Feat: 스프링 필터 예제 추가 (#10)

Author: soyeon207

settings.gradle

@@ -3,4 +3,6 @@ include 'swagger-test-server'
 include 'jwt-security-server'
 include 'spring-security-server'
 include 'es-test-server'
+include 'clustering-test-server'
+include 'spring-test-server'
 

spring-test-server/src/main/java/velog/soyeon/spring/SpringTestApplication.java

@@ -0,0 +1,13 @@
+package velog.soyeon.spring;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringTestApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringTestApplication.class, args);
+    }
+
+}

spring-test-server/src/main/java/velog/soyeon/spring/filter/CustomFilter.java

@@ -0,0 +1,31 @@
+package velog.soyeon.spring.filter;
+
+import lombok.extern.slf4j.Slf4j;
+
+import javax.servlet.*;
+import javax.servlet.FilterConfig;
+import java.io.IOException;
+
+@Slf4j
+public class CustomFilter implements Filter {
+
+    @Override
+    public void init(FilterConfig filterConfig) throws ServletException {
+        log.info("1. CustomFilter 실행");
+        Filter.super.init(filterConfig);
+    }
+
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+        log.info(">>>>>>>>> 2. CustomFilter 동작 >>>>>>>>>");
+        log.info(">>>>>>>>> 시작 >>>>>>>>>");
+        chain.doFilter(request, response);
+        log.info(">>>>>>>>> 종료 >>>>>>>>>");
+    }
+
+    @Override
+    public void destroy() {
+        log.info("3. CustomFilter 삭제");
+        Filter.super.destroy();
+    }
+}

spring-test-server/src/main/java/velog/soyeon/spring/filter/FilterConfig.java

@@ -0,0 +1,16 @@
+package velog.soyeon.spring.filter;
+
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class FilterConfig {
+
+    @Bean
+    public FilterRegistrationBean customFilterBean() {
+        FilterRegistrationBean registrationBean = new FilterRegistrationBean(new CustomFilter());
+        return registrationBean;
+    }
+
+}

spring-test-server/src/main/java/velog/soyeon/spring/filter/FilterTestController.java

@@ -0,0 +1,16 @@
+package velog.soyeon.spring.filter;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/filter/test")
+public class FilterTestController {
+
+    @GetMapping
+    public String test() {
+        return "test";
+    }
+
+}

spring-test-server/src/main/resources/application.yml

@@ -0,0 +1,2 @@
+server:
+  port: 8004