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1 /* |
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2 * Copyright (c) 1997, 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 |
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26 package com.sun.tools.javadoc; |
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27 |
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28 import java.io.File; |
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29 import java.io.IOException; |
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30 import java.lang.reflect.Modifier; |
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31 import java.net.URI; |
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32 import java.util.HashSet; |
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33 import java.util.Set; |
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34 |
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35 import javax.tools.FileObject; |
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36 import javax.tools.JavaFileManager.Location; |
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37 import javax.tools.StandardJavaFileManager; |
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38 import javax.tools.StandardLocation; |
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39 |
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40 import com.sun.javadoc.*; |
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41 import com.sun.source.util.TreePath; |
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42 import com.sun.tools.javac.code.Flags; |
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43 import com.sun.tools.javac.code.Kinds; |
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44 import com.sun.tools.javac.code.Scope; |
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45 import com.sun.tools.javac.code.Symbol; |
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46 import com.sun.tools.javac.code.Symbol.*; |
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47 import com.sun.tools.javac.code.Type; |
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48 import com.sun.tools.javac.code.Type.ClassType; |
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49 import com.sun.tools.javac.code.TypeTag; |
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50 import com.sun.tools.javac.comp.AttrContext; |
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51 import com.sun.tools.javac.comp.Env; |
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52 import com.sun.tools.javac.tree.JCTree; |
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53 import com.sun.tools.javac.tree.JCTree.JCFieldAccess; |
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54 import com.sun.tools.javac.tree.JCTree.JCImport; |
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55 import com.sun.tools.javac.tree.TreeInfo; |
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56 import com.sun.tools.javac.util.List; |
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57 import com.sun.tools.javac.util.ListBuffer; |
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58 import com.sun.tools.javac.util.Name; |
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59 import com.sun.tools.javac.util.Names; |
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60 import com.sun.tools.javac.util.Position; |
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61 import static com.sun.tools.javac.code.Kinds.*; |
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62 import static com.sun.tools.javac.code.TypeTag.CLASS; |
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63 import static com.sun.tools.javac.tree.JCTree.Tag.*; |
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64 |
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65 /** |
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66 * Represents a java class and provides access to information |
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67 * about the class, the class' comment and tags, and the |
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68 * members of the class. A ClassDocImpl only exists if it was |
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69 * processed in this run of javadoc. References to classes |
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70 * which may or may not have been processed in this run are |
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71 * referred to using Type (which can be converted to ClassDocImpl, |
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72 * if possible). |
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73 * |
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74 * <p><b>This is NOT part of any supported API. |
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75 * If you write code that depends on this, you do so at your own risk. |
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76 * This code and its internal interfaces are subject to change or |
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77 * deletion without notice.</b> |
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78 * |
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79 * @see Type |
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80 * |
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81 * @since 1.2 |
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82 * @author Robert Field |
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83 * @author Neal Gafter (rewrite) |
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84 * @author Scott Seligman (generics, enums, annotations) |
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85 */ |
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86 |
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87 public class ClassDocImpl extends ProgramElementDocImpl implements ClassDoc { |
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88 |
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89 public final ClassType type; // protected->public for debugging |
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90 protected final ClassSymbol tsym; |
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91 |
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92 boolean isIncluded = false; // Set in RootDocImpl |
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93 |
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94 private SerializedForm serializedForm; |
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95 |
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96 /** |
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97 * Constructor |
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98 */ |
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99 public ClassDocImpl(DocEnv env, ClassSymbol sym) { |
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100 this(env, sym, null); |
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101 } |
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102 |
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103 /** |
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104 * Constructor |
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105 */ |
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106 public ClassDocImpl(DocEnv env, ClassSymbol sym, TreePath treePath) { |
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107 super(env, sym, treePath); |
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108 this.type = (ClassType)sym.type; |
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109 this.tsym = sym; |
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110 } |
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111 |
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112 public com.sun.javadoc.Type getElementType() { |
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113 return null; |
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114 } |
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115 |
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116 /** |
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117 * Returns the flags in terms of javac's flags |
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118 */ |
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119 protected long getFlags() { |
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120 return getFlags(tsym); |
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121 } |
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122 |
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123 /** |
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124 * Returns the flags of a ClassSymbol in terms of javac's flags |
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125 */ |
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126 static long getFlags(ClassSymbol clazz) { |
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127 while (true) { |
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128 try { |
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129 return clazz.flags(); |
