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 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 WebSocket upgrade requests on to the WebSocket server. Likewise, if the application runs in a cloud environment, check the instructions of the cloud provider related to WebSocket support. 4.1.1. HTTP Versus

that are resolved on startup through PropertySourcesPlaceholderConfigurer against local, system, environment, and other property sources. You can use this to, for example, parameterize a base URL based on upgrade requests on to the WebSocket server. Likewise, if the 148 application runs in a cloud environment, check the instructions of the cloud provider related to WebSocket support. 3.1.1. HTTP Versus own conventions. 3.1.2. When to Use WebSockets WebSockets can make a web page be dynamic and interactive. However, in many cases, a combination of Ajax and HTTP streaming or long polling can provide

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 Merging YAML lists Type-safe Configuration Properties 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

listeners ........................................................................ 53 23.5. Web environment ............................................................................................. ............................................... 60 Exposing YAML as properties in the Spring Environment .................................... 61 Multi-profile YAML documents ........................ configuration .............................................................................. 74 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. Developing web applications The ‘Spring Web MVC framework’ Spring MVC auto-configuration

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 Merging YAML lists Type-safe Configuration Properties 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

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 Merging YAML lists Type-safe Configuration Properties 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

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 Merging YAML lists Type-safe Configuration Properties 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

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 Merging YAML lists Type-safe Configuration Properties 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

listeners ........................................................................ 55 23.6. Web environment ............................................................................................. ............................................... 62 Exposing YAML as properties in the Spring Environment .................................... 63 Multi-profile YAML documents ........................ configuration .............................................................................. 78 Environment properties ...................................................................................