오류발생시 수신받는 HTTP상태코드를 지정하고 메시지를 텍스트로 응답받는 클래스 추가

src/main/java/cokr/xit/applib/HttpStatusCodeException.java

@@ -0,0 +1,17 @@
+package cokr.xit.applib;
+
+public class HttpStatusCodeException extends RuntimeException {
+
+	private static final long serialVersionUID = 1L;
+
+	private int status;
+
+	public int getStatus() {
+		return this.status;
+	}
+
+	public HttpStatusCodeException(int statusCode, String message){
+		super(message);
+		this.status = statusCode;
+    }
+}

src/main/java/cokr/xit/applib/HttpStatusCodeExceptionControllerAdvice.java

@@ -0,0 +1,27 @@
+package cokr.xit.applib;
+
+import java.nio.charset.StandardCharsets;
+
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.context.request.WebRequest;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+@ControllerAdvice
+public class HttpStatusCodeExceptionControllerAdvice extends ResponseEntityExceptionHandler {
+
+	@ExceptionHandler(HttpStatusCodeException.class)
+	public ResponseEntity<Object> handleHttpStatusCodeException(
+    		final HttpStatusCodeException exception, final WebRequest webRequest) {
+    	int status = exception.getStatus();
+    	String body = exception.getMessage();
+    	HttpHeaders header = new HttpHeaders();
+    	header.setContentType(new MediaType(MediaType.TEXT_PLAIN, StandardCharsets.UTF_8));
+        return handleExceptionInternal(exception, body, header, HttpStatus.valueOf(status), webRequest);
+    }
+
+}