Beginning Spring Boot 2: applications and microservices with the Spring framework

Contents at a Glance......Page 4
Contents......Page 6
About the Author......Page 14
About the Technical Reviewer......Page 15
Acknowledgments......Page 16
Introduction......Page 17
 Overview of the Spring Framework......Page 19
 Spring Configuration Styles......Page 20
 Developing Web Application Using SpringMVC and JPA......Page 21
 A Quick Taste of Spring Boot......Page 34
  Embedded Servlet Container Support......Page 37
 Summary......Page 38
  Spring Boot Starters......Page 39
  Easy-to-Use Embedded Servlet Container Support......Page 40
  Using Spring Initializr......Page 41
  Using the Spring Tool Suite......Page 42
  Using Intellij IDEA......Page 43
  Exploring the Project......Page 44
 The Application Entry Point Class......Page 49
 Spring Boot Using Gradle......Page 50
 Summary......Page 51
 Exploring the Power of @Conditional......Page 52
  Using @Conditional Based on System Properties......Page 53
  Using @Conditional Based on the Configured Spring Beans......Page 55
  Using @Conditional Based on a Property’s Configuration......Page 56
 Spring Boot’s Built-In @Conditional Annotations......Page 57
 How Spring Boot Autoconfiguration Works......Page 59
 Summary......Page 62
 Logging......Page 63
  Type-Safe Configuration Properties......Page 65
  Validating Properties with the Bean Validation API......Page 66
 Developer Tools......Page 67
 Summary......Page 69
 Using JdbcTemplate Without SpringBoot......Page 70
  Initializing the Database......Page 73
  Using Other Connection Pooling Libraries......Page 77
 Database Migration with Flyway......Page 78
 Summary......Page 79
 Using the Spring Boot MyBatis Starter......Page 80
 Summary......Page 84
 Introduction to JOOQ......Page 85
 Using Spring Boot’s JOOQ Starter......Page 86
  Database Schema......Page 87
  Code Generation Using the JOOQ Maven Codegen Plugin......Page 88
  Add JOOQ Generated Code as a Source Folder......Page 90
  Using JOOQ DSL......Page 91
 Summary......Page 96
 Introducing the Spring Data JPA......Page 97
 Using Spring Data JPA with Spring Boot......Page 99
  Using the Sort and Pagination Features......Page 102
  Working with Multiple Databases......Page 103
  Use OpenEntityManagerInViewFilter for Multiple Data Sources......Page 110
 Summary......Page 111
 Introducing MongoDB......Page 112
  Installing MongoDB on Windows......Page 113
 Getting Started with MongoDB Using the Mongo Shell......Page 114
 Introducing Spring Data MongoDB......Page 115
 Using Embedded Mongo for Testing......Page 118
 Summary......Page 119
 Introducing SpringMVC......Page 120
 Developing Web Application Using Spring Boot......Page 122
 Using the Tomcat, Jetty, and Undertow Embedded Servlet Containers......Page 125
 Customizing Embedded Servlet Containers......Page 127
 Customizing SpringMVC Configuration......Page 128
 Registering Servlets, Filters, and Listeners as Spring Beans......Page 129
 Spring Boot Web Application as a Deployable WAR......Page 132
 View Templates that Spring Boot Supports......Page 133
  Using the Thymeleaf View Templates......Page 134
  Working with Thymeleaf Forms......Page 135
  Form Validation......Page 137
 Using ResourceBundles for Internationalization (i18n)......Page 141
 ResourceBundles for Hibernate Validation Errors......Page 142
 Error Handling......Page 143
 Summary......Page 145
 Introduction to RESTful Web Services......Page 146
 REST API Using SpringMVC......Page 147
   Class- and Method-Level CORS Configuration......Page 157
   Global CORS Configuration......Page 158
  Exposing JPA Entities with Bi-Directional References Through RESTful Services......Page 159
   Using @JsonIgnore......Page 160
