jdk/src/share/classes/sun/applet/AppletViewerPanel.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/applet/AppletViewerPanel.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,216 @@
+/*
+ * Copyright 1995-2005 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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);
+        }
+    }
+}