com.liferay.sync.engine.util.PropsUtil.java Source code

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Here is the source code for com.liferay.sync.engine.util.PropsUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.sync.engine.util;

import org.apache.commons.configuration.CompositeConfiguration;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Shinn Lok
 */
public class PropsUtil {

    public static void addConfiguration(Configuration configuration) {
        _instance._addConfiguration(configuration);
    }

    public static String get(String key) {
        return _instance._get(key);
    }

    public static String[] getArray(String key) {
        return _instance._getArray(key);
    }

    public static void set(String key, String value) {
        _instance._set(key, value);
    }

    private PropsUtil() {
        try {
            Configuration configuration = new PropertiesConfiguration("sync.properties");

            _compositeConfiguration.addConfiguration(configuration);
        } catch (ConfigurationException ce) {
            _logger.error("Unable to initialize", ce);
        }
    }

    private void _addConfiguration(Configuration configuration) {
        _compositeConfiguration.addConfiguration(configuration);
    }

    private String _get(String key) {
        String value = _compositeConfiguration.getString(key);

        if (value == null) {
            return "";
        }

        return value.replace("${user.home}", System.getProperty("user.home"));
    }

    private String[] _getArray(String key) {
        return _compositeConfiguration.getStringArray(key);
    }

    private void _set(String key, String value) {
        _compositeConfiguration.setProperty(key, value);
    }

    private static Logger _logger = LoggerFactory.getLogger(PropsUtil.class);

    private static PropsUtil _instance = new PropsUtil();

    private CompositeConfiguration _compositeConfiguration = new CompositeConfiguration();

}