JDK 11 java.desktop.jmod - Desktop Module

JDK 11 java.desktop.jmod is the JMOD file for JDK 11 Desktop module.

JDK 11 Desktop module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.desktop.jmod.

JDK 11 Desktop module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Desktop module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.desktop.

You can click and view the content of each source code file in the list below.

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java/applet/Applet.java

/*
 * Copyright (c) 1995, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package java.applet;

import java.awt.AWTPermission;
import java.awt.Dimension;
import java.awt.GraphicsEnvironment;
import java.awt.HeadlessException;
import java.awt.Image;
import java.awt.Panel;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Locale;

import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleRole;
import javax.accessibility.AccessibleState;
import javax.accessibility.AccessibleStateSet;

import com.sun.media.sound.JavaSoundAudioClip;

/**
 * An applet is a small program that is intended not to be run on
 * its own, but rather to be embedded inside another application.
 * <p>
 * The {@code Applet} class must be the superclass of any
 * applet that is to be embedded in a Web page or viewed by the Java
 * Applet Viewer. The {@code Applet} class provides a standard
 * interface between applets and their environment.
 *
 * @author      Arthur van Hoff
 * @author      Chris Warth
 * @since       1.0
 *
 * @deprecated The Applet API is deprecated, no replacement.
 */
@Deprecated(since = "9")
public class Applet extends Panel {

    /**
     * Constructs a new Applet.
     * <p>
     * Note: Many methods in {@code java.applet.Applet}
     * may be invoked by the applet only after the applet is
     * fully constructed; applet should avoid calling methods
     * in {@code java.applet.Applet} in the constructor.
     *
     * @exception HeadlessException if GraphicsEnvironment.isHeadless()
     * returns true.
     * @see java.awt.GraphicsEnvironment#isHeadless
     * @since 1.4
     */
    public Applet() throws HeadlessException {
        if (GraphicsEnvironment.isHeadless()) {
            throw new HeadlessException();
        }
    }

    /**
     * Applets can be serialized but the following conventions MUST be followed:
     *
     * Before Serialization:
     * An applet must be in STOPPED state.
     *
     * After Deserialization:
     * The applet will be restored in STOPPED state (and most clients will
     * likely move it into RUNNING state).
     * The stub field will be restored by the reader.
     */
    private transient AppletStub stub;

    /* version ID for serialized form. */
    private static final long serialVersionUID = -5836846270535785031L;

    /**
     * Read an applet from an object input stream.
     * @param  s  an object input stream.
     * @exception HeadlessException if
     * {@code GraphicsEnvironment.isHeadless()} returns
     * {@code true}
     * @serial
     * @see java.awt.GraphicsEnvironment#isHeadless
     * @since 1.4
     */
    private void readObject(ObjectInputStream s)
        throws ClassNotFoundException, IOException, HeadlessException {
        if (GraphicsEnvironment.isHeadless()) {
            throw new HeadlessException();
        }
        s.defaultReadObject();
    }

    /**
     * Sets this applet's stub. This is done automatically by the system.
     * <p>If there is a security manager, its {@code checkPermission}
     * method is called with the
     * {@code AWTPermission("setAppletStub")}
     * permission if a stub has already been set.
     * @param   stub   the new stub.
     * @exception SecurityException if the caller cannot set the stub
     */
    public final void setStub(AppletStub stub) {
        if (this.stub != null) {
            SecurityManager s = System.getSecurityManager();
            if (s != null) {
                s.checkPermission(new AWTPermission("setAppletStub"));
            }
        }
        this.stub = stub;
    }

    /**
     * Determines if this applet is active. An applet is marked active
     * just before its {@code start} method is called. It becomes
     * inactive just before its {@code stop} method is called.
     *
     * @return  {@code true} if the applet is active;
     *          {@code false} otherwise.
     * @see     java.applet.Applet#start()
     * @see     java.applet.Applet#stop()
     */
    public boolean isActive() {
        if (stub != null) {
            return stub.isActive();
        } else {        // If stub field not filled in, applet never active
            return false;
        }
    }

    /**
     * Gets the URL of the document in which this applet is embedded.
     * For example, suppose an applet is contained
     * within the document:
     * <blockquote><pre>
     *    http://www.oracle.com/technetwork/java/index.html
     * </pre></blockquote>
     * The document base is:
     * <blockquote><pre>
     *    http://www.oracle.com/technetwork/java/index.html
     * </pre></blockquote>
     *
     * @return  the {@link java.net.URL} of the document that contains this
     *          applet.
     * @see     java.applet.Applet#getCodeBase()
     */
    public URL getDocumentBase() {
        return stub.getDocumentBase();
    }

    /**
     * Gets the base URL. This is the URL of the directory which contains this applet.
     *
     * @return  the base {@link java.net.URL} of
     *          the directory which contains this applet.
     * @see     java.applet.Applet#getDocumentBase()
     */
    public URL getCodeBase() {
        return stub.getCodeBase();
    }

