| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.dubbo.rpc.cluster.specifyaddress; |
| |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.common.extension.ExtensionLoader; |
| import org.apache.dubbo.common.url.component.DubboServiceAddressURL; |
| import org.apache.dubbo.common.url.component.PathURLAddress; |
| import org.apache.dubbo.common.url.component.ServiceConfigURL; |
| import org.apache.dubbo.common.url.component.URLParam; |
| import org.apache.dubbo.common.utils.StringUtils; |
| import org.apache.dubbo.registry.client.InstanceAddressURL; |
| import org.apache.dubbo.rpc.Invocation; |
| import org.apache.dubbo.rpc.Invoker; |
| import org.apache.dubbo.rpc.Protocol; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.apache.dubbo.common.constants.CommonConstants.DUBBO; |
| import static org.apache.dubbo.common.constants.CommonConstants.GROUP_KEY; |
| import static org.apache.dubbo.common.constants.CommonConstants.PROTOCOL_KEY; |
| import static org.apache.dubbo.common.constants.CommonConstants.VERSION_KEY; |
| |
| public class DefaultUserSpecifiedServiceAddressBuilder implements UserSpecifiedServiceAddressBuilder { |
| public final static String NAME = "default"; |
| |
| private final ExtensionLoader<Protocol> protocolExtensionLoader; |
| |
| public DefaultUserSpecifiedServiceAddressBuilder(ApplicationModel applicationModel) { |
| this.protocolExtensionLoader = applicationModel.getExtensionLoader(Protocol.class); |
| } |
| |
| @Override |
| public <T> URL buildAddress(List<Invoker<T>> invokers, Address address, Invocation invocation, URL consumerUrl) { |
| |
| boolean useFixed = false; |
| URL template = null; |
| if (!invokers.isEmpty()) { |
| template = invokers.iterator().next().getUrl(); |
| if (template instanceof InstanceAddressURL) { |
| useFixed = true; |
| } else { |
| if (template.getUrlAddress() == null) { |
| PathURLAddress urlAddress = new PathURLAddress(template.getProtocol(), template.getUsername(), template.getPassword(), template.getPath(), address.getIp(), address.getPort()); |
| template = new ServiceConfigURL(urlAddress, template.getUrlParam(), template.getAttributes()); |
| } else { |
| template = template.setHost(address.getIp()); |
| if (address.getPort() != 0) { |
| template = template.setPort(address.getPort()); |
| } |
| } |
| } |
| |
| } else { |
| useFixed = true; |
| } |
| |
| if (useFixed) { |
| String ip = address.getIp(); |
| int port = address.getPort(); |
| String protocol = consumerUrl.getParameter(PROTOCOL_KEY, DUBBO); |
| if (port == 0) { |
| port = protocolExtensionLoader.getExtension(protocol).getDefaultPort(); |
| } |
| template = new DubboServiceAddressURL( |
| new PathURLAddress(protocol, null, null, consumerUrl.getPath(), ip, port), |
| URLParam.parse(""), consumerUrl, null); |
| } |
| |
| return template; |
| } |
| |
| @Override |
| public <T> URL rebuildAddress(List<Invoker<T>> invokers, Address address, Invocation invocation, URL consumerUrl) { |
| URL url = address.getUrlAddress(); |
| Map<String, String> parameters = new HashMap<>(url.getParameters()); |
| parameters.put(VERSION_KEY, consumerUrl.getVersion()); |
| parameters.put(GROUP_KEY, consumerUrl.getGroup()); |
| String protocol = StringUtils.isEmpty(url.getProtocol()) ? consumerUrl.getParameter(PROTOCOL_KEY, DUBBO) : url.getProtocol(); |
| return new DubboServiceAddressURL( |
| new PathURLAddress(protocol, null, null, consumerUrl.getPath(), url.getHost(), url.getPort()), |
| URLParam.parse(parameters), consumerUrl, null); |
| } |
| } |