Example usage for org.springframework.boot.web.servlet.support ServletContextApplicationContextInitializer ServletContextApplicationContextInitializer

Introduction

In this page you can find the example usage for org.springframework.boot.web.servlet.support ServletContextApplicationContextInitializer ServletContextApplicationContextInitializer.

Prototype

public ServletContextApplicationContextInitializer(ServletContext servletContext) 

Source Link

Document

Create a new ServletContextApplicationContextInitializer instance.

Usage

From source file:org.springframework.boot.web.servlet.support.SpringBootServletInitializer.java

protected WebApplicationContext createRootApplicationContext(ServletContext servletContext) {
    SpringApplicationBuilder builder = createSpringApplicationBuilder();
    builder.main(getClass());/*from w w w.j  av a 2 s .  c  om*/
    ApplicationContext parent = getExistingRootWebApplicationContext(servletContext);
    if (parent != null) {
        this.logger.info("Root context already created (using as parent).");
        servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, null);
        builder.initializers(new ParentContextApplicationContextInitializer(parent));
    }
    builder.initializers(new ServletContextApplicationContextInitializer(servletContext));
    builder.contextClass(AnnotationConfigServletWebServerApplicationContext.class);
    builder = configure(builder);
    builder.listeners(new WebEnvironmentPropertySourceInitializer(servletContext));
    SpringApplication application = builder.build();
    if (application.getAllSources().isEmpty()
            && AnnotationUtils.findAnnotation(getClass(), Configuration.class) != null) {
        application.addPrimarySources(Collections.singleton(getClass()));
    }
    Assert.state(!application.getAllSources().isEmpty(),
            "No SpringApplication sources have been defined. Either override the "
                    + "configure method or add an @Configuration annotation");
    // Ensure error pages are registered
    if (this.registerErrorPageFilter) {
        application.addPrimarySources(Collections.singleton(ErrorPageFilterConfiguration.class));
    }
    return run(application);
}

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