J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1995-2005 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.applet; |
| 27 | |
| 28 | import java.util.*; |
| 29 | import java.io.*; |
| 30 | import java.net.URL; |
| 31 | import java.net.MalformedURLException; |
| 32 | import java.awt.*; |
| 33 | import java.applet.*; |
| 34 | import sun.tools.jar.*; |
| 35 | |
| 36 | |
| 37 | /** |
| 38 | * Sample applet panel class. The panel manages and manipulates the |
| 39 | * applet as it is being loaded. It forks a seperate thread in a new |
| 40 | * thread group to call the applet's init(), start(), stop(), and |
| 41 | * destroy() methods. |
| 42 | * |
| 43 | * @author Arthur van Hoff |
| 44 | */ |
| 45 | class AppletViewerPanel extends AppletPanel { |
| 46 | |
| 47 | /* Are we debugging? */ |
| 48 | static boolean debug = false; |
| 49 | |
| 50 | /** |
| 51 | * The document url. |
| 52 | */ |
| 53 | URL documentURL; |
| 54 | |
| 55 | /** |
| 56 | * The base url. |
| 57 | */ |
| 58 | URL baseURL; |
| 59 | |
| 60 | /** |
| 61 | * The attributes of the applet. |
| 62 | */ |
| 63 | Hashtable atts; |
| 64 | |
| 65 | /* |
| 66 | * JDK 1.1 serialVersionUID |
| 67 | */ |
| 68 | private static final long serialVersionUID = 8890989370785545619L; |
| 69 | |
| 70 | /** |
| 71 | * Construct an applet viewer and start the applet. |
| 72 | */ |
| 73 | AppletViewerPanel(URL documentURL, Hashtable atts) { |
| 74 | this.documentURL = documentURL; |
| 75 | this.atts = atts; |
| 76 | |
| 77 | String att = getParameter("codebase"); |
| 78 | if (att != null) { |
| 79 | if (!att.endsWith("/")) { |
| 80 | att += "/"; |
| 81 | } |
| 82 | try { |
| 83 | baseURL = new URL(documentURL, att); |
| 84 | } catch (MalformedURLException e) { |
| 85 | } |
| 86 | } |
| 87 | if (baseURL == null) { |
| 88 | String file = documentURL.getFile(); |
| 89 | int i = file.lastIndexOf('/'); |
| 90 | if (i >= 0 && i < file.length() - 1) { |
| 91 | try { |
| 92 | baseURL = new URL(documentURL, file.substring(0, i + 1)); |
| 93 | } catch (MalformedURLException e) { |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | // when all is said & done, baseURL shouldn't be null |
| 99 | if (baseURL == null) |
| 100 | baseURL = documentURL; |
| 101 | |
| 102 | |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Get an applet parameter. |
| 107 | */ |
| 108 | public String getParameter(String name) { |
| 109 | return (String)atts.get(name.toLowerCase()); |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Get the document url. |
| 114 | */ |
| 115 | public URL getDocumentBase() { |
| 116 | return documentURL; |
| 117 | |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Get the base url. |
| 122 | */ |
| 123 | public URL getCodeBase() { |
| 124 | return baseURL; |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Get the width. |
| 129 | */ |
| 130 | public int getWidth() { |
| 131 | String w = getParameter("width"); |
| 132 | if (w != null) { |
| 133 | return Integer.valueOf(w).intValue(); |
| 134 | } |
| 135 | return 0; |
| 136 | } |
| 137 | |
| 138 | |
| 139 | /** |
| 140 | * Get the height. |
| 141 | */ |
| 142 | public int getHeight() { |
| 143 | String h = getParameter("height"); |
| 144 | if (h != null) { |
| 145 | return Integer.valueOf(h).intValue(); |
| 146 | } |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Get initial_focus |
| 152 | */ |
| 153 | public boolean hasInitialFocus() |
| 154 | { |
| 155 | |
| 156 | // 6234219: Do not set initial focus on an applet |
| 157 | // during startup if applet is targeted for |
| 158 | // JDK 1.1/1.2. [stanley.ho] |
| 159 | if (isJDK11Applet() || isJDK12Applet()) |
| 160 | return false; |
| 161 | |
| 162 | String initialFocus = getParameter("initial_focus"); |
| 163 | |
| 164 | if (initialFocus != null) |
| 165 | { |
| 166 | if (initialFocus.toLowerCase().equals("false")) |
| 167 | return false; |
| 168 | } |
| 169 | |
| 170 | return true; |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Get the code parameter |
| 175 | */ |
| 176 | public String getCode() { |
| 177 | return getParameter("code"); |
| 178 | } |
| 179 | |
| 180 | |
| 181 | /** |
| 182 | * Return the list of jar files if specified. |
| 183 | * Otherwise return null. |
| 184 | */ |
| 185 | public String getJarFiles() { |
| 186 | return getParameter("archive"); |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Return the value of the object param |
| 191 | */ |
| 192 | public String getSerializedObject() { |
| 193 | return getParameter("object");// another name? |
| 194 | } |
| 195 | |
| 196 | |
| 197 | /** |
| 198 | * Get the applet context. For now this is |
| 199 | * also implemented by the AppletPanel class. |
| 200 | */ |
| 201 | public AppletContext getAppletContext() { |
| 202 | return (AppletContext)getParent(); |
| 203 | } |
| 204 | |
| 205 | static void debug(String s) { |
| 206 | if(debug) |
| 207 | System.err.println("AppletViewerPanel:::" + s); |
| 208 | } |
| 209 | |
| 210 | static void debug(String s, Throwable t) { |
| 211 | if(debug) { |
| 212 | t.printStackTrace(); |
| 213 | debug(s); |
| 214 | } |
| 215 | } |
| 216 | } |