1 /* |
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2 * Copyright (c) 2014, 2019, 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. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 import jdk.test.lib.Utils; |
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26 import jdk.test.lib.BuildHelper; |
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27 import jdk.test.lib.JDKToolFinder; |
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28 import jdk.test.lib.Platform; |
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29 import jdk.test.lib.cds.CDSOptions; |
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30 import jdk.test.lib.cds.CDSTestUtils; |
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31 import jdk.test.lib.cds.CDSTestUtils.Result; |
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32 import jdk.test.lib.process.ProcessTools; |
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33 import jdk.test.lib.process.OutputAnalyzer; |
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34 import java.io.File; |
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35 import java.io.FileInputStream; |
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36 import java.io.FileOutputStream; |
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37 import java.io.InputStream; |
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38 import java.net.URI; |
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39 import java.nio.file.DirectoryStream; |
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40 import java.nio.file.Files; |
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41 import java.nio.file.FileSystem; |
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42 import java.nio.file.FileSystems; |
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43 import java.nio.file.Path; |
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44 import java.text.SimpleDateFormat; |
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45 import java.util.Arrays; |
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46 import java.util.ArrayList; |
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47 import java.util.Date; |
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48 import java.util.Enumeration; |
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49 import java.util.regex.Matcher; |
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50 import java.util.regex.Pattern; |
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51 import java.util.zip.ZipEntry; |
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52 import java.util.zip.ZipFile; |
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53 import java.util.zip.ZipOutputStream; |
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54 import jtreg.SkippedException; |
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55 import cdsutils.DynamicDumpHelper; |
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56 |
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57 |
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58 /** |
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59 * This is a test utility class for common AppCDS test functionality. |
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60 * |
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61 * Various methods use (String ...) for passing VM options. Note that the order |
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62 * of the VM options are important in certain cases. Many methods take arguments like |
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63 * |
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64 * (String prefix[], String suffix[], String... opts) |
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65 * |
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66 * Note that the order of the VM options is: |
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67 * |
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68 * prefix + opts + suffix |
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69 */ |
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70 public class TestCommon extends CDSTestUtils { |
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71 private static final String JSA_FILE_PREFIX = System.getProperty("user.dir") + |
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72 File.separator; |
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73 |
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74 private static final SimpleDateFormat timeStampFormat = |
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75 new SimpleDateFormat("HH'h'mm'm'ss's'SSS"); |
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76 |
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77 private static final String timeoutFactor = |
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78 System.getProperty("test.timeout.factor", "1.0"); |
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79 |
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80 private static String currentArchiveName; |
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81 |
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82 // Call this method to start new archive with new unique name |
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83 public static void startNewArchiveName() { |
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84 deletePriorArchives(); |
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85 currentArchiveName = getNewArchiveName(); |
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86 } |
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87 |
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88 // Call this method to get current archive name |
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89 public static String getCurrentArchiveName() { |
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90 return currentArchiveName; |
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91 } |
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92 |
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93 public static void setCurrentArchiveName(String archiveName) { |
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94 currentArchiveName = archiveName; |
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95 } |
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96 |
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97 public static String getNewArchiveName() { |
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98 return getNewArchiveName(null); |
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99 } |
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100 |
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101 public static String getNewArchiveName(String stem) { |
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102 if (stem == null) { |
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103 stem = "appcds"; |
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104 } |
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105 return JSA_FILE_PREFIX + stem + "-" + |
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106 timeStampFormat.format(new Date()) + ".jsa"; |
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107 } |
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108 |
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109 // Attempt to clean old archives to preserve space |
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110 // Archives are large artifacts (20Mb or more), and much larger than |
