Table Of ContentSpring in Action Page: 2
Copyright Page: 3
From the fifth edition of Spring in Action by Craig Walls Page: 4
brief contents Page: 5
contents Page: 6
front matter Page: 7
preface Page: 7
acknowledgments Page: 7
about this book Page: 7
Who should read this book Page: 7
How this book is organized: A roadmap Page: 7
About the code Page: 8
Book forum Page: 8
Other online resources Page: 8
about the author Page: 9
about the cover illustration Page: 9
Part 1. Foundational Spring Page: 10
1 Getting started with Spring Page: 11
1.1 What is Spring? Page: 11
1.2 Initializing a Spring application Page: 12
1.2.1 Initializing a Spring project with Spring Tool Suite Page: 12
1.2.2 Examining the Spring project structure Page: 13
1.3 Writing a Spring application Page: 15
1.3.1 Handling web requests Page: 16
1.3.2 Defining the view Page: 16
1.3.3 Testing the controller Page: 16
1.3.4 Building and running the application Page: 17
1.3.5 Getting to know Spring Boot DevTools Page: 18
1.3.6 Let’s review Page: 19
1.4 Surveying the Spring landscape Page: 19
1.4.1 The core Spring Framework Page: 19
1.4.2 Spring Boot Page: 19
1.4.3 Spring Data Page: 20
1.4.4 Spring Security Page: 20
1.4.5 Spring Integration and Spring Batch Page: 20
1.4.6 Spring Cloud Page: 20
1.4.7 Spring Native Page: 20
Summary Page: 20
2 Developing web applications Page: 21
2.1 Displaying information Page: 21
2.1.1 Establishing the domain Page: 21
2.1.2 Creating a controller class Page: 22
2.1.3 Designing the view Page: 24
2.2 Processing form submission Page: 25
2.3 Validating form input Page: 28
2.3.1 Declaring validation rules Page: 28
2.3.2 Performing validation at form binding Page: 29
2.3.3 Displaying validation errors Page: 29
2.4 Working with view controllers Page: 30
2.5 Choosing a view template library Page: 31
2.5.1 Caching templates Page: 31
Summary Page: 32
3 Working with data Page: 33
3.1 Reading and writing data with JDBC Page: 33
3.1.1 Adapting the domain for persistence Page: 34
3.1.2 Working with JdbcTemplate Page: 34
3.1.3 Defining a schema and preloading data Page: 36
3.1.4 Inserting data Page: 37
3.2 Working with Spring Data JDBC Page: 38
3.2.1 Adding Spring Data JDBC to the build Page: 39
3.2.2 Defining repository interfaces Page: 39
3.2.3 Annotating the domain for persistence Page: 39
3.2.4 Preloading data with CommandLineRunner Page: 40
3.3 Persisting data with Spring Data JPA Page: 41
3.3.1 Adding Spring Data JPA to the project Page: 41
3.3.2 Annotating the domain as entities Page: 41
3.3.3 Declaring JPA repositories Page: 42
3.3.4 Customizing repositories Page: 43
Summary Page: 44
4 Working with nonrelational data Page: 45
4.1 Working with Cassandra repositories Page: 45
4.1.1 Enabling Spring Data Cassandra Page: 45
4.1.2 Understanding Cassandra data modeling Page: 46
4.1.3 Mapping domain types for Cassandra persistence Page: 47
4.1.4 Writing Cassandra repositories Page: 49
4.2 Writing MongoDB repositories Page: 49
4.2.1 Enabling Spring Data MongoDB Page: 49
4.2.2 Mapping domain types to documents Page: 50
4.2.3 Writing MongoDB repository interfaces Page: 51
Summary Page: 51
5 Securing Spring Page: 52
5.1 Enabling Spring Security Page: 52
5.2 Configuring authentication Page: 52
5.2.1 In-memory user details service Page: 53
5.2.2 Customizing user authentication Page: 53
5.3 Securing web requests Page: 55
5.3.1 Securing requests Page: 56
5.3.2 Creating a custom login page Page: 57
5.3.3 Enabling third-party authentication Page: 58
5.3.4 Preventing cross-site request forgery Page: 59
