1 files changed, 27 insertions, 0 deletions
diff --git a/usecaseui-common/src/main/java/org/onap/portal/system/CommonUtil.java b/usecaseui-common/src/main/java/org/onap/portal/system/CommonUtil.java
new file mode 100644
index 00000000..122f983d
--- /dev/null
+++ b/usecaseui-common/src/main/java/org/onap/portal/system/CommonUtil.java
@@ -0,0 +1,27 @@
+/**
+ * Copyright 2016-2017 ZTE Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onap.portal.system;
+
+public class CommonUtil {
+
+    public static boolean isEmpty(String str) {
+        if (null == str || "".equals(str.trim())) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}