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130 } catch (CompletionFailure ex) { |
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131 /* Quietly ignore completion failures. |
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132 * Note that a CompletionFailure can only |
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133 * occur as a result of calling complete(), |
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134 * which will always remove the current |
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135 * completer, leaving it to be null or |
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136 * follow-up completer. Thus the loop |
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137 * is guaranteed to eventually terminate. |
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138 */ |
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139 } |
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140 } |
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141 } |
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142 |
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143 /** |
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144 * Is a ClassSymbol an annotation type? |
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145 */ |
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146 static boolean isAnnotationType(ClassSymbol clazz) { |
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147 return (getFlags(clazz) & Flags.ANNOTATION) != 0; |
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148 } |
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149 |
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150 /** |
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151 * Identify the containing class |
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152 */ |
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153 protected ClassSymbol getContainingClass() { |
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154 return tsym.owner.enclClass(); |
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155 } |
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156 |
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157 /** |
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158 * Return true if this is a class, not an interface. |
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159 */ |
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160 @Override |
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161 public boolean isClass() { |
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162 return !Modifier.isInterface(getModifiers()); |
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163 } |
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164 |
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165 /** |
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166 * Return true if this is a ordinary class, |
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167 * not an enumeration, exception, an error, or an interface. |
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168 */ |
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169 @Override |
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170 public boolean isOrdinaryClass() { |
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171 if (isEnum() || isInterface() || isAnnotationType()) { |
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172 return false; |
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173 } |
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174 for (Type t = type; t.hasTag(CLASS); t = env.types.supertype(t)) { |
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175 if (t.tsym == env.syms.errorType.tsym || |
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176 t.tsym == env.syms.exceptionType.tsym) { |
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177 return false; |
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178 } |
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179 } |
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180 return true; |
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181 } |
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182 |
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183 /** |
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184 * Return true if this is an enumeration. |
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185 * (For legacy doclets, return false.) |
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186 */ |
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187 @Override |
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188 public boolean isEnum() { |
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189 return (getFlags() & Flags.ENUM) != 0 |
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190 && |
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191 !env.legacyDoclet; |
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192 } |
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193 |
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194 /** |
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195 * Return true if this is an interface, but not an annotation type. |
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196 * Overridden by AnnotationTypeDocImpl. |
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197 */ |
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198 @Override |
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199 public boolean isInterface() { |
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200 return Modifier.isInterface(getModifiers()); |
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201 } |
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202 |
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203 /** |
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204 * Return true if this is an exception class |
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205 */ |
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206 @Override |
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207 public boolean isException() { |
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208 if (isEnum() || isInterface() || isAnnotationType()) { |
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209 return false; |
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210 } |
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211 for (Type t = type; t.hasTag(CLASS); t = env.types.supertype(t)) { |
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212 if (t.tsym == env.syms.exceptionType.tsym) { |
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213 return true; |
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214 } |
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215 } |
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216 return false; |
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217 } |
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218 |
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219 /** |
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220 * Return true if this is an error class |
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221 */ |
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222 @Override |
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223 public boolean isError() { |
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224 if (isEnum() || isInterface() || isAnnotationType()) { |
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225 return false; |
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226 } |
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227 for (Type t = type; t.hasTag(CLASS); t = env.types.supertype(t)) { |
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228 if (t.tsym == env.syms.errorType.tsym) { |
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229 return true; |
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230 } |
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231 } |
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232 return false; |
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233 } |
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234 |
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235 /** |
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236 * Return true if this is a throwable class |
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237 */ |
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238 public boolean isThrowable() { |
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239 if (isEnum() || isInterface() || isAnnotationType()) { |
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240 return false; |
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241 } |
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242 for (Type t = type; t.hasTag(CLASS); t = env.types.supertype(t)) { |
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243 if (t.tsym == env.syms.throwableType.tsym) { |
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244 return true; |
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245 } |
