/** * 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 com.alibaba.rocketmq.tools.command.topic; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.Option; import org.apache.commons.cli.Options; import com.alibaba.rocketmq.common.protocol.route.TopicRouteData; import com.alibaba.rocketmq.remoting.RPCHook; import com.alibaba.rocketmq.tools.admin.DefaultMQAdminExt; import com.alibaba.rocketmq.tools.command.SubCommand; /** * * @author shijia.wxr */ public class TopicRouteSubCommand implements SubCommand { @Override public String commandName() { return "topicRoute"; } @Override public String commandDesc() { return "Examine topic route info"; } @Override public Options buildCommandlineOptions(Options options) { Option opt = new Option("t", "topic", true, "topic name"); opt.setRequired(true); options.addOption(opt); return options; } @Override public void execute(final CommandLine commandLine, final Options options, RPCHook rpcHook) { DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook); defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis())); try { defaultMQAdminExt.start(); String topic = commandLine.getOptionValue('t').trim(); TopicRouteData topicRouteData = defaultMQAdminExt.examineTopicRouteInfo(topic); String json = topicRouteData.toJson(true); System.out.println(json); } catch (Exception e) { e.printStackTrace(); } finally { defaultMQAdminExt.shutdown(); } } }