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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 | +} | |