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246 } |
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247 return false; |
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248 } |
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249 |
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250 /** |
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251 * Return true if this class is abstract |
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252 */ |
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253 public boolean isAbstract() { |
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254 return Modifier.isAbstract(getModifiers()); |
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255 } |
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256 |
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257 /** |
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258 * Returns true if this class was synthesized by the compiler. |
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259 */ |
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260 public boolean isSynthetic() { |
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261 return (getFlags() & Flags.SYNTHETIC) != 0; |
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262 } |
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263 |
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264 /** |
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265 * Return true if this class is included in the active set. |
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266 * A ClassDoc is included iff either it is specified on the |
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267 * commandline, or if it's containing package is specified |
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268 * on the command line, or if it is a member class of an |
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269 * included class. |
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270 */ |
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271 |
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272 public boolean isIncluded() { |
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273 if (isIncluded) { |
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274 return true; |
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275 } |
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276 if (env.shouldDocument(tsym)) { |
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277 // Class is nameable from top-level and |
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278 // the class and all enclosing classes |
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279 // pass the modifier filter. |
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280 if (containingPackage().isIncluded()) { |
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281 return isIncluded=true; |
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282 } |
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283 ClassDoc outer = containingClass(); |
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284 if (outer != null && outer.isIncluded()) { |
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285 return isIncluded=true; |
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286 } |
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287 } |
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288 return false; |
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289 } |
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290 |
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291 /** |
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292 * Return the package that this class is contained in. |
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293 */ |
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294 @Override |
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295 public PackageDoc containingPackage() { |
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296 PackageDocImpl p = env.getPackageDoc(tsym.packge()); |
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297 if (p.setDocPath == false) { |
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298 FileObject docPath; |
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299 try { |
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300 Location location = env.fileManager.hasLocation(StandardLocation.SOURCE_PATH) |
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301 ? StandardLocation.SOURCE_PATH : StandardLocation.CLASS_PATH; |
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302 |
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303 docPath = env.fileManager.getFileForInput( |
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304 location, p.qualifiedName(), "package.html"); |
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305 } catch (IOException e) { |
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306 docPath = null; |
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307 } |
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308 |
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309 if (docPath == null) { |
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310 // fall back on older semantics of looking in same directory as |
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311 // source file for this class |
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312 SourcePosition po = position(); |
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313 if (env.fileManager instanceof StandardJavaFileManager && |
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314 po instanceof SourcePositionImpl) { |
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315 URI uri = ((SourcePositionImpl) po).filename.toUri(); |
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316 if ("file".equals(uri.getScheme())) { |
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317 File f = new File(uri); |
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318 File dir = f.getParentFile(); |
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319 if (dir != null) { |
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320 File pf = new File(dir, "package.html"); |
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321 if (pf.exists()) { |
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322 StandardJavaFileManager sfm = (StandardJavaFileManager) env.fileManager; |
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323 docPath = sfm.getJavaFileObjects(pf).iterator().next(); |
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324 } |
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325 } |
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326 |
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327 } |
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328 } |
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329 } |
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330 |
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331 p.setDocPath(docPath); |
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332 } |
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333 return p; |
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334 } |
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335 |
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336 /** |
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337 * Return the class name without package qualifier - but with |
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338 * enclosing class qualifier - as a String. |
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339 * <pre> |
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340 * Examples: |
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341 * for java.util.Hashtable |
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342 * return Hashtable |
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343 * for java.util.Map.Entry |
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344 * return Map.Entry |
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345 * </pre> |
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346 */ |
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347 public String name() { |
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348 if (name == null) { |
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349 name = getClassName(tsym, false); |
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350 } |
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351 return name; |
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352 } |
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353 |
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354 private String name; |
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355 |
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356 /** |
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357 * Return the qualified class name as a String. |
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358 * <pre> |
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359 * Example: |
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360 * for java.util.Hashtable |
