001/**
002 * Copyright (C) 2006-2020 Talend Inc. - www.talend.com
003 *
004 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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.talend.sdk.component.server.configuration;
017
018import java.util.Properties;
019
020import org.apache.meecrowave.Meecrowave;
021import org.apache.meecrowave.configuration.Configuration;
022
023public class PropertiesSetup implements Meecrowave.ConfigurationCustomizer {
024
025    @Override
026    public void accept(final Configuration configuration) {
027        configuration.loadFromProperties(System.getProperties());
028        if (configuration.getProperties() == null) {
029            configuration.setProperties(new Properties());
030        }
031        configuration.getProperties().putAll(System.getProperties());
032        configuration
033                .getProperties()
034                .stringPropertyNames()
035                .stream()
036                .filter(k -> System.getProperty(k) == null)
037                .forEach(k -> System.setProperty(k, configuration.getProperties().getProperty(k)));
038    }
039}