From b3427f476063b5ffc25fd4b7229d373535945ac2 Mon Sep 17 00:00:00 2001
From: xuelianhan007 <xuelianhan007@gmail.com>
Date: Mon, 23 Dec 2024 10:34:15 +0800
Subject: [PATCH] added checking for empty string

---
 .../operator/gateway/runner/DataTypeChecker.java    | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/kraken-java-sdk/kraken-java-sdk-gateway/src/main/java/com/consoleconnect/kraken/operator/gateway/runner/DataTypeChecker.java b/kraken-java-sdk/kraken-java-sdk-gateway/src/main/java/com/consoleconnect/kraken/operator/gateway/runner/DataTypeChecker.java
index 858179fa..0025a63e 100644
--- a/kraken-java-sdk/kraken-java-sdk-gateway/src/main/java/com/consoleconnect/kraken/operator/gateway/runner/DataTypeChecker.java
+++ b/kraken-java-sdk/kraken-java-sdk-gateway/src/main/java/com/consoleconnect/kraken/operator/gateway/runner/DataTypeChecker.java
@@ -61,9 +61,7 @@ default boolean checkExpectNotBlank(PathCheck pathCheck, Object variable) {
 
   default boolean checkExpectString(PathCheck pathCheck, Object variable) {
     Class<?> dataType = whichDataTypeClass(variable);
-    if (Objects.isNull(variable)
-        || !String.class.equals(dataType)
-        || StringUtils.isBlank((String) variable)) {
+    if (Objects.isNull(variable) || !String.class.equals(dataType)) {
       throwException(
           pathCheck,
           String.format(
@@ -72,6 +70,15 @@ default boolean checkExpectString(PathCheck pathCheck, Object variable) {
               variable,
               (dataType == null ? null : dataType.getSimpleName()),
               "String"));
+    } else if (StringUtils.isBlank((String) variable)) {
+      throwException(
+          pathCheck,
+          String.format(
+              EXPECT_INT_MSG,
+              extractCheckingPath(pathCheck.path()),
+              variable,
+              "empty string",
+              "Non Empty String"));
     }
     return true;
   }