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361 * return java.util.Hashtable |
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362 * if no qualifier, just return flat name |
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363 * </pre> |
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364 */ |
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365 public String qualifiedName() { |
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366 if (qualifiedName == null) { |
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367 qualifiedName = getClassName(tsym, true); |
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368 } |
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369 return qualifiedName; |
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370 } |
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371 |
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372 private String qualifiedName; |
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373 |
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374 /** |
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375 * Return unqualified name of type excluding any dimension information. |
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376 * <p> |
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377 * For example, a two dimensional array of String returns 'String'. |
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378 */ |
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379 public String typeName() { |
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380 return name(); |
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381 } |
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382 |
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383 /** |
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384 * Return qualified name of type excluding any dimension information. |
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385 *<p> |
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386 * For example, a two dimensional array of String |
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387 * returns 'java.lang.String'. |
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388 */ |
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389 public String qualifiedTypeName() { |
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390 return qualifiedName(); |
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391 } |
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392 |
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393 /** |
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394 * Return the simple name of this type. |
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395 */ |
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396 public String simpleTypeName() { |
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397 if (simpleTypeName == null) { |
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398 simpleTypeName = tsym.name.toString(); |
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399 } |
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400 return simpleTypeName; |
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401 } |
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402 |
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403 private String simpleTypeName; |
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404 |
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405 /** |
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406 * Return the qualified name and any type parameters. |
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407 * Each parameter is a type variable with optional bounds. |
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408 */ |
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409 @Override |
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410 public String toString() { |
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411 return classToString(env, tsym, true); |
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412 } |
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413 |
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414 /** |
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415 * Return the class name as a string. If "full" is true the name is |
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416 * qualified, otherwise it is qualified by its enclosing class(es) only. |
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417 */ |
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418 static String getClassName(ClassSymbol c, boolean full) { |
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419 if (full) { |
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420 return c.getQualifiedName().toString(); |
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421 } else { |
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422 String n = ""; |
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423 for ( ; c != null; c = c.owner.enclClass()) { |
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424 n = c.name + (n.equals("") ? "" : ".") + n; |
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425 } |
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426 return n; |
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427 } |
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428 } |
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429 |
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430 /** |
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431 * Return the class name with any type parameters as a string. |
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432 * Each parameter is a type variable with optional bounds. |
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433 * If "full" is true all names are qualified, otherwise they are |
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434 * qualified by their enclosing class(es) only. |
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435 */ |
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436 static String classToString(DocEnv env, ClassSymbol c, boolean full) { |
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437 StringBuilder s = new StringBuilder(); |
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438 if (!c.isInner()) { // if c is not an inner class |
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439 s.append(getClassName(c, full)); |
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440 } else { |
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441 // c is an inner class, so include type params of outer. |
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442 ClassSymbol encl = c.owner.enclClass(); |
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443 s.append(classToString(env, encl, full)) |
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444 .append('.') |
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445 .append(c.name); |
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446 } |
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447 s.append(TypeMaker.typeParametersString(env, c, full)); |
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448 return s.toString(); |
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449 } |
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450 |
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451 /** |
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452 * Is this class (or any enclosing class) generic? That is, does |
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453 * it have type parameters? |
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454 */ |
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455 static boolean isGeneric(ClassSymbol c) { |
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456 return c.type.allparams().nonEmpty(); |
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457 } |
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458 |
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459 /** |
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460 * Return the formal type parameters of this class or interface. |
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461 * Return an empty array if there are none. |
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462 */ |
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463 public TypeVariable[] typeParameters() { |
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464 if (env.legacyDoclet) { |
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465 return new TypeVariable[0]; |
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466 } |
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467 TypeVariable res[] = new TypeVariable[type.getTypeArguments().length()]; |
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468 TypeMaker.getTypes(env, type.getTypeArguments(), res); |
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469 return res; |
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470 } |
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471 |
