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BEAL3771: Cache Headers in Spring MVC

This commit is contained in:
chirag d 2020-02-08 16:34:45 +05:30
parent bfba3e457a
commit 92b7e549a1
8 changed files with 100 additions and 27 deletions
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1
pom.xml
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@ -692,6 +692,7 @@
<module>spring-mvc-forms-jsp</module>
<module>spring-mvc-forms-thymeleaf</module>
<module>spring-mvc-java</module>
<module>spring-mvc-java-2</module>
<module>spring-mvc-kotlin</module>
<module>spring-mvc-velocity</module>

13
spring-mvc-java-2/.gitignore vendored Normal file
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@ -0,0 +1,13 @@
*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear

39
spring-mvc-java-2/pom.xml Normal file
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@ -0,0 +1,39 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-mvc-java-2</artifactId>
<version>0.1-SNAPSHOT</version>
<name>spring-mvc-java-2</name>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-boot-2</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>${javax.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.mvc.version}</version>
</dependency>
</dependencies>
<properties>
<javax.version>4.0.1</javax.version>
<spring.mvc.version>5.2.2.RELEASE</spring.mvc.version>
</properties>
</project>

2
spring-mvc-java/src/main/java/com/baeldung/web/controller/CacheControlController.java → spring-mvc-java-2/src/main/java/com/baeldung/cache/CacheControlController.java vendored
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@ -1,4 +1,4 @@
package com.baeldung.web.controller;
package com.baeldung.cache;
import org.springframework.http.CacheControl;
import org.springframework.http.ResponseEntity;

41
spring-mvc-java-2/src/main/java/com/baeldung/cache/WebConfig.java vendored Normal file
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@ -0,0 +1,41 @@
package com.baeldung.cache;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.CacheControl;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.mvc.WebContentInterceptor;
import java.util.concurrent.TimeUnit;
@EnableWebMvc
@Configuration
@ComponentScan(basePackages = {"com.baeldung.cache"})
public class WebConfig implements WebMvcConfigurer {
@Override
public void addViewControllers(final ViewControllerRegistry registry) {
registry.addViewController("/").setViewName("index");
}
@Override
public void addResourceHandlers(final ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/")
.setCacheControl(CacheControl.maxAge(60, TimeUnit.SECONDS)
.noTransform()
.mustRevalidate());
}
@Override
public void addInterceptors(InterceptorRegistry registry) {
WebContentInterceptor interceptor = new WebContentInterceptor();
interceptor.addCacheMapping(CacheControl.maxAge(60, TimeUnit.SECONDS)
.noTransform()
.mustRevalidate(), "/cache/*");
registry.addInterceptor(interceptor);
}
}

0
spring-mvc-java/src/main/webapp/resources/hello.css → spring-mvc-java-2/src/main/webapp/resources/hello.css
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6
spring-mvc-java/src/test/java/com/baeldung/web/controller/CacheControlControllerIntegrationTest.java → spring-mvc-java-2/src/test/java/com/baeldung/cache/CacheControlControllerIntegrationTest.java vendored
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@ -1,6 +1,5 @@
package com.baeldung.web.controller;
package com.baeldung.cache;
import com.baeldung.spring.web.config.WebConfig;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
@ -16,9 +15,6 @@ import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;
import java.time.LocalDate;
import java.time.LocalDateTime;
import static org.springframework.http.HttpHeaders.IF_UNMODIFIED_SINCE;
@ExtendWith(SpringExtension.class)

21
spring-mvc-java/src/main/java/com/baeldung/spring/web/config/WebConfig.java
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@ -2,7 +2,6 @@ package com.baeldung.spring.web.config;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Bean;
@ -10,19 +9,15 @@ import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Description;
import org.springframework.context.support.ResourceBundleMessageSource;
import org.springframework.http.CacheControl;
import org.springframework.http.MediaType;
import org.springframework.http.converter.ByteArrayHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping;
import org.springframework.web.servlet.mvc.WebContentInterceptor;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.JstlView;
import org.springframework.web.util.UrlPathHelper;
@ -35,7 +30,7 @@ import com.baeldung.excel.ExcelPOIHelper;
@EnableWebMvc
@Configuration
@ComponentScan(basePackages = {"com.baeldung.web.controller"})
@ComponentScan(basePackages = { "com.baeldung.web.controller" })
public class WebConfig implements WebMvcConfigurer {
@Override
@ -89,10 +84,7 @@ public class WebConfig implements WebMvcConfigurer {
@Override
public void addResourceHandlers(final ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/")
.setCacheControl(CacheControl.maxAge(60, TimeUnit.SECONDS)
.noTransform()
.mustRevalidate());
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
}
@Override
@ -129,13 +121,4 @@ public class WebConfig implements WebMvcConfigurer {
public ExcelPOIHelper excelPOIHelper() {
return new ExcelPOIHelper();
}
@Override
public void addInterceptors(InterceptorRegistry registry) {
WebContentInterceptor interceptor = new WebContentInterceptor();
interceptor.addCacheMapping(CacheControl.maxAge(60, TimeUnit.SECONDS)
.noTransform()
.mustRevalidate(), "/cache/*");
registry.addInterceptor(interceptor);
}
}