Spring boot response compress example

• text/html
• text/xml
• text/plain
• text/css

Other content types can be configured using server.compression.mime-types in application.properties file like

server.compression.mime-types=application/pdf,text/html

2. Example:

Spring boot response compress example

2.1 pom.xml

<?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>spring-boot-example</groupId>
    <artifactId>spring-boot-response-compress</artifactId>
    <version>1.0-SNAPSHOT</version>
    <description>Spring boot response compress for Tomcat, Jetty, and Undertow servers</description>
    <!-- Inherit defaults from Spring Boot -->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.4.RELEASE</version>
    </parent>
    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>
    <!-- Package as an executable jar -->
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

2.1 application.properties

server.compression.min-response-size in bytes which indicate only those content which size is grated then this value.

server.compression.enabled=true
server.compression.min-response-size=1

2.2 CompressDemoController

package com.javadeveloperzone.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
 * Created by Java Developer Zone on 19-07-2017.
 */
@RestController
public class CompressDemoController {
    @RequestMapping(value = "/demo")
    public String demo() {
        return "Spring boot compressed response.";
    }
}

2.3 SpringBootConfig

package com.javadeveloperzone;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
/**
 * Created by JavaDeveloperZone on 19-07-2017.
 */
@SpringBootApplication
@ComponentScan // Using a root package also allows the @ComponentScan annotation to be used without needing to specify a basePackage attribute
public class SpringBootConfig {
    public static void main(String[] args) throws Exception {
        SpringApplication.run(SpringBootConfig.class, args);            // it wil start application
    }
}

2.4 Output

Spring boot response compress – output

4. References

• Spring boot http document