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472 /** |
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473 * Return the type parameter tags of this class or interface. |
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474 */ |
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475 public ParamTag[] typeParamTags() { |
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476 return (env.legacyDoclet) |
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477 ? new ParamTag[0] |
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478 : comment().typeParamTags(); |
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479 } |
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480 |
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481 /** |
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482 * Return the modifier string for this class. If it's an interface |
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483 * exclude 'abstract' keyword from the modifier string |
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484 */ |
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485 @Override |
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486 public String modifiers() { |
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487 return Modifier.toString(modifierSpecifier()); |
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488 } |
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489 |
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490 @Override |
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491 public int modifierSpecifier() { |
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492 int modifiers = getModifiers(); |
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493 return (isInterface() || isAnnotationType()) |
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494 ? modifiers & ~Modifier.ABSTRACT |
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495 : modifiers; |
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496 } |
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497 |
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498 /** |
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499 * Return the superclass of this class |
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500 * |
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501 * @return the ClassDocImpl for the superclass of this class, null |
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502 * if there is no superclass. |
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503 */ |
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504 public ClassDoc superclass() { |
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505 if (isInterface() || isAnnotationType()) return null; |
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506 if (tsym == env.syms.objectType.tsym) return null; |
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507 ClassSymbol c = (ClassSymbol)env.types.supertype(type).tsym; |
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508 if (c == null || c == tsym) c = (ClassSymbol)env.syms.objectType.tsym; |
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509 return env.getClassDoc(c); |
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510 } |
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511 |
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512 /** |
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513 * Return the superclass of this class. Return null if this is an |
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514 * interface. A superclass is represented by either a |
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515 * <code>ClassDoc</code> or a <code>ParameterizedType</code>. |
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516 */ |
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517 public com.sun.javadoc.Type superclassType() { |
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518 if (isInterface() || isAnnotationType() || |
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519 (tsym == env.syms.objectType.tsym)) |
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520 return null; |
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521 Type sup = env.types.supertype(type); |
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522 return TypeMaker.getType(env, |
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523 (sup.hasTag(TypeTag.NONE)) ? env.syms.objectType : sup); |
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524 } |
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525 |
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526 /** |
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527 * Test whether this class is a subclass of the specified class. |
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528 * |
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529 * @param cd the candidate superclass. |
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530 * @return true if cd is a superclass of this class. |
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531 */ |
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532 public boolean subclassOf(ClassDoc cd) { |
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533 return tsym.isSubClass(((ClassDocImpl)cd).tsym, env.types); |
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534 } |
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535 |
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536 /** |
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537 * Return interfaces implemented by this class or interfaces |
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538 * extended by this interface. |
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539 * |
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540 * @return An array of ClassDocImpl representing the interfaces. |
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541 * Return an empty array if there are no interfaces. |
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542 */ |
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543 public ClassDoc[] interfaces() { |
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544 ListBuffer<ClassDocImpl> ta = new ListBuffer<ClassDocImpl>(); |
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545 for (Type t : env.types.interfaces(type)) { |
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546 ta.append(env.getClassDoc((ClassSymbol)t.tsym)); |
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547 } |
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548 //### Cache ta here? |
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549 return ta.toArray(new ClassDocImpl[ta.length()]); |
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550 } |
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551 |
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552 /** |
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553 * Return interfaces implemented by this class or interfaces extended |
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554 * by this interface. Includes only directly-declared interfaces, not |
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555 * inherited interfaces. |
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556 * Return an empty array if there are no interfaces. |
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557 */ |
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558 public com.sun.javadoc.Type[] interfaceTypes() { |
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559 //### Cache result here? |
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560 return TypeMaker.getTypes(env, env.types.interfaces(type)); |
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561 } |
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562 |
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563 /** |
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564 * Return fields in class. |
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565 * @param filter include only the included fields if filter==true |
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566 */ |
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567 public FieldDoc[] fields(boolean filter) { |
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568 return fields(filter, false); |
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569 } |
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570 |
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571 /** |
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572 * Return included fields in class. |
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573 */ |
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574 public FieldDoc[] fields() { |
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575 return fields(true, false); |
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576 } |
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577 |
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578 /** |
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579 * Return the enum constants if this is an enum type. |
