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Separate welcome page handler mapping and its tests from auto-config 

Closes gh-11094
This commit is contained in:
Andy Wilkinson 2017-11-21 14:44:29 +00:00
parent ff3d7c2ca1
commit 08c85c1fba
4 changed files with 211 additions and 134 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java
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@ -29,7 +29,6 @@ import java.util.Map.Entry;
import java.util.Optional;
import javax.servlet.Servlet;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -74,11 +73,9 @@ import org.springframework.format.Formatter;
import org.springframework.format.FormatterRegistry;
import org.springframework.format.datetime.DateFormatter;
import org.springframework.http.CacheControl;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.util.ClassUtils;
import org.springframework.util.StringUtils;
import org.springframework.validation.DefaultMessageCodesResolver;
import org.springframework.validation.MessageCodesResolver;
import org.springframework.validation.Validator;
@ -108,11 +105,9 @@ import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver;
import org.springframework.web.servlet.handler.AbstractUrlHandlerMapping;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
import org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver;
import org.springframework.web.servlet.i18n.FixedLocaleResolver;
import org.springframework.web.servlet.mvc.ParameterizableViewController;
import org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
@ -611,40 +606,6 @@ public class WebMvcAutoConfiguration {
}
static final class WelcomePageHandlerMapping extends AbstractUrlHandlerMapping {
private static final Log logger = LogFactory
.getLog(WelcomePageHandlerMapping.class);
private WelcomePageHandlerMapping(Optional<Resource> welcomePage,
String staticPathPattern) {
if (welcomePage.isPresent() && "/**".equals(staticPathPattern)) {
logger.info("Adding welcome page: " + welcomePage);
ParameterizableViewController controller = new ParameterizableViewController();
controller.setViewName("forward:index.html");
setRootHandler(controller);
setOrder(0);
}
}
@Override
public Object getHandlerInternal(HttpServletRequest request) throws Exception {
for (MediaType mediaType : getAcceptedMediaTypes(request)) {
if (mediaType.includes(MediaType.TEXT_HTML)) {
return super.getHandlerInternal(request);
}
}
return null;
}
private List<MediaType> getAcceptedMediaTypes(HttpServletRequest request) {
String acceptHeader = request.getHeader(HttpHeaders.ACCEPT);
return MediaType.parseMediaTypes(
StringUtils.hasText(acceptHeader) ? acceptHeader : "*/*");
}
}
/**
* Decorator to make {@link PathExtensionContentNegotiationStrategy} optional
* depending on a request attribute.

71
spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WelcomePageHandlerMapping.java Normal file
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@ -0,0 +1,71 @@
/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.web.servlet;
import java.util.List;
import java.util.Optional;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.handler.AbstractUrlHandlerMapping;
import org.springframework.web.servlet.mvc.ParameterizableViewController;
/**
* An {@link AbstractUrlHandlerMapping} for an application's welcome page. Supports both
* static and templated files. If both a static and templated index page is available, the
* static page is preferred.
*
* @author Andy Wilkinson
*/
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);
}
}
@Override
public Object getHandlerInternal(HttpServletRequest request) throws Exception {
for (MediaType mediaType : getAcceptedMediaTypes(request)) {
if (mediaType.includes(MediaType.TEXT_HTML)) {
return super.getHandlerInternal(request);
}
}
return null;
}
private List<MediaType> getAcceptedMediaTypes(HttpServletRequest request) {
String acceptHeader = request.getHeader(HttpHeaders.ACCEPT);
return MediaType.parseMediaTypes(
StringUtils.hasText(acceptHeader) ? acceptHeader : "*/*");
}
}

