1 /* |
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2 * Copyright (c) 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. |
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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 import java.io.IOException; |
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24 import java.net.URI; |
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25 import java.nio.file.FileSystem; |
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26 import java.nio.file.FileSystems; |
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27 import java.nio.file.Files; |
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28 import java.nio.file.Path; |
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29 import java.nio.file.Paths; |
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30 import java.util.ArrayList; |
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31 import java.util.Collection; |
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32 import java.util.Collections; |
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33 import java.util.HashMap; |
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34 import java.util.Iterator; |
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35 import java.util.List; |
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36 import java.util.Map; |
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37 import java.util.Set; |
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38 import java.util.function.Predicate; |
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39 import java.util.stream.Collectors; |
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40 import java.util.stream.Stream; |
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41 import jdk.tools.jlink.internal.ModulePoolImpl; |
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42 import jdk.tools.jlink.internal.StringTable; |
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43 |
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44 import jdk.tools.jlink.internal.plugins.asm.AsmPlugin; |
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45 import jdk.tools.jlink.internal.plugins.asm.AsmPools; |
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46 import jdk.tools.jlink.plugin.ModuleEntry; |
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47 import jdk.tools.jlink.plugin.ModulePool; |
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48 |
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49 public abstract class AsmPluginTestBase { |
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50 |
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51 protected static final String TEST_MODULE = "jlink.test"; |
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52 protected static final Map<String, List<String>> MODULES; |
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53 |
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54 private static final Predicate<ModuleEntry> isClass = r -> r.getPath().endsWith(".class"); |
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55 private final List<String> classes; |
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56 private final List<String> resources; |
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57 private final ModulePool pool; |
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58 |
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59 static { |
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60 Map<String, List<String>> map = new HashMap<>(); |
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61 map.put("jdk.localedata", new ArrayList<>()); |
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62 map.put("java.base", new ArrayList<>()); |
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63 map.put(TEST_MODULE, new ArrayList<>()); |
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64 MODULES = Collections.unmodifiableMap(map); |
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65 } |
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66 |
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67 public static boolean isImageBuild() { |
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68 Path javaHome = Paths.get(System.getProperty("test.jdk")); |
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69 Path jmods = javaHome.resolve("jmods"); |
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70 return Files.exists(jmods); |
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71 } |
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72 |
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73 public AsmPluginTestBase() { |
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74 try { |
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75 List<String> classes = new ArrayList<>(); |
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76 List<String> resources = new ArrayList<>(); |
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77 |
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78 pool = new ModulePoolImpl(); |
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79 |
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80 FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/")); |
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81 Path root = fs.getPath("/modules"); |
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82 |
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83 List<byte[]> moduleInfos = new ArrayList<>(); |
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84 try (Stream<Path> stream = Files.walk(root)) { |
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85 for (Iterator<Path> iterator = stream.iterator(); iterator.hasNext(); ) { |
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86 Path p = iterator.next(); |
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87 if (Files.isRegularFile(p)) { |
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88 String module = p.toString().substring("/modules/".length()); |
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89 module = module.substring(0, module.indexOf("/")); |
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90 if (MODULES.keySet().contains(module)) { |
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91 try { |
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92 boolean isModuleInfo = p.endsWith("module-info.class"); |
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93 if (isModuleInfo) { |
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94 moduleInfos.add(Files.readAllBytes(p)); |
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95 } |
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96 byte[] content = Files.readAllBytes(p); |
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97 if (p.toString().endsWith(".class") && !isModuleInfo) { |
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98 classes.add(toClassName(p)); |
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99 } else if (!isModuleInfo) { |
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100 MODULES.get(module).add(toResourceFile(p)); |
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101 } |
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102 resources.add(toPath(p.toString())); |
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103 ModuleEntry res = ModuleEntry.create(toPath(p.toString()), content); |
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104 pool.add(res); |
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105 } catch (Exception ex) { |
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106 throw new RuntimeException(ex); |
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107 } |
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108 } |
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109 } |
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110 } |
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111 } |
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112 // There is more than 10 classes in java.base... |
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113 if (classes.size() < 10 || pool.getEntryCount() < 10) { |
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114 throw new AssertionError("Not expected resource or class number"); |
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115 } |
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116 |
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117 //Add a fake resource file |
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118 String content = "java.lang.Object"; |
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119 String path = "META-INF/services/com.foo.BarProvider"; |
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120 ModuleEntry resFile = ModuleEntry.create("/" + TEST_MODULE + "/" + |
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121 path, content.getBytes()); |
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122 pool.add(resFile); |
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123 ModuleEntry fakeInfoFile = ModuleEntry.create("/" + TEST_MODULE |
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124 + "/module-info.class", moduleInfos.get(0)); |
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125 pool.add(fakeInfoFile); |
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126 MODULES.get(TEST_MODULE).add(path); |
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127 for(Map.Entry<String, List<String>> entry : MODULES.entrySet()) { |
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128 if (entry.getValue().isEmpty()) { |
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129 throw new AssertionError("No resource file for " + entry.getKey()); |
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130 } |
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131 } |
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132 this.classes = Collections.unmodifiableList(classes); |
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133 this.resources = Collections.unmodifiableList(resources); |
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134 } catch (Exception e) { |
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135 throw new ExceptionInInitializerError(e); |
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136 } |
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137 } |
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138 |
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139 public List<String> getClasses() { |
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140 return classes; |
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141 } |
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142 |
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143 public List<String> getResources() { |
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144 return resources; |
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145 } |
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146 |
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147 public ModulePool getPool() { |
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148 return pool; |
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149 } |
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150 |
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151 public abstract void test() throws Exception; |
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152 |
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153 public Collection<ModuleEntry> extractClasses(ModulePool pool) { |
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154 return pool.entries() |
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155 .filter(isClass) |
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156 .collect(Collectors.toSet()); |
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157 } |
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158 |
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159 public Collection<ModuleEntry> extractResources(ModulePool pool) { |
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160 return pool.entries() |
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161 .filter(isClass.negate()) |
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162 .collect(Collectors.toSet()); |
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163 } |
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164 |
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165 public String getModule(String path) { |
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166 int index = path.indexOf("/", 1); |
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167 return path.substring(1, index); |
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168 } |
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169 |
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170 public String removeModule(String path) { |
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171 int index = path.indexOf("/", 1); |
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172 return path.substring(index + 1); |
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173 } |
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174 |
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175 private String toPath(String p) { |
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176 return p.substring("/modules".length()); |
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177 } |
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178 |
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179 private String toClassName(Path p) { |
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180 String path = p.toString(); |
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181 path = path.substring("/modules/".length()); |
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182 // remove module |
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183 if (!path.endsWith("module-info.class")) { |
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184 path = path.substring(path.indexOf("/") + 1); |
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185 } |
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186 path = path.substring(0, path.length() - ".class".length()); |
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187 |
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188 return path; |
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189 } |
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190 |
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191 private String toResourceFile(Path p) { |
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192 String path = p.toString(); |
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193 path = path.substring("/modules/".length()); |
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194 // remove module |
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195 path = path.substring(path.indexOf("/") + 1); |
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196 |
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197 return path; |
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198 } |
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199 |
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200 public abstract class TestPlugin extends AsmPlugin { |
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201 |
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202 private AsmPools pools; |
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203 |
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204 public AsmPools getPools() { |
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205 return pools; |
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206 } |
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207 |
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208 public boolean isVisitCalled() { |
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209 return pools != null; |
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210 } |
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211 |
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212 public ModulePool visit(ModulePool inResources) throws IOException { |
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213 try { |
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214 ModulePool outResources = new ModulePoolImpl(inResources.getByteOrder(), new StringTable() { |
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215 @Override |
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216 public int addString(String str) { |
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217 return -1; |
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218 } |
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219 |
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220 @Override |
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221 public String getString(int id) { |
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222 return null; |
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223 } |
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224 }); |
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225 visit(inResources, outResources); |
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226 return outResources; |
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227 } catch (Exception e) { |
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228 throw new IOException(e); |
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229 } |
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230 } |
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231 |
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232 @Override |
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233 public void visit(AsmPools pools) { |
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234 if (isVisitCalled()) { |
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235 throw new AssertionError("Visit was called twice"); |
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236 } |
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237 this.pools = pools; |
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238 visit(); |
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239 } |
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240 |
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241 public abstract void visit(); |
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242 public abstract void test(ModulePool inResources, ModulePool outResources) throws Exception; |
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243 |
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244 @Override |
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245 public String getName() { |
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246 return "test-plugin"; |
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247 } |
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248 } |
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249 } |
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