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111 // most other artifacts created in jtreg testing. |
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112 // Therefore it is a good idea to clean the old archives when they are not needed. |
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113 // In most cases the deletion attempt will succeed; on rare occasion the |
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114 // delete operation will fail since the system or VM process still holds a handle |
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115 // to the file; in such cases the File.delete() operation will silently fail, w/o |
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116 // throwing an exception, thus allowing testing to continue. |
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117 public static void deletePriorArchives() { |
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118 File dir = new File(System.getProperty("user.dir")); |
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119 String files[] = dir.list(); |
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120 for (String name : files) { |
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121 if (name.startsWith("appcds-") && name.endsWith(".jsa")) { |
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122 if (!(new File(dir, name)).delete()) |
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123 System.out.println("deletePriorArchives(): delete failed for file " + name); |
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124 } |
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125 } |
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126 } |
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127 |
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128 // Create AppCDS archive using most common args - convenience method |
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129 // Legacy name preserved for compatibility |
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130 public static OutputAnalyzer dump(String appJar, String classList[], |
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131 String... suffix) throws Exception { |
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132 return createArchive(appJar, classList, suffix); |
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133 } |
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134 |
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135 public static OutputAnalyzer dump(String appJarDir, String appJar, String classList[], |
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136 String... suffix) throws Exception { |
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137 return createArchive(appJarDir, appJar, classList, suffix); |
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138 } |
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139 |
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140 // Create AppCDS archive using most common args - convenience method |
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141 public static OutputAnalyzer createArchive(String appJar, String classList[], |
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142 String... suffix) throws Exception { |
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143 AppCDSOptions opts = (new AppCDSOptions()).setAppJar(appJar); |
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144 opts.setClassList(classList); |
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145 opts.addSuffix(suffix); |
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146 return createArchive(opts); |
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147 } |
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148 |
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149 public static OutputAnalyzer createArchive(String appJarDir, String appJar, String classList[], |
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150 String... suffix) throws Exception { |
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151 AppCDSOptions opts = (new AppCDSOptions()).setAppJar(appJar); |
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152 opts.setAppJarDir(appJarDir); |
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153 opts.setClassList(classList); |
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154 opts.addSuffix(suffix); |
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155 return createArchive(opts); |
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156 } |
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157 |
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158 // Simulate -Xshare:dump with -XX:ArchiveClassesAtExit. See comments around patchJarForDynamicDump() |
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159 private static final Class tmp = DynamicDumpHelper.class; |
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160 |
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161 // Create AppCDS archive using appcds options |
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162 public static OutputAnalyzer createArchive(AppCDSOptions opts) |
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163 throws Exception { |
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164 ArrayList<String> cmd = new ArrayList<String>(); |
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165 startNewArchiveName(); |
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166 |
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167 for (String p : opts.prefix) cmd.add(p); |
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168 |
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169 if (opts.appJar != null) { |
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170 cmd.add("-cp"); |
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171 cmd.add(opts.appJar); |
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172 File jf = new File(opts.appJar); |
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173 if (DYNAMIC_DUMP && !jf.isDirectory()) { |
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174 patchJarForDynamicDump(opts.appJar); |
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175 } |
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176 } else { |
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177 cmd.add("-Djava.class.path="); |
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178 } |
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179 |
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180 if (opts.archiveName == null) { |
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181 opts.archiveName = getCurrentArchiveName(); |
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182 } |
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183 |
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184 if (DYNAMIC_DUMP) { |
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185 cmd.add("-Xshare:on"); |
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186 cmd.add("-XX:ArchiveClassesAtExit=" + opts.archiveName); |
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187 |
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188 cmd.add("-Xlog:cds"); |
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189 cmd.add("-Xlog:cds+dynamic"); |
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190 boolean mainModuleSpecified = false; |
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191 boolean patchModuleSpecified = false; |
