1 /* |
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2 * Copyright (c) 1997, 2014, 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 |
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27 /* |
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28 * The Original Code is HAT. The Initial Developer of the |
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29 * Original Code is Bill Foote, with contributions from others |
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30 * at JavaSoft/Sun. |
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31 */ |
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32 |
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33 package com.sun.tools.hat.internal.server; |
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34 |
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35 import com.sun.tools.hat.internal.model.*; |
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36 import com.sun.tools.hat.internal.util.ArraySorter; |
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37 import com.sun.tools.hat.internal.util.Comparer; |
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38 |
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39 import java.util.Enumeration; |
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40 |
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41 /** |
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42 * |
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43 * @author Bill Foote |
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44 */ |
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45 |
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46 |
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47 class ClassQuery extends QueryHandler { |
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48 |
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49 |
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50 public ClassQuery() { |
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51 } |
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52 |
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53 public void run() { |
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54 startHtml("Class " + query); |
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55 JavaClass clazz = snapshot.findClass(query); |
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56 if (clazz == null) { |
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57 error("class not found: " + query); |
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58 } else { |
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59 printFullClass(clazz); |
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60 } |
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61 endHtml(); |
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62 } |
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63 |
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64 protected void printFullClass(JavaClass clazz) { |
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65 out.print("<h1>"); |
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66 print(clazz.toString()); |
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67 out.println("</h1>"); |
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68 |
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69 out.println("<h2>Superclass:</h2>"); |
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70 printClass(clazz.getSuperclass()); |
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71 |
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72 out.println("<h2>Loader Details</h2>"); |
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73 out.println("<h3>ClassLoader:</h3>"); |
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74 printThing(clazz.getLoader()); |
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75 |
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76 out.println("<h3>Signers:</h3>"); |
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77 printThing(clazz.getSigners()); |
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78 |
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79 out.println("<h3>Protection Domain:</h3>"); |
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80 printThing(clazz.getProtectionDomain()); |
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81 |
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82 out.println("<h2>Subclasses:</h2>"); |
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83 JavaClass[] sc = clazz.getSubclasses(); |
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84 for (int i = 0; i < sc.length; i++) { |
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85 out.print(" "); |
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86 printClass(sc[i]); |
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87 out.println("<br>"); |
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88 } |
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89 |
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90 out.println("<h2>Instance Data Members:</h2>"); |
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91 JavaField[] ff = clazz.getFields().clone(); |
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92 ArraySorter.sort(ff, new Comparer() { |
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93 public int compare(Object lhs, Object rhs) { |
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94 JavaField left = (JavaField) lhs; |
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95 JavaField right = (JavaField) rhs; |
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96 return left.getName().compareTo(right.getName()); |
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97 } |
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98 }); |
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99 for (int i = 0; i < ff.length; i++) { |
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100 out.print(" "); |
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101 printField(ff[i]); |
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102 out.println("<br>"); |
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103 } |
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104 |
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105 out.println("<h2>Static Data Members:</h2>"); |
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106 JavaStatic[] ss = clazz.getStatics(); |
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107 for (int i = 0; i < ss.length; i++) { |
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108 printStatic(ss[i]); |
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109 out.println("<br>"); |
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110 } |
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111 |
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112 out.println("<h2>Instances</h2>"); |
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113 |
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114 printAnchorStart(); |
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115 print("instances/" + encodeForURL(clazz)); |
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116 out.print("\">"); |
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117 out.println("Exclude subclasses</a><br>"); |
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118 |
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119 printAnchorStart(); |
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120 print("allInstances/" + encodeForURL(clazz)); |
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121 out.print("\">"); |
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122 out.println("Include subclasses</a><br>"); |
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123 |
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124 |
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125 if (snapshot.getHasNewSet()) { |
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126 out.println("<h2>New Instances</h2>"); |
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127 |
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128 printAnchorStart(); |
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129 print("newInstances/" + encodeForURL(clazz)); |
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130 out.print("\">"); |
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131 out.println("Exclude subclasses</a><br>"); |
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132 |
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133 printAnchorStart(); |
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134 print("allNewInstances/" + encodeForURL(clazz)); |
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135 out.print("\">"); |
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136 out.println("Include subclasses</a><br>"); |
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137 } |
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138 |
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139 out.println("<h2>References summary by Type</h2>"); |
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140 printAnchorStart(); |
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141 print("refsByType/" + encodeForURL(clazz)); |
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142 out.print("\">"); |
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143 out.println("References summary by type</a>"); |
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144 |
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145 printReferencesTo(clazz); |
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146 } |
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147 |
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148 protected void printReferencesTo(JavaHeapObject obj) { |
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149 if (obj.getId() == -1) { |
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150 return; |
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151 } |
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152 out.println("<h2>References to this object:</h2>"); |
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153 out.flush(); |
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154 Enumeration<JavaThing> referers = obj.getReferers(); |
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155 while (referers.hasMoreElements()) { |
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156 JavaHeapObject ref = (JavaHeapObject) referers.nextElement(); |
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157 printThing(ref); |
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158 print (" : " + ref.describeReferenceTo(obj, snapshot)); |
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159 // If there are more than one references, this only gets the |
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160 // first one. |
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161 out.println("<br>"); |
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162 } |
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163 |
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164 out.println("<h2>Other Queries</h2>"); |
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165 out.println("Reference Chains from Rootset"); |
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166 long id = obj.getId(); |
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167 |
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168 out.print("<ul><li>"); |
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169 printAnchorStart(); |
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170 out.print("roots/"); |
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171 printHex(id); |
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172 out.print("\">"); |
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173 out.println("Exclude weak refs</a>"); |
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174 |
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175 out.print("<li>"); |
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176 printAnchorStart(); |
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177 out.print("allRoots/"); |
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178 printHex(id); |
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179 out.print("\">"); |
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180 out.println("Include weak refs</a></ul>"); |
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181 |
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182 printAnchorStart(); |
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183 out.print("reachableFrom/"); |
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184 printHex(id); |
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185 out.print("\">"); |
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186 out.println("Objects reachable from here</a><br>"); |
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187 } |
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188 |
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189 |
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190 } |
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