| /* |
| * 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.qos.legacy; |
| |
| import org.apache.dubbo.common.extension.Activate; |
| import org.apache.dubbo.common.utils.ReflectUtils; |
| import org.apache.dubbo.common.utils.StringUtils; |
| import org.apache.dubbo.qos.command.util.ServiceCheckUtils; |
| import org.apache.dubbo.remoting.Channel; |
| import org.apache.dubbo.remoting.telnet.TelnetHandler; |
| import org.apache.dubbo.remoting.telnet.support.Help; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| import org.apache.dubbo.rpc.model.ConsumerModel; |
| import org.apache.dubbo.rpc.model.MethodDescriptor; |
| import org.apache.dubbo.rpc.model.ProviderModel; |
| import org.apache.dubbo.rpc.model.ServiceRepository; |
| |
| import java.lang.reflect.Method; |
| import java.util.List; |
| |
| /** |
| * ListTelnetHandler handler list services and its methods details. |
| */ |
| @Activate |
| @Help(parameter = "[-l] [service]", summary = "List services and methods.", detail = "List services and methods.") |
| public class ListTelnetHandler implements TelnetHandler { |
| |
| private ServiceRepository serviceRepository = ApplicationModel.getServiceRepository(); |
| |
| @Override |
| public String telnet(Channel channel, String message) { |
| StringBuilder buf = new StringBuilder(); |
| String service = null; |
| boolean detail = false; |
| if (message.length() > 0) { |
| String[] parts = message.split("\\s+"); |
| for (String part : parts) { |
| if ("-l".equals(part)) { |
| detail = true; |
| } else { |
| if (!StringUtils.isEmpty(service)) { |
| return "Invalid parameter " + part; |
| } |
| service = part; |
| } |
| } |
| } else { |
| service = (String) channel.getAttribute(ChangeTelnetHandler.SERVICE_KEY); |
| if (StringUtils.isNotEmpty(service)) { |
| buf.append("Use default service ").append(service).append(".\r\n"); |
| } |
| } |
| |
| if (StringUtils.isEmpty(service)) { |
| printAllServices(buf, detail); |
| } else { |
| printSpecifiedService(service, buf, detail); |
| |
| if (buf.length() == 0) { |
| buf.append("No such service: ").append(service); |
| } |
| } |
| return buf.toString(); |
| } |
| |
| private void printAllServices(StringBuilder buf, boolean detail) { |
| printAllProvidedServices(buf, detail); |
| printAllReferredServices(buf, detail); |
| } |
| |
| private void printAllProvidedServices(StringBuilder buf, boolean detail) { |
| List<ProviderModel> providerModels = serviceRepository.getExportedServices(); |
| if (!providerModels.isEmpty()) { |
| buf.append("PROVIDER:\r\n"); |
| } |
| |
| for (ProviderModel provider : providerModels) { |
| buf.append(provider.getServiceKey()); |
| if (detail) { |
| buf.append(" -> "); |
| buf.append(" published: "); |
| buf.append(ServiceCheckUtils.isRegistered(provider) ? "Y" : "N"); |
| } |
| buf.append("\r\n"); |
| } |
| } |
| |
| private void printAllReferredServices(StringBuilder buf, boolean detail) { |
| List<ConsumerModel> consumerModels = serviceRepository.getReferredServices(); |
| if (!consumerModels.isEmpty()) { |
| buf.append("CONSUMER:\r\n"); |
| } |
| |
| for (ConsumerModel consumer : consumerModels) { |
| buf.append(consumer.getServiceKey()); |
| if (detail) { |
| buf.append(" -> "); |
| buf.append(" addresses: "); |
| buf.append(ServiceCheckUtils.getConsumerAddressNum(consumer)); |
| } |
| } |
| } |
| |
| private void printSpecifiedService(String service, StringBuilder buf, boolean detail) { |
| printSpecifiedProvidedService(service, buf, detail); |
| printSpecifiedReferredService(service, buf, detail); |
| } |
| |
| private void printSpecifiedProvidedService(String service, StringBuilder buf, boolean detail) { |
| for (ProviderModel provider : ApplicationModel.allProviderModels()) { |
| if (isProviderMatched(service,provider)) { |
| buf.append(provider.getServiceKey()).append(" (as provider):\r\n"); |
| for (MethodDescriptor method : provider.getAllMethods()) { |
| printMethod(method.getMethod(), buf, detail); |
| } |
| } |
| } |
| } |
| |
| private void printSpecifiedReferredService(String service, StringBuilder buf, boolean detail) { |
| for (ConsumerModel consumer : ApplicationModel.allConsumerModels()) { |
| if (isConsumerMatcher(service,consumer)) { |
| buf.append(consumer.getServiceKey()).append(" (as consumer):\r\n"); |
| for (MethodDescriptor method : consumer.getAllMethods()) { |
| printMethod(method.getMethod(), buf, detail); |
| } |
| } |
| } |
| } |
| |
| private void printMethod(Method method, StringBuilder buf, boolean detail) { |
| if (detail) { |
| buf.append('\t').append(ReflectUtils.getName(method)); |
| } else { |
| buf.append('\t').append(method.getName()); |
| } |
| buf.append("\r\n"); |
| } |
| |
| private boolean isProviderMatched(String service, ProviderModel provider) { |
| return service.equalsIgnoreCase(provider.getServiceKey()) |
| || service.equalsIgnoreCase(provider.getServiceInterfaceClass().getName()) |
| || service.equalsIgnoreCase(provider.getServiceInterfaceClass().getSimpleName()); |
| } |
| |
| private boolean isConsumerMatcher(String service,ConsumerModel consumer) { |
| return service.equalsIgnoreCase(consumer.getServiceKey()) |
| || service.equalsIgnoreCase(consumer.getServiceInterfaceClass().getName()) |
| || service.equalsIgnoreCase(consumer.getServiceInterfaceClass().getSimpleName()); |
| } |
| } |