org.springframework.web.servlet.view.ViewResolverComposite#setOrder ( )源码实例Demo

/**
 * Register a {@link ViewResolverComposite} that contains a chain of view resolvers
 * to use for view resolution.
 * By default this resolver is ordered at 0 unless content negotiation view
 * resolution is used in which case the order is raised to
 * {@link org.springframework.core.Ordered#HIGHEST_PRECEDENCE
 * Ordered.HIGHEST_PRECEDENCE}.
 * <p>If no other resolvers are configured,
 * {@link ViewResolverComposite#resolveViewName(String, Locale)} returns null in order
 * to allow other potential {@link ViewResolver} beans to resolve views.
 * @since 4.1
 */
@Bean
public ViewResolver mvcViewResolver(ContentNegotiationManager mvcContentNegotiationManager) {
	ViewResolverRegistry registry = new ViewResolverRegistry(
			mvcContentNegotiationManager, this.applicationContext);
	configureViewResolvers(registry);

	if (registry.getViewResolvers().isEmpty() && this.applicationContext != null) {
		String[] names = BeanFactoryUtils.beanNamesForTypeIncludingAncestors(
				this.applicationContext, ViewResolver.class, true, false);
		if (names.length == 1) {
			registry.getViewResolvers().add(new InternalResourceViewResolver());
		}
	}

	ViewResolverComposite composite = new ViewResolverComposite();
	composite.setOrder(registry.getOrder());
	composite.setViewResolvers(registry.getViewResolvers());
	if (this.applicationContext != null) {
		composite.setApplicationContext(this.applicationContext);
	}
	if (this.servletContext != null) {
		composite.setServletContext(this.servletContext);
	}
	return composite;
}
 

/**
 * Register a {@link ViewResolverComposite} that contains a chain of view resolvers
 * to use for view resolution.
 * By default this resolver is ordered at 0 unless content negotiation view
 * resolution is used in which case the order is raised to
 * {@link org.springframework.core.Ordered#HIGHEST_PRECEDENCE
 * Ordered.HIGHEST_PRECEDENCE}.
 * <p>If no other resolvers are configured,
 * {@link ViewResolverComposite#resolveViewName(String, Locale)} returns null in order
 * to allow other potential {@link ViewResolver} beans to resolve views.
 * @since 4.1
 */
@Bean
public ViewResolver mvcViewResolver() {
	ViewResolverRegistry registry = new ViewResolverRegistry(
			mvcContentNegotiationManager(), this.applicationContext);
	configureViewResolvers(registry);

	if (registry.getViewResolvers().isEmpty() && this.applicationContext != null) {
		String[] names = BeanFactoryUtils.beanNamesForTypeIncludingAncestors(
				this.applicationContext, ViewResolver.class, true, false);
		if (names.length == 1) {
			registry.getViewResolvers().add(new InternalResourceViewResolver());
		}
	}

	ViewResolverComposite composite = new ViewResolverComposite();
	composite.setOrder(registry.getOrder());
	composite.setViewResolvers(registry.getViewResolvers());
	if (this.applicationContext != null) {
		composite.setApplicationContext(this.applicationContext);
	}
	if (this.servletContext != null) {
		composite.setServletContext(this.servletContext);
	}
	return composite;
}
 

/**
 * Register a {@link ViewResolverComposite} that contains a chain of view resolvers
 * to use for view resolution.
 * By default this resolver is ordered at 0 unless content negotiation view
 * resolution is used in which case the order is raised to
 * {@link org.springframework.core.Ordered#HIGHEST_PRECEDENCE
 * Ordered.HIGHEST_PRECEDENCE}.
 * <p>If no other resolvers are configured,
 * {@link ViewResolverComposite#resolveViewName(String, Locale)} returns null in order
 * to allow other potential {@link ViewResolver} beans to resolve views.
 * @since 4.1
 */
@Bean
public ViewResolver mvcViewResolver() {
	ViewResolverRegistry registry = new ViewResolverRegistry(
			mvcContentNegotiationManager(), this.applicationContext);
	configureViewResolvers(registry);

	if (registry.getViewResolvers().isEmpty()) {
		String[] names = BeanFactoryUtils.beanNamesForTypeIncludingAncestors(
				this.applicationContext, ViewResolver.class, true, false);
		if (names.length == 1) {
			registry.getViewResolvers().add(new InternalResourceViewResolver());
		}
	}

	ViewResolverComposite composite = new ViewResolverComposite();
	composite.setOrder(registry.getOrder());
	composite.setViewResolvers(registry.getViewResolvers());
	composite.setApplicationContext(this.applicationContext);
	composite.setServletContext(this.servletContext);
	return composite;
}
 

/**
 * Register a {@link ViewResolverComposite} that contains a chain of view resolvers
 * to use for view resolution.
 * By default this resolver is ordered at 0 unless content negotiation view
 * resolution is used in which case the order is raised to
 * {@link org.springframework.core.Ordered#HIGHEST_PRECEDENCE
 * Ordered.HIGHEST_PRECEDENCE}.
 * <p>If no other resolvers are configured,
 * {@link ViewResolverComposite#resolveViewName(String, Locale)} returns null in order
 * to allow other potential {@link ViewResolver} beans to resolve views.
 * @since 4.1
 */
@Bean
public ViewResolver mvcViewResolver() {
	ViewResolverRegistry registry = new ViewResolverRegistry();
	registry.setContentNegotiationManager(mvcContentNegotiationManager());
	registry.setApplicationContext(this.applicationContext);
	configureViewResolvers(registry);

	if (registry.getViewResolvers().isEmpty()) {
		String[] names = BeanFactoryUtils.beanNamesForTypeIncludingAncestors(
				this.applicationContext, ViewResolver.class, true, false);
		if (names.length == 1) {
			registry.getViewResolvers().add(new InternalResourceViewResolver());
		}
	}

	ViewResolverComposite composite = new ViewResolverComposite();
	composite.setOrder(registry.getOrder());
	composite.setViewResolvers(registry.getViewResolvers());
	composite.setApplicationContext(this.applicationContext);
	composite.setServletContext(this.servletContext);
	return composite;
}