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192 for (String s : opts.suffix) { |
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193 if (s.length() == 0) { |
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194 continue; |
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195 } |
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196 if (s.equals("-m")) { |
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197 mainModuleSpecified = true; |
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198 } |
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199 if (s.startsWith("--patch-module=")) { |
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200 patchModuleSpecified = true; |
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201 } |
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202 cmd.add(s); |
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203 } |
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204 |
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205 if (opts.appJar != null) { |
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206 // classlist is supported only when we have a Jar file to patch (to insert |
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207 // cdsutils.DynamicDumpHelper) |
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208 if (opts.classList == null) { |
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209 throw new RuntimeException("test.dynamic.dump requires classList file"); |
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210 } |
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211 |
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212 if (!mainModuleSpecified && !patchModuleSpecified) { |
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213 cmd.add("cdsutils.DynamicDumpHelper"); |
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214 File classListFile = makeClassList(opts.classList); |
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215 cmd.add(classListFile.getPath()); |
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216 } |
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217 } else { |
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218 if (!mainModuleSpecified && !patchModuleSpecified) { |
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219 // If you have an empty classpath, you cannot specify a classlist! |
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220 if (opts.classList != null && opts.classList.length > 0) { |
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221 throw new RuntimeException("test.dynamic.dump not supported empty classpath with non-empty classlist"); |
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222 } |
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223 cmd.add("-version"); |
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224 } |
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225 } |
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226 } else { |
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227 // static dump |
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228 cmd.add("-Xshare:dump"); |
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229 cmd.add("-XX:SharedArchiveFile=" + opts.archiveName); |
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230 |
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231 if (opts.classList != null) { |
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232 File classListFile = makeClassList(opts.classList); |
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233 cmd.add("-XX:ExtraSharedClassListFile=" + classListFile.getPath()); |
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234 } |
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235 for (String s : opts.suffix) { |
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236 cmd.add(s); |
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237 } |
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238 } |
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239 |
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240 String[] cmdLine = cmd.toArray(new String[cmd.size()]); |
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241 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, cmdLine); |
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242 if (opts.appJarDir != null) { |
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243 pb.directory(new File(opts.appJarDir)); |
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244 } |
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245 return executeAndLog(pb, "dump"); |
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246 } |
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247 |
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248 // This allows you to run the AppCDS tests with JFR enabled at runtime (though not at |
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249 // dump time, as that's uncommon for typical AppCDS users). |
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250 // |
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251 // To run in this special mode, add the following to your jtreg command-line |
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252 // -Dtest.cds.run.with.jfr=true |
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253 // |
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254 // Some AppCDS tests are not compatible with this mode. See the group |
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255 // hotspot_appcds_with_jfr in ../../TEST.ROOT for details. |
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256 private static final boolean RUN_WITH_JFR = Boolean.getBoolean("test.cds.run.with.jfr"); |
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257 // This method simulates -Xshare:dump with -XX:ArchiveClassesAtExit. This way, we |
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258 // can re-use many tests (outside of the ./dynamicArchive directory) for testing |
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259 // general features of JDK-8215311 (JEP 350: Dynamic CDS Archives). |
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260 // |
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261 // We insert the cdsutils/DynamicDumpHelper.class into the first Jar file in |
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262 // the classpath. We use this class to load all the classes specified in the classlist. |
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263 // |
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264 // There's no need to change the run-time command-line: in this special mode, two |
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265 // archives are involved. The command-line specifies only the top archive. However, |
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266 // the location of the base archive is recorded in the top archive, so it can be |
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267 // determined by the JVM at runtime start-up. |
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268 // |
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269 // To run in this special mode, specify the following in your jtreg command-line |
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270 // -Dtest.dynamic.cds.archive=true |
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271 // |
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272 // Note that some tests are not compatible with this special mode, including |