5.4 Applying method-level security Page: 59
5.5 Knowing your user Page: 60
Summary Page: 61
6 Working with configuration properties Page: 62
6.1 Fine-tuning autoconfiguration Page: 62
6.1.1 Understanding Spring’s environment abstraction Page: 62
6.1.2 Configuring a data source Page: 63
6.1.3 Configuring the embedded server Page: 63
6.1.4 Configuring logging Page: 64
6.1.5 Using special property values Page: 64
6.2 Creating your own configuration properties Page: 65
6.2.1 Defining configuration property holders Page: 65
6.2.2 Declaring configuration property metadata Page: 66
6.3 Configuring with profiles Page: 67
6.3.1 Defining profile-specific properties Page: 67
6.3.2 Activating profiles Page: 68
6.3.3 Conditionally creating beans with profiles Page: 68
Summary Page: 69
Part 2. Integrated Spring Page: 70
7 Creating REST services Page: 71
7.1 Writing RESTful controllers Page: 71
7.1.1 Retrieving data from the server Page: 71
7.1.2 Sending data to the server Page: 73
7.1.3 Updating data on the server Page: 74
7.1.4 Deleting data from the server Page: 75
7.2 Enabling data-backed services Page: 75
7.2.1 Adjusting resource paths and relation names Page: 76
7.2.2 Paging and sorting Page: 77
7.3 Consuming REST services Page: 77
7.3.1 GETting resources Page: 78
7.3.2 PUTting resources Page: 79
7.3.3 DELETEing resources Page: 79
7.3.4 POSTing resource data Page: 79
Summary Page: 80
8 Securing REST Page: 81
8.1 Introducing OAuth 2 Page: 81
8.2 Creating an authorization server Page: 83
8.3 Securing an API with a resource server Page: 86
8.4 Developing the client Page: 87
Summary Page: 89
9 Sending messages asynchronously Page: 90
9.1 Sending messages with JMS Page: 90
9.1.1 Setting up JMS Page: 90
9.1.2 Sending messages with JmsTemplate Page: 91
9.1.3 Receiving JMS messages Page: 94
9.2 Working with RabbitMQ and AMQP Page: 96
9.2.1 Adding RabbitMQ to Spring Page: 96
9.2.2 Sending messages with RabbitTemplate Page: 97
9.2.3 Receiving messages from RabbitMQ Page: 99
9.3 Messaging with Kafka Page: 100
9.3.1 Setting up Spring for Kafka messaging Page: 101
9.3.2 Sending messages with KafkaTemplate Page: 101
9.3.3 Writing Kafka listeners Page: 102
Summary Page: 102
10 Integrating Spring Page: 104
10.1 Declaring a simple integration flow Page: 104
10.1.1 Defining integration flows with XML Page: 105
10.1.2 Configuring integration flows in Java Page: 105
10.1.3 Using Spring Integration’s DSL configuration Page: 106
10.2 Surveying the Spring Integration landscape Page: 107
10.2.1 Message channels Page: 107
10.2.2 Filters Page: 108
10.2.3 Transformers Page: 108
10.2.4 Routers Page: 109
10.2.5 Splitters Page: 109
10.2.6 Service activators Page: 110
10.2.7 Gateways Page: 111
10.2.8 Channel adapters Page: 111
10.2.9 Endpoint modules Page: 112
10.3 Creating an email integration flow Page: 113
Summary Page: 116
Part 3. Reactive Spring Page: 117
11 Introducing Reactor Page: 118
11.1 Understanding reactive programming Page: 118
11.1.1 Defining Reactive Streams Page: 119
11.2 Getting started with Reactor Page: 120
11.2.1 Diagramming reactive flows Page: 120
11.2.2 Adding Reactor dependencies Page: 120
11.3 Applying common reactive operations Page: 121
11.3.1 Creating reactive types Page: 121
11.3.2 Combining reactive types Page: 122
11.3.3 Transforming and filtering reactive streams Page: 123
11.3.4 Performing logic operations on reactive types Page: 127
Summary Page: 127
12 Developing reactive APIs Page: 128
12.1 Working with Spring WebFlux Page: 128
12.1.1 Introducing Spring WebFlux Page: 128
12.1.2 Writing reactive controllers Page: 129
