2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.logging.filter.base;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 public class PropertyUtil {
27 private final Logger logger = LoggerFactory.getLogger(this.getClass());
29 public String getProperty(String property) {
30 logger.info("Checking for system property [{}]", property);
31 String propertyValue = System.getProperty(property);
32 if (propertyValue == null || propertyValue.isEmpty()) {
33 logger.info("System property was null or empty. Checking environment variable for: {}", property);
34 propertyValue = System.getenv(property);
35 if (propertyValue == null || propertyValue.isEmpty()) {
36 logger.info("Environment variable: {} was null or empty. Returning value: {}", property,
37 Constants.DefaultValues.UNKNOWN);
38 propertyValue = Constants.DefaultValues.UNKNOWN;