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273 // + Tests in ./dynamicArchive: these tests are specifically written for |
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274 // dynamic archive, and do not use TestCommon.createArchive(), which works |
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275 // together with patchJarForDynamicDump(). |
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276 // + Tests related to cached objects and shared strings: dynamic dumping |
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277 // does not support these. |
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278 // + Custom loader tests: DynamicDumpHelper doesn't support the required |
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279 // classlist syntax. (FIXME). |
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280 // + Extra symbols and extra strings. |
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281 // See the hotspot_appcds_dynamic in ../../TEST.ROOT for details. |
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282 // |
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283 // To run all tests that are compatible with this mode: |
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284 // cd test/hotspot/jtreg |
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285 // jtreg -Dtest.dynamic.cds.archive=true :hotspot_appcds_dynamic |
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286 // |
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287 private static void patchJarForDynamicDump(String cp) throws Exception { |
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288 System.out.println("patchJarForDynamicDump: classpath = " + cp); |
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289 String firstJar = cp; |
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290 int n = firstJar.indexOf(File.pathSeparator); |
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291 if (n > 0) { |
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292 firstJar = firstJar.substring(0, n); |
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293 } |
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294 String classDir = System.getProperty("test.classes"); |
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295 String expected1 = classDir + File.separator; |
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296 String expected2 = System.getProperty("user.dir") + File.separator; |
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297 |
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298 if (!firstJar.startsWith(expected1) && !firstJar.startsWith(expected2)) { |
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299 throw new RuntimeException("FIXME: jar file not at a supported location ('" |
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300 + expected1 + "', or '" + expected2 + "'): " + firstJar); |
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301 } |
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302 |
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303 String replaceJar = firstJar + ".tmp"; |
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304 String patchClass = "cdsutils/DynamicDumpHelper.class"; |
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305 ZipFile zipFile = new ZipFile(firstJar); |
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306 byte[] buf = new byte[1024]; |
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307 int len; |
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308 if (zipFile.getEntry(patchClass) == null) { |
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309 FileOutputStream fout = new FileOutputStream(replaceJar); |
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310 final ZipOutputStream zos = new ZipOutputStream(fout); |
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311 |
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312 zos.putNextEntry(new ZipEntry(patchClass)); |
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313 InputStream is = new FileInputStream(classDir + File.separator + patchClass); |
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314 while ((len = (is.read(buf))) > 0) { |
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315 zos.write(buf, 0, len); |
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316 } |
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317 zos.closeEntry(); |
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318 is.close(); |
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319 |
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320 for (Enumeration e = zipFile.entries(); e.hasMoreElements(); ) { |
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321 ZipEntry entryIn = (ZipEntry) e.nextElement(); |
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322 zos.putNextEntry(entryIn); |
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323 is = zipFile.getInputStream(entryIn); |
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324 while ((len = is.read(buf)) > 0) { |
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325 zos.write(buf, 0, len); |
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326 } |
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327 zos.closeEntry(); |
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328 is.close(); |
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329 } |
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330 |
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331 zos.close(); |
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332 fout.close(); |
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333 zipFile.close(); |
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334 |
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335 File oldFile = new File(firstJar); |
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336 File newFile = new File(replaceJar); |
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337 oldFile.delete(); |
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338 newFile.renameTo(oldFile); |
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339 System.out.println("firstJar = " + firstJar + " Modified"); |
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340 } else { |
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341 System.out.println("firstJar = " + firstJar); |
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342 } |
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343 } |
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344 |
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345 // Execute JVM using AppCDS archive with specified AppCDSOptions |
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346 public static OutputAnalyzer runWithArchive(AppCDSOptions opts) |
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347 throws Exception { |
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348 |
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349 ArrayList<String> cmd = new ArrayList<String>(); |
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350 |
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351 for (String p : opts.prefix) cmd.add(p); |
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352 |
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353 cmd.add("-Xshare:" + opts.xShareMode); |
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354 cmd.add("-showversion"); |
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355 cmd.add("-XX:SharedArchiveFile=" + getCurrentArchiveName()); |
