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1 /* |
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2 * Copyright 2003 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.internal.toolkit.builders; |
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27 |
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28 import com.sun.tools.doclets.internal.toolkit.util.*; |
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29 import com.sun.tools.doclets.internal.toolkit.*; |
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30 import com.sun.javadoc.*; |
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31 import java.io.*; |
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32 import java.lang.reflect.*; |
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33 import java.util.*; |
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34 |
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35 /** |
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36 * Builds the serialized form. |
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37 * |
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38 * This code is not part of an API. |
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39 * It is implementation that is subject to change. |
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40 * Do not use it as an API |
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41 * |
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42 * @author Jamie Ho |
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43 * @since 1.5 |
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44 */ |
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45 public class SerializedFormBuilder extends AbstractBuilder { |
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46 |
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47 /** |
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48 * The root element of the serialized form XML is {@value}. |
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49 */ |
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50 public static final String NAME = "SerializedForm"; |
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51 |
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52 /** |
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53 * The writer for this builder. |
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54 */ |
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55 private SerializedFormWriter writer; |
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56 |
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57 /** |
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58 * The writer for serializable fields. |
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59 */ |
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60 private SerializedFormWriter.SerialFieldWriter fieldWriter; |
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61 |
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62 /** |
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63 * The writer for serializable method documentation. |
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64 */ |
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65 private SerializedFormWriter.SerialMethodWriter methodWriter; |
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66 |
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67 /** |
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68 * The header for the serial version UID. Save the string |
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69 * here instead of the properties file because we do not want |
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70 * this string to be localized. |
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71 */ |
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72 private static final String SERIAL_VERSION_UID_HEADER = "serialVersionUID:"; |
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73 |
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74 /** |
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75 * The current package being documented. |
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76 */ |
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77 private PackageDoc currentPackage; |
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78 |
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79 /** |
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80 * The current class being documented. |
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81 */ |
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82 private ClassDoc currentClass; |
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83 |
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84 /** |
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85 * The current member being documented. |
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86 */ |
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87 protected MemberDoc currentMember; |
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88 |
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89 private SerializedFormBuilder(Configuration configuration) { |
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90 super(configuration); |
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91 } |
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92 |
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93 /** |
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94 * Construct a new SerializedFormBuilder. |
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95 * @param configuration the current configuration of the doclet. |
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96 */ |
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97 public static SerializedFormBuilder getInstance(Configuration configuration) { |
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98 SerializedFormBuilder builder = new SerializedFormBuilder(configuration); |
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99 return builder; |
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100 } |
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101 |
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102 /** |
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103 * Build the serialized form. |
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104 */ |
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105 public void build() throws IOException { |
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106 if (! serialClassFoundToDocument(configuration.root.classes())) { |
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107 //Nothing to document. |
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108 return; |
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109 } |
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110 try { |
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111 writer = configuration.getWriterFactory().getSerializedFormWriter(); |
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112 if (writer == null) { |
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113 //Doclet does not support this output. |
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114 return; |
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115 } |
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116 } catch (Exception e) { |
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117 throw new DocletAbortException(); |
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118 } |
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119 build(LayoutParser.getInstance(configuration).parseXML(NAME)); |
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120 writer.close(); |
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121 } |
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122 |
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123 /** |
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124 * {@inheritDoc} |
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125 */ |
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126 public String getName() { |
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127 return NAME; |
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128 } |
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129 |
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130 /** |
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131 * Build the serialized form. |
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132 */ |
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133 public void buildSerializedForm(List elements) throws Exception { |
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134 build(elements); |
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135 writer.close(); |
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136 } |
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137 |
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138 /** |
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139 * {@inheritDoc} |
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140 */ |
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141 public void invokeMethod(String methodName, Class[] paramClasses, |
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142 Object[] params) |
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143 throws Exception { |
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144 if (DEBUG) { |
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145 configuration.root.printError("DEBUG: " + this.getClass().getName() |
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146 + "." + methodName); |
