Auto-configure templated welcome page

See gh-10545
This commit is contained in:
Bruce Brouwer 2017-10-06 15:17:26 -04:00 committed by Andy Wilkinson
parent 08c85c1fba
commit cc855f4462
2 changed files with 35 additions and 9 deletions

View File

@ -48,6 +48,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProviders;
import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
import org.springframework.boot.autoconfigure.web.ConditionalOnEnabledResourceChain;
@ -57,6 +58,7 @@ import org.springframework.boot.context.properties.EnableConfigurationProperties
import org.springframework.boot.web.servlet.filter.OrderedHiddenHttpMethodFilter;
import org.springframework.boot.web.servlet.filter.OrderedHttpPutFormContentFilter;
import org.springframework.boot.web.servlet.filter.OrderedRequestContextFilter;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ResourceLoaderAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@ -130,6 +132,7 @@ import org.springframework.web.servlet.view.InternalResourceViewResolver;
* @author Eddú Meléndez
* @author Stephane Nicoll
* @author Kristine Jetzke
* @author Bruce Brouwer
*/
@Configuration
@ConditionalOnWebApplication(type = Type.SERVLET)
@ -330,8 +333,11 @@ public class WebMvcAutoConfiguration {
}
@Bean
public WelcomePageHandlerMapping welcomePageHandlerMapping() {
return new WelcomePageHandlerMapping(getWelcomePage(),
public WelcomePageHandlerMapping welcomePageHandlerMapping(
ApplicationContext applicationContext) {
return new WelcomePageHandlerMapping(
new TemplateAvailabilityProviders(applicationContext),
applicationContext, getWelcomePage(),
this.mvcProperties.getStaticPathPattern());
}

View File

@ -24,6 +24,8 @@ import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProviders;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
@ -37,19 +39,37 @@ import org.springframework.web.servlet.mvc.ParameterizableViewController;
* static page is preferred.
*
* @author Andy Wilkinson
* @author Bruce Brouwer
*/
final class WelcomePageHandlerMapping extends AbstractUrlHandlerMapping {
private static final Log logger = LogFactory.getLog(WelcomePageHandlerMapping.class);
WelcomePageHandlerMapping(Optional<Resource> welcomePage, String staticPathPattern) {
if (welcomePage.isPresent() && "/**".equals(staticPathPattern)) {
logger.info("Adding welcome page: " + welcomePage.get());
ParameterizableViewController controller = new ParameterizableViewController();
controller.setViewName("forward:index.html");
setRootHandler(controller);
setOrder(0);
WelcomePageHandlerMapping(TemplateAvailabilityProviders templateAvailabilityProviders,
ApplicationContext applicationContext, Optional<Resource> welcomePage,
String staticPathPattern) {
if (welcomeTemplateExists(templateAvailabilityProviders, applicationContext)) {
logger.info("Adding welcome page template: index");
setRootViewName("index");
}
else if (welcomePage.isPresent() && "/**".equals(staticPathPattern)) {
logger.info("Adding welcome page: " + welcomePage);
setRootViewName("forward:index.html");
}
}
private boolean welcomeTemplateExists(
TemplateAvailabilityProviders templateAvailabilityProviders,
ApplicationContext applicationContext) {
return templateAvailabilityProviders.getProvider("index",
applicationContext) != null;
}
private void setRootViewName(final String viewName) {
ParameterizableViewController controller = new ParameterizableViewController();
controller.setViewName(viewName);
setRootHandler(controller);
setOrder(0);
}
@Override