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580 */ |
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581 public FieldDoc[] enumConstants() { |
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582 return fields(false, true); |
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583 } |
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584 |
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585 /** |
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586 * Return fields in class. |
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587 * @param filter if true, return only the included fields |
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588 * @param enumConstants if true, return the enum constants instead |
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589 */ |
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590 private FieldDoc[] fields(boolean filter, boolean enumConstants) { |
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591 List<FieldDocImpl> fields = List.nil(); |
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592 for (Scope.Entry e = tsym.members().elems; e != null; e = e.sibling) { |
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593 if (e.sym != null && e.sym.kind == VAR) { |
|
594 VarSymbol s = (VarSymbol)e.sym; |
|
595 boolean isEnum = ((s.flags() & Flags.ENUM) != 0) && |
|
596 !env.legacyDoclet; |
|
597 if (isEnum == enumConstants && |
|
598 (!filter || env.shouldDocument(s))) { |
|
599 fields = fields.prepend(env.getFieldDoc(s)); |
|
600 } |
|
601 } |
|
602 } |
|
603 return fields.toArray(new FieldDocImpl[fields.length()]); |
|
604 } |
|
605 |
|
606 /** |
|
607 * Return methods in class. |
|
608 * This method is overridden by AnnotationTypeDocImpl. |
|
609 * |
|
610 * @param filter include only the included methods if filter==true |
|
611 * @return an array of MethodDocImpl for representing the visible |
|
612 * methods in this class. Does not include constructors. |
|
613 */ |
|
614 public MethodDoc[] methods(boolean filter) { |
|
615 Names names = tsym.name.table.names; |
|
616 List<MethodDocImpl> methods = List.nil(); |
|
617 for (Scope.Entry e = tsym.members().elems; e != null; e = e.sibling) { |
|
618 if (e.sym != null |
|
619 && e.sym.kind == Kinds.MTH |
|
620 && e.sym.name != names.init |
|
621 && e.sym.name != names.clinit) { |
|
622 MethodSymbol s = (MethodSymbol)e.sym; |
|
623 if (!filter || env.shouldDocument(s)) { |
|
624 methods = methods.prepend(env.getMethodDoc(s)); |
|
625 } |
|
626 } |
|
627 } |
|
628 //### Cache methods here? |
|
629 return methods.toArray(new MethodDocImpl[methods.length()]); |
|
630 } |
|
631 |
|
632 /** |
|
633 * Return included methods in class. |
|
634 * |
|
635 * @return an array of MethodDocImpl for representing the visible |
|
636 * methods in this class. Does not include constructors. |
|
637 */ |
|
638 public MethodDoc[] methods() { |
|
639 return methods(true); |
|
640 } |
|
641 |
|
642 /** |
|
643 * Return constructors in class. |
|
644 * |
|
645 * @param filter include only the included constructors if filter==true |
|
646 * @return an array of ConstructorDocImpl for representing the visible |
|
647 * constructors in this class. |
|
648 */ |
|
649 public ConstructorDoc[] constructors(boolean filter) { |
|
650 Names names = tsym.name.table.names; |
|
651 List<ConstructorDocImpl> constructors = List.nil(); |
|
652 for (Scope.Entry e = tsym.members().elems; e != null; e = e.sibling) { |
|
653 if (e.sym != null && |
|
654 e.sym.kind == Kinds.MTH && e.sym.name == names.init) { |
|
655 MethodSymbol s = (MethodSymbol)e.sym; |
|
656 if (!filter || env.shouldDocument(s)) { |
|
657 constructors = constructors.prepend(env.getConstructorDoc(s)); |
|
658 } |
|
659 } |
|
660 } |
|
661 //### Cache constructors here? |
|
662 return constructors.toArray(new ConstructorDocImpl[constructors.length()]); |
|
663 } |
|
664 |
|
665 /** |
|
666 * Return included constructors in class. |
|
667 * |
|
668 * @return an array of ConstructorDocImpl for representing the visible |
|
669 * constructors in this class. |
|
670 */ |
|
671 public ConstructorDoc[] constructors() { |
|
672 return constructors(true); |
|
673 } |
|
674 |
|
675 /** |
|
676 * Adds all inner classes of this class, and their |
|
677 * inner classes recursively, to the list l. |
|
678 */ |
|
679 void addAllClasses(ListBuffer<ClassDocImpl> l, boolean filtered) { |
|
680 try { |
|
681 if (isSynthetic()) return; |
|
682 // sometimes synthetic classes are not marked synthetic |
|
683 if (!JavadocTool.isValidClassName(tsym.name.toString())) return; |
|
684 if (filtered && !env.shouldDocument(tsym)) return; |
|
685 if (l.contains(this)) return; |
|
686 l.append(this); |
|
687 List<ClassDocImpl> more = List.nil(); |
|
688 for (Scope.Entry e = tsym.members().elems; e != null; |
|
689 e = e.sibling) { |
|
690 if (e.sym != null && e.sym.kind == Kinds.TYP) { |
|
691 ClassSymbol s = (ClassSymbol)e.sym; |
|
692 ClassDocImpl c = env.getClassDoc(s); |
|
693 if (c.isSynthetic()) continue; |
|
694 if (c != null) more = more.prepend(c); |
|
695 } |
|
696 } |
|
697 // this extra step preserves the ordering from oldjavadoc |
|
698 for (; more.nonEmpty(); more=more.tail) { |
|
699 more.head.addAllClasses(l, filtered); |
|
700 } |
|
701 } catch (CompletionFailure e) { |
|
702 // quietly ignore completion failures |
|
703 } |
|
704 } |
|
705 |
|
706 /** |
|
707 * Return inner classes within this class. |
|
708 * |
|
709 * @param filter include only the included inner classes if filter==true. |
|
710 * @return an array of ClassDocImpl for representing the visible |
|
711 * classes defined in this class. Anonymous and local classes |
|
712 * are not included. |
|
713 */ |
|
714 public ClassDoc[] innerClasses(boolean filter) { |
|
715 ListBuffer<ClassDocImpl> innerClasses = new ListBuffer<ClassDocImpl>(); |
|
716 for (Scope.Entry e = tsym.members().elems; e != null; e = e.sibling) { |
|
717 if (e.sym != null && e.sym.kind == Kinds.TYP) { |
|
718 ClassSymbol s = (ClassSymbol)e.sym; |
|
719 if ((s.flags_field & Flags.SYNTHETIC) != 0) continue; |
|
720 if (!filter || env.isVisible(s)) { |
|
721 innerClasses.prepend(env.getClassDoc(s)); |
|
722 } |
|
723 } |
|
724 } |
|
725 //### Cache classes here? |
|
726 return innerClasses.toArray(new ClassDocImpl[innerClasses.length()]); |
|
727 } |
|
728 |
|
729 /** |
|
730 * Return included inner classes within this class. |
|
731 * |
|
732 * @return an array of ClassDocImpl for representing the visible |
|
733 * classes defined in this class. Anonymous and local classes |
|
734 * are not included. |
|
735 */ |
|
736 public ClassDoc[] innerClasses() { |
|
737 return innerClasses(true); |
|
738 } |
|
739 |
|
740 /** |
|
741 * Find a class within the context of this class. |
|
742 * Search order: qualified name, in this class (inner), |
|
743 * in this package, in the class imports, in the package |
|
744 * imports. |
|
745 * Return the ClassDocImpl if found, null if not found. |
|
746 */ |
|
747 //### The specified search order is not the normal rule the |
|
748 //### compiler would use. Leave as specified or change it? |
|
749 public ClassDoc findClass(String className) { |
|
750 ClassDoc searchResult = searchClass(className); |
|
751 if (searchResult == null) { |
|
752 ClassDocImpl enclosingClass = (ClassDocImpl)containingClass(); |
|
753 //Expand search space to include enclosing class. |
|
754 while (enclosingClass != null && enclosingClass.containingClass() != null) { |
|
755 enclosingClass = (ClassDocImpl)enclosingClass.containingClass(); |
|
756 } |
|
757 searchResult = enclosingClass == null ? |
|
758 null : enclosingClass.searchClass(className); |
|
759 } |
|
760 return searchResult; |
|
761 } |
|
762 |
|
763 private ClassDoc searchClass(String className) { |
|
764 Names names = tsym.name.table.names; |
|
765 |
|
766 // search by qualified name first |
|
767 ClassDoc cd = env.lookupClass(className); |
|
768 if (cd != null) { |
|
769 return cd; |
|
770 } |
|
771 |
|
772 // search inner classes |
|
773 //### Add private entry point to avoid creating array? |
|
774 //### Replicate code in innerClasses here to avoid consing? |
|
775 for (ClassDoc icd : innerClasses()) { |
|
776 if (icd.name().equals(className) || |
|
777 //### This is from original javadoc but it looks suspicious to me... |
|
778 //### I believe it is attempting to compensate for the confused |
|
779 //### convention of including the nested class qualifiers in the |
|
780 //### 'name' of the inner class, rather than the true simple name. |
|
781 icd.name().endsWith("." + className)) { |
|
782 return icd; |
|
783 } else { |
|
784 ClassDoc innercd = ((ClassDocImpl) icd).searchClass(className); |
|
785 if (innercd != null) { |
|
786 return innercd; |
|
787 } |
|
788 } |
|
789 } |
|
790 |
|
791 // check in this package |
|
792 cd = containingPackage().findClass(className); |
|
793 if (cd != null) { |
|
794 return cd; |
|
795 } |
|
796 |
|
797 // make sure that this symbol has been completed |
|
798 if (tsym.completer != null) { |
|
799 tsym.complete(); |
|
800 } |
|
801 |
|
802 // search imports |
|
803 |
|
804 if (tsym.sourcefile != null) { |
|
805 |
|