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147 } |
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148 Method method = this.getClass().getMethod(methodName, paramClasses); |
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149 method.invoke(this, params); |
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150 } |
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151 |
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152 /** |
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153 * Build the header. |
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154 */ |
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155 public void buildHeader() { |
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156 writer.writeHeader(configuration.getText("doclet.Serialized_Form")); |
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157 } |
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158 |
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159 /** |
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160 * Build the contents. |
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161 */ |
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162 public void buildSerializedFormSummaries(List elements) { |
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163 PackageDoc[] packages = configuration.packages; |
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164 for (int i = 0; i < packages.length; i++) { |
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165 currentPackage = packages[i]; |
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166 build(elements); |
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167 } |
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168 } |
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169 |
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170 /** |
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171 * Build the package serialized for for the current package being processed. |
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172 */ |
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173 public void buildPackageSerializedForm(List elements) { |
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174 String foo = currentPackage.name(); |
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175 ClassDoc[] classes = currentPackage.allClasses(false); |
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176 if (classes == null || classes.length == 0) { |
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177 return; |
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178 } |
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179 if (!serialInclude(currentPackage)) { |
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180 return; |
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181 } |
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182 if (!serialClassFoundToDocument(classes)) { |
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183 return; |
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184 } |
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185 build(elements); |
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186 } |
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187 |
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188 public void buildPackageHeader() { |
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189 writer.writePackageHeader(Util.getPackageName(currentPackage)); |
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190 } |
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191 |
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192 public void buildClassSerializedForm(List elements) { |
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193 ClassDoc[] classes = currentPackage.allClasses(false); |
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194 Arrays.sort(classes); |
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195 for (int j = 0; j < classes.length; j++) { |
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196 currentClass = classes[j]; |
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197 fieldWriter = writer.getSerialFieldWriter(currentClass); |
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198 methodWriter = writer.getSerialMethodWriter(currentClass); |
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199 if(currentClass.isClass() && currentClass.isSerializable()) { |
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200 if(!serialClassInclude(currentClass)) { |
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201 continue; |
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202 } |
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203 build(elements); |
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204 } |
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205 } |
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206 } |
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207 |
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208 public void buildClassHeader() { |
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209 writer.writeClassHeader(currentClass); |
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210 } |
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211 |
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212 /** |
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213 * Build the serial UID information for the given class. |
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214 */ |
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215 public void buildSerialUIDInfo() { |
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216 FieldDoc[] fields = currentClass.fields(false); |
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217 for (int i = 0; i < fields.length; i++) { |
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218 if (fields[i].name().equals("serialVersionUID") && |
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219 fields[i].constantValueExpression() != null) { |
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220 writer.writeSerialUIDInfo(SERIAL_VERSION_UID_HEADER, |
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221 fields[i].constantValueExpression()); |
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222 return; |
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223 } |
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224 } |
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225 } |
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226 |
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227 /** |
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228 * Build the footer. |
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229 */ |
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230 public void buildFooter() { |
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231 writer.writeFooter(); |
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232 } |
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233 |
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234 /** |
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235 * Return true if the given Doc should be included |
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236 * in the serialized form. |
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237 * |
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238 * @param doc the Doc object to check for serializability. |
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239 */ |
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240 public static boolean serialInclude(Doc doc) { |
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241 if (doc == null) { |
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242 return false; |
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243 } |
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244 return doc.isClass() ? |
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245 serialClassInclude((ClassDoc)doc) : |
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246 serialDocInclude(doc); |
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247 } |
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248 |
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249 /** |
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250 * Return true if the given ClassDoc should be included |
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251 * in the serialized form. |
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252 * |
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253 * @param cd the ClassDoc object to check for serializability. |
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254 */ |
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255 private static boolean serialClassInclude(ClassDoc cd) { |
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256 if (cd.isEnum()) { |
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257 return false; |
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258 } |
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259 try { |
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260 cd.superclassType(); |
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261 } catch (NullPointerException e) { |
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262 //Workaround for null pointer bug in ClassDoc.superclassType(). |
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263 return false; |
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264 } |
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265 if (cd.isSerializable()) { |
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266 if (cd.tags("serial").length > 0) { |