98
spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java
View File

@ -39,7 +39,6 @@ import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConf
import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration.WebMvcAutoConfigurationAdapter;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration.WelcomePageHandlerMapping;
import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
import org.springframework.boot.test.context.runner.ContextConsumer;
import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
@ -56,12 +55,9 @@ import org.springframework.core.io.Resource;
import org.springframework.format.support.FormattingConversionService;
import org.springframework.http.CacheControl;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.test.util.ReflectionTestUtils;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.util.StringUtils;
import org.springframework.validation.Validator;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
@ -101,9 +97,6 @@ import org.springframework.web.servlet.view.ContentNegotiatingViewResolver;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.forwardedUrl;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
/**
* Tests for {@link WebMvcAutoConfiguration}.
@ -579,102 +572,17 @@ public class WebMvcAutoConfigurationTests {
}
@Test
public void welcomePageMappingProducesNotFoundResponseWhenThereIsNoWelcomePage() {
this.contextRunner
.withPropertyValues(
"spring.resources.static-locations:classpath:/no-welcome-page/")
.run((context) -> {
assertThat(context).hasSingleBean(WelcomePageHandlerMapping.class);
MockMvcBuilders.webAppContextSetup(context).build()
.perform(get("/").accept(MediaType.TEXT_HTML))
.andExpect(status().isNotFound());
});
}
@Test
public void welcomePageRootHandlerIsNotRegisteredWhenStaticPathPatternIsNotSlashStarStar() {
this.contextRunner
.withPropertyValues(
"spring.resources.static-locations:classpath:/welcome-page/",
"spring.mvc.static-path-pattern:/foo/**")
.run((context) -> assertThat(
context.getBean(WelcomePageHandlerMapping.class).getRootHandler())
.isNull());
}
@Test
public void welcomePageMappingHandlesRequestsThatAcceptTextHtml() {
public void welcomePageHandlerMappingIsAutoConfigured() {
this.contextRunner
.withPropertyValues(
"spring.resources.static-locations:classpath:/welcome-page/")
.run((context) -> {
assertThat(context).hasSingleBean(WelcomePageHandlerMapping.class);
MockMvc mockMvc = MockMvcBuilders.webAppContextSetup(context).build();
mockMvc.perform(get("/").accept(MediaType.TEXT_HTML))
.andExpect(status().isOk())
.andExpect(forwardedUrl("index.html"));
mockMvc.perform(get("/").accept("*/*")).andExpect(status().isOk())
.andExpect(forwardedUrl("index.html"));
assertThat(context.getBean(WelcomePageHandlerMapping.class)
.getRootHandler()).isNotNull();
});
}
@Test
public void welcomePageMappingDoesNotHandleRequestsThatDoNotAcceptTextHtml() {
this.contextRunner
.withPropertyValues(
"spring.resources.static-locations:classpath:/welcome-page/")
.run((context) -> {
assertThat(context).hasSingleBean(WelcomePageHandlerMapping.class);
MockMvc mockMvc = MockMvcBuilders.webAppContextSetup(context).build();
mockMvc.perform(get("/").accept(MediaType.APPLICATION_JSON))
.andExpect(status().isNotFound());
});
}
@Test
public void welcomePageMappingHandlesRequestsWithNoAcceptHeader() {
this.contextRunner
.withPropertyValues(
"spring.resources.static-locations:classpath:/welcome-page/")
.run((context) -> {
assertThat(context).hasSingleBean(WelcomePageHandlerMapping.class);
MockMvc mockMvc = MockMvcBuilders.webAppContextSetup(context).build();
mockMvc.perform(get("/")).andExpect(status().isOk())
.andExpect(forwardedUrl("index.html"));
});
}
@Test
public void welcomePageMappingHandlesRequestsWithEmptyAcceptHeader()
throws Exception {
this.contextRunner
.withPropertyValues(
"spring.resources.static-locations:classpath:/welcome-page/")
.run((context) -> {
assertThat(context).hasSingleBean(WelcomePageHandlerMapping.class);
MockMvc mockMvc = MockMvcBuilders.webAppContextSetup(context).build();
mockMvc.perform(get("/").header(HttpHeaders.ACCEPT, ""))
.andExpect(status().isOk())
.andExpect(forwardedUrl("index.html"));
});
}
@Test
public void welcomePageMappingWorksWithNoTrailingSlashOnResourceLocation()
throws Exception {
this.contextRunner
.withPropertyValues(
"spring.resources.static-locations:classpath:/welcome-page")
.run((context) -> {
assertThat(context).hasSingleBean(WelcomePageHandlerMapping.class);
MockMvc mockMvc = MockMvcBuilders.webAppContextSetup(context).build();
mockMvc.perform(get("/").accept(MediaType.TEXT_HTML))
.andExpect(status().isOk())
.andExpect(forwardedUrl("index.html"));
});
}
@Test
public void validatorWhenNoValidatorShouldUseDefault() {
this.contextRunner.run((context) -> {