806 //### This information is available only for source classes. |
|
807 |
|
808 Env<AttrContext> compenv = env.enter.getEnv(tsym); |
|
809 if (compenv == null) return null; |
|
810 |
|
811 Scope s = compenv.toplevel.namedImportScope; |
|
812 for (Scope.Entry e = s.lookup(names.fromString(className)); e.scope != null; e = e.next()) { |
|
813 if (e.sym.kind == Kinds.TYP) { |
|
814 ClassDoc c = env.getClassDoc((ClassSymbol)e.sym); |
|
815 return c; |
|
816 } |
|
817 } |
|
818 |
|
819 s = compenv.toplevel.starImportScope; |
|
820 for (Scope.Entry e = s.lookup(names.fromString(className)); e.scope != null; e = e.next()) { |
|
821 if (e.sym.kind == Kinds.TYP) { |
|
822 ClassDoc c = env.getClassDoc((ClassSymbol)e.sym); |
|
823 return c; |
|
824 } |
|
825 } |
|
826 } |
|
827 |
|
828 return null; // not found |
|
829 } |
|
830 |
|
831 |
|
832 private boolean hasParameterTypes(MethodSymbol method, String[] argTypes) { |
|
833 |
|
834 if (argTypes == null) { |
|
835 // wildcard |
|
836 return true; |
|
837 } |
|
838 |
|
839 int i = 0; |
|
840 List<Type> types = method.type.getParameterTypes(); |
|
841 |
|
842 if (argTypes.length != types.length()) { |
|
843 return false; |
|
844 } |
|
845 |
|
846 for (Type t : types) { |
|
847 String argType = argTypes[i++]; |
|
848 // For vararg method, "T..." matches type T[]. |
|
849 if (i == argTypes.length) { |
|
850 argType = argType.replace("...", "[]"); |
|
851 } |
|
852 if (!hasTypeName(env.types.erasure(t), argType)) { //###(gj) |
|
853 return false; |
|
854 } |
|
855 } |
|
856 return true; |
|
857 } |
|
858 // where |
|
859 private boolean hasTypeName(Type t, String name) { |
|
860 return |
|
861 name.equals(TypeMaker.getTypeName(t, true)) |
|
862 || |
|
863 name.equals(TypeMaker.getTypeName(t, false)) |
|
864 || |
|
865 (qualifiedName() + "." + name).equals(TypeMaker.getTypeName(t, true)); |
|
866 } |
|
867 |
|
868 |
|
869 |
|
870 /** |
|
871 * Find a method in this class scope. |
|
872 * Search order: this class, interfaces, superclasses, outerclasses. |
|
873 * Note that this is not necessarily what the compiler would do! |
|
874 * |
|
875 * @param methodName the unqualified name to search for. |
|
876 * @param paramTypes the array of Strings for method parameter types. |
|
877 * @return the first MethodDocImpl which matches, null if not found. |
|
878 */ |
|
879 public MethodDocImpl findMethod(String methodName, String[] paramTypes) { |
|
880 // Use hash table 'searched' to avoid searching same class twice. |
|
881 //### It is not clear how this could happen. |
|
882 return searchMethod(methodName, paramTypes, new HashSet<ClassDocImpl>()); |
|
883 } |
|
884 |
|
885 private MethodDocImpl searchMethod(String methodName, |
|
886 String[] paramTypes, Set<ClassDocImpl> searched) { |
|
887 //### Note that this search is not necessarily what the compiler would do! |
|
888 |
|
889 Names names = tsym.name.table.names; |
|
890 // do not match constructors |
|
891 if (names.init.contentEquals(methodName)) { |
|
892 return null; |
|
893 } |
|
894 |
|
895 ClassDocImpl cdi; |
|
896 MethodDocImpl mdi; |
|
897 |
|
898 if (searched.contains(this)) { |
|
899 return null; |
|
900 } |
|
901 searched.add(this); |
|
902 |
|
903 //DEBUG |
|
904 /*---------------------------------* |
|
905 System.out.print("searching " + this + " for " + methodName); |
|
906 if (paramTypes == null) { |
|
907 System.out.println("()"); |
|
908 } else { |
|
909 System.out.print("("); |
|
910 for (int k=0; k < paramTypes.length; k++) { |
|
911 System.out.print(paramTypes[k]); |
|
912 if ((k + 1) < paramTypes.length) { |
|
913 System.out.print(", "); |
|
914 } |
|
915 } |
|
916 System.out.println(")"); |
|
917 } |
|
918 *---------------------------------*/ |
|
919 |
|
920 // search current class |
|
921 Scope.Entry e = tsym.members().lookup(names.fromString(methodName)); |
|
922 |
|
923 //### Using modifier filter here isn't really correct, |
|
924 //### but emulates the old behavior. Instead, we should |
|
925 //### apply the normal rules of visibility and inheritance. |
|
926 |
|
927 if (paramTypes == null) { |
|
928 // If no parameters specified, we are allowed to return |
|
929 // any method with a matching name. In practice, the old |
|
930 // code returned the first method, which is now the last! |
|
931 // In order to provide textually identical results, we |
|
932 // attempt to emulate the old behavior. |
|
933 MethodSymbol lastFound = null; |
|
934 for (; e.scope != null; e = e.next()) { |
|
935 if (e.sym.kind == Kinds.MTH) { |
|
936 //### Should intern methodName as Name. |
|
937 if (e.sym.name.toString().equals(methodName)) { |
|
938 lastFound = (MethodSymbol)e.sym; |
|
939 } |
|
940 } |
|
941 } |
|
942 if (lastFound != null) { |
|
943 return env.getMethodDoc(lastFound); |
|
944 } |
|
945 } else { |
|
946 for (; e.scope != null; e = e.next()) { |
|
947 if (e.sym != null && |
|
948 e.sym.kind == Kinds.MTH) { |
|
949 //### Should intern methodName as Name. |
|
950 if (hasParameterTypes((MethodSymbol)e.sym, paramTypes)) { |
|
951 return env.getMethodDoc((MethodSymbol)e.sym); |
|
952 } |
|
953 } |
|
954 } |
|
955 } |
|
956 |
|
957 //### If we found a MethodDoc above, but which did not pass |
|
958 //### the modifier filter, we should return failure here! |
|
959 |
|
960 // search superclass |
|
961 cdi = (ClassDocImpl)superclass(); |
|
962 if (cdi != null) { |
|
963 mdi = cdi.searchMethod(methodName, paramTypes, searched); |
|
964 if (mdi != null) { |
|
965 return mdi; |
|
966 } |
|
967 } |
|
968 |
|
969 // search interfaces |
|
970 ClassDoc intf[] = interfaces(); |
|
971 for (int i = 0; i < intf.length; i++) { |
|
972 cdi = (ClassDocImpl)intf[i]; |
|
973 mdi = cdi.searchMethod(methodName, paramTypes, searched); |
|
974 if (mdi != null) { |
|
975 return mdi; |
|
976 } |
|
977 } |
|
978 |
|
979 // search enclosing class |
|
980 cdi = (ClassDocImpl)containingClass(); |
|
981 if (cdi != null) { |
|
982 mdi = cdi.searchMethod(methodName, paramTypes, searched); |
|
983 if (mdi != null) { |
|
984 return mdi; |
|
985 } |
|
986 } |
|
987 |
|
988 //###(gj) As a temporary measure until type variables are better |
|
989 //### handled, try again without the parameter types. |
|
990 //### This should most often find the right method, and occassionally |
|
991 //### find the wrong one. |
|
992 //if (paramTypes != null) { |
|
993 // return findMethod(methodName, null); |
|
994 //} |
|
995 |
|
996 return null; |
|
997 } |
|
998 |
|
999 /** |
|
1000 * Find constructor in this class. |
|
1001 * |
|
1002 * @param constrName the unqualified name to search for. |
|
1003 * @param paramTypes the array of Strings for constructor parameters. |
|
1004 * @return the first ConstructorDocImpl which matches, null if not found. |
|
1005 */ |
|
1006 public ConstructorDoc findConstructor(String constrName, |
|
1007 String[] paramTypes) { |
|
1008 Names names = tsym.name.table.names; |
|
1009 for (Scope.Entry e = tsym.members().lookup(names.fromString("<init>")); e.scope != null; e = e.next()) { |
|
1010 if (e.sym.kind == Kinds.MTH) { |
|
1011 if (hasParameterTypes((MethodSymbol)e.sym, paramTypes)) { |
|
1012 return env.getConstructorDoc((MethodSymbol)e.sym); |
|
1013 } |
|
1014 } |
|
1015 } |
|
1016 |
|
1017 //###(gj) As a temporary measure until type variables are better |
|
1018 //### handled, try again without the parameter types. |
|
1019 //### This will often find the right constructor, and occassionally |
|
1020 //### find the wrong one. |
|
1021 //if (paramTypes != null) { |
|
1022 // return findConstructor(constrName, null); |
|
1023 //} |
|
1024 |
|
1025 return null; |
|
1026 } |
|
1027 |
|
1028 /** |
|
1029 * Find a field in this class scope. |
|
1030 * Search order: this class, outerclasses, interfaces, |
|
1031 * superclasses. IMP: If see tag is defined in an inner class, |
|
1032 * which extends a super class and if outerclass and the super |
|
1033 * class have a visible field in common then Java compiler cribs |
|
1034 * about the ambiguity, but the following code will search in the |
|
1035 * above given search order. |
|
1036 * |
|
1037 * @param fieldName the unqualified name to search for. |
|
1038 * @return the first FieldDocImpl which matches, null if not found. |
|
1039 */ |
|
1040 public FieldDoc findField(String fieldName) { |
|
1041 return searchField(fieldName, new HashSet<ClassDocImpl>()); |
|
1042 } |
|
1043 |
|
1044 private FieldDocImpl searchField(String fieldName, Set<ClassDocImpl> searched) { |
|
1045 Names names = tsym.name.table.names; |
|
1046 if (searched.contains(this)) { |
|
1047 return null; |
|
1048 } |
|
1049 searched.add(this); |
|
1050 |
|
1051 for (Scope.Entry e = tsym.members().lookup(names.fromString(fieldName)); e.scope != null; e = e.next()) { |
|
1052 if (e.sym.kind == Kinds.VAR) { |
|
1053 //### Should intern fieldName as Name. |
|
1054 return env.getFieldDoc((VarSymbol)e.sym); |
|
1055 } |
|
1056 } |
|
1057 |
|
1058 //### If we found a FieldDoc above, but which did not pass |
|
1059 //### the modifier filter, we should return failure here! |
|
1060 |
|
1061 ClassDocImpl cdi = (ClassDocImpl)containingClass(); |
|
1062 if (cdi != null) { |
|
1063 FieldDocImpl fdi = cdi.searchField(fieldName, searched); |
|
1064 if (fdi != null) { |
|
1065 return fdi; |
|
1066 } |
|
1067 } |
