[DELETE/ADD] 例外Handlerを再作成しました。

src/main/java/com/example/demo/aop/handler/GlobalExceptionHandler.java

@@ -0,0 +1,61 @@
+package com.example.demo.aop.handler;
+
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.ui.Model;
+import org.springframework.web.HttpRequestMethodNotSupportedException;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+import com.example.demo.exception.NoSessionException;
+
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+	private final static Logger LOGGER = Logger.getLogger(GlobalExceptionHandler.class.getName());
+
+	private final String SEVERE_ERROR_MESSAGE_ILLEGAL_TRANSITION = "不正な遷移です。";
+	private final String SEVERE_ERROR_MESSAGE_BAD_REQUEST = "不正なリクエストです。";
+
+	@ExceptionHandler(NoSessionException.class)
+	public String handleNoSessionException(Model model, Exception e) {
+
+		e.printStackTrace();
+
+		LOGGER.log(Level.SEVERE, SEVERE_ERROR_MESSAGE_ILLEGAL_TRANSITION, e);
+
+		model.addAttribute(
+                "errorMessage",
+                "システムエラーが発生しました。"
+                + "初めからやり直してください。");
+
+        return "error";
+		
+	}
+
+	@ExceptionHandler(HttpRequestMethodNotSupportedException.class)
+	public String handleBadRequestException(Model model, Exception e) {
+		model.addAttribute("error", SEVERE_ERROR_MESSAGE_BAD_REQUEST);
+		model.addAttribute("status", HttpStatus.BAD_REQUEST.value());
+
+		e.printStackTrace();
+
+		LOGGER.log(Level.SEVERE, SEVERE_ERROR_MESSAGE_ILLEGAL_TRANSITION, e);
+
+		return "error";
+	}
+
+	@ExceptionHandler(Exception.class)
+	public String AllException(Model model, Exception e) {
+		model.addAttribute("error", SEVERE_ERROR_MESSAGE_BAD_REQUEST);
+
+		e.printStackTrace();
+
+		LOGGER.log(Level.SEVERE, SEVERE_ERROR_MESSAGE_ILLEGAL_TRANSITION, e);
+
+		return "error";
+	}
+}

src/main/java/com/example/demo/exception/GlobalExceptionHandler.java

@@ -1,22 +0,0 @@
-package com.example.demo.exception;
-
-import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.ControllerAdvice;
-import org.springframework.web.bind.annotation.ExceptionHandler;
-
-@ControllerAdvice
-public class GlobalExceptionHandler {
-
-    @ExceptionHandler(Exception.class)
-    public String handleException(
-            Exception e,
-            Model model) {
-
-        model.addAttribute(
-                "errorMessage",
-                "システムエラーが発生しました。"
-                + "初めからやり直してください。");
-
-        return "error";
-    }
-}