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356 cmd.add("-Dtest.timeout.factor=" + timeoutFactor); |
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357 |
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358 if (opts.appJar != null) { |
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359 cmd.add("-cp"); |
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360 cmd.add(opts.appJar); |
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361 } |
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362 |
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363 for (String s : opts.suffix) cmd.add(s); |
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364 |
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365 if (RUN_WITH_JFR) { |
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366 boolean usesJFR = false; |
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367 for (String s : cmd) { |
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368 if (s.startsWith("-XX:StartFlightRecording=") || s.startsWith("-XX:FlightRecorderOptions")) { |
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369 System.out.println("JFR option might have been specified. Don't interfere: " + s); |
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370 usesJFR = true; |
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371 break; |
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372 } |
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373 } |
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374 if (!usesJFR) { |
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375 System.out.println("JFR option not specified. Enabling JFR ..."); |
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376 cmd.add(0, "-XX:StartFlightRecording=dumponexit=true"); |
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377 System.out.println(cmd); |
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378 } |
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379 } |
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380 |
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381 String[] cmdLine = cmd.toArray(new String[cmd.size()]); |
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382 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, cmdLine); |
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383 if (opts.appJarDir != null) { |
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384 pb.directory(new File(opts.appJarDir)); |
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385 } |
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386 return executeAndLog(pb, "exec"); |
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387 } |
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388 |
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389 |
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390 public static OutputAnalyzer execCommon(String... suffix) throws Exception { |
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391 AppCDSOptions opts = (new AppCDSOptions()); |
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392 opts.addSuffix(suffix); |
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393 return runWithArchive(opts); |
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394 } |
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395 |
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396 // This is the new API for running a Java process with CDS enabled. |
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397 // See comments in the CDSTestUtils.Result class for how to use this method. |
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398 public static Result run(String... suffix) throws Exception { |
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399 AppCDSOptions opts = (new AppCDSOptions()); |
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400 opts.addSuffix(suffix); |
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401 return new Result(opts, runWithArchive(opts)); |
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402 } |
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403 |
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404 public static Result runWithRelativePath(String jarDir, String... suffix) throws Exception { |
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405 AppCDSOptions opts = (new AppCDSOptions()); |
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406 opts.setAppJarDir(jarDir); |
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407 opts.addSuffix(suffix); |
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408 return new Result(opts, runWithArchive(opts)); |
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409 } |
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410 |
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411 public static OutputAnalyzer exec(String appJar, String... suffix) throws Exception { |
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412 AppCDSOptions opts = (new AppCDSOptions()).setAppJar(appJar); |
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413 opts.addSuffix(suffix); |
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414 return runWithArchive(opts); |
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415 } |
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416 |
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417 public static Result runWithModules(String prefix[], String upgrademodulepath, String modulepath, |
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418 String mid, String... testClassArgs) throws Exception { |
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419 AppCDSOptions opts = makeModuleOptions(prefix, upgrademodulepath, modulepath, |
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420 mid, testClassArgs); |
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421 return new Result(opts, runWithArchive(opts)); |
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422 } |
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423 |
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424 public static OutputAnalyzer execAuto(String... suffix) throws Exception { |
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425 AppCDSOptions opts = (new AppCDSOptions()); |
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426 opts.addSuffix(suffix).setXShareMode("auto"); |
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427 return runWithArchive(opts); |
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428 } |
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429 |
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430 public static OutputAnalyzer execOff(String... suffix) throws Exception { |
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431 AppCDSOptions opts = (new AppCDSOptions()); |
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432 opts.addSuffix(suffix).setXShareMode("off"); |
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433 return runWithArchive(opts); |
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434 } |
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435 |
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436 |
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437 private static AppCDSOptions makeModuleOptions(String prefix[], String upgrademodulepath, String modulepath, |
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438 String mid, String testClassArgs[]) { |
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439 AppCDSOptions opts = (new AppCDSOptions()); |
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440 |