    /**
     * Returns the value of the named parameter in the HTML tag. For
     * example, if this applet is specified as
     * <blockquote><pre>
     * &lt;applet code="Clock" width=50 height=50&gt;
     * &lt;param name=Color value="blue"&gt;
     * &lt;/applet&gt;
     * </pre></blockquote>
     * <p>
     * then a call to {@code getParameter("Color")} returns the
     * value {@code "blue"}.
     * <p>
     * The {@code name} argument is case insensitive.
     *
     * @param   name   a parameter name.
     * @return  the value of the named parameter,
     *          or {@code null} if not set.
     */
     public String getParameter(String name) {
         return stub.getParameter(name);
     }

    /**
     * Determines this applet's context, which allows the applet to
     * query and affect the environment in which it runs.
     * <p>
     * This environment of an applet represents the document that
     * contains the applet.
     *
     * @return  the applet's context.
     */
    public AppletContext getAppletContext() {
        return stub.getAppletContext();
    }

    /**
     * Requests that this applet be resized.
     *
     * @param   width    the new requested width for the applet.
     * @param   height   the new requested height for the applet.
     */
    @SuppressWarnings("deprecation")
    public void resize(int width, int height) {
        Dimension d = size();
        if ((d.width != width) || (d.height != height)) {
            super.resize(width, height);
            if (stub != null) {
                stub.appletResize(width, height);
            }
        }
    }

    /**
     * Requests that this applet be resized.
     *
     * @param   d   an object giving the new width and height.
     */
    @SuppressWarnings("deprecation")
    public void resize(Dimension d) {
        resize(d.width, d.height);
    }

    /**
     * Indicates if this container is a validate root.
     * <p>
     * {@code Applet} objects are the validate roots, and, therefore, they
     * override this method to return {@code true}.
     *
     * @return {@code true}
     * @since 1.7
     * @see java.awt.Container#isValidateRoot
     */
    @Override
    public boolean isValidateRoot() {
        return true;
    }

    /**
     * Requests that the argument string be displayed in the
     * "status window". Many browsers and applet viewers
     * provide such a window, where the application can inform users of
     * its current state.
     *
     * @param   msg   a string to display in the status window.
     */
    public void showStatus(String msg) {
        getAppletContext().showStatus(msg);
    }

    /**
     * Returns an {@code Image} object that can then be painted on
     * the screen. The {@code url} that is passed as an argument
     * must specify an absolute URL.
     * <p>
     * This method always returns immediately, whether or not the image
     * exists. When this applet attempts to draw the image on the screen,
     * the data will be loaded. The graphics primitives that draw the
     * image will incrementally paint on the screen.
     *
     * @param   url   an absolute URL giving the location of the image.
     * @return  the image at the specified URL.
     * @see     java.awt.Image
     */
    public Image getImage(URL url) {
        return getAppletContext().getImage(url);
    }

    /**
     * Returns an {@code Image} object that can then be painted on
     * the screen. The {@code url} argument must specify an absolute
     * URL. The {@code name} argument is a specifier that is
     * relative to the {@code url} argument.
     * <p>
     * This method always returns immediately, whether or not the image
     * exists. When this applet attempts to draw the image on the screen,
     * the data will be loaded. The graphics primitives that draw the
     * image will incrementally paint on the screen.
     *
     * @param   url    an absolute URL giving the base location of the image.
     * @param   name   the location of the image, relative to the
     *                 {@code url} argument.
     * @return  the image at the specified URL.
     * @see     java.awt.Image
     */
    public Image getImage(URL url, String name) {
        try {
            return getImage(new URL(url, name));
        } catch (MalformedURLException e) {
            return null;
        }
    }

    /**
     * Get an audio clip from the given URL.
     *
     * @param url points to the audio clip
     * @return the audio clip at the specified URL.
     *
     * @since       1.2
     */
    public static final AudioClip newAudioClip(URL url) {
        return JavaSoundAudioClip.create(url);
    }

    /**
     * Returns the {@code AudioClip} object specified by the
     * {@code URL} argument.
     * <p>
     * This method always returns immediately, whether or not the audio
     * clip exists. When this applet attempts to play the audio clip, the
     * data will be loaded.
     *
     * @param   url  an absolute URL giving the location of the audio clip.
     * @return  the audio clip at the specified URL.
     * @see     java.applet.AudioClip
     */
    public AudioClip getAudioClip(URL url) {
        return getAppletContext().getAudioClip(url);
    }

    /**
     * Returns the {@code AudioClip} object specified by the
     * {@code URL} and {@code name} arguments.
     * <p>
     * This method always returns immediately, whether or not the audio
     * clip exists. When this applet attempts to play the audio clip, the
     * data will be loaded.
     *
     * @param   url    an absolute URL giving the base location of the
     *                 audio clip.
     * @param   name   the location of the audio clip, relative to the
     *                 {@code url} argument.
     * @return  the audio clip at the specified URL.
     * @see     java.applet.AudioClip
     */
    public AudioClip getAudioClip(URL url, String name) {
        try {
            return getAudioClip(new URL(url, name));
        } catch (MalformedURLException e) {
            return null;
        }
    }

    /**
     * Returns information about this applet. An applet should override
     * this method to return a {@code String} containing information
     * about the author, version, and copyright of the applet.
     * <p>
     * The implementation of this method provided by the
     * {@code Applet} class returns {@code null}.
     *