java - Spring boot response compression

Java - Spring boot response compression

Implementing response compression in a Spring Boot application involves configuring compression filters to compress HTTP responses. This can significantly reduce the amount of data sent over the network, improving application performance. Here's how you can enable response compression:

Step 1: Add Dependency

First, ensure you have the necessary dependency for compression in your pom.xml (if using Maven) or build.gradle (if using Gradle):

Maven

<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> <!-- Required for Tomcat --> </dependency>

Gradle

implementation 'org.springframework.boot:spring-boot-starter-web' implementation 'org.springframework.boot:spring-boot-starter-tomcat' // Required for Tomcat

Step 2: Configure Compression

Option 1: Using Spring Boot Properties

Add the following properties to your application.properties or application.yml:

application.properties

server.compression.enabled=true server.compression.mime-types=application/json,application/xml,text/html,text/xml,text/plain server.compression.min-response-size=1024

application.yml

server: compression: enabled: true mime-types: application/json,application/xml,text/html,text/xml,text/plain min-response-size: 1024
  • server.compression.enabled: Enables response compression.
  • server.compression.mime-types: Comma-separated list of MIME types to compress.
  • server.compression.min-response-size: Minimum size of the response body in bytes before compression is applied.

Option 2: Programmatically in Java Configuration

Alternatively, configure compression programmatically by creating a configuration class:

import org.springframework.boot.web.servlet.FilterRegistrationBean; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.web.filter.CharacterEncodingFilter; import org.springframework.web.filter.CompressionFilter; @Configuration public class CompressionConfig { @Bean public FilterRegistrationBean<CompressionFilter> compressionFilter() { FilterRegistrationBean<CompressionFilter> filterRegistrationBean = new FilterRegistrationBean<>(); filterRegistrationBean.setFilter(new CompressionFilter()); filterRegistrationBean.addUrlPatterns("/*"); // Apply compression to all URLs filterRegistrationBean.addInitParameter("threshold", "1024"); // Minimum size to compress return filterRegistrationBean; } }

Step 3: Test Compression

After configuring, start your Spring Boot application. Responses of types specified in server.compression.mime-types (or programmatic configuration) will be compressed if they meet the size threshold (server.compression.min-response-size or threshold in programmatic config).

Notes

  • Choose MIME Types: Adjust server.compression.mime-types to include MIME types relevant to your application's response types.
  • Size Threshold: Set server.compression.min-response-size or threshold to an appropriate value based on the typical size of your responses. Responses smaller than this threshold won't be compressed.
  • Tomcat Note: If you're using an embedded Tomcat server (spring-boot-starter-tomcat), it automatically supports compression. For other servers, additional configuration may be necessary.

By following these steps, you can effectively enable response compression in your Spring Boot application, improving performance by reducing data transmission size over the network. Adjust configurations as needed based on your application's requirements and deployment environment.

Examples

  1. Enable Response Compression in Spring Boot

    • Description: Learn how to enable gzip compression for HTTP responses in a Spring Boot application to reduce bandwidth usage.
    • Code:
      @Configuration public class CompressionConfig { @Bean public FilterRegistrationBean<GzipFilter> gzipFilter() { FilterRegistrationBean<GzipFilter> registrationBean = new FilterRegistrationBean<>(); registrationBean.setFilter(new GzipFilter()); registrationBean.addUrlPatterns("/*"); registrationBean.setName("gzipFilter"); registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE); return registrationBean; } }

  2. Spring Boot Response Compression Example with Gzip

    • Description: Example demonstrating how to configure Spring Boot to compress HTTP responses using Gzip compression.
    • Code:
      @Configuration public class CompressionConfig { @Bean public FilterRegistrationBean<GzipFilter> gzipFilter() { FilterRegistrationBean<GzipFilter> registrationBean = new FilterRegistrationBean<>(); registrationBean.setFilter(new GzipFilter()); registrationBean.addUrlPatterns("/*"); registrationBean.setName("gzipFilter"); registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE); return registrationBean; } }

