로깅 개선 및 EAI 배치 가상 연동 작업 완료

src/main/java/com/eactive/ext/kjb/utils/ValidationUtil.java

@@ -0,0 +1,48 @@
+package com.eactive.ext.kjb.utils;
+
+import org.hibernate.validator.messageinterpolation.ParameterMessageInterpolator;
+
+import javax.validation.*;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public class ValidationUtil {
+    private static final ValidatorFactory factory;
+    private static final Validator validator;
+
+    static {
+        factory = Validation.byDefaultProvider()
+                .configure()
+                .messageInterpolator(new ParameterMessageInterpolator())
+                .buildValidatorFactory();
+
+        validator = factory.getValidator();
+    }
+
+
+    private ValidationUtil() {
+    }
+
+
+    public static <T> Set<ConstraintViolation<T>> validate(T target) {
+        return validator.validate(target);
+    }
+
+    public static <T> void validateOrThrow(T target) {
+        Set<ConstraintViolation<T>> violations = validate(target);
+        if (!violations.isEmpty()) {
+            String message = violations.stream()
+                    .map(v -> v.getPropertyPath() + " : " + v.getMessage())
+                    .collect(Collectors.joining(", "));
+            throw new ConstraintViolationException("Validation failed: " + message, violations);
+        }
+    }
+
+    public static <T> String getViolationMessage(T target) {
+        Set<ConstraintViolation<T>> violations = validate(target);
+        if (violations.isEmpty()) return null;
+        return violations.stream()
+                .map(v -> v.getPropertyPath() + " : " + v.getMessage())
+                .collect(Collectors.joining(", "));
+    }
+}