|
1068 |
|
1069 // search superclass |
|
1070 cdi = (ClassDocImpl)superclass(); |
|
1071 if (cdi != null) { |
|
1072 FieldDocImpl fdi = cdi.searchField(fieldName, searched); |
|
1073 if (fdi != null) { |
|
1074 return fdi; |
|
1075 } |
|
1076 } |
|
1077 |
|
1078 // search interfaces |
|
1079 ClassDoc intf[] = interfaces(); |
|
1080 for (int i = 0; i < intf.length; i++) { |
|
1081 cdi = (ClassDocImpl)intf[i]; |
|
1082 FieldDocImpl fdi = cdi.searchField(fieldName, searched); |
|
1083 if (fdi != null) { |
|
1084 return fdi; |
|
1085 } |
|
1086 } |
|
1087 |
|
1088 return null; |
|
1089 } |
|
1090 |
|
1091 /** |
|
1092 * Get the list of classes declared as imported. |
|
1093 * These are called "single-type-import declarations" in the JLS. |
|
1094 * This method is deprecated in the ClassDoc interface. |
|
1095 * |
|
1096 * @return an array of ClassDocImpl representing the imported classes. |
|
1097 * |
|
1098 * @deprecated Import declarations are implementation details that |
|
1099 * should not be exposed here. In addition, not all imported |
|
1100 * classes are imported through single-type-import declarations. |
|
1101 */ |
|
1102 @Deprecated |
|
1103 public ClassDoc[] importedClasses() { |
|
1104 // information is not available for binary classfiles |
|
1105 if (tsym.sourcefile == null) return new ClassDoc[0]; |
|
1106 |
|
1107 ListBuffer<ClassDocImpl> importedClasses = new ListBuffer<ClassDocImpl>(); |
|
1108 |
|
1109 Env<AttrContext> compenv = env.enter.getEnv(tsym); |
|
1110 if (compenv == null) return new ClassDocImpl[0]; |
|
1111 |
|
1112 Name asterisk = tsym.name.table.names.asterisk; |
|
1113 for (JCTree t : compenv.toplevel.defs) { |
|
1114 if (t.hasTag(IMPORT)) { |
|
1115 JCTree imp = ((JCImport) t).qualid; |
|
1116 if ((TreeInfo.name(imp) != asterisk) && |
|
1117 (imp.type.tsym.kind & Kinds.TYP) != 0) { |
|
1118 importedClasses.append( |
|
1119 env.getClassDoc((ClassSymbol)imp.type.tsym)); |
|
1120 } |
|
1121 } |
|
1122 } |
|
1123 |
|
1124 return importedClasses.toArray(new ClassDocImpl[importedClasses.length()]); |
|
1125 } |
|
1126 |
|
1127 /** |
|
1128 * Get the list of packages declared as imported. |
|
1129 * These are called "type-import-on-demand declarations" in the JLS. |
|
1130 * This method is deprecated in the ClassDoc interface. |
|
1131 * |
|
1132 * @return an array of PackageDocImpl representing the imported packages. |
|
1133 * |
|
1134 * ###NOTE: the syntax supports importing all inner classes from a class as well. |
|
1135 * @deprecated Import declarations are implementation details that |
|
1136 * should not be exposed here. In addition, this method's |
|
1137 * return type does not allow for all type-import-on-demand |
|
1138 * declarations to be returned. |
|
1139 */ |
|
1140 @Deprecated |
|
1141 public PackageDoc[] importedPackages() { |
|
1142 // information is not available for binary classfiles |
|
1143 if (tsym.sourcefile == null) return new PackageDoc[0]; |
|
1144 |
|
1145 ListBuffer<PackageDocImpl> importedPackages = new ListBuffer<PackageDocImpl>(); |
|
1146 |
|
1147 //### Add the implicit "import java.lang.*" to the result |
|
1148 Names names = tsym.name.table.names; |
|
1149 importedPackages.append(env.getPackageDoc(env.reader.enterPackage(names.java_lang))); |
|
1150 |
|
1151 Env<AttrContext> compenv = env.enter.getEnv(tsym); |
|
1152 if (compenv == null) return new PackageDocImpl[0]; |
|
1153 |
|
1154 for (JCTree t : compenv.toplevel.defs) { |
|
1155 if (t.hasTag(IMPORT)) { |
|
1156 JCTree imp = ((JCImport) t).qualid; |
|
1157 if (TreeInfo.name(imp) == names.asterisk) { |
|
1158 JCFieldAccess sel = (JCFieldAccess)imp; |
|
1159 Symbol s = sel.selected.type.tsym; |
|
1160 PackageDocImpl pdoc = env.getPackageDoc(s.packge()); |
|
1161 if (!importedPackages.contains(pdoc)) |
|
1162 importedPackages.append(pdoc); |
|
1163 } |
|
1164 } |
|
1165 } |
|
1166 |
|
1167 return importedPackages.toArray(new PackageDocImpl[importedPackages.length()]); |
|
1168 } |
|
1169 |
|
1170 /** |
|
1171 * Return the type's dimension information. |
|
1172 * Always return "", as this is not an array type. |
|
1173 */ |
|
1174 public String dimension() { |
|
1175 return ""; |
|
1176 } |
|
1177 |
|
1178 /** |
|
1179 * Return this type as a class, which it already is. |
|
1180 */ |
|
1181 public ClassDoc asClassDoc() { |
|
1182 return this; |
|
1183 } |
|
1184 |
|
1185 /** |
|
1186 * Return null (unless overridden), as this is not an annotation type. |
|
1187 */ |
|
1188 public AnnotationTypeDoc asAnnotationTypeDoc() { |
|
1189 return null; |
|
1190 } |
|
1191 |
|
1192 /** |
|
1193 * Return null, as this is not a class instantiation. |
|
1194 */ |
|
1195 public ParameterizedType asParameterizedType() { |
|
1196 return null; |
|
1197 } |
|
1198 |
|
1199 /** |
|
1200 * Return null, as this is not a type variable. |
|
1201 */ |
|
1202 public TypeVariable asTypeVariable() { |
|
1203 return null; |
|
1204 } |
|
1205 |
|
1206 /** |
|
1207 * Return null, as this is not a wildcard type. |
|
1208 */ |
|
1209 public WildcardType asWildcardType() { |
|
1210 return null; |
|
1211 } |
|
1212 |
|
1213 /** |
|
1214 * Returns null, as this is not an annotated type. |
|
1215 */ |
|
1216 public AnnotatedType asAnnotatedType() { |
|
1217 return null; |
|
1218 } |
|
1219 |
|
1220 /** |
|
1221 * Return false, as this is not a primitive type. |
|
1222 */ |
|
1223 public boolean isPrimitive() { |
|
1224 return false; |
|
1225 } |
|
1226 |
|
1227 //--- Serialization --- |
|
1228 |
|
1229 //### These methods ignore modifier filter. |
|
1230 |
|
1231 /** |
|
1232 * Return true if this class implements <code>java.io.Serializable</code>. |
|
1233 * |
|
1234 * Since <code>java.io.Externalizable</code> extends |
|
1235 * <code>java.io.Serializable</code>, |
|
1236 * Externalizable objects are also Serializable. |
|
1237 */ |
|
1238 public boolean isSerializable() { |
|
1239 try { |
|
1240 return env.types.isSubtype(type, env.syms.serializableType); |
|
1241 } catch (CompletionFailure ex) { |
|
1242 // quietly ignore completion failures |
|
1243 return false; |
|
1244 } |
|
1245 } |
|
1246 |
|
1247 /** |
|
1248 * Return true if this class implements |
|
1249 * <code>java.io.Externalizable</code>. |
|
1250 */ |
|
1251 public boolean isExternalizable() { |
|
1252 try { |
|
1253 return env.types.isSubtype(type, env.externalizableSym.type); |
|
1254 } catch (CompletionFailure ex) { |
|
1255 // quietly ignore completion failures |
|
1256 return false; |
|
1257 } |
|
1258 } |
|
1259 |
|
1260 /** |
|
1261 * Return the serialization methods for this class. |
|
1262 * |
|
1263 * @return an array of <code>MethodDocImpl</code> that represents |
|
1264 * the serialization methods for this class. |
|
1265 */ |
|
1266 public MethodDoc[] serializationMethods() { |
|
1267 if (serializedForm == null) { |
|
1268 serializedForm = new SerializedForm(env, tsym, this); |
|
1269 } |
|
1270 //### Clone this? |
|
1271 return serializedForm.methods(); |
|
1272 } |
|
1273 |
|
1274 /** |
|
1275 * Return the Serializable fields of class.<p> |
|
1276 * |
|
1277 * Return either a list of default fields documented by |
|
1278 * <code>serial</code> tag<br> |
|
1279 * or return a single <code>FieldDoc</code> for |
|
1280 * <code>serialPersistentField</code> member. |
|
1281 * There should be a <code>serialField</code> tag for |
|
1282 * each Serializable field defined by an <code>ObjectStreamField</code> |
|
1283 * array component of <code>serialPersistentField</code>. |
|
1284 * |
|
1285 * @returns an array of <code>FieldDoc</code> for the Serializable fields |
|
1286 * of this class. |
|
1287 * |
|
1288 * @see #definesSerializableFields() |
|
1289 * @see SerialFieldTagImpl |
|
1290 */ |
|
1291 public FieldDoc[] serializableFields() { |
|
1292 if (serializedForm == null) { |
|
1293 serializedForm = new SerializedForm(env, tsym, this); |
|
1294 } |
|
1295 //### Clone this? |
|
1296 return serializedForm.fields(); |
|
1297 } |
|
1298 |
|
1299 /** |
|
1300 * Return true if Serializable fields are explicitly defined with |
|
1301 * the special class member <code>serialPersistentFields</code>. |
|
1302 * |
|
1303 * @see #serializableFields() |
|
1304 * @see SerialFieldTagImpl |
|
1305 */ |
|
1306 public boolean definesSerializableFields() { |
|
1307 if (!isSerializable() || isExternalizable()) { |
|
1308 return false; |
|
1309 } else { |
|
1310 if (serializedForm == null) { |
|
1311 serializedForm = new SerializedForm(env, tsym, this); |
|
1312 } |
|
1313 //### Clone this? |
|
1314 return serializedForm.definesSerializableFields(); |
|
1315 } |
|
1316 } |
|
1317 |
|
1318 /** |
|
1319 * Determine if a class is a RuntimeException. |
|
1320 * <p> |
|
1321 * Used only by ThrowsTagImpl. |
|
1322 */ |
|
1323 boolean isRuntimeException() { |
|
1324 return tsym.isSubClass(env.syms.runtimeExceptionType.tsym, env.types); |
|
1325 } |
|
1326 |
|
1327 /** |
|
1328 * Return the source position of the entity, or null if |
|
1329 * no position is available. |
|
1330 */ |
|
1331 @Override |
|
1332 public SourcePosition position() { |
|
1333 if (tsym.sourcefile == null) return null; |
|
1334 return SourcePositionImpl.make(tsym.sourcefile, |
|
1335 (tree==null) ? Position.NOPOS : tree.pos, |
|
1336 lineMap); |
|
1337 } |
|
1338 } |