001/**
002 * Copyright 2010-2014 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.common.util.encrypt.provider;
017
018import static org.kuali.common.util.base.Precondition.checkNotBlank;
019
020public final class EnvironmentVariableEncryptionContextProvider extends AbstractEncryptionContextProvider {
021
022        public EnvironmentVariableEncryptionContextProvider(String passwordKey, String strengthKey) {
023                super(passwordKey, strengthKey);
024        }
025
026        @Override
027        protected String getValueFromSource(String key) {
028                return System.getenv(checkNotBlank(key, "key"));
029        }
030
031}