com.alibaba.antx.config.props.SystemProperties Maven / Gradle / Ivy

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/*
 * Copyright (c) 2002-2012 Alibaba Group Holding Limited.
 * 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.
 */

package com.alibaba.antx.config.props;

import java.util.HashMap;
import java.util.Properties;
import java.util.TreeSet;

import com.alibaba.antx.config.generator.PropertiesLoader;

/**
 * 代表系统属性。
 *
 * @author Michael Zhou
 */
public class SystemProperties extends PropertiesFile {
    public SystemProperties() {
        super(null);
    }

    @Override
    protected void onLoad() {
        Properties sysprops = System.getProperties();

        keys = new TreeSet(sysprops.keySet());
        props = new HashMap();

        PropertiesLoader.mergeProperties(props, sysprops);
    }
}