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1 /* |
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2 * Copyright 1997-2005 Sun Microsystems, Inc. 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. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 |
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26 package com.sun.tools.doclets.formats.html; |
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27 |
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28 import com.sun.javadoc.*; |
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29 |
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30 /** |
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31 * Print method and constructor info. |
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32 * |
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33 * @author Robert Field |
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34 * @author Atul M Dambalkar |
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35 */ |
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36 public abstract class AbstractExecutableMemberWriter extends AbstractMemberWriter { |
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37 |
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38 public AbstractExecutableMemberWriter(SubWriterHolderWriter writer, |
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39 ClassDoc classdoc) { |
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40 super(writer, classdoc); |
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41 } |
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42 |
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43 public AbstractExecutableMemberWriter(SubWriterHolderWriter writer) { |
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44 super(writer); |
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45 } |
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46 |
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47 /** |
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48 * Write the type parameters for the executable member. |
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49 * |
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50 * @param member the member to write type parameters for. |
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51 * @return the display length required to write this information. |
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52 */ |
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53 protected int writeTypeParameters(ExecutableMemberDoc member) { |
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54 LinkInfoImpl linkInfo = new LinkInfoImpl( |
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55 LinkInfoImpl.CONTEXT_MEMBER_TYPE_PARAMS, member, false); |
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56 String typeParameters = writer.getTypeParameterLinks(linkInfo); |
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57 if (linkInfo.displayLength > 0) { |
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58 writer.print(typeParameters + " "); |
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59 writer.displayLength += linkInfo.displayLength + 1; |
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60 } |
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61 return linkInfo.displayLength; |
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62 } |
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63 |
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64 protected void writeSignature(ExecutableMemberDoc member) { |
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65 writer.displayLength = 0; |
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66 writer.pre(); |
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67 writer.writeAnnotationInfo(member); |
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68 printModifiers(member); |
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69 writeTypeParameters(member); |
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70 if (configuration().linksource && |
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71 member.position().line() != classdoc.position().line()) { |
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72 writer.printSrcLink(member, member.name()); |
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73 } else { |
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74 bold(member.name()); |
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75 } |
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76 writeParameters(member); |
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77 writeExceptions(member); |
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78 writer.preEnd(); |
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79 } |
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80 |
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81 protected void writeDeprecatedLink(ProgramElementDoc member) { |
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82 ExecutableMemberDoc emd = (ExecutableMemberDoc)member; |
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83 writer.printDocLink(LinkInfoImpl.CONTEXT_MEMBER, (MemberDoc) emd, |
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84 emd.qualifiedName() + emd.flatSignature(), false); |
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85 } |
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86 |
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87 protected void writeSummaryLink(int context, ClassDoc cd, ProgramElementDoc member) { |
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88 ExecutableMemberDoc emd = (ExecutableMemberDoc)member; |
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89 String name = emd.name(); |
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90 writer.bold(); |
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91 writer.printDocLink(context, cd, (MemberDoc) emd, |
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92 name, false); |
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93 writer.boldEnd(); |
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94 writer.displayLength = name.length(); |
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95 writeParameters(emd, false); |
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96 } |
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97 |
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98 protected void writeInheritedSummaryLink(ClassDoc cd, |
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99 ProgramElementDoc member) { |
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100 writer.printDocLink(LinkInfoImpl.CONTEXT_MEMBER, cd, (MemberDoc) member, |
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101 member.name(), false); |
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102 } |
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103 |
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104 protected void writeParam(ExecutableMemberDoc member, Parameter param, |
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105 boolean isVarArg) { |
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106 if (param.type() != null) { |
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107 writer.printLink(new LinkInfoImpl( |
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108 LinkInfoImpl.CONTEXT_EXECUTABLE_MEMBER_PARAM, param.type(), |
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109 isVarArg)); |
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110 } |
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111 if(param.name().length() > 0) { |
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112 writer.space(); |
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113 writer.print(param.name()); |
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114 } |
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115 } |
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116 |
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117 protected void writeParameters(ExecutableMemberDoc member) { |
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118 writeParameters(member, true); |
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119 } |
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120 |
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121 protected void writeParameters(ExecutableMemberDoc member, |
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122 boolean includeAnnotations) { |
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123 print('('); |
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124 Parameter[] params = member.parameters(); |
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125 String indent = makeSpace(writer.displayLength); |
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126 if (configuration().linksource) { |
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127 //add spaces to offset indentation changes caused by link. |
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128 indent+= makeSpace(member.name().length()); |
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129 } |
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130 int paramstart; |
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131 for (paramstart = 0; paramstart < params.length; paramstart++) { |
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132 Parameter param = params[paramstart]; |
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133 if (!param.name().startsWith("this$")) { |
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134 if (includeAnnotations) { |
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135 boolean foundAnnotations = |
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136 writer.writeAnnotationInfo(indent.length(), member, param); |
