Use StringUtils.isNotBlank

Author: vishesh92

server/src/main/java/com/cloud/consoleproxy/ConsoleProxyManagerImpl.java

@@ -1271,7 +1271,7 @@ public boolean finalizeVirtualMachineProfile(VirtualMachineProfile profile, Depl
 
         if (SystemVmEnableUserData.valueIn(dc.getId())) {
             String userData = ConsoleProxyUserData.valueIn(dc.getId());
-            if (userData != null && !userData.trim().isEmpty()) {
+            if (StringUtils.isNotBlank(userData)) {
                 String encodedUserData = Base64.getEncoder().encodeToString(userData.getBytes());
                 buf.append(" userdata=").append(encodedUserData);
             }

server/src/main/java/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java

@@ -2153,7 +2153,7 @@ public boolean finalizeVirtualMachineProfile(final VirtualMachineProfile profile
 
         if (SystemVmEnableUserData.valueIn(router.getDataCenterId())) {
             String userData = RouterUserData.valueIn(router.getDataCenterId());
-            if (userData != null && !userData.trim().isEmpty()) {
+            if (StringUtils.isNotBlank(userData)) {
                 String encodedUserData = Base64.getEncoder().encodeToString(userData.getBytes());
                 buf.append(" userdata=").append(encodedUserData);
             }

services/secondary-storage/controller/src/main/java/org/apache/cloudstack/secondarystorage/SecondaryStorageManagerImpl.java

@@ -1232,7 +1232,7 @@ public boolean finalizeVirtualMachineProfile(VirtualMachineProfile profile, Depl
 
         if (SystemVmEnableUserData.valueIn(dc.getId())) {
             String userData = SecondaryStorageUserData.valueIn(dc.getId());
-            if (userData != null && !userData.trim().isEmpty()) {
+            if (StringUtils.isNotBlank(userData)) {
                 String encodedUserData = Base64.getEncoder().encodeToString(userData.getBytes());
                 buf.append(" userdata=").append(encodedUserData);
             }