/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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.
*/
package org.keycloak.common.util;
import java.util.Properties;
/**
* @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
*/
public class SystemEnvProperties extends Properties {
@Override
public String getProperty(String key) {
if (key.startsWith("env.")) {
return System.getenv().get(key.substring(4));
} else {
return System.getProperty(key);
}
}
@Override
public String getProperty(String key, String defaultValue) {
String value = getProperty(key);
return value != null ? value : defaultValue;
}
}