   Using @JsonManagedReference and @JsonBackReference......Page 161
 REST API Using Spring Data REST......Page 162
  Sorting and Pagination......Page 164
 Exception Handling......Page 166
 Summary......Page 168
 Introduction to Reactive Programming......Page 169
  Project Reactor......Page 170
 Reactive Web Applications Using Spring WebFlux......Page 171
  WebFlux Using the Annotation-Based Programming Model......Page 172
   HandlerFunction......Page 175
    ServerResponse......Page 176
   HandlerFilterFunction......Page 177
   Registering HandlerFunctions as Method References......Page 178
  Thymeleaf Reactive Support......Page 181
  Reactive WebClient......Page 184
  Testing Spring WebFlux Applications......Page 185
 Summary......Page 186
 Spring Security in Spring Boot Web Application......Page 187
  Simple Hash-Based Token as Cookie......Page 196
  Persistent Tokens......Page 198
 Cross-Site Request Forgery......Page 199
 Method-Level Security......Page 200
 Securing the REST API Using Spring Security......Page 202
 Summary......Page 207
 Introducing the Spring Boot Actuator......Page 208
 Exploring Actuator’s Endpoints......Page 210
  The /info Endpoint......Page 211
  The /beans Endpoint......Page 212
  The /autoconfig Endpoint......Page 213
  The /configprops Endpoint......Page 215
  The /metrics Endpoint......Page 216
  The /env Endpoint......Page 217
  The /trace Endpoint......Page 218
  The /dump Endpoint......Page 219
  The /loggers Endpoint......Page 220
  The /shutdown Endpoint......Page 222
  The /actuator Endpoint......Page 223
 Customizing Actuator Endpoints......Page 224
 Securing Actuator Endpoints......Page 225
 Implementing Custom Health Indicators......Page 226
 Capturing Custom Application Metrics......Page 228
 Monitoring and Management Over JMX......Page 230
 Summary......Page 231
 Testing Spring Boot Applications......Page 232
 Testing with Mock Implementations......Page 236
  Testing with Mockito......Page 238
 Testing Slices of Application Using @*Test Annotations......Page 241
  Testing SpringMVC Controllers Using @WebMvcTest......Page 242
  Testing SpringMVC REST Controllers Using @WebMvcTest......Page 243
  Testing Secured Controller/Service Methods......Page 245
   Approach One......Page 251
  Testing Persistence Layer Components Using @DataJpaTest and @JdbcTest......Page 252
 Summary......Page 257
 Introducing Twitter4j......Page 258
 Custom Spring Boot Starter......Page 259
  Create the twitter4j-spring-boot-autoconfigure Module......Page 260
   Twitter4j Properties to Hold the Twitter4j Config Parameters......Page 261
   Twitter4j Autoconfiguration to Autoconfigure Twitter4j......Page 263
  Create the twitter4j-spring-boot-starter Module......Page 264
 Application Using twitter4j-spring-boot-starter......Page 266
 Summary......Page 268
   Groovy Strings......Page 269
   JavaBean Properties......Page 270
   Looping......Page 271
  Creating a Spring Boot Application Using Groovy......Page 272
   Type Inference......Page 276
   Traits......Page 277
  Creating a Spring Boot Application Using Scala......Page 278
   Interfaces......Page 282
  Creating a Spring Boot Application Using Kotlin......Page 283
 Summary......Page 288
 Installing JHipster......Page 289
 Creating a JHipster Application......Page 290
 Creating Entities......Page 293
  Using JDL Studio......Page 294
 Managing Relationships......Page 295
 Summary......Page 297
 Running Spring Boot Applications in Production Mode......Page 298
 Deploying Spring Boot Application on Heroku......Page 300
  Installing Docker......Page 305
  Running a Spring Boot Application in a Docker Container......Page 306
  Running Multiple Containers Using docker-compose......Page 308
 Summary......Page 309
Index......Page 310