MVC and provides many extra convenient options. 8 1.1.4. Servlet Config In a Servlet 3.0+ environment, you have the option of configuring the Servlet container programmatically as an alternative or ShallowEtagHeaderFilter filter creates a “shallow” ETag by caching the content written to the response and computing an MD5 hash from it. The next time a client sends, it does the same, but it also compares the computed are resolved on startup by using PropertySourcesPlaceholderConfigurer against local, system, environment, and other property sources. You can use this, for example, to parameterize a base URL based on

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 7.1.8. Web Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 7.2.7. Configuring System Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 7.1.8. Web Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 7.2.7. Configuring System Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 7.1.8. Web Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 7.2.7. Configuring System Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 7.1.8. Web Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 7.2.7. Configuring System Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 7.1.8. Web Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 7.2.7. Configuring System Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 7.1.8. Web Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 7.2.7. Configuring System Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 Environment Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Banner Customizing SpringApplication Fluent Builder API Application Events and Listeners Web Environment Accessing Application Arguments Using the ApplicationRunner or CommandLineRunner Application Exit Properties Using YAML Instead of Properties Loading YAML Exposing YAML as Properties in the Spring Environment Multi-profile YAML Documents YAML Shortcomings Type-safe Configuration Properties Third-party Output Log Levels Custom Log Configuration Logback Extensions Profile-specific Configuration Environment Properties 27. JSON Jackson Gson JSON-B 28. Developing Web Applications The “Spring Web MVC

Banner Customizing SpringApplication Fluent Builder API Application Events and Listeners Web Environment Accessing Application Arguments Using the ApplicationRunner or CommandLineRunner Application Exit Properties Using YAML Instead of Properties Loading YAML Exposing YAML as Properties in the Spring Environment Multi-profile YAML Documents YAML Shortcomings Type-safe Configuration Properties Third-party Output Log Levels Custom Log Configuration Logback Extensions Profile-specific Configuration Environment Properties 27. JSON Jackson Gson JSON-B 28. Developing Web Applications The “Spring Web MVC

Banner Customizing SpringApplication Fluent Builder API Application Events and Listeners Web Environment Accessing Application Arguments Using the ApplicationRunner or CommandLineRunner Application Exit Properties Using YAML Instead of Properties Loading YAML Exposing YAML as Properties in the Spring Environment Multi-profile YAML Documents YAML Shortcomings Type-safe Configuration Properties Third-party Output Log Levels Custom Log Configuration Logback Extensions Profile-specific Configuration Environment Properties 27. Developing Web Applications The “Spring Web MVC Framework” Spring MVC Auto-configuration