Package com.alibaba.dubbo.common

Examples of com.alibaba.dubbo.common.URL

Some strange example below:

@author william.liangf @author ding.lid @see java.net.URL @see java.net.URI
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                    originInvoker = ((InvokerDelegete<?>)invoker).getInvoker();
                }else {
                    originInvoker = invoker;
                }
               
                URL originUrl = RegistryProtocol.this.getProviderUrl(originInvoker);
                URL newUrl = getNewInvokerUrl(originUrl, urls);
               
                if (! originUrl.toFullString().equals(newUrl.toFullString())){
                    RegistryProtocol.this.doChangeLocolExport(originInvoker, newUrl);
                }
            }
        }
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                }
            }
        }
       
        private URL getNewInvokerUrl(final URL originUrl, final List<URL> urls){
            URL newUrl = originUrl;
            //override://0.0.0.0/?timeout=10 ip:port无意义
            for (URL overrideUrl : urls){
                if (overrideUrl.getServiceInterface() == null){
                    newUrl = newUrl.addParameters(overrideUrl.getParameters());
                }
            }
            //override://0.0.0.0/serviceName?timeout=10
            for (URL overrideUrl : urls){
                if (originUrl.getServiceKey().equals(overrideUrl.getServiceKey())){
                    newUrl = newUrl.addParameters(overrideUrl.getParameters());
                }
            }
           
            return newUrl;
        }
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            if (! ExtensionLoader.getExtensionLoader(Protocol.class).hasExtension(providerUrl.getProtocol())) {
                logger.error(new IllegalStateException("Unsupported protocol " + providerUrl.getProtocol() + " in notified url: " + providerUrl + " from registry " + getUrl().getAddress() + " to consumer " + NetUtils.getLocalHost()
                        + ", supported protocol: "+ExtensionLoader.getExtensionLoader(Protocol.class).getSupportedExtensions()));
                continue;
            }
            URL url = mergeUrl(providerUrl);
           
            String key = url.toFullString(); // URL参数是排序的
            if (keys.contains(key)) { // 重复URL
                continue;
            }
            keys.add(key);
            // 缓存key为没有合并消费端参数的URL，不管消费端如何合并参数，如果服务端URL发生变化，则重新refer
            Map<String, Invoker<T>> localUrlInvokerMap = this.urlInvokerMap; // local reference
            Invoker<T> invoker = localUrlInvokerMap == null ? null : localUrlInvokerMap.get(key);
            if (invoker == null) { // 缓存中没有，重新refer
                try {
                  boolean enabled = true;
                  if (url.hasParameter(Constants.DISABLED_KEY)) {
                    enabled = ! url.getParameter(Constants.DISABLED_KEY, false);
                  } else {
                    enabled = url.getParameter(Constants.ENABLED_KEY, true);
                  }
                  if (enabled) {
                    invoker = new InvokerDelegete<T>(protocol.refer(serviceType, url), url, providerUrl);
                  }
                } catch (Throwable t) {
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            return;
        }
        // unsubscribe.
        try {
            if(registry != null && registry.isAvailable()) {
                registry.unsubscribe(new URL(Constants.SUBSCRIBE_PROTOCOL, NetUtils.getLocalHost(), 0, RegistryService.class.getName(), getUrl().getParameters()), this);
            }
        } catch (Throwable t) {
            logger.warn("unexpeced error when unsubscribe service " + serviceKey + "from registry" + registry.getUrl(), t);
        }
        super.destroy(); // 必须在unsubscribe之后执行
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        // on these conditions: clear all current routers
        // 1. there is only one route url
        // 2. with type = clear
        if(urls.size() == 1){
           URL u = urls.get(0);
           // clean current routers
           if(RpcConstants.ROUTER_TYPE_CLEAR.equals(u.getParameter(RpcConstants.ROUTER_KEY))){
               return routers;
           }
        }
       
