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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | |||
| 27 | /* | ||
| 28 | * The Original Code is HAT. The Initial Developer of the | ||
| 29 | * Original Code is Bill Foote, with contributions from others | ||
| 30 | * at JavaSoft/Sun. | ||
| 31 | */ | ||
| 32 | |||
| 33 | package com.sun.tools.hat.internal.server; | ||
| 34 | |||
| 35 | import java.io.PrintWriter; | ||
| 36 | |||
| 37 | import com.sun.tools.hat.internal.model.*; | ||
| 38 | import com.sun.tools.hat.internal.util.Misc; | ||
| 39 | |||
| 40 | import java.net.URLEncoder; | ||
| 41 | import java.io.UnsupportedEncodingException; | ||
| 42 | |||
| 43 | /** | ||
| 44 | * | ||
| 45 | * @author Bill Foote | ||
| 46 | */ | ||
| 47 | |||
| 48 | |||
| 49 | abstract class QueryHandler { | ||
| 50 | |||
| 51 | protected String urlStart; | ||
| 52 | protected String query; | ||
| 53 | protected PrintWriter out; | ||
| 54 | protected Snapshot snapshot; | ||
| 55 | |||
| 56 | abstract void run(); | ||
| 57 | |||
| 58 | |||
| 59 | void setUrlStart(String s) { | ||
| 60 | urlStart = s; | ||
| 61 | } | ||
| 62 | |||
| 63 | void setQuery(String s) { | ||
| 64 | query = s; | ||
| 65 | } | ||
| 66 | |||
| 67 | void setOutput(PrintWriter o) { | ||
| 68 | this.out = o; | ||
| 69 | } | ||
| 70 | |||
| 71 | void setSnapshot(Snapshot ss) { | ||
| 72 | this.snapshot = ss; | ||
| 73 | } | ||
| 74 | |||
| 75 | protected String encodeForURL(String s) { | ||
| 76 | try { | ||
| 77 | s = URLEncoder.encode(s, "UTF-8"); | ||
| 78 | } catch (UnsupportedEncodingException ex) { | ||
| 79 | // Should never happen | ||
| 80 | ex.printStackTrace(); | ||
| 81 | } | ||
| 82 | return s; | ||
| 83 | } | ||
| 84 | |||
| 85 | protected void startHtml(String title) { | ||
| 86 | out.print("<html><title>"); | ||
| 87 | print(title); | ||
| 88 | out.println("</title>"); | ||
| 89 | out.println("<body bgcolor=\"#ffffff\"><center><h1>"); | ||
| 90 | print(title); | ||
| 91 | out.println("</h1></center>"); | ||
| 92 | } | ||
| 93 | |||
| 94 | protected void endHtml() { | ||
| 95 | out.println("</body></html>"); | ||
| 96 | } | ||
| 97 | |||
| 98 | protected void error(String msg) { | ||
| 99 | out.println(msg); | ||
| 100 | } | ||
| 101 | |||
| 102 | protected void printAnchorStart() { | ||
| 103 | out.print("<a href=\""); | ||
| 104 | out.print(urlStart); | ||
| 105 | } | ||
| 106 | |||
| 107 | protected void printThingAnchorTag(long id) { | ||
| 108 | printAnchorStart(); | ||
| 109 | out.print("object/"); | ||
| 110 | printHex(id); | ||
| 111 | out.print("\">"); | ||
| 112 | } | ||
| 113 | |||
| 114 | protected void printObject(JavaObject obj) { | ||
| 115 | printThing(obj); | ||
| 116 | } | ||
| 117 | |||
| 118 | protected void printThing(JavaThing thing) { | ||
| 119 | if (thing == null) { | ||
| 120 | out.print("null"); | ||
| 121 | return; | ||
| 122 | } | ||
| 123 | if (thing instanceof JavaHeapObject) { | ||
| 124 | JavaHeapObject ho = (JavaHeapObject) thing; | ||
| 125 | long id = ho.getId(); | ||
| 126 | if (id != -1L) { | ||
| 127 | if (ho.isNew()) | ||
| 128 | out.println("<strong>"); | ||
| 129 | printThingAnchorTag(id); | ||
| 130 | } | ||
| 131 | print(thing.toString()); | ||
