com.alibaba.tmq.common.util.DiamondUtil Maven / Gradle / Ivy

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package com.alibaba.tmq.common.util;

import com.taobao.diamond.client.Diamond;
import com.taobao.diamond.manager.ManagerListenerAdapter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.IOException;
import java.util.*;

/**
 * diamond
 *
 * @author 陆昆
 * @create 2018-07-26 下午10:29
 **/
public class DiamondUtil {
    private static final Log logger = LogFactory.getLog(DiamondUtil.class);

    public static Properties properties = new Properties();

    private static final String DEFAULT_GROUP = "DEFAULT_GROUP";

    public static void addListener(final String key) {
        try {
            String value = Diamond.getConfig(key, DEFAULT_GROUP, 400);
            properties.setProperty(key, value);
            logger.info("init key: " + key + " val: " + value);
            Diamond.addListener(key, DEFAULT_GROUP,
                new ManagerListenerAdapter() {
                    public void receiveConfigInfo(String configInfo) {
                        logger.warn("diamond config update, dataId=" + key + ", newValue=" + configInfo);
                        properties.setProperty(key, configInfo);
                    }
                });
        } catch (IOException e) {
            logger.error("[DiamondUtil]addListener error", e);
        }
    }

    public static boolean getBooleanVal(String key) {
        boolean result = false;
        try {
            result = Boolean.parseBoolean(properties.getProperty(key, "false"));
        } catch (Exception e) {
            logger.error("[DiamondUtil]getBooleanVal error, key: " + key, e);
        }
        return result;
    }
    
    public static String getStringVal(String key) {
        String result = null;
        try {
            result = properties.getProperty(key);
        } catch (Exception e) {
            logger.error("[DiamondUtil]getBooleanVal error, key: " + key, e);
        }
        return result;
    }
}