Back to index...

	/*
	* 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);
	}
	}
	}

Back to index...