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267 return serialDocInclude(cd); |
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268 } else if (cd.isPublic() || cd.isProtected()) { |
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269 return true; |
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270 } else { |
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271 return false; |
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272 } |
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273 } |
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274 return false; |
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275 } |
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276 |
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277 /** |
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278 * Return true if the given Doc should be included |
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279 * in the serialized form. |
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280 * |
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281 * @param doc the Doc object to check for serializability. |
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282 */ |
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283 private static boolean serialDocInclude(Doc doc) { |
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284 if (doc.isEnum()) { |
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285 return false; |
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286 } |
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287 Tag[] serial = doc.tags("serial"); |
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288 if (serial.length > 0) { |
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289 String serialtext = serial[0].text().toLowerCase(); |
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290 if (serialtext.indexOf("exclude") >= 0) { |
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291 return false; |
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292 } else if (serialtext.indexOf("include") >= 0) { |
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293 return true; |
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294 } |
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295 } |
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296 return true; |
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297 } |
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298 |
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299 /** |
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300 * Return true if any of the given classes have a @serialinclude tag. |
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301 * |
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302 * @param classes the classes to check. |
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303 * @return true if any of the given classes have a @serialinclude tag. |
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304 */ |
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305 private boolean serialClassFoundToDocument(ClassDoc[] classes) { |
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306 for (int i = 0; i < classes.length; i++) { |
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307 if (serialClassInclude(classes[i])) { |
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308 return true; |
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309 } |
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310 } |
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311 return false; |
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312 } |
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313 |
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314 /** |
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315 * Build the method header. |
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316 */ |
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317 public void buildMethodHeader() { |
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318 if (currentClass.serializationMethods().length > 0) { |
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319 methodWriter.writeHeader( |
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320 configuration.getText("doclet.Serialized_Form_methods")); |
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321 if (currentClass.isSerializable() && !currentClass.isExternalizable()) { |
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322 if (currentClass.serializationMethods().length == 0) { |
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323 methodWriter.writeNoCustomizationMsg( |
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324 configuration.getText( |
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325 "doclet.Serializable_no_customization")); |
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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 /** |
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332 * Build the method sub header. |
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333 */ |
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334 public void buildMethodSubHeader() { |
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335 methodWriter.writeMemberHeader((MethodDoc) currentMember); |
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336 } |
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337 |
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338 /** |
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339 * Build the deprecated method description. |
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340 */ |
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341 public void buildDeprecatedMethodInfo() { |
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342 methodWriter.writeDeprecatedMemberInfo((MethodDoc) currentMember); |
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343 } |
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344 |
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345 /** |
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346 * Build method tags. |
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347 */ |
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348 public void buildMethodDescription() { |
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349 methodWriter.writeMemberDescription((MethodDoc) currentMember); |
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350 } |
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351 |
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352 /** |
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353 * Build the method tags. |
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354 */ |
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355 public void buildMethodTags() { |
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356 methodWriter.writeMemberTags((MethodDoc) currentMember); |
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357 MethodDoc method = (MethodDoc)currentMember; |
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358 if (method.name().compareTo("writeExternal") == 0 |
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359 && method.tags("serialData").length == 0) { |
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360 if (configuration.serialwarn) { |
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361 configuration.getDocletSpecificMsg().warning( |
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362 currentMember.position(), "doclet.MissingSerialDataTag", |
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363 method.containingClass().qualifiedName(), method.name()); |
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364 } |
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365 } |
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366 } |
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367 |
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368 /** |
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369 * build the information for the method. |
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370 */ |
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371 public void buildMethodInfo(List elements) { |
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372 if(configuration.nocomment){ |
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373 return; |
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374 } |
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375 build(elements); |
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376 } |
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377 |
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378 /** |
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379 * Build the method footer. |
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380 */ |
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381 public void buildMethodFooter() { |
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382 methodWriter.writeMemberFooter((MethodDoc) currentMember); |
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383 } |
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384 |
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385 /** |
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386 * Build the field header. |
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387 */ |
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388 public void buildFieldHeader() { |
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389 if (currentClass.serializableFields().length > 0) { |
