Java tutorial
/* * Copyright 2017, Google Inc. All rights reserved. * * Licensed 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.google.cloud.trace.v1; import static com.google.cloud.trace.v1.PagedResponseWrappers.ListTracesPagedResponse; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.DefaultParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Option; import org.apache.commons.cli.Options; import org.apache.commons.lang.builder.ReflectionToStringBuilder; @javax.annotation.Generated("by GAPIC") public class TraceServiceSmokeTest { public static void main(String args[]) { Logger.getLogger("").setLevel(Level.WARNING); try { Options options = new Options(); options.addOption("h", "help", false, "show usage"); options.addOption(Option.builder().longOpt("project_id").desc("Project id").hasArg() .argName("PROJECT-ID").required(true).build()); CommandLine cl = (new DefaultParser()).parse(options, args); if (cl.hasOption("help")) { HelpFormatter formater = new HelpFormatter(); formater.printHelp("TraceServiceSmokeTest", options); } executeNoCatch(cl.getOptionValue("project_id")); System.out.println("OK"); } catch (Exception e) { System.err.println("Failed with exception:"); e.printStackTrace(System.err); System.exit(1); } } public static void executeNoCatch(String projectId) throws Exception { try (TraceServiceClient client = TraceServiceClient.create()) { String projectId2 = projectId; ListTracesPagedResponse pagedResponse = client.listTraces(projectId2); System.out.println(ReflectionToStringBuilder.toString(pagedResponse)); } } }