12.2 Defining functional request handlers Page: 130
12.3 Testing reactive controllers Page: 132
12.3.1 Testing GET requests Page: 132
12.3.2 Testing POST requests Page: 133
12.3.3 Testing with a live server Page: 134
12.4 Consuming REST APIs reactively Page: 134
12.4.1 GETting resources Page: 135
12.4.2 Sending resources Page: 135
12.4.3 Deleting resources Page: 136
12.4.4 Handling errors Page: 136
12.4.5 Exchanging requests Page: 137
12.5 Securing reactive web APIs Page: 137
12.5.1 Configuring reactive web security Page: 137
12.5.2 Configuring a reactive user details service Page: 138
Summary Page: 139
13 Persisting data reactively Page: 140
13.1 Working with R2DBC Page: 140
13.1.1 Defining domain entities for R2DBC Page: 140
13.1.2 Defining reactive repositories Page: 142
13.1.3 Testing R2DBC repositories Page: 142
13.1.4 Defining an OrderRepository aggregate root service Page: 143
13.2 Persisting document data reactively with MongoDB Page: 146
13.2.1 Defining domain document types Page: 146
13.2.2 Defining reactive MongoDB repositories Page: 147
13.2.3 Testing reactive MongoDB repositories Page: 147
13.3 Reactively persisting data in Cassandra Page: 148
13.3.1 Defining domain classes for Cassandra persistence Page: 148
13.3.2 Creating reactive Cassandra repositories Page: 149
13.3.3 Testing reactive Cassandra repositories Page: 150
Summary Page: 150
14 Working with RSocket Page: 151
14.1 Introducing RSocket Page: 151
14.2 Creating a simple RSocket server and client Page: 151
14.2.1 Working with request-response Page: 152
14.2.2 Handling request-stream messaging Page: 153
14.2.3 Sending fire-and-forget messages Page: 154
14.2.4 Sending messages bidirectionally Page: 154
14.3 Transporting RSocket over WebSocket Page: 155
Summary Page: 156
Part 4. Deployed Spring Page: 157
15 Working with Spring Boot Actuator Page: 158
15.1 Introducing Actuator Page: 158
15.1.1 Configuring Actuator’s base path Page: 159
15.1.2 Enabling and disabling Actuator endpoints Page: 159
15.2 Consuming Actuator endpoints Page: 159
15.2.1 Fetching essential application information Page: 159
15.2.2 Viewing configuration details Page: 161
15.2.3 Viewing application activity Page: 164
15.2.4 Tapping runtime metrics Page: 164
15.3 Customizing Actuator Page: 166
15.3.1 Contributing information to the /info endpoint Page: 166
15.3.2 Defining custom health indicators Page: 167
15.3.3 Registering custom metrics Page: 168
15.3.4 Creating custom endpoints Page: 168
15.4 Securing Actuator Page: 169
Summary Page: 170
16 Administering Spring Page: 171
16.1 Using Spring Boot Admin Page: 171
16.1.1 Creating an Admin server Page: 171
16.1.2 Registering Admin clients Page: 171
16.2 Exploring the Admin server Page: 172
16.2.1 Viewing general application health and information Page: 172
16.2.2 Watching key metrics Page: 172
16.2.3 Examining environment properties Page: 172
16.2.4 Viewing and setting logging levels Page: 172
16.3 Securing the Admin server Page: 173
16.3.1 Enabling login in the Admin server Page: 173
16.3.2 Authenticating with the Actuator Page: 173
Summary Page: 173
17 Monitoring Spring with JMX Page: 174
17.1 Working with Actuator MBeans Page: 174
17.2 Creating your own MBeans Page: 174
17.3 Sending notifications Page: 175
Summary Page: 175
18 Deploying Spring Page: 176
18.1 Weighing deployment options Page: 176
18.2 Building executable JAR files Page: 176
18.3 Building container images Page: 177
18.3.1 Deploying to Kubernetes Page: 178
18.3.2 Enabling graceful shutdown Page: 179
