org.apache.dubbo.common.utils.UrlUtils#isMatch

public static boolean isMatch(URL consumerUrl, URL providerUrl) {
    // consumerUrl.getParameter("interface", path); // 优先取参数的值，取不到使用path的值作为默认值
    String consumerInterface = consumerUrl.getServiceInterface();
    String providerInterface = providerUrl.getServiceInterface();

    /*
        接口不匹配
     */
    //FIXME accept providerUrl with '*' as interface name, after carefully thought about all possible scenarios I think it's ok to add this condition.
    if (!(ANY_VALUE.equals(consumerInterface)
            || ANY_VALUE.equals(providerInterface)
            || StringUtils.isEquals(consumerInterface, providerInterface))) {
        return false;
    }

    /*
        分类不匹配
     */
    if (!isMatchCategory(providerUrl.getParameter(CATEGORY_KEY, DEFAULT_CATEGORY),
            consumerUrl.getParameter(CATEGORY_KEY, DEFAULT_CATEGORY))) {
        return false;
    }

    /*
         服务端未启用
     */
    if (!providerUrl.getParameter(ENABLED_KEY, true)
            && !ANY_VALUE.equals(consumerUrl.getParameter(ENABLED_KEY))) {
        return false;
    }

    /*
        group、version、classifier 匹配
     */
    String consumerGroup = consumerUrl.getParameter(GROUP_KEY);
    String consumerVersion = consumerUrl.getParameter(VERSION_KEY);
    String consumerClassifier = consumerUrl.getParameter(CLASSIFIER_KEY, ANY_VALUE);

    String providerGroup = providerUrl.getParameter(GROUP_KEY);
    String providerVersion = providerUrl.getParameter(VERSION_KEY);
    String providerClassifier = providerUrl.getParameter(CLASSIFIER_KEY, ANY_VALUE);
    return (ANY_VALUE.equals(consumerGroup) || StringUtils.isEquals(consumerGroup, providerGroup) || StringUtils.isContains(consumerGroup, providerGroup))
            && (ANY_VALUE.equals(consumerVersion) || StringUtils.isEquals(consumerVersion, providerVersion))
            && (consumerClassifier == null || ANY_VALUE.equals(consumerClassifier) || StringUtils.isEquals(consumerClassifier, providerClassifier));
}