com.aliyun.openservices.ons.api.impl.util.NameAddrUtils Maven / Gradle / Ivy

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package com.aliyun.openservices.ons.api.impl.util;

import java.util.regex.Pattern;

import com.aliyun.openservices.shade.com.alibaba.rocketmq.common.MixAll;

import com.aliyun.openservices.shade.org.apache.commons.lang3.StringUtils;

public class NameAddrUtils {
    public static final String INSTANCE_PREFIX = "MQ_INST_";
    public static final String INSTANCE_REGEX = INSTANCE_PREFIX + "\\w+_\\w+";
    public static final String ENDPOINT_PREFIX = "http://";
    public static final Pattern NAMESRV_ENDPOINT_PATTERN = Pattern.compile("^" + ENDPOINT_PREFIX + ".*");
    public static final Pattern INST_ENDPOINT_PATTERN = Pattern.compile("^" + ENDPOINT_PREFIX + INSTANCE_REGEX + "\\..*");

    public static String getNameAdd() {
        return System.getProperty(MixAll.NAMESRV_ADDR_PROPERTY, System.getenv(MixAll.NAMESRV_ADDR_ENV));
    }

    public static boolean validateInstanceEndpoint(String endpoint) {
        return INST_ENDPOINT_PATTERN.matcher(endpoint).matches();
    }

    public static String parseInstanceIdFromEndpoint(String endpoint) {
        if (StringUtils.isEmpty(endpoint)) {
            return null;
        }
        return endpoint.substring(ENDPOINT_PREFIX.length(), endpoint.indexOf('.'));
    }
}