WebEnvironmentPropertySourceInitializer Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/web/servlet/support/SpringBootServletInitializer.java lines 233–255

	private static final class WebEnvironmentPropertySourceInitializer
			implements ApplicationListener<ApplicationEnvironmentPreparedEvent>, Ordered {

		private final ServletContext servletContext;

		private WebEnvironmentPropertySourceInitializer(ServletContext servletContext) {
			this.servletContext = servletContext;
		}

		@Override
		public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) {
			ConfigurableEnvironment environment = event.getEnvironment();
			if (environment instanceof ConfigurableWebEnvironment configurableWebEnvironment) {
				configurableWebEnvironment.initPropertySources(this.servletContext, null);
			}
		}

		@Override
		public int getOrder() {
			return Ordered.HIGHEST_PRECEDENCE;
		}

	}