# Copyright (c) 2026 Guy's and St Thomas' NHS Foundation Trust & King's College London
# 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.
#
"""Utility functions for FLIP."""
from uuid import UUID
[docs]
class Utils:
"""Utility class with static helper methods."""
@staticmethod
[docs]
def is_valid_uuid(val) -> bool:
"""
Check if a value is a valid UUID.
Args:
val: Value to check (will be converted to string)
Returns:
bool: True if valid UUID, False otherwise
"""
try:
UUID(str(val))
return True
except ValueError:
return False
@staticmethod
[docs]
def is_string_empty(val: str) -> bool:
"""
Check if a string is empty or contains only whitespace.
Args:
val: String to check
Returns:
bool: True if empty or whitespace-only, False otherwise
"""
return val.strip() == ""