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441 opts.addPrefix(prefix); |
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442 if (upgrademodulepath == null) { |
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443 opts.addSuffix("-p", modulepath, "-m", mid); |
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444 } else { |
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445 opts.addSuffix("--upgrade-module-path", upgrademodulepath, |
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446 "-p", modulepath, "-m", mid); |
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447 } |
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448 opts.addSuffix(testClassArgs); |
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449 return opts; |
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450 } |
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451 |
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452 public static OutputAnalyzer execModule(String prefix[], String upgrademodulepath, String modulepath, |
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453 String mid, String... testClassArgs) |
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454 throws Exception { |
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455 AppCDSOptions opts = makeModuleOptions(prefix, upgrademodulepath, modulepath, |
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456 mid, testClassArgs); |
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457 return runWithArchive(opts); |
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458 } |
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459 |
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460 // A common operation: dump, then check results |
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461 public static OutputAnalyzer testDump(String appJar, String classList[], |
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462 String... suffix) throws Exception { |
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463 OutputAnalyzer output = dump(appJar, classList, suffix); |
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464 if (DYNAMIC_DUMP) { |
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465 if (isUnableToMap(output)) { |
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466 throw new SkippedException(UnableToMapMsg); |
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467 } |
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468 output.shouldContain("Written dynamic archive"); |
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469 } else { |
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470 output.shouldContain("Loading classes to share"); |
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471 } |
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472 output.shouldHaveExitValue(0); |
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473 return output; |
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474 } |
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475 |
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476 public static OutputAnalyzer testDump(String appJarDir, String appJar, String classList[], |
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477 String... suffix) throws Exception { |
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478 OutputAnalyzer output = dump(appJarDir, appJar, classList, suffix); |
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479 if (DYNAMIC_DUMP) { |
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480 if (isUnableToMap(output)) { |
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481 throw new SkippedException(UnableToMapMsg); |
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482 } |
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483 output.shouldContain("Written dynamic archive"); |
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484 } else { |
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485 output.shouldContain("Loading classes to share"); |
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486 } |
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487 output.shouldHaveExitValue(0); |
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488 return output; |
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489 } |
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490 |
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491 /** |
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492 * Simple test -- dump and execute appJar with the given classList in classlist. |
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493 */ |
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494 public static OutputAnalyzer test(String appJar, String classList[], String... args) |
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495 throws Exception { |
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496 testDump(appJar, classList); |
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497 |
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498 OutputAnalyzer output = exec(appJar, args); |
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499 return checkExec(output); |
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500 } |
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501 |
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502 |
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503 public static OutputAnalyzer checkExecReturn(OutputAnalyzer output, int ret, |
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504 boolean checkContain, String... matches) throws Exception { |
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505 try { |
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506 for (String s : matches) { |
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507 if (checkContain) { |
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508 output.shouldContain(s); |
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509 } else { |
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510 output.shouldNotContain(s); |
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511 } |
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512 } |
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513 output.shouldHaveExitValue(ret); |
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514 } catch (Exception e) { |
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515 checkCommonExecExceptions(output, e); |
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516 } |
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517 |
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518 return output; |
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519 } |
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520 |
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521 // Convenience concatenation utils |
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522 public static String[] list(String ...args) { |
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523 return args; |
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524 } |
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525 |
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526 |
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527 public static String[] list(String arg, int count) { |
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528 ArrayList<String> stringList = new ArrayList<String>(); |
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529 for (int i = 0; i < count; i++) { |
