Spring Boot 3 Programming Training

Course Overview

Spring Framework Configuration

• Java @Configuration Classes
• Defining @Configuration Classes
• Loading @Configuration Classes
• Modularizing @Configuration Classes
• Qualifying @Bean Methods
• Trouble with Prototype Scope
• Configuration with Spring Expression Language
• Resolving Text Messages
• Spring Property Conversion
• Spring Converter Interface
• Using Custom Converters
• Spring PropertyEditors
• Registering Custom PropertyEditors

Introduction to Spring Boot

• What is Spring Boot?
• Spring Framework
• How is Spring Boot Related to Spring Framework?
• Spring Boot 3
• Spring Boot Main Features
• Spring Boot on the PaaS
• Understanding Java Annotations
• Spring MVC Annotations
• Example of Spring MVC-based RESTful Web Service
• Spring Booting Your RESTful Web Service
• Spring Boot Skeletal Application Example
• Converting a Spring Boot Application to a WAR File
• Externalized Configuration
• Starters
• Maven - The 'pom.xml' File
• Spring Boot Maven Plugin
• Gradle - The 'build.gradle' File
• Spring Boot Gradle Plugin
• HOWTO: Create a Spring Boot Application
• Spring Initializr

Spring Web MVC

• Spring Web MVC
• Spring Web Modules
• Spring Web MVC Components
• DispatcherServlet
• Spring WebFlux Module
• Spring WebFlux
• Template Engines
• Spring Boot MVC Example
• Spring Web MVC Mapping of Requests
• Advanced @RequestMapping
• Composed Request Mappings
• Spring Web MVC Annotation Controllers
• Controller Handler Method Parameters
• Controller Handler Method Return Types
• View Resolution
• Spring Boot Considerations

Overview of Spring Boot Database Integration

• DAO Support in Spring
• Spring Data Access Modules
• Spring JDBC Module
• Spring ORM Module
• DataAccessException
• @Repository Annotation
• Using DataSources
• DAO Templates
• DAO Templates and Callbacks
• ORM Tool Support in Spring

Using Spring with JPA

• Spring JPA
• Benefits of Using Spring with ORM
• Spring @Repository
• Using JPA with Spring
• Configure Spring Boot JPA EntityManagerFactory
• Application JPA Code
• Spring Boot Considerations
• Spring Data JPA Repositories
• Database Schema Migration
• Database Schema Migration for CI/CD using Liquibase
• How Liquibase Works?
• Changelogs in Liquibase
• Preconditions in Changelogs
• Sample Empty Changelog
• Sample Precondition in Changelog
• Sample Changeset in Changelog
• Running Liquibase
• Liquibase Commands

Spring REST Services

• Many Flavors of Services
• Understanding REST
• RESTful Services
• REST Resource Examples
• @RestController Annotation
• Implementing JAX-RS Services and Spring
• JAX-RS Annotations
• Java Clients Using RestTemplate
• RestTemplate Methods
• Spring Security
• Securing Web Applications with Spring Boot 3

Spring Security

• Authentication and Authorization
• Programmatic vs Declarative Security
• Adding Spring Security to a Project
• Spring Security Configuration
• Spring Security Configuration Example
• Authentication Manager
• Using Database User Authentication
• LDAP Authentication
• What is Security Assertion Markup Language (SAML)?
• What is a SAML Provider?
• Spring SAML2.0 Web SSO Authentication
• Setting Up an SSO Provider
• Adding SAML Dependencies to a Project
• SAML vs. OAuth2
• OAuth2 Overview
• OAuth – Facebook Sample Flow
• OAuth Versions
• OAuth2 Components
• OAuth2 – End Points
• OAuth2 – Tokens
• OAuth – Grants
• Authenticating Against an OAuth2 API
• OAuth2 using Spring Boot – Dependencies
• OAuth2 using Spring Boot – application.yml
• OAuth2 using Spring Boot – Main Class
• OAuth2 using Spring Boot – Single Page Application Client
• JSON Web Tokens
• JSON Web Token Architecture
• How JWT Works
• JWT Header
• JWT Payload
• JWT Example Payload
• JWT Example Signature
• How JWT Tokens are Used
• Adding JWT to HTTP Header
• How The Server Makes Use of JWT Tokens
• What are “Scopes”?
• JWT with Spring Boot – Dependencies
• JWT with Spring Boot – Main Class

Spring JMS

• Spring JMS
• JmsTemplate
• Connection and Destination
• JmsTemplate Configuration
• Transaction Management
• Example Transaction Configuration
• Producer Example
• Consumer Example
• Converting Messages
• Message Listener Containers
• Message-Driven POJO's Async Receiver Example
• Message-Driven POJO's Async Receiver Configuration
• Spring Boot Considerations

Lab Exercises

• Lab 1. A Simple RESTful API in Spring Boot
• Lab 2. Use the Spring Web MVC Web Framework under Spring Boot
• Lab 3. Use the Spring JDBCTemplate under Spring Boot
• Lab 4. Use the Spring Data JPA under Spring Boot
• Lab 5. Create a RESTful API with Spring Boot
• Lab 6. Enable Basic Security
• Lab 7. Use AMQP Messaging with Spring Boot
• Lab 8. Authentication with JWT

Prerequisites

To succeed fully in this course, students should be able to:

• Program Java applications - Course KT-2494
• Understand basic Spring applications - Course KT-2385  meets this requirement