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/*
* ============LICENSE_START=======================================================
* aaf-certservice-client
* ================================================================================
* Copyright (C) 2020 Nokia. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aaf.certservice.client.configuration;
import java.util.Optional;
public class EnvProvider {
public Optional<String> readEnvVariable(String envVariableName) {
return Optional.ofNullable(getSystemEnv(envVariableName))
.filter(EnvProvider::isEnvPresent);
}
String getSystemEnv(String envVariableName) {
return System.getenv(envVariableName);
}
private static Boolean isEnvPresent(String envValue) {
return !"".equals(envValue);
}
}
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