Java tutorial
/** * 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.storm.command; import org.apache.commons.lang.ArrayUtils; import org.apache.storm.StormSubmitter; import org.apache.storm.generated.NimbusSummary; import org.apache.storm.utils.ConfigUtils; import org.apache.storm.utils.NimbusClient; import org.apache.storm.utils.ServerUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.Arrays; import java.util.Map; public class ShellSubmission { private static final Logger LOG = LoggerFactory.getLogger(ShellSubmission.class); public static void main(String[] args) throws Exception { if (args.length <= 1) { LOG.error("Arguments should be of the form: <path_to_jar> [argument...]"); System.exit(-1); } Map<String, Object> conf = ConfigUtils.readStormConfig(); try (NimbusClient client = NimbusClient.getConfiguredClient(conf)) { NimbusSummary ns = client.getClient().getLeader(); String host = ns.get_host(); int port = ns.get_port(); String jarPath = StormSubmitter.submitJar(conf, args[0]); String[] newArgs = (String[]) ArrayUtils.addAll(Arrays.copyOfRange(args, 1, args.length), new String[] { host, String.valueOf(port), jarPath }); ServerUtils.execCommand(newArgs); } } }