Replace deprecated StringUtils.isEmpty method with StringUtils.hasLength

[mxsm]

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BUG REPORT

1. Please describe the issue you observed:

The StringUtils.isEmpty of Spring was deprecated

use another method StringUtils.hasLength to replace it

2. Please tell us about your environment:
   branch: master
3. Other information (e.g. detailed explanation, logs, related issues, suggestions how to fix, etc):

FEATURE REQUEST

1. Please describe the feature you are requesting.

2. Provide any additional detail on your proposed use case for this feature.

3. Indicate the importance of this issue to you (blocker, must-have, should-have, nice-to-have). Are you currently using any workarounds to address this issue?