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390 buildFieldSerializationOverview(currentClass); |
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391 fieldWriter.writeHeader(configuration.getText( |
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392 "doclet.Serialized_Form_fields")); |
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393 } |
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394 } |
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395 |
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396 /** |
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397 * If possible, build the serialization overview for the given |
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398 * class. |
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399 * |
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400 * @param classDoc the class to print the overview for. |
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401 */ |
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402 public void buildFieldSerializationOverview(ClassDoc classDoc) { |
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403 if (classDoc.definesSerializableFields()) { |
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404 FieldDoc serialPersistentField = |
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405 (FieldDoc)((Util.asList(classDoc.serializableFields()).get(0))); |
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406 String comment = serialPersistentField.commentText(); |
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407 if (comment.length() > 0) { |
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408 fieldWriter.writeHeader( |
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409 configuration.getText("doclet.Serialized_Form_class")); |
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410 if (!configuration.nocomment) { |
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411 fieldWriter.writeMemberDeprecatedInfo(serialPersistentField); |
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412 fieldWriter.writeMemberDescription(serialPersistentField); |
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413 fieldWriter.writeMemberTags(serialPersistentField); |
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414 fieldWriter.writeMemberFooter(serialPersistentField); |
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415 } |
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416 } |
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417 } |
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418 } |
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419 |
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420 /** |
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421 * Build the field sub header. |
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422 */ |
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423 public void buildFieldSubHeader() { |
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424 if (! currentClass.definesSerializableFields() ){ |
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425 FieldDoc field = (FieldDoc) currentMember; |
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426 fieldWriter.writeMemberHeader(field.type().asClassDoc(), |
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427 field.type().typeName(), field.type().dimension(), field.name()); |
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428 } |
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429 } |
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430 |
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431 /** |
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432 * Build the field information. |
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433 */ |
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434 public void buildFieldInfo() { |
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435 if(configuration.nocomment){ |
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436 return; |
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437 } |
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438 FieldDoc field = (FieldDoc)currentMember; |
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439 ClassDoc cd = field.containingClass(); |
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440 if (cd.definesSerializableFields()) { |
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441 // Process Serializable Fields specified as array of |
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442 // ObjectStreamFields. Print a member for each serialField tag. |
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443 // (There should be one serialField tag per ObjectStreamField |
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444 // element.) |
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445 SerialFieldTag[] tags = field.serialFieldTags(); |
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446 Arrays.sort(tags); |
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447 for (int i = 0; i < tags.length; i++) { |
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448 fieldWriter.writeMemberHeader(tags[i].fieldTypeDoc(), |
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449 tags[i].fieldType(), "", tags[i].fieldName()); |
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450 fieldWriter.writeMemberDescription(tags[i]); |
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451 |
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452 } |
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453 } else { |
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454 |
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455 // Process default Serializable field. |
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456 if ((field.tags("serial").length == 0) && ! field.isSynthetic() |
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457 && configuration.serialwarn) { |
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458 configuration.message.warning(field.position(), |
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459 "doclet.MissingSerialTag", cd.qualifiedName(), |
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460 field.name()); |
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461 } |
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462 fieldWriter.writeMemberDeprecatedInfo(field); |
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463 fieldWriter.writeMemberDescription(field); |
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464 fieldWriter.writeMemberTags(field); |
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465 } |
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466 } |
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467 |
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468 /** |
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469 * Build the field footer. |
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470 */ |
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471 public void buildFieldFooter() { |
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472 if (! currentClass.definesSerializableFields()) { |
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473 fieldWriter.writeMemberFooter((FieldDoc) currentMember); |
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474 } |
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475 } |
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476 |
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477 /** |
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478 * Build the summaries for the methods that belong to the given |
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479 * class. |
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480 */ |
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481 public void buildSerializableMethods(List elements) { |
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482 MemberDoc[] members = currentClass.serializationMethods(); |
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483 if (members.length > 0) { |
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484 for (int i = 0; i < members.length; i++) { |
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485 currentMember = members[i]; |
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486 build(elements); |
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487 } |
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488 } |
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489 } |
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490 |
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491 /** |
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492 * Build the summaries for the fields that belong to the given |
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493 * class. |
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494 */ |
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495 public void buildSerializableFields(List elements) { |
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496 MemberDoc[] members = currentClass.serializableFields(); |
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497 if (members.length > 0) { |
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498 for (int i = 0; i < members.length; i++) { |
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499 currentMember = members[i]; |
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500 build(elements); |
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501 } |
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502 } |
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503 } |
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504 } |