  3. Implement Response Compression in Spring Boot REST API

    • Description: Implement response compression for RESTful APIs in Spring Boot to optimize data transmission over network.
    • Code:
      @Configuration public class CompressionConfig { @Bean public FilterRegistrationBean<GzipFilter> gzipFilter() { FilterRegistrationBean<GzipFilter> registrationBean = new FilterRegistrationBean<>(); registrationBean.setFilter(new GzipFilter()); registrationBean.addUrlPatterns("/api/*"); // Apply compression to API endpoints registrationBean.setName("gzipFilter"); registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE); return registrationBean; } }

  4. Spring Boot Enable Compression for JSON Responses

    • Description: Guide on enabling compression specifically for JSON responses in Spring Boot applications to improve performance.
    • Code:
      @Configuration public class CompressionConfig { @Bean public FilterRegistrationBean<GzipFilter> gzipFilter() { FilterRegistrationBean<GzipFilter> registrationBean = new FilterRegistrationBean<>(); registrationBean.setFilter(new GzipFilter()); registrationBean.addUrlPatterns("/*"); registrationBean.setName("gzipFilter"); registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE); registrationBean.addInitParameter("methods", "GET,POST,PUT,DELETE"); // Optionally specify HTTP methods to compress registrationBean.addInitParameter("mimeTypes", "application/json"); // Compress JSON responses return registrationBean; } }

  5. Enable Response Compression in Spring Boot YAML Configuration

    • Description: Configure Spring Boot application.yml or application.properties to enable response compression for all requests.
    • Code (application.yml):
      server: compression: enabled: true mime-types: application/json,text/html,application/xml min-response-size: 1024

  6. Spring Boot Response Compression Using Embedded Tomcat

    • Description: Utilize embedded Tomcat's compression capabilities in Spring Boot to compress HTTP responses.
    • Code (application.properties):
      server.compression.enabled=true server.compression.mime-types=application/json,text/html,application/xml server.compression.min-response-size=1024

  7. Java Spring Boot Gzip Compression Filter Example

    • Description: Example of configuring a Gzip compression filter in Spring Boot to compress responses for improved performance.
    • Code:
      @Bean public FilterRegistrationBean<GzipFilter> gzipFilter() { FilterRegistrationBean<GzipFilter> registrationBean = new FilterRegistrationBean<>(); registrationBean.setFilter(new GzipFilter()); registrationBean.addUrlPatterns("/*"); registrationBean.setName("gzipFilter"); registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE); return registrationBean; }

  8. Spring Boot Response Compression for Static Resources

    • Description: Implement compression for static resources (like CSS, JS files) in Spring Boot to optimize loading times.
    • Code:
      @Bean public FilterRegistrationBean<GzipFilter> gzipFilter() { FilterRegistrationBean<GzipFilter> registrationBean = new FilterRegistrationBean<>(); registrationBean.setFilter(new GzipFilter()); registrationBean.addUrlPatterns("/static/*"); registrationBean.setName("gzipFilter"); registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE); return registrationBean; }

  9. Spring Boot Gzip Compression for XML Responses

    • Description: Configure Spring Boot to compress XML responses using Gzip compression for efficient data transfer.
    • Code:
      @Bean public FilterRegistrationBean<GzipFilter> gzipFilter() { FilterRegistrationBean<GzipFilter> registrationBean = new FilterRegistrationBean<>(); registrationBean.setFilter(new GzipFilter()); registrationBean.addUrlPatterns("/*"); registrationBean.setName("gzipFilter"); registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE); registrationBean.addInitParameter("mimeTypes", "application/xml"); // Compress XML responses return registrationBean; }

  10. Java Spring Boot Enable Compression for HTML Responses

    • Description: Enable compression specifically for HTML responses in Spring Boot applications to improve page load times.
    • Code:
      @Bean public FilterRegistrationBean<GzipFilter> gzipFilter() { FilterRegistrationBean<GzipFilter> registrationBean = new FilterRegistrationBean<>(); registrationBean.setFilter(new GzipFilter()); registrationBean.addUrlPatterns("/*"); registrationBean.setName("gzipFilter"); registrationBean.setOrder(Ordered.HIGHEST_PRECEDENCE); registrationBean.addInitParameter("mimeTypes", "text/html"); // Compress HTML responses return registrationBean; }

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