        if (urls != null && urls.size() > 0) {
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            // 导出服务
            String contextPath = protocolConfig.getContextpath();
            if ((contextPath == null || contextPath.length() == 0) && provider != null) {
                contextPath = provider.getContextpath();
            }
            URL url = new URL(name, host, port, (contextPath == null || contextPath.length() == 0 ? "" : contextPath + "/") + path, map);
            if (logger.isInfoEnabled()) {
                logger.info("Export dubbo service " + interfaceClass.getName() + " to url " + url);
            }
            if (registryURLs != null && registryURLs.size() > 0
                    && url.getParameter("register", true)) {
                for (URL registryURL : registryURLs) {
                    URL monitorUrl = loadMonitor(registryURL);
                    if (monitorUrl != null) {
                        url = url.addParameterAndEncoded(Constants.MONITOR_KEY, monitorUrl.toFullString());
                    }
                    String providerURL = url.toFullString();
                    if (logger.isInfoEnabled()) {
                        logger.info("Register dubbo service " + interfaceClass.getName() + " url " + providerURL + " to registry " + registryURL);
                    }
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        }
    }
   
  @SuppressWarnings({ "unchecked", "rawtypes", "deprecation" })
  private T createProxy(Map<String, String> map) {
    URL tmpUrl = new URL("temp", "localhost", 0, map);
    final boolean isJvmRefer;
        if (isInjvm() == null) {
            if (url != null && url.length() > 0) { //指定URL的情况下，不做本地引用
                isJvmRefer = false;
            } else if (InjvmProtocol.getInjvmProtocol().isInjvmRefer(tmpUrl)) {
                //默认情况下如果本地有服务暴露，则引用本地服务.
                isJvmRefer = true;
            } else {
                isJvmRefer = false;
            }
        } else {
            isJvmRefer = isInjvm().booleanValue();
        }
   
    if (isJvmRefer) {
      URL url = new URL(Constants.LOCAL_PROTOCOL, NetUtils.LOCALHOST, 0, interfaceClass.getName()).addParameters(map);
      invoker = refprotocol.refer(interfaceClass, url);
            if (logger.isInfoEnabled()) {
                logger.info("Using injvm service " + interfaceClass.getName());
            }
    } else {
            if (url != null && url.length() > 0) { // 用户指定URL，指定的URL可能是对点对直连地址，也可能是注册中心URL
                String[] us = Constants.SEMICOLON_SPLIT_PATTERN.split(url);
                if (us != null && us.length > 0) {
                    for (String u : us) {
                        URL url = URL.valueOf(u);
                        if (url.getPath() == null || url.getPath().length() == 0) {
                            url = url.setPath(interfaceName);
                        }
                        if (Constants.REGISTRY_PROTOCOL.equals(url.getProtocol())) {
                            urls.add(url.addParameterAndEncoded(Constants.REFER_KEY, StringUtils.toQueryString(map)));
                        } else {
                            urls.add(ClusterUtils.mergeUrl(url, map));
                        }
                    }
                }
            } else { // 通过注册中心配置拼装URL
              List<URL> us = loadRegistries(false);
              if (us != null && us.size() > 0) {
                  for (URL u : us) {
                      URL monitorUrl = loadMonitor(u);
                        if (monitorUrl != null) {
                            map.put(Constants.MONITOR_KEY, URL.encode(monitorUrl.toFullString()));
                        }
                      urls.add(u.addParameterAndEncoded(Constants.REFER_KEY, StringUtils.toQueryString(map)));
                    }
              }
              if (urls == null || urls.size() == 0) {
                    throw new IllegalStateException("No such any registry to reference " + interfaceName  + " on the consumer " + NetUtils.getLocalHost() + " use dubbo version " + Version.getVersion() + ", please config <dubbo:registry address=\"...\" /> to your spring config.");
                }
            }