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137 if (foundAnnotations) { |
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138 writer.println(); |
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139 writer.print(indent); |
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140 } |
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141 } |
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142 writeParam(member, param, |
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143 (paramstart == params.length - 1) && member.isVarArgs()); |
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144 break; |
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145 } |
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146 } |
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147 |
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148 for (int i = paramstart + 1; i < params.length; i++) { |
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149 writer.print(','); |
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150 writer.println(); |
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151 writer.print(indent); |
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152 if (includeAnnotations) { |
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153 boolean foundAnnotations = |
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154 writer.writeAnnotationInfo(indent.length(), member, params[i]); |
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155 if (foundAnnotations) { |
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156 writer.println(); |
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157 writer.print(indent); |
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158 } |
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159 } |
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160 writeParam(member, params[i], (i == params.length - 1) && member.isVarArgs()); |
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161 } |
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162 writer.print(')'); |
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163 } |
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164 |
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165 protected void writeExceptions(ExecutableMemberDoc member) { |
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166 Type[] exceptions = member.thrownExceptionTypes(); |
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167 if(exceptions.length > 0) { |
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168 LinkInfoImpl memberTypeParam = new LinkInfoImpl( |
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169 LinkInfoImpl.CONTEXT_MEMBER, member, false); |
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170 int retlen = getReturnTypeLength(member); |
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171 writer.getTypeParameterLinks(memberTypeParam); |
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172 retlen += memberTypeParam.displayLength == 0 ? |
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173 0 : memberTypeParam.displayLength + 1; |
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174 String indent = makeSpace(modifierString(member).length() + |
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175 member.name().length() + retlen - 4); |
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176 writer.println(); |
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177 writer.print(indent); |
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178 writer.print("throws "); |
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179 indent += " "; |
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180 writer.printLink(new LinkInfoImpl( |
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181 LinkInfoImpl.CONTEXT_MEMBER, exceptions[0])); |
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182 for(int i = 1; i < exceptions.length; i++) { |
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183 writer.println(","); |
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184 writer.print(indent); |
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185 writer.printLink(new LinkInfoImpl( |
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186 LinkInfoImpl.CONTEXT_MEMBER, exceptions[i])); |
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187 } |
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188 } |
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189 } |
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190 |
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191 protected int getReturnTypeLength(ExecutableMemberDoc member) { |
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192 if (member instanceof MethodDoc) { |
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193 MethodDoc method = (MethodDoc)member; |
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194 Type rettype = method.returnType(); |
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195 if (rettype.isPrimitive()) { |
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196 return rettype.typeName().length() + |
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197 rettype.dimension().length(); |
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198 } else { |
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199 LinkInfoImpl linkInfo = new LinkInfoImpl( |
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200 LinkInfoImpl.CONTEXT_MEMBER, rettype); |
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201 writer.getLink(linkInfo); |
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202 return linkInfo.displayLength; |
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203 } |
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204 } else { // it's a constructordoc |
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205 return -1; |
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206 } |
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207 } |
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208 |
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209 protected ClassDoc implementsMethodInIntfac(MethodDoc method, |
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210 ClassDoc[] intfacs) { |
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211 for (int i = 0; i < intfacs.length; i++) { |
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212 MethodDoc[] methods = intfacs[i].methods(); |
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213 if (methods.length > 0) { |
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214 for (int j = 0; j < methods.length; j++) { |
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215 if (methods[j].name().equals(method.name()) && |
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216 methods[j].signature().equals(method.signature())) { |
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217 return intfacs[i]; |
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218 } |
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219 } |
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220 } |
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221 } |
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222 return null; |
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223 } |
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224 |
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225 /** |
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226 * For backward compatibility, include an anchor using the erasures of the |
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227 * parameters. NOTE: We won't need this method anymore after we fix |
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228 * see tags so that they use the type instead of the erasure. |
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229 * |
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230 * @param emd the ExecutableMemberDoc to anchor to. |
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231 * @return the 1.4.x style anchor for the ExecutableMemberDoc. |
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232 */ |
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233 protected String getErasureAnchor(ExecutableMemberDoc emd) { |
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234 StringBuffer buf = new StringBuffer(emd.name() + "("); |
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235 Parameter[] params = emd.parameters(); |
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236 boolean foundTypeVariable = false; |
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237 for (int i = 0; i < params.length; i++) { |
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238 if (i > 0) { |
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239 buf.append(","); |
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240 } |
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241 Type t = params[i].type(); |
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242 foundTypeVariable = foundTypeVariable || t.asTypeVariable() != null; |
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243 buf.append(t.isPrimitive() ? |
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244 t.typeName() : t.asClassDoc().qualifiedName()); |
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245 buf.append(t.dimension()); |
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246 } |
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247 buf.append(")"); |
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248 return foundTypeVariable ? buf.toString() : null; |
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249 } |
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250 } |