Showing the changes to java/pkg/sun/applet/AppletViewerPanel.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1995, 2005, 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 | +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 | +} | |