2021-08-18

interceptor/build.gradle.kts

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+/*
+ * Spring-boot Examples
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+plugins {
+    id("elex-spring-boot")
+
+    id("org.springframework.boot") version "2.5.3"
+    id("io.spring.dependency-management") version "1.0.11.RELEASE"
+}
+
+dependencies {
+    implementation("org.springframework.boot:spring-boot-starter-web")
+    implementation("org.springframework.boot:spring-boot-starter-mustache")
+
+    compileOnly("org.projectlombok:lombok")
+    developmentOnly("org.springframework.boot:spring-boot-devtools")
+
+    annotationProcessor("org.springframework.boot:spring-boot-configuration-processor")
+    annotationProcessor("org.projectlombok:lombok")
+
+    testImplementation("org.springframework.boot:spring-boot-starter-test")
+
+}

interceptor/src/main/java/kr/pe/elex/examples/Application.java

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+/*
+ * Spring-boot Examples
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.boot.web.servlet.ServletComponentScan;
+import org.springframework.context.annotation.Bean;
+@Slf4j
+@SpringBootApplication
+@ServletComponentScan
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+	@Bean
+	public FilterRegistrationBean<MyFilter3> myFilter(){
+		FilterRegistrationBean<MyFilter3> bean = new FilterRegistrationBean<>();
+		bean.setFilter(new MyFilter3());
+		bean.setOrder(3);
+		bean.addUrlPatterns("/sample/*");
+		return bean;
+	}
+}

interceptor/src/main/java/kr/pe/elex/examples/MyConfig.java

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+package kr.pe.elex.examples;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class MyConfig implements WebMvcConfigurer {
+	@Autowired
+	private MyInterceptor myInterceptor;
+
+	@Override
+	public void addInterceptors(InterceptorRegistry registry) {
+
+		registry.addInterceptor(myInterceptor)
+				.addPathPatterns("/**");
+	}
+
+
+}

interceptor/src/main/java/kr/pe/elex/examples/MyController.java

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+/*
+ * Spring-boot Examples
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.jetbrains.annotations.NotNull;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.Resource;
+import org.springframework.http.ContentDisposition;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
+import java.util.HashMap;
+
+@Slf4j
+@Controller
+public class MyController {
+	@Autowired
+	private MyService service;
+
+	@GetMapping(path = {"/**"})
+	public String index() throws Exception {
+		log.info("I'm a controller.");
+		return "main";
+	}
+
+}

interceptor/src/main/java/kr/pe/elex/examples/MyFilter1.java

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+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+import javax.servlet.*;
+import java.io.IOException;
+
+@Slf4j
+@Component
+@Order(1)
+public class MyFilter1 implements Filter {
+	@Override
+	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+		log.info("I'm a filter 1.");
+		chain.doFilter(request, response);
+	}
+}

interceptor/src/main/java/kr/pe/elex/examples/MyFilter2.java

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+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.web.servlet.ServletComponentScan;
+import org.springframework.core.annotation.Order;
+
+import javax.servlet.*;
+import javax.servlet.annotation.WebFilter;
+import java.io.IOException;
+
+@Slf4j
+@WebFilter(urlPatterns = "/sample/*")
+@Order(2)
+public class MyFilter2 implements Filter {
+	@Override
+	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+		log.info("I'm a filter 2.");
+		chain.doFilter(request, response);
+	}
+}

interceptor/src/main/java/kr/pe/elex/examples/MyFilter3.java

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+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.core.annotation.Order;
+
+import javax.servlet.*;
+import java.io.IOException;
+
+@Slf4j
+//@Order(3)
+public class MyFilter3 implements Filter {
+	@Override
+	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+		log.info("I'm a filter 3.");
+		chain.doFilter(request, response);
+	}
+}

interceptor/src/main/java/kr/pe/elex/examples/MyInterceptor.java

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+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@Component
+@Slf4j
+public class MyInterceptor implements HandlerInterceptor {
+	@Override
+	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+		log.info("I'm an interceptor, preHandle");
+		return true;
+	}
+
+	@Override
+	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
+		log.info("I'm an interceptor, postHandle");
+		HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
+	}
+
+	@Override
+	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+		log.info("I'm an interceptor, afterCompletion");
+		HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
+	}
+}

interceptor/src/main/java/kr/pe/elex/examples/MyService.java

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+package kr.pe.elex.examples;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+@Slf4j
+@Service
+public class MyService {
+
+}

interceptor/src/main/java/kr/pe/elex/examples/package-info.java

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+/*
+ * Spring-boot Examples
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;

interceptor/src/main/resources/application.yaml

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+spring:
+  application:
+    name: My spring-boot project
+server:
+  port: 8080
+logging:
+  level:
+    root: info

interceptor/src/main/resources/banner.txt

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+   ('-.              ('-.  ) (`-.
+ _(  OO)           _(  OO)  ( OO ).
+(,------.,--.     (,------.(_/.  \_)-.
+ |  .---'|  |.-')  |  .---' \  `.'  /
+ |  |    |  | OO ) |  |      \     /\
+(|  '--. |  |`-' |(|  '--.    \   \ |
+ |  .--'(|  '---.' |  .--'   .'    \_)
+ |  `---.|      |  |  `---. /  .'.  \
+ `------'`------'  `------''--'   '--'
+powered by ELEX

interceptor/src/main/resources/templates/main.mustache

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+<h1>Hello</h1>
+<p>Hello, World!</p>