1 /* |
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2 * Copyright (c) 2013, 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.sun.tools.jdeps; |
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26 |
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27 import com.sun.tools.classfile.Annotation; |
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28 import com.sun.tools.classfile.Annotation.*; |
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29 import com.sun.tools.classfile.Attribute; |
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30 import com.sun.tools.classfile.ClassFile; |
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31 import com.sun.tools.classfile.ConstantPool; |
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32 import com.sun.tools.classfile.ConstantPool.*; |
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33 import com.sun.tools.classfile.ConstantPoolException; |
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34 import com.sun.tools.classfile.RuntimeAnnotations_attribute; |
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35 import java.io.File; |
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36 import java.io.FileReader; |
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37 import java.io.IOException; |
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38 import java.nio.file.Path; |
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39 import java.nio.file.Paths; |
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40 import java.util.*; |
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41 import java.util.jar.JarFile; |
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42 |
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43 /** |
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44 * Build the profile information from ct.sym if exists. |
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45 */ |
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46 class Profiles { |
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47 private static final Map<String,Profile> map = initProfiles(); |
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48 /** |
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49 * Returns the name of the profile for the given package name. |
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50 * It returns an empty string if the given package is not in any profile. |
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51 */ |
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52 public static String getProfileName(String pn) { |
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53 Profile profile = map.get(pn); |
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54 return (profile != null && profile.packages.contains(pn)) |
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55 ? profile.name : ""; |
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56 } |
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57 |
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58 public static int getProfileCount() { |
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59 return new HashSet<Profile>(map.values()).size(); |
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60 } |
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61 |
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62 private static Map<String,Profile> initProfiles() { |
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63 List<Profile> profiles = new ArrayList<Profile>(); |
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64 try { |
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65 String profilesProps = System.getProperty("jdeps.profiles"); |
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66 if (profilesProps != null) { |
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67 // for testing for JDK development build where ct.sym doesn't exist |
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68 initProfilesFromProperties(profiles, profilesProps); |
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69 } else { |
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70 Path home = Paths.get(System.getProperty("java.home")); |
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71 if (home.endsWith("jre")) { |
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72 home = home.getParent(); |
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73 } |
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74 Path ctsym = home.resolve("lib").resolve("ct.sym"); |
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75 if (ctsym.toFile().exists()) { |
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76 // add a default Full JRE |
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77 profiles.add(0, new Profile("Full JRE", 0)); |
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78 // parse ct.sym and load information about profiles |
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79 try (JarFile jf = new JarFile(ctsym.toFile())) { |
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80 ClassFileReader reader = ClassFileReader.newInstance(ctsym, jf); |
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81 for (ClassFile cf : reader.getClassFiles()) { |
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82 findProfile(profiles, cf); |
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83 } |
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84 } |
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85 |
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86 // merge the last Profile with the "Full JRE" |
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87 if (profiles.size() > 1) { |
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88 Profile fullJRE = profiles.get(0); |
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89 Profile p = profiles.remove(profiles.size() - 1); |
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90 for (String pn : fullJRE.packages) { |
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91 // The last profile contains the packages determined from ct.sym. |
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92 // Move classes annotated profile==0 or no attribute that are |
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93 // added in the fullJRE profile to either supported or proprietary |
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94 // packages appropriately |
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95 if (p.proprietaryPkgs.contains(pn)) { |
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96 p.proprietaryPkgs.add(pn); |
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97 } else { |
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98 p.packages.add(pn); |
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99 } |
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100 } |
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101 fullJRE.packages.clear(); |
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102 fullJRE.proprietaryPkgs.clear(); |
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103 fullJRE.packages.addAll(p.packages); |
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104 fullJRE.proprietaryPkgs.addAll(p.proprietaryPkgs); |
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105 } |
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106 } |
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107 } |
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108 } catch (IOException | ConstantPoolException e) { |
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109 throw new Error(e); |
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110 } |
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111 HashMap<String,Profile> map = new HashMap<String,Profile>(); |
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112 for (Profile profile : profiles) { |
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113 // Inner classes are not annotated with the profile annotation |
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114 // packages may be in one profile but also appear in the Full JRE |
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115 // Full JRE is always the first element in profiles list and |
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116 // so the map will contain the appropriate Profile |
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117 for (String pn : profile.packages) { |
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118 map.put(pn, profile); |
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119 } |
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120 for (String pn : profile.proprietaryPkgs) { |
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121 map.put(pn, profile); |
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122 } |
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123 } |
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124 return map; |
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125 } |
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126 |
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127 private static final String PROFILE_ANNOTATION = "Ljdk/Profile+Annotation;"; |
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128 private static final String PROPRIETARY_ANNOTATION = "Lsun/Proprietary+Annotation;"; |
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129 private static Profile findProfile(List<Profile> profiles, ClassFile cf) |
