스프링에 Converter 적용하기

typeconverter/src/main/java/hello/typeconverter/WebConfig.java

@@ -0,0 +1,21 @@
+package hello.typeconverter;
+
+import hello.typeconverter.converter.IntegerToStringConverter;
+import hello.typeconverter.converter.IpPortToStringConverter;
+import hello.typeconverter.converter.StringToIntegerConverter;
+import hello.typeconverter.converter.StringToIpPortConverter;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.format.FormatterRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addFormatters(FormatterRegistry registry) {
+        registry.addConverter(new StringToIntegerConverter());
+        registry.addConverter(new IntegerToStringConverter());
+        registry.addConverter(new StringToIpPortConverter());
+        registry.addConverter(new IpPortToStringConverter());
+    }
+}

typeconverter/src/main/java/hello/typeconverter/controller/HelloController.java

@@ -1,5 +1,6 @@
 package hello.typeconverter.controller;
 
+import hello.typeconverter.type.IpPort;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -22,4 +23,11 @@ public String helloV2(@RequestParam Integer data) {
         System.out.println("data = " + data);
         return "ok";
     }
+
+    @GetMapping("/ip-port")
+    public String ipPort(@RequestParam IpPort ipPort) {
+        System.out.println("ipPort IP = " + ipPort.getIp());
+        System.out.println("ipPort PORT = " + ipPort.getPort());
+        return "ok";
+    }
 }

typeconverter/src/test/java/hello/typeconverter/converter/ConversionServiceTest.java

@@ -20,7 +20,7 @@ void conversionService() {
         //사용
         assertThat(conversionService.convert("10", Integer.class)).isEqualTo(10);
         assertThat(conversionService.convert(10, String.class)).isEqualTo("10");
-        
+
         IpPort ipPort = conversionService.convert("127.0.0.1:8080", IpPort.class);
         assertThat(ipPort).isEqualTo(new IpPort("127.0.0.1", 8080));