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530 stringList.add(arg); |
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531 } |
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532 |
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533 String outputArray[] = stringList.toArray(new String[stringList.size()]); |
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534 return outputArray; |
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535 } |
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536 |
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537 |
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538 public static String[] concat(String... args) { |
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539 return list(args); |
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540 } |
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541 |
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542 |
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543 public static String[] concat(String prefix[], String... extra) { |
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544 ArrayList<String> list = new ArrayList<String>(); |
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545 for (String s : prefix) { |
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546 list.add(s); |
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547 } |
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548 for (String s : extra) { |
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549 list.add(s); |
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550 } |
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551 |
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552 return list.toArray(new String[list.size()]); |
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553 } |
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554 |
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555 public static String[] concat(String prefix, String[] extra) { |
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556 ArrayList<String> list = new ArrayList<String>(); |
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557 list.add(prefix); |
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558 for (String s : extra) { |
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559 list.add(s); |
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560 } |
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561 |
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562 return list.toArray(new String[list.size()]); |
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563 } |
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564 |
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565 // ===================== Concatenate paths |
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566 public static String concatPaths(String... paths) { |
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567 String prefix = ""; |
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568 String s = ""; |
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569 for (String p : paths) { |
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570 s += prefix; |
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571 s += p; |
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572 prefix = File.pathSeparator; |
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573 } |
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574 return s; |
|
575 } |
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576 |
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577 |
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578 public static String getTestJar(String jar) { |
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579 File jarFile = CDSTestUtils.getTestArtifact(jar, true); |
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580 if (!jarFile.isFile()) { |
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581 throw new RuntimeException("Not a regular file: " + jarFile.getPath()); |
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582 } |
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583 return jarFile.getPath(); |
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584 } |
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585 |
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586 |
|
587 public static String getTestDir(String d) { |
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588 File dirFile = CDSTestUtils.getTestArtifact(d, true); |
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589 if (!dirFile.isDirectory()) { |
|
590 throw new RuntimeException("Not a directory: " + dirFile.getPath()); |
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591 } |
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592 return dirFile.getPath(); |
|
593 } |
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594 |
|
595 public static boolean checkOutputStrings(String outputString1, |
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596 String outputString2, |
|
597 String split_regex) { |
|
598 String[] sa1 = outputString1.split(split_regex); |
|
599 String[] sa2 = outputString2.split(split_regex); |
|
600 Arrays.sort(sa1); |
|
601 Arrays.sort(sa2); |
|
602 |
|
603 int i = 0; |
|
604 for (String s : sa1) { |
|
605 if (!s.equals(sa2[i])) { |
|
606 throw new RuntimeException(s + " is different from " + sa2[i]); |
|
607 } |
|
608 i ++; |
|
609 } |
|
610 return true; |
|
611 } |
|
612 |
|
613 static Pattern pattern; |
|
614 |
|
615 static void findAllClasses(ArrayList<String> list) throws Throwable { |
|
616 // Find all the classes in the jrt file system |
|
617 pattern = Pattern.compile("/modules/[a-z.]*[a-z]+/([^-]*)[.]class"); |
|
618 FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/")); |
|
619 Path base = fs.getPath("/modules/"); |
|
620 findAllClassesAtPath(base, list); |
|
621 } |
|
622 |
|
623 private static void findAllClassesAtPath(Path p, ArrayList<String> list) throws Throwable { |
|
624 try (DirectoryStream<Path> stream = Files.newDirectoryStream(p)) { |
|
625 for (Path entry: stream) { |
|
626 Matcher matcher = pattern.matcher(entry.toString()); |
|
627 if (matcher.find()) { |
|
628 String className = matcher.group(1); |
|
629 list.add(className); |
|
630 } |
|
631 try { |
|
632 findAllClassesAtPath(entry, list); |
|
633 } catch (Throwable t) {} |
|
634 } |
|
635 } |
|
636 } |
|
637 |
|
638 public static String composeRelPath(String appJar) { |
|
639 int idx = appJar.lastIndexOf(File.separator); |
|
640 String jarName = appJar.substring(idx + 1); |
|
641 String jarDir = appJar.substring(0, idx); |
|
642 String lastDir = jarDir.substring(jarDir.lastIndexOf(File.separator)); |
|
643 String relPath = jarDir + File.separator + ".." + File.separator + lastDir; |
|
644 String newJar = relPath + File.separator + jarName; |
|
645 return newJar; |
|
646 } |
|
647 |
|
648 |
|
649 public static File createSymLink(String appJar) throws Exception { |
|
650 int idx = appJar.lastIndexOf(File.separator); |
|
651 String jarName = appJar.substring(idx + 1); |
|
652 String jarDir = appJar.substring(0, idx); |
|
653 File origJar = new File(jarDir, jarName); |
|
654 String linkedJarName = "linked_" + jarName; |
|
655 File linkedJar = null; |
|
656 if (!Platform.isWindows()) { |
|
657 linkedJar = new File(jarDir, linkedJarName); |
|
658 if (linkedJar.exists()) { |
|
659 linkedJar.delete(); |
|
660 } |
|
661 Files.createSymbolicLink(linkedJar.toPath(), origJar.toPath()); |
|
662 } |
|
663 return linkedJar; |
|
664 } |
|
665 } |
|