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annotate truffle/com.oracle.truffle.tck/src/com/oracle/truffle/tck/TruffleJUnitCore.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 329fe954f6f2
children
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1 /*
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2 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation. Oracle designates this
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.tck;
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26
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27 import java.io.BufferedReader;
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28 import java.io.File;
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29 import java.io.FileReader;
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30 import java.io.IOException;
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31 import java.lang.reflect.Modifier;
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32 import java.nio.charset.Charset;
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33 import java.nio.file.Files;
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34 import java.util.ArrayList;
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35 import java.util.List;
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36 import junit.runner.Version;
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37 import org.junit.internal.JUnitSystem;
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38 import org.junit.internal.RealSystem;
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39 import org.junit.runner.Description;
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40 import org.junit.runner.JUnitCore;
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41 import org.junit.runner.Request;
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42 import org.junit.runner.Result;
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43 import org.junit.runner.Runner;
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44 import org.junit.runner.notification.Failure;
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45 import org.junit.runners.ParentRunner;
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46 import org.junit.runners.model.RunnerScheduler;
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47
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48 final class TruffleJUnitCore {
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49
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50 /**
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51 * Run the tests contained in the classes named in the <code>args</code>. A single test method
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52 * can be specified by adding #method after the class name. Only a single test can be run in
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53 * this way. If all tests run successfully, exit with a status of 0. Otherwise exit with a
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54 * status of 1. Write feedback while tests are running and write stack traces for all failed
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55 * tests after the tests all complete.
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56 *
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57 * @param args names of classes in which to find tests to run
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58 */
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59 public static void main(String... args) {
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60 JUnitSystem system = new RealSystem();
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61 JUnitCore junitCore = new JUnitCore();
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62 system.out().println("TruffleJUnitCore");
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63 system.out().println("JUnit version " + Version.id());
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64 List<Class<?>> classes = new ArrayList<>();
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65 String methodName = null;
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66 List<Failure> missingClasses = new ArrayList<>();
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67 boolean verbose = false;
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68 boolean enableTiming = false;
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69 boolean failFast = false;
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70 boolean eagerStackTrace = false;
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71 boolean gcAfterTest = false;
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72
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73 String[] expandedArgs = expandArgs(args);
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74 for (int i = 0; i < expandedArgs.length; i++) {
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75 String each = expandedArgs[i];
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76 if (each.charAt(0) == '-') {
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77 // command line arguments
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78 if (each.contentEquals("-JUnitVerbose")) {
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79 verbose = true;
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80 } else if (each.contentEquals("-JUnitFailFast")) {
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81 failFast = true;
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82 } else if (each.contentEquals("-JUnitEnableTiming")) {
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83 enableTiming = true;
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84 } else if (each.contentEquals("-JUnitEagerStackTrace")) {
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85 eagerStackTrace = true;
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86 } else if (each.contentEquals("-JUnitGCAfterTest")) {
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87 gcAfterTest = true;
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88 } else {
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89 system.out().println("Unknown command line argument: " + each);
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90 }
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91
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92 } else {
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93 /*
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94 * Entries of the form class#method are handled specially. Only one can be specified
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95 * on the command line as there's no obvious way to build a runner for multiple
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96 * ones.
