JAVA-8363: Move etag code to spring-boot-mvc-3

spring-boot-modules/spring-boot-mvc-2/src/main/java/com/baeldung/mime/Foo.java

@@ -0,0 +1,93 @@
+package com.baeldung.mime;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Version;
+import java.io.Serializable;
+
+@Entity
+public class Foo implements Serializable {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private long id;
+
+    @Column(nullable = false)
+    private String name;
+
+    @Version
+    private long version;
+
+    public Foo() {
+        super();
+    }
+
+    public Foo(final String name) {
+        super();
+
+        this.name = name;
+    }
+
+    // API
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(final long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+    public long getVersion() {
+        return version;
+    }
+
+    public void setVersion(long version) {
+        this.version = version;
+    }
+
+    //
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        final Foo other = (Foo) obj;
+        if (name == null) {
+            if (other.name != null)
+                return false;
+        } else if (!name.equals(other.name))
+            return false;
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder();
+        builder.append("Foo [name=").append(name).append("]");
+        return builder.toString();
+    }
+}

spring-boot-modules/spring-boot-mvc-2/src/main/java/com/baeldung/mime/WebConfig.java

@@ -0,0 +1,28 @@
+package com.baeldung.mime;
+
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.filter.ShallowEtagHeaderFilter;
+
+@Configuration
+public class WebConfig {
+
+    // Etags
+
+    // If we're not using Spring Boot we can make use of
+    // AbstractAnnotationConfigDispatcherServletInitializer#getServletFilters
+    @Bean
+    public FilterRegistrationBean<ShallowEtagHeaderFilter> shallowEtagHeaderFilter() {
+        FilterRegistrationBean<ShallowEtagHeaderFilter> filterRegistrationBean = new FilterRegistrationBean<>( new ShallowEtagHeaderFilter());
+        filterRegistrationBean.addUrlPatterns("/foos/*");
+        filterRegistrationBean.setName("etagFilter");
+        return filterRegistrationBean;
+    }
+    
+    // We can also just declare the filter directly
+    // @Bean
+    // public ShallowEtagHeaderFilter shallowEtagHeaderFilter() {
+    // return new ShallowEtagHeaderFilter();
+    // }
+}

spring-boot-modules/spring-boot-mvc-2/src/test/java/com/baeldung/mime/FooLiveTest.java

@@ -14,15 +14,12 @@ import org.springframework.context.annotation.ComponentScan;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
-import com.baeldung.etag.Foo;
-import com.baeldung.etag.WebConfig;
-
 import io.restassured.RestAssured;
 import io.restassured.response.Response;
 
 @RunWith(SpringJUnit4ClassRunner.class)
 @SpringBootTest(classes = WebConfig.class, webEnvironment = WebEnvironment.RANDOM_PORT)
-@ComponentScan({"com.baeldung.mime", "com.baeldung.etag"})
+@ComponentScan({"com.baeldung.mime"})
 @EnableAutoConfiguration
 @ActiveProfiles("test")
 public class FooLiveTest {

spring-boot-modules/spring-boot-mvc-2/src/test/java/com/baeldung/mime/JacksonMarshaller.java

@@ -7,7 +7,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.MediaType;
 
-import com.baeldung.etag.Foo;
+import com.baeldung.mime.Foo;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 

spring-boot-modules/spring-boot-mvc-2/src/test/java/com/baeldung/mime/XStreamMarshaller.java

@@ -4,7 +4,7 @@ import java.util.List;
 
 import org.springframework.http.MediaType;
 
-import com.baeldung.etag.Foo;
+import com.baeldung.mime.Foo;
 import com.thoughtworks.xstream.XStream;
 
 public final class XStreamMarshaller implements IMarshaller {

spring-boot-modules/spring-boot-mvc-3/pom.xml

@@ -27,6 +27,14 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-thymeleaf</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>

spring-boot-modules/spring-boot-mvc-3/src/main/java/com/baeldung/etag/Foo.java

@@ -1,13 +1,12 @@
 package com.baeldung.etag;
 
-import java.io.Serializable;
-
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.Version;
+import java.io.Serializable;
 
 @Entity
 public class Foo implements Serializable {

spring-boot-modules/spring-boot-mvc-3/src/main/java/com/baeldung/etag/FooController.java

@@ -1,7 +1,5 @@
 package com.baeldung.etag;
 
-import javax.servlet.http.HttpServletResponse;
-
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -16,6 +14,8 @@ import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.server.ResponseStatusException;
 
+import javax.servlet.http.HttpServletResponse;
+
 @RestController
 @RequestMapping(value = "/foos")
 public class FooController {

spring-boot-modules/spring-boot-mvc-3/src/test/java/com/baeldung/etag/EtagIntegrationTest.java

@@ -1,10 +1,10 @@
 package com.baeldung.etag;
 
-import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
+import com.fasterxml.jackson.core.JsonProcessingException;
-import static org.assertj.core.api.Assertions.assertThat;
+import com.fasterxml.jackson.databind.ObjectMapper;
-import static org.junit.Assert.assertNotNull;
+import io.restassured.RestAssured;
-import static org.junit.Assert.assertTrue;
+import io.restassured.http.ContentType;
-
+import io.restassured.response.Response;
 import org.assertj.core.util.Preconditions;
 import org.junit.Ignore;
 import org.junit.Test;
@@ -18,12 +18,10 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 import org.springframework.test.context.junit4.SpringRunner;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
+import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
-import com.fasterxml.jackson.databind.ObjectMapper;
+import static org.assertj.core.api.Assertions.assertThat;
-
+import static org.junit.Assert.assertNotNull;
-import io.restassured.RestAssured;
+import static org.junit.Assert.assertTrue;
-import io.restassured.http.ContentType;
-import io.restassured.response.Response;
 
 @RunWith(SpringRunner.class)
 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)