BAEL-614 base module for cache-control

spring-security-cache-control/pom.xml

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+<?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>
+
+    <groupId>com.baeldung</groupId>
+    <artifactId>spring-security-cache-control</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.4.3.RELEASE</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-config</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>${javax.servlet-api.version}</version>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <javax.servlet-api.version>3.1.0</javax.servlet-api.version>
+    </properties>
+
+</project>

spring-security-cache-control/src/main/java/com/baeldung/cachecontrol/ResourceEndpoint.java

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+package com.baeldung.cachecontrol;
+
+
+import com.baeldung.cachecontrol.model.TimestampDto;
+import com.baeldung.cachecontrol.model.UserDto;
+import org.springframework.http.CacheControl;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.util.concurrent.TimeUnit;
+
+@RestController
+public class ResourceEndpoint {
+
+    @RequestMapping(value = "/users/{name}", method = RequestMethod.GET)
+    public ResponseEntity<UserDto> getUser(@PathVariable(value = "name") String name) {
+        return ResponseEntity.ok()
+                .cacheControl(CacheControl.maxAge(60, TimeUnit.SECONDS))
+                .body(new UserDto(name));
+    }
+
+
+    @RequestMapping(value = "/timestamp", method = RequestMethod.GET)
+    public ResponseEntity<TimestampDto> getServerTimestamp() {
+        return ResponseEntity.ok()
+                .cacheControl(CacheControl.noStore())
+                .cacheControl(CacheControl.noCache())
+                .body(new TimestampDto(LocalDateTime.now().toInstant(ZoneOffset.UTC).toEpochMilli()));
+    }
+}

spring-security-cache-control/src/main/java/com/baeldung/cachecontrol/app/AppRunner.java

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+package com.baeldung.cachecontrol.app;
+
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class AppRunner {
+    public static void main(String[] args) {
+        SpringApplication.run(AppRunner.class, args);
+    }
+}

spring-security-cache-control/src/main/java/com/baeldung/cachecontrol/config/SpringSecurityConfig.java

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+package com.baeldung.cachecontrol.config;
+
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+
+@Configuration
+@EnableWebSecurity
+public class SpringSecurityConfig extends WebSecurityConfigurerAdapter {
+
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http
+                .authorizeRequests()
+                .anyRequest().permitAll()
+                .and().headers()
+                .defaultsDisabled()
+                .cacheControl();
+    }
+}

spring-security-cache-control/src/main/java/com/baeldung/cachecontrol/config/WebConfiguration.java

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+package com.baeldung.cachecontrol.config;
+
+import org.springframework.http.CacheControl;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+
+import java.util.concurrent.TimeUnit;
+
+@EnableWebMvc
+public class WebConfiguration extends WebMvcConfigurerAdapter {
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry
+                .addResourceHandler("/resources/**")
+                .addResourceLocations("/resources/")
+                .setCacheControl(CacheControl.maxAge(24, TimeUnit.HOURS));
+
+    }
+}
+

spring-security-cache-control/src/main/java/com/baeldung/cachecontrol/model/TimestampDto.java

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+package com.baeldung.cachecontrol.model;
+
+
+public class TimestampDto {
+    public final Long timestamp;
+
+    public TimestampDto(Long timestamp) {
+        this.timestamp = timestamp;
+    }
+}

spring-security-cache-control/src/main/java/com/baeldung/cachecontrol/model/UserDto.java

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+package com.baeldung.cachecontrol.model;
+
+
+public class UserDto {
+    public final String name;
+
+    public UserDto(String name) {
+        this.name = name;
+    }
+
+}