| /* |
| * Copyright (c) 1995, 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.applet; |
| |
| import java.util.*; |
| import java.io.*; |
| import java.net.URL; |
| import java.net.MalformedURLException; |
| import java.awt.*; |
| import java.applet.*; |
| import sun.tools.jar.*; |
| |
| |
| /** |
| * Sample applet panel class. The panel manages and manipulates the |
| * applet as it is being loaded. It forks a seperate thread in a new |
| * thread group to call the applet's init(), start(), stop(), and |
| * destroy() methods. |
| * |
| * @author Arthur van Hoff |
| */ |
| class AppletViewerPanel extends AppletPanel { |
| |
| /* Are we debugging? */ |
| static boolean debug = false; |
| |
| /** |
| * The document url. |
| */ |
| URL documentURL; |
| |
| /** |
| * The base url. |
| */ |
| URL baseURL; |
| |
| /** |
| * The attributes of the applet. |
| */ |
| Hashtable atts; |
| |
| /* |
| * JDK 1.1 serialVersionUID |
| */ |
| private static final long serialVersionUID = 8890989370785545619L; |
| |
| /** |
| * Construct an applet viewer and start the applet. |
| */ |
| AppletViewerPanel(URL documentURL, Hashtable atts) { |
| this.documentURL = documentURL; |
| this.atts = atts; |
| |
| String att = getParameter("codebase"); |
| if (att != null) { |
| if (!att.endsWith("/")) { |
| att += "/"; |
| } |
| try { |
| baseURL = new URL(documentURL, att); |
| } catch (MalformedURLException e) { |
| } |
| } |
| if (baseURL == null) { |
| String file = documentURL.getFile(); |
| int i = file.lastIndexOf('/'); |
| if (i >= 0 && i < file.length() - 1) { |
| try { |
| baseURL = new URL(documentURL, file.substring(0, i + 1)); |
| } catch (MalformedURLException e) { |
| } |
| } |
| } |
| |
| // when all is said & done, baseURL shouldn't be null |
| if (baseURL == null) |
| baseURL = documentURL; |
| |
| |
| } |
| |
| /** |
| * Get an applet parameter. |
| */ |
| public String getParameter(String name) { |
| return (String)atts.get(name.toLowerCase()); |
| } |
| |
| /** |
| * Get the document url. |
| */ |
| public URL getDocumentBase() { |
| return documentURL; |
| |
| } |
| |
| /** |
| * Get the base url. |
| */ |
| public URL getCodeBase() { |
| return baseURL; |
| } |
| |
| /** |
| * Get the width. |
| */ |
| public int getWidth() { |
| String w = getParameter("width"); |
| if (w != null) { |
| return Integer.valueOf(w).intValue(); |
| } |
| return 0; |
| } |
| |
| |
| /** |
| * Get the height. |
| */ |
| public int getHeight() { |
| String h = getParameter("height"); |
| if (h != null) { |
| return Integer.valueOf(h).intValue(); |
| } |
| return 0; |
| } |
| |
| /** |
| * Get initial_focus |
| */ |
| public boolean hasInitialFocus() |
| { |
| |
| // 6234219: Do not set initial focus on an applet |
| // during startup if applet is targeted for |
| // JDK 1.1/1.2. [stanley.ho] |
| if (isJDK11Applet() || isJDK12Applet()) |
| return false; |
| |
| String initialFocus = getParameter("initial_focus"); |
| |
| if (initialFocus != null) |
| { |
| if (initialFocus.toLowerCase().equals("false")) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Get the code parameter |
| */ |
| public String getCode() { |
| return getParameter("code"); |
| } |
| |
| |
| /** |
| * Return the list of jar files if specified. |
| * Otherwise return null. |
| */ |
| public String getJarFiles() { |
| return getParameter("archive"); |
| } |
| |
| /** |
| * Return the value of the object param |
| */ |
| public String getSerializedObject() { |
| return getParameter("object");// another name? |
| } |
| |
| |
| /** |
| * Get the applet context. For now this is |
| * also implemented by the AppletPanel class. |
| */ |
| public AppletContext getAppletContext() { |
| return (AppletContext)getParent(); |
| } |
| |
| static void debug(String s) { |
| if(debug) |
| System.err.println("AppletViewerPanel:::" + s); |
| } |
| |
| static void debug(String s, Throwable t) { |
| if(debug) { |
| t.printStackTrace(); |
| debug(s); |
| } |
| } |
| } |