18.3.3 Working with application liveness and readiness Page: 179
18.4 Building and deploying WAR files Page: 181
18.5 The end is where we begin Page: 181
Summary Page: 182
Appendix. Bootstrapping Spring applications Page: 183
A.1 Initializing a project with Spring Tool Suite Page: 183
A.2 Initializing a project with IntelliJ IDEA Page: 183
A.3 Initializing a project with NetBeans Page: 183
A.4 Initializing a project at start.spring.io Page: 184
A.5 Initializing a project from the command line Page: 184
curl and the Initializr API Page: 185
Spring Boot command-line interface Page: 185
A.6 Building and running projects Page: 186
index Page: 187
Description:If you need to learn Spring, look no further than this widely beloved and comprehensive guide! Fully revised for Spring 5.3, and packed with interesting real-world examples to get your hands dirty with Spring. In Spring in Action, 6th Edition you will learn: Building reactive applications Relational and NoSQL databases Integrating via HTTP and REST-based services, and sand reactive RSocket services Reactive programming techniques Deploying applications to traditional servers and containers Securing applications with Spring Security Over the years, Spring in Action has helped tens of thousands of developers get a major productivity boost from Spring. This new edition of the classic bestseller covers all of the new features of Spring 5.3 and Spring Boot 2.4 along with examples of reactive programming, Spring Security for REST Services, and bringing reactivity to your databases. You'll also find the latest Spring best practices, including Spring Boot for application setup and configuration. About the technology Spring is required knowledge for Java developers! Why? Th is powerful framework eliminates a lot of the tedious configuration and repetitive coding tasks, making it easy to build enterprise-ready, production-quality software. The latest updates bring huge productivity boosts to microservices, reactive development, and other modern application designs. It’s no wonder over half of all Java developers use Spring. About the book Spring in Action, Sixth Edition is a comprehensive guide to Spring’s core features, all explained in Craig Walls’ famously clear style. You’ll put Spring into action as you build a complete database-backed web app step-by-step. This new edition covers both Spring fundamentals and new features such as reactive flows, Kubernetes integration, and RSocket. Whether you’re new to Spring or leveling up to Spring 5.3, make this classic bestseller your bible! What's inside Relational and NoSQL databases Integrating via RSocket and REST-based services Reactive programming techniques Deploying applications to traditional servers and containers About the reader For beginning to intermediate Java developers. About the author Craig Walls is an engineer at VMware, a member of the Spring engineering team, a popular author, and a frequent conference speaker. Table of Contents PART 1 FOUNDATIONAL SPRING 1 Getting started with Spring 2 Developing web applications 3 Working with data 4 Working with nonrelational data 5 Securing Spring 6 Working with configuration properties PART 2 INTEGRATED SPRING 7 Creating REST services 8 Securing REST 9 Sending messages asynchronously 10 Integrating Spring PART 3 REACTIVE SPRING 11 Introducing Reactor 12 Developing reactive APIs 13 Persisting data reactively 14 Working with RSocket PART 4 DEPLOYED SPRING 15 Working with Spring Boot Actuator 16 Administering Spring 17 Monitoring Spring with JMX 18 Deploying Spring
