1 /*============LICENSE_START=======================================================
2 * oom-truststore-merger
3 * ================================================================================
4 * Copyright (C) 2020 Nokia. All rights reserved.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 * ============LICENSE_END=========================================================
20 package org.onap.oom.truststoremerger.configuration.path.env;
22 import java.util.Optional;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 public class EnvReader {
28 private static final Logger LOGGER = LoggerFactory.getLogger(EnvReader.class);
30 public Optional<String> getEnv(String name) {
31 return getSystemEnv(name);
34 Optional<String> getSystemEnv(String name) {
35 String value = System.getenv(name);
36 LOGGER.info("Read variable: {} , value: {}", name, value);
37 return Optional.ofNullable(value);