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130 throws ConstantPoolException |
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131 { |
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132 RuntimeAnnotations_attribute attr = (RuntimeAnnotations_attribute) |
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133 cf.attributes.get(Attribute.RuntimeInvisibleAnnotations); |
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134 int index = 0; |
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135 boolean proprietary = false; |
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136 if (attr != null) { |
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137 for (int i = 0; i < attr.annotations.length; i++) { |
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138 Annotation ann = attr.annotations[i]; |
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139 String annType = cf.constant_pool.getUTF8Value(ann.type_index); |
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140 if (PROFILE_ANNOTATION.equals(annType)) { |
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141 for (int j = 0; j < ann.num_element_value_pairs; j++) { |
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142 Annotation.element_value_pair pair = ann.element_value_pairs[j]; |
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143 Primitive_element_value ev = (Primitive_element_value)pair.value; |
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144 CONSTANT_Integer_info info = (CONSTANT_Integer_info) |
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145 cf.constant_pool.get(ev.const_value_index); |
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146 index = info.value; |
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147 break; |
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148 } |
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149 } else if (PROPRIETARY_ANNOTATION.equals(annType)) { |
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150 proprietary = true; |
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151 } |
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152 } |
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153 if (index >= profiles.size()) { |
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154 Profile p = null; |
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155 for (int i = profiles.size(); i <= index; i++) { |
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156 p = new Profile(i); |
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157 profiles.add(p); |
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158 } |
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159 } |
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160 } |
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161 |
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162 Profile p = profiles.get(index); |
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163 String name = cf.getName(); |
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164 int i = name.lastIndexOf('/'); |
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165 name = (i > 0) ? name.substring(0, i).replace('/','.') : ""; |
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166 if (proprietary) { |
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167 p.proprietaryPkgs.add(name); |
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168 } else { |
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169 p.packages.add(name); |
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170 } |
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171 return p; |
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172 } |
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173 |
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174 private static void initProfilesFromProperties(List<Profile> profiles, String path) |
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175 throws IOException |
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176 { |
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177 Properties props = new Properties(); |
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178 try (FileReader reader = new FileReader(path)) { |
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179 props.load(reader); |
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180 } |
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181 int i=1; |
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182 String key; |
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183 while (props.containsKey((key = "profile." + i + ".name"))) { |
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184 Profile profile = new Profile(props.getProperty(key), i); |
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185 profiles.add(profile); |
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186 String n = props.getProperty("profile." + i + ".packages"); |
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187 String[] pkgs = n.split("\\s+"); |
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188 for (String p : pkgs) { |
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189 if (p.isEmpty()) continue; |
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190 profile.packages.add(p); |
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191 } |
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192 i++; |
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193 } |
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194 } |
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195 |
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196 private static class Profile { |
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197 final String name; |
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198 final int profile; |
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199 final Set<String> packages; |
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200 final Set<String> proprietaryPkgs; |
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201 Profile(int profile) { |
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202 this("compact" + profile, profile); |
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203 } |
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204 Profile(String name, int profile) { |
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205 this.name = name; |
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206 this.profile = profile; |
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207 this.packages = new HashSet<String>(); |
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208 this.proprietaryPkgs = new HashSet<String>(); |
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209 } |
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210 public String toString() { |
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211 return name; |
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212 } |
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213 } |
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214 |
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215 // for debugging |
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216 public static void main(String[] args) { |
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217 if (args.length == 0) { |
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218 Profile[] profiles = new Profile[getProfileCount()]; |
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219 for (Profile p : map.values()) { |
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220 // move the zeroth profile to the last |
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221 int index = p.profile == 0 ? profiles.length-1 : p.profile-1; |
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222 profiles[index] = p; |
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223 } |
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224 for (Profile p : profiles) { |
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225 String profileName = p.name; |
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226 SortedSet<String> set = new TreeSet<String>(p.packages); |
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227 for (String s : set) { |
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228 // filter out the inner classes that are not annotated with |
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229 // the profile annotation |
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230 if (map.get(s) == p) { |
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231 System.out.format("%-10s %s%n", profileName, s); |
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232 profileName = ""; |
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233 } |
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234 } |
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235 } |
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236 } |
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237 for (String pn : args) { |
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238 System.out.format("%s in %s%n", pn, getProfileName(pn)); |
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239 } |
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240 } |
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241 } |
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