/*
* 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.*;
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 Deprecated: The Applet API is deprecated. See the
java.applet package
documentation for further information.
/**
* 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
*
* @deprecated The Applet API is deprecated. See the
* <a href="../../java/applet/package-summary.html"> java.applet package
* documentation</a> for further information.
*/
@Deprecated(since = "9")
class AppletViewerPanel extends AppletPanel {
/* Are we debugging? */
static boolean debug = false;
The document url.
/**
* The document url.
*/
URL documentURL;
The base url.
/**
* The base url.
*/
URL baseURL;
The attributes of the applet.
/**
* The attributes of the applet.
*/
Hashtable<String, String> atts;
/*
* JDK 1.1 serialVersionUID
*/
private static final long serialVersionUID = 8890989370785545619L;
Construct an applet viewer and start the applet.
/**
* Construct an applet viewer and start the applet.
*/
AppletViewerPanel(URL documentURL, Hashtable<String, String> 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.
/**
* Get an applet parameter.
*/
public String getParameter(String name) {
return atts.get(name.toLowerCase());
}
Get the document url.
/**
* Get the document url.
*/
public URL getDocumentBase() {
return documentURL;
}
Get the base url.
/**
* Get the base url.
*/
public URL getCodeBase() {
return baseURL;
}
Get the width.
/**
* Get the width.
*/
public int getWidth() {
String w = getParameter("width");
if (w != null) {
return Integer.valueOf(w).intValue();
}
return 0;
}
Get the height.
/**
* Get the height.
*/
public int getHeight() {
String h = getParameter("height");
if (h != null) {
return Integer.valueOf(h).intValue();
}
return 0;
}
Get initial_focus
/**
* 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
/**
* Get the code parameter
*/
public String getCode() {
return getParameter("code");
}
Return the list of jar files if specified.
Otherwise return null.
/**
* Return the list of jar files if specified.
* Otherwise return null.
*/
public String getJarFiles() {
return getParameter("archive");
}
Return the value of the object param
/**
* 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.
/**
* Get the applet context. For now this is
* also implemented by the AppletPanel class.
*/
@SuppressWarnings("deprecation")
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);
}
}
}