avoid null exception

Change-Id: Idaa55084f5ecb0dd3636c232cebc14fa5f064304
Issue-ID: SO-578
Signed-off-by: Yulian Han <elaine.hanyulian@huawei.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/workflow/serviceTask/client/builder/AbstractBuilder.java b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/workflow/serviceTask/client/builder/AbstractBuilder.java
index de50fe11b5..09561a620e 100644
--- a/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/workflow/serviceTask/client/builder/AbstractBuilder.java
+++ b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/workflow/serviceTask/client/builder/AbstractBuilder.java
@@ -110,7 +110,7 @@ public abstract class AbstractBuilder<IN, OUT> {
      protected String getRequestActoin(DelegateExecution execution) {
           String action = /*RequestInformation.*/RequestAction.CreateNetworkInstance.getName();
           String operType = (String) execution.getVariable(OPERATION_TYPE);
-          String resourceType = ((String) execution.getVariable(RESOURCE_TYPE)).toLowerCase();
+          String resourceType = (String)execution.getVariable(RESOURCE_TYPE);
           if (!StringUtils.isBlank(operType)) {
                if (RequestsDbConstant.OperationType.DELETE.equalsIgnoreCase(operType)) {
                     if (isOverlay(resourceType)) {
@@ -134,17 +134,17 @@ public abstract class AbstractBuilder<IN, OUT> {
      }
 
      private boolean isOverlay(String resourceType) {
-          return !StringUtils.isBlank(resourceType) && resourceType.contains("overlay");
+          return !StringUtils.isBlank(resourceType) && resourceType.toLowerCase().contains("overlay");
      }
 
      private boolean isUnderlay(String resourceType) {
-          return !StringUtils.isBlank(resourceType) && resourceType.contains("underlay");
+          return !StringUtils.isBlank(resourceType) && resourceType.toLowerCase().contains("underlay");
      }
 
      protected String getSvcAction(DelegateExecution execution) {
           String action = /*SdncRequestHeader.*/SvcAction.Create.getName();
           String operType = (String) execution.getVariable(OPERATION_TYPE);
-          String resourceType = ((String) execution.getVariable(RESOURCE_TYPE)).toLowerCase();
+          String resourceType = (String)execution.getVariable(RESOURCE_TYPE);
           if (!StringUtils.isBlank(operType)) {
                if (RequestsDbConstant.OperationType.DELETE.equalsIgnoreCase(operType)) {
                     if (isOverlay(resourceType)) {