and Spring 5

Introduction to routing

Configuring Route definitions

RouterLink for navigation

Route Guards for access control

Routing configuration design patterns

Creating a single page app (SPA)

Debugging Angular app

Summary

Unit Testing with Angular Apps

Unit Testing with Angular Apps

Introduction to unit testing

Unit testing tools for Angular apps

Setting up the unit test environment

Angular unit testing building blocks

Unit testing strategies

Unit testing the components

Unit testing the services

Summary

Securing an Angular App

Securing an Angular App

Common web application security vulnerabilities

Securing an app from XSS

Securing an app from XSSI

Securing app from CSRF/XSRF

Best practices

Summary

Integrating Angular App with Spring Web APIs

Integrating Angular App with Spring Web APIs

Building RESTful Spring web APIs

Configure Spring app for CORS

Key aspects of Angular data services

Building Angular services for RESTful integration

Example of consuming RESTful Spring web APIs

Summary

Deploying the Web Application

Deploying the Web Application

Introduction to CI and CD

Setting up Jenkins and GitLab

Configuring GitLab as a code repository

Creating Jenkins jobs for CI

Configuring Jenkins and GitLab for CI/CD

Configuring Jenkins jobs for CD

Deploying Angular app in production

Summary

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Handling the login authentication

In this section, you will learn about how to use Spring Security for login-based authentication based on the following authentication process related to the Angular app and Spring app running on different servers:

The user visits the login page which is part of Angular app. The login page is delivered from the Angular app. Token is grabbed from the server and sent back to the client, and the server expects the same token in each subsequent requests. This token will be added to the header of the subsequent login request submission.
On submission of login form details such as username and password, an appropriate Spring Web API such as /account/login is invoked through the HTTP service POST method. The following code represents the Angular code for the login. Pay attention to how the HTTP service is used to invoke Spring RESTful login...

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