            if (urls.size() == 1) {
                invoker = refprotocol.refer(interfaceClass, urls.get(0));
            } else {
                List<Invoker<?>> invokers = new ArrayList<Invoker<?>>();
                URL registryURL = null;
                for (URL url : urls) {
                    invokers.add(refprotocol.refer(interfaceClass, url));
                    if (Constants.REGISTRY_PROTOCOL.equals(url.getProtocol())) {
                        registryURL = url; // 用了最后一个registry url
                    }
                }
                if (registryURL != null) { // 有 注册中心协议的URL
                    // 对有注册中心的Cluster 只用 AvailableCluster
                    URL u = registryURL.addParameter(Constants.CLUSTER_KEY, AvailableCluster.NAME);
                    invoker = cluster.join(new StaticDirectory(u, invokers));
                }  else { // 不是 注册中心的URL
                    invoker = cluster.join(new StaticDirectory(invokers));
                }
            }
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            long maxOutput = numbers[7];
            long maxElapsed = numbers[8];
            long maxConcurrent = numbers[9];
            
            // 发送汇总信息
            URL url = statistics.getUrl()
                    .addParameters(MonitorService.TIMESTAMP, timestamp,
                            MonitorService.SUCCESS, String.valueOf(success),
                            MonitorService.FAILURE, String.valueOf(failure),
                            MonitorService.INPUT, String.valueOf(input),
                            MonitorService.OUTPUT, String.valueOf(output),
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    private void receive(String msg, InetSocketAddress remoteAddress) {
        if (logger.isInfoEnabled()) {
            logger.info("Receive multicast message: " + msg + " from " + remoteAddress);
        }
        if (msg.startsWith(REGISTER)) {
            URL url = URL.valueOf(msg.substring(REGISTER.length()).trim());
            registered(url);
        } else if (msg.startsWith(UNREGISTER)) {
            URL url = URL.valueOf(msg.substring(UNREGISTER.length()).trim());
            unregistered(url);
        } else if (msg.startsWith(SUBSCRIBE)) {
            URL url = URL.valueOf(msg.substring(SUBSCRIBE.length()).trim());
            List<URL> urls = lookup(url);
            if (urls != null && urls.size() > 0) {
                for (URL u : urls) {
                    String host = remoteAddress != null && remoteAddress.getAddress() != null
                            ? remoteAddress.getAddress().getHostAddress() : url.getIp();
                    if (url.getParameter("unicast", true) // 消费者的机器是否只有一个进程
                            && ! NetUtils.getLocalHost().equals(host)) { // 同机器多进程不能用unicast单播信息，否则只会有一个进程收到信息
                        unicast(REGISTER + " " + u.toFullString(), host);
                    } else {
                        broadcast(REGISTER + " " + u.toFullString());
                    }
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    }

    protected void registered(URL url) {
        for (Map.Entry<String, Set<NotifyListener>> entry : getSubscribed().entrySet()) {
            String key = entry.getKey();
            URL subscribe = URL.valueOf(key);
            if (UrlUtils.isMatch(subscribe, url)) {
                Set<String> urls = notified.get(key);
                if (urls == null) {
                    notified.putIfAbsent(key, new ConcurrentHashSet<String>());
                    urls = notified.get(key);
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Related Classes of com.alibaba.dubbo.common.URL

  • com.alibaba.dubbo.common.extensionloader.ExtensionLoader_Adaptive_Test
  • com.alibaba.dubbo.common.extensionloader.ExtensionLoaderTest
  • com.alibaba.dubbo.common.utils.NetUtils
  • com.alibaba.dubbo.common.utils.UrlUtils
  • com.alibaba.dubbo.common.utils.UrlUtilsTest
  • com.alibaba.dubbo.config.ReferenceConfig
  • com.alibaba.dubbo.config.ServiceConfig
  • com.alibaba.dubbo.config.spring.ConfigTest
  • com.alibaba.dubbo.config.spring.SimpleRegistryService
  • com.alibaba.dubbo.governance.service.impl.ConsumerServiceImpl
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