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97 */
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98 if (methodName != null) {
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99 system.out().println("Only a single class and method can be specified: " + each);
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100 System.exit(1);
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101 } else if (each.contains("#")) {
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102 String[] pair = each.split("#");
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103 if (pair.length != 2) {
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104 system.out().println("Malformed class and method request: " + each);
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105 System.exit(1);
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106 } else if (classes.size() != 0) {
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107 system.out().println("Only a single class and method can be specified: " + each);
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108 System.exit(1);
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109 } else {
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110 methodName = pair[1];
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111 each = pair[0];
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112 }
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113 }
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114 try {
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115 Class<?> cls = Class.forName(each, false, TruffleJUnitCore.class.getClassLoader());
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116 if ((cls.getModifiers() & Modifier.ABSTRACT) == 0) {
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117 classes.add(cls);
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118 }
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119 } catch (ClassNotFoundException e) {
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120 system.out().println("Could not find class: " + each);
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121 Description description = Description.createSuiteDescription(each);
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122 Failure failure = new Failure(description, e);
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123 missingClasses.add(failure);
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124 }
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125 }
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126 }
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127 final TruffleTextListener textListener;
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128 if (!verbose) {
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129 textListener = new TruffleTextListener(system);
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130 } else {
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131 textListener = new TruffleVerboseTextListener(system);
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132 }
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133 TruffleJUnitRunListener listener = textListener;
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134 if (enableTiming) {
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135 listener = new TimingDecorator(listener);
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136 }
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137 if (eagerStackTrace) {
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138 listener = new EagerStackTraceDecorator(listener);
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139 }
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140 if (gcAfterTest) {
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141 listener = new GCAfterTestDecorator(listener);
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142 }
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143 junitCore.addListener(TruffleTextListener.createRunListener(listener));
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144 Request request;
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145 if (methodName == null) {
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146 request = Request.classes(classes.toArray(new Class<?>[0]));
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147 if (failFast) {
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148 Runner runner = request.getRunner();
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149 if (runner instanceof ParentRunner) {
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150 ParentRunner<?> parentRunner = (ParentRunner<?>) runner;
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151 parentRunner.setScheduler(new RunnerScheduler() {
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152 public void schedule(Runnable childStatement) {
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153 if (textListener.getLastFailure() == null) {
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154 childStatement.run();
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155 }
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156 }
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157
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158 public void finished() {
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159 }
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160 });
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161 } else {
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162 system.out().println("Unexpected Runner subclass " + runner.getClass().getName() + " - fail fast not supported");
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163 }
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164 }
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165 } else {
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166 if (failFast) {
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167 system.out().println("Single method selected - fail fast not supported");
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168 }
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169 request = Request.method(classes.get(0), methodName);
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170 }
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171 Result result = junitCore.run(request);
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172 for (Failure each : missingClasses) {
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173 result.getFailures().add(each);
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174 }
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175 System.exit(result.wasSuccessful() ? 0 : 1);
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176 }
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177
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178 /**
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179 * Gets the command line for the current process.
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180 *
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181 * @return the command line arguments for the current process or {@code null} if they are not
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182 * available
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183 */
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184 public static List<String> getProcessCommandLine() {
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185 String processArgsFile = System.getenv().get("MX_SUBPROCESS_COMMAND_FILE");
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186 if (processArgsFile != null) {
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187 try {
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188 return Files.readAllLines(new File(processArgsFile).toPath(), Charset.forName("UTF-8"));
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189 } catch (IOException e) {
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190 }
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191 }
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192 return null;
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193 }
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194
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195 /**
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196 * Expand any arguments starting with @ and return the resulting argument array.
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197 *
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198 * @param args
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199 * @return the expanded argument array
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200 */
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201 private static String[] expandArgs(String[] args) {
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202 List<String> result = null;
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203 for (int i = 0; i < args.length; i++) {
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204 String arg = args[i];
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205 if (arg.length() > 0 && arg.charAt(0) == '@') {
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206 if (result == null) {
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207 result = new ArrayList<>();
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208 for (int j = 0; j < i; j++) {
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209 result.add(args[j]);
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210 }
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211 expandArg(arg.substring(1), result);
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212 }
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213 } else if (result != null) {
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214 result.add(arg);
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215 }
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216 }
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217 return result != null ? result.toArray(new String[0]) : args;
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218 }
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219
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220 /**
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221 * Add each line from {@code filename} to the list {@code args}.
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222 *
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223 * @param filename
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224 * @param args
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225 */
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226 private static void expandArg(String filename, List<String> args) {
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227 BufferedReader br = null;
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228 try {
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229 br = new BufferedReader(new FileReader(filename));
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230
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231 String buf;
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232 while ((buf = br.readLine()) != null) {
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233 args.add(buf);
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234 }
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235 br.close();
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236 } catch (IOException ioe) {
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237 ioe.printStackTrace();
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238 System.exit(2);
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239 } finally {
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240 try {
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241 if (br != null) {
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242 br.close();
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243 }
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244 } catch (IOException ioe) {
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245 ioe.printStackTrace();
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246 System.exit(3);
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247 }
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248 }
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249 }
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250 }