1 files changed, 52 insertions, 0 deletions
diff --git a/wfenginemgrservice/src/main/java/org/onap/workflow/activitiext/common/ToolUtil.java b/wfenginemgrservice/src/main/java/org/onap/workflow/activitiext/common/ToolUtil.java
new file mode 100644
index 0000000..fe573e2
--- /dev/null
+++ b/wfenginemgrservice/src/main/java/org/onap/workflow/activitiext/common/ToolUtil.java
@@ -0,0 +1,52 @@
+/**
+ * Copyright 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.workflow.activitiext.common;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+
+public class ToolUtil {
+  private static final Logger logger = LoggerFactory.getLogger(ToolUtil.class);
+  public static boolean isEmptyString(String val) {
+    return ((val == null || "".equals(val)) ? true : false);
+  }
+
+  public static boolean isTrimedEmptyString(String val) {
+    return ((val == null || "".equals(val.trim())) ? true : false);
+  }
+
+  public static boolean isTrimedEmptyArray(String[] val) {
+    return ((val == null || val.length == 0) ? true : false);
+  }
+  
+  /**
+   * @param ins
+   */
+  public static void closeInputStream(InputStream ins) {
+    if (ins != null) {
+      try {
+        ins.close();
+      } catch (IOException e) {
+        logger.info("Close InputStream failed.", e);
+      }
+    }
+  }
+}