137
spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WelcomePageHandlerMappingTests.java Normal file
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@ -0,0 +1,137 @@
/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.web.servlet;
import java.util.Optional;
import org.junit.Test;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.forwardedUrl;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
/**
* Tests for {@link WelcomePageHandlerMapping}.
*
* @author Andy Wilkinson
*/
public class WelcomePageHandlerMappingTests {
private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
.withUserConfiguration(HandlerMappingConfiguration.class).withConfiguration(
AutoConfigurations.of(PropertyPlaceholderAutoConfiguration.class));
@Test
public void handlesRequestForStaticPageThatAcceptsTextHtml() {
this.contextRunner.withUserConfiguration(StaticResourceConfiguration.class)
.run((context) -> MockMvcBuilders.webAppContextSetup(context).build()
.perform(get("/").accept(MediaType.TEXT_HTML))
.andExpect(status().isOk())
.andExpect(forwardedUrl("index.html")));
}
@Test
public void handlesRequestForStaticPageThatAcceptsAll() {
this.contextRunner.withUserConfiguration(StaticResourceConfiguration.class)
.run((context) -> MockMvcBuilders.webAppContextSetup(context).build()
.perform(get("/").accept("*/*")).andExpect(status().isOk())
.andExpect(forwardedUrl("index.html")));
}
@Test
public void doesNotHandleRequestThatDoesNotAcceptTextHtml() {
this.contextRunner.withUserConfiguration(StaticResourceConfiguration.class)
.run((context) -> MockMvcBuilders.webAppContextSetup(context).build()
.perform(get("/").accept(MediaType.APPLICATION_JSON))
.andExpect(status().isNotFound()));
}
@Test
public void handlesRequestWithNoAcceptHeader() {
this.contextRunner.withUserConfiguration(StaticResourceConfiguration.class)
.run((context) -> MockMvcBuilders.webAppContextSetup(context).build()
.perform(get("/")).andExpect(status().isOk())
.andExpect(forwardedUrl("index.html")));
}
@Test
public void handlesRequestWithEmptyAcceptHeader() throws Exception {
this.contextRunner.withUserConfiguration(StaticResourceConfiguration.class)
.run((context) -> MockMvcBuilders.webAppContextSetup(context).build()
.perform(get("/").header(HttpHeaders.ACCEPT, ""))
.andExpect(status().isOk())
.andExpect(forwardedUrl("index.html")));
}
@Test
public void rootHandlerIsNotRegisteredWhenStaticPathPatternIsNotSlashStarStar() {
this.contextRunner.withUserConfiguration(StaticResourceConfiguration.class)
.withPropertyValues("static-path-pattern=/foo/**")
.run((context) -> assertThat(
context.getBean(WelcomePageHandlerMapping.class).getRootHandler())
.isNull());
}
@Test
public void producesNotFoundResponseWhenThereIsNoWelcomePage() {
this.contextRunner.run((context) -> MockMvcBuilders.webAppContextSetup(context)
.build().perform(get("/").accept(MediaType.TEXT_HTML))
.andExpect(status().isNotFound()));
}
@Configuration
static class HandlerMappingConfiguration {
@Bean
public WelcomePageHandlerMapping handlerMapping(
ApplicationContext applicationContext,
ObjectProvider<Resource> staticIndexPage,
@Value("${static-path-pattern:/**}") String staticPathPattern) {
return new WelcomePageHandlerMapping(
Optional.ofNullable(staticIndexPage.getIfAvailable()),
staticPathPattern);
}
}
@Configuration
static class StaticResourceConfiguration {
@Bean
public Resource staticIndexPage() {
return new FileSystemResource("src/test/resources/welcome-page/index.html");
}
}
}