From 54ce465b0df8f45113fd05015b35c4523942c8e8 Mon Sep 17 00:00:00 2001
From: Steven <admin@stevenhsu.ca>
Date: Wed, 26 Feb 2014 21:08:31 -0800
Subject: [PATCH] Added a validation helper for future use.

---
 .../comp4911/helper/ValidationHelper.java     | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/main/java/ca/bcit/infosys/comp4911/helper/ValidationHelper.java

diff --git a/src/main/java/ca/bcit/infosys/comp4911/helper/ValidationHelper.java b/src/main/java/ca/bcit/infosys/comp4911/helper/ValidationHelper.java
new file mode 100644
index 0000000..5978499
--- /dev/null
+++ b/src/main/java/ca/bcit/infosys/comp4911/helper/ValidationHelper.java
@@ -0,0 +1,33 @@
+package ca.bcit.infosys.comp4911.helper;
+
+import org.json.JSONArray;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.Validation;
+import javax.validation.Validator;
+import javax.validation.ValidatorFactory;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Response;
+import java.util.Set;
+
+/**
+ * Validation Helper
+ */
+public class ValidationHelper {
+
+    private static ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
+
+    public static Validator getValidator() {
+        return factory.getValidator();
+    }
+
+    public static boolean validateEntity(Object object){
+        Set<ConstraintViolation<Object>> constraintViolations = ValidationHelper.getValidator().validate(object);
+        if (constraintViolations.size() > 0) {
+            JSONArray jsonArray = new JSONArray(constraintViolations.toArray());
+            throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST).entity(jsonArray.toString()).build());
+        }
+        
+        return true;
+    }
+}