| 132 | if (id != -1) { | ||
| 133 | if (ho.isNew()) | ||
| 134 | out.println("[new]</strong>"); | ||
| 135 | out.print(" (" + ho.getSize() + " bytes)"); | ||
| 136 | out.println("</a>"); | ||
| 137 | } | ||
| 138 | } else { | ||
| 139 | print(thing.toString()); | ||
| 140 | } | ||
| 141 | } | ||
| 142 | |||
| 143 | protected void printRoot(Root root) { | ||
| 144 | StackTrace st = root.getStackTrace(); | ||
| 145 | boolean traceAvailable = (st != null) && (st.getFrames().length != 0); | ||
| 146 | if (traceAvailable) { | ||
| 147 | printAnchorStart(); | ||
| 148 | out.print("rootStack/"); | ||
| 149 | printHex(root.getIndex()); | ||
| 150 | out.print("\">"); | ||
| 151 | } | ||
| 152 | print(root.getDescription()); | ||
| 153 | if (traceAvailable) { | ||
| 154 | out.print("</a>"); | ||
| 155 | } | ||
| 156 | } | ||
| 157 | |||
| 158 | protected void printClass(JavaClass clazz) { | ||
| 159 | if (clazz == null) { | ||
| 160 | out.println("null"); | ||
| 161 | return; | ||
| 162 | } | ||
| 163 | String name = clazz.getName(); | ||
| 164 | printAnchorStart(); | ||
| 165 | out.print("class/"); | ||
| 166 | print(encodeForURL(clazz)); | ||
| 167 | out.print("\">"); | ||
| 168 | print(clazz.toString()); | ||
| 169 | out.println("</a>"); | ||
| 170 | } | ||
| 171 | |||
| 172 | protected String encodeForURL(JavaClass clazz) { | ||
| 173 | if (clazz.getId() == -1) { | ||
| 174 | return encodeForURL(clazz.getName()); | ||
| 175 | } else { | ||
| 176 | return clazz.getIdString(); | ||
| 177 | } | ||
| 178 | } | ||
| 179 | |||
| 180 | protected void printField(JavaField field) { | ||
| 181 | print(field.getName() + " (" + field.getSignature() + ")"); | ||
| 182 | } | ||
| 183 | |||
| 184 | protected void printStatic(JavaStatic member) { | ||
| 185 | JavaField f = member.getField(); | ||
| 186 | printField(f); | ||
| 187 | out.print(" : "); | ||
| 188 | if (f.hasId()) { | ||
| 189 | JavaThing t = member.getValue(); | ||
| 190 | printThing(t); | ||
| 191 | } else { | ||
| 192 | print(member.getValue().toString()); | ||
| 193 | } | ||
| 194 | } | ||
| 195 | |||
| 196 | protected void printStackTrace(StackTrace trace) { | ||
| 197 | StackFrame[] frames = trace.getFrames(); | ||
| 198 | for (int i = 0; i < frames.length; i++) { | ||
| 199 | StackFrame f = frames[i]; | ||
| 200 | String clazz = f.getClassName(); | ||
| 201 | out.print("<font color=purple>"); | ||
| 202 | print(clazz); | ||
| 203 | out.print("</font>"); | ||
| 204 | print("." + f.getMethodName() + "(" + f.getMethodSignature() + ")"); | ||
| 205 | out.print(" <bold>:</bold> "); | ||
| 206 | print(f.getSourceFileName() + " line " + f.getLineNumber()); | ||
| 207 | out.println("<br>"); | ||
| 208 | } | ||
| 209 | } | ||
| 210 | |||
| 211 | protected void printHex(long addr) { | ||
| 212 | if (snapshot.getIdentifierSize() == 4) { | ||
| 213 | out.print(Misc.toHex((int)addr)); | ||
| 214 | } else { | ||
| 215 | out.print(Misc.toHex(addr)); | ||
| 216 | } | ||
| 217 | } | ||
| 218 | |||
| 219 | protected long parseHex(String value) { | ||
| 220 | return Misc.parseHex(value); | ||
| 221 | } | ||
| 222 | |||
| 223 | protected void print(String str) { | ||
| 224 | out.print(Misc.encodeHtml(str)); | ||
| 225 | } | ||
| 226 | } | ||