Example usage for org.springframework.web.context ConfigurableWebApplicationContext getClass

Introduction

In this page you can find the example usage for org.springframework.web.context ConfigurableWebApplicationContext getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:com.dhcc.framework.web.context.DhccContextLoader.java

/**
 * Customize the {@link ConfigurableWebApplicationContext} created by this
 * ContextLoader after config locations have been supplied to the context
 * but before the context is <em>refreshed</em>.
 * <p>The default implementation {@linkplain #determineContextInitializerClasses(ServletContext)
 * determines} what (if any) context initializer classes have been specified through
 * {@linkplain #CONTEXT_INITIALIZER_CLASSES_PARAM context init parameters} and
 * {@linkplain ApplicationContextInitializer#initialize invokes each} with the
 * given web application context.// www  .j  av a2s  .c om
 * <p>Any {@code ApplicationContextInitializers} implementing
 * {@link org.springframework.core.Ordered Ordered} or marked with @{@link
 * org.springframework.core.annotation.Order Order} will be sorted appropriately.
 * @param servletContext the current servlet context
 * @param applicationContext the newly created application context
 * @see #createWebApplicationContext(ServletContext, ApplicationContext)
 * @see #CONTEXT_INITIALIZER_CLASSES_PARAM
 * @see ApplicationContextInitializer#initialize(ConfigurableApplicationContext)
 */
protected void customizeContext(ServletContext servletContext,
        ConfigurableWebApplicationContext applicationContext) {
    List<Class<ApplicationContextInitializer<ConfigurableApplicationContext>>> initializerClasses = determineContextInitializerClasses(
            servletContext);
    if (initializerClasses.size() == 0) {
        // no ApplicationContextInitializers have been declared -> nothing to do
        return;
    }

    Class<?> contextClass = applicationContext.getClass();
    ArrayList<ApplicationContextInitializer<ConfigurableApplicationContext>> initializerInstances = new ArrayList<ApplicationContextInitializer<ConfigurableApplicationContext>>();

    for (Class<ApplicationContextInitializer<ConfigurableApplicationContext>> initializerClass : initializerClasses) {
        Class<?> initializerContextClass = GenericTypeResolver.resolveTypeArgument(initializerClass,
                ApplicationContextInitializer.class);
        if (initializerContextClass != null) {
            Assert.isAssignable(initializerContextClass, contextClass,
                    String.format(
                            "Could not add context initializer [%s] as its generic parameter [%s] "
                                    + "is not assignable from the type of application context used by this "
                                    + "context loader [%s]: ",
                            initializerClass.getName(), initializerContextClass.getName(),
                            contextClass.getName()));
        }
        initializerInstances.add(BeanUtils.instantiateClass(initializerClass));
    }

    ConfigurableEnvironment env = applicationContext.getEnvironment();
    if (env instanceof ConfigurableWebEnvironment) {
        ((ConfigurableWebEnvironment) env).initPropertySources(servletContext, null);
    }

    Collections.sort(initializerInstances, new AnnotationAwareOrderComparator());
    for (ApplicationContextInitializer<ConfigurableApplicationContext> initializer : initializerInstances) {
        initializer.initialize(applicationContext);
    }
}

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From source file:org.springframework.web.context.ContextLoader.java

/**
 * Customize the {@link ConfigurableWebApplicationContext} created by this
 * ContextLoader after config locations have been supplied to the context
 * but before the context is <em>refreshed</em>.
 * <p>The default implementation {@linkplain #determineContextInitializerClasses(ServletContext)
 * determines} what (if any) context initializer classes have been specified through
 * {@linkplain #CONTEXT_INITIALIZER_CLASSES_PARAM context init parameters} and
 * {@linkplain ApplicationContextInitializer#initialize invokes each} with the
 * given web application context./*from ww w  . ja  va  2  s . co m*/
 * <p>Any {@code ApplicationContextInitializers} implementing
 * {@link org.springframework.core.Ordered Ordered} or marked with @{@link
 * org.springframework.core.annotation.Order Order} will be sorted appropriately.
 * @param sc the current servlet context
 * @param wac the newly created application context
 * @see #CONTEXT_INITIALIZER_CLASSES_PARAM
 * @see ApplicationContextInitializer#initialize(ConfigurableApplicationContext)
 */
protected void customizeContext(ServletContext sc, ConfigurableWebApplicationContext wac) {
    List<Class<ApplicationContextInitializer<ConfigurableApplicationContext>>> initializerClasses = determineContextInitializerClasses(
            sc);

    for (Class<ApplicationContextInitializer<ConfigurableApplicationContext>> initializerClass : initializerClasses) {
        Class<?> initializerContextClass = GenericTypeResolver.resolveTypeArgument(initializerClass,
                ApplicationContextInitializer.class);
        if (initializerContextClass != null && !initializerContextClass.isInstance(wac)) {
            throw new ApplicationContextException(String.format(
                    "Could not apply context initializer [%s] since its generic parameter [%s] "
                            + "is not assignable from the type of application context used by this "
                            + "context loader: [%s]",
                    initializerClass.getName(), initializerContextClass.getName(), wac.getClass().getName()));
        }
        this.contextInitializers.add(BeanUtils.instantiateClass(initializerClass));
    }

    AnnotationAwareOrderComparator.sort(this.contextInitializers);
    for (ApplicationContextInitializer<ConfigurableApplicationContext> initializer : this.contextInitializers) {
        initializer.initialize(wac);
    }
}

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