1 /* |
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2 * Copyright (c) 2015, 2018, 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 |
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26 package jdk.packager.internal; |
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27 |
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28 import java.io.BufferedReader; |
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29 import java.io.File; |
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30 import java.io.IOException; |
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31 import java.io.InputStream; |
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32 import java.io.InputStreamReader; |
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33 import java.io.UnsupportedEncodingException; |
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34 import java.util.Optional; |
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35 import java.lang.module.ModuleDescriptor; |
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36 import java.lang.module.ModuleFinder; |
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37 import java.lang.module.ModuleReference; |
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38 import java.lang.module.ModuleReader; |
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39 import java.nio.file.Path; |
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40 import java.util.HashSet; |
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41 import java.util.LinkedHashSet; |
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42 import java.util.List; |
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43 import java.util.NoSuchElementException; |
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44 import java.util.Set; |
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45 |
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46 import jdk.tools.jlink.internal.packager.AppRuntimeImageBuilder; |
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47 |
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48 public final class RedistributableModules { |
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49 private static final String JDK_PACKAGER_MODULE = "jdk.packager"; |
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50 |
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51 private RedistributableModules() {} |
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52 |
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53 public static String stripComments(String line) { |
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54 String result = line.trim(); |
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55 int i = result.indexOf(";"); |
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56 |
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57 if (i >= 0) { |
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58 result = result.substring(0, i); |
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59 result = result.trim(); |
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60 } |
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61 |
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62 return result; |
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63 } |
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64 |
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65 public static Set<String> getRedistributableModules(List<Path> modulePath, |
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66 String filename) { |
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67 Set<String> result = null; |
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68 |
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69 Set<String> addModules = new HashSet<>(); |
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70 Set<String> limitModules = new HashSet<>(); |
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71 ModuleFinder finder = AppRuntimeImageBuilder.moduleFinder( |
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72 modulePath, addModules, limitModules); |
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73 Optional<ModuleReference> mref = finder.find(JDK_PACKAGER_MODULE); |
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74 |
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75 if (mref.isPresent()) { |
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76 ModuleReader reader = null; |
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77 |
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78 try { |
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79 reader = mref.get().open(); |
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80 } catch (NoSuchElementException | IOException ex) { |
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81 } |
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82 |
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83 if (reader != null) { |
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84 Optional<InputStream> stream = null; |
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85 |
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86 try { |
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87 stream = reader.open(filename); |
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88 } catch (IOException ex) { |
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89 } |
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90 |
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91 if (stream != null) { |
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92 if (stream.isPresent()) { |
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93 BufferedReader br = null; |
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94 |
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95 try { |
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96 br = new BufferedReader(new InputStreamReader( |
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97 stream.get(), "UTF-8")); |
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98 } catch (UnsupportedEncodingException ex) { |
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99 } |
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100 |
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101 if (br != null) { |
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102 result = new LinkedHashSet<String>(); |
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103 String line; |
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104 |
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105 try { |
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106 while ((line = br.readLine()) != null) { |
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107 String module = stripComments(line); |
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108 |
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109 if (!module.isEmpty()) { |
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110 result.add(module); |
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111 } |
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112 } |
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113 } catch (IOException ex) { |
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114 } |
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115 } |
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116 } |
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117 } |
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118 } |
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119 } |
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120 |
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121 return result; |
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122 } |
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123 |
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124 public static String getModuleVersion(File moduleFile, |
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125 List<Path> modulePath, Set<String> addModules, |
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126 Set<String> limitModules) { |
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127 String result = ""; |
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128 |
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129 ModFile modFile = new ModFile(moduleFile); |
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130 ModuleFinder finder = AppRuntimeImageBuilder.moduleFinder(modulePath, |
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131 addModules, limitModules); |
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132 Optional<ModuleReference> mref = finder.find(modFile.getModName()); |
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133 |
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134 if (mref.isPresent()) { |
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135 ModuleDescriptor descriptor = mref.get().descriptor(); |
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136 |
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137 if (descriptor != null) { |
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138 Optional<ModuleDescriptor.Version> version = |
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139 descriptor.version(); |
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140 |
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141 if (version.isPresent()) { |
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142 result = version.get().toString(); |
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143 } |
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144 } |
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145 } |
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146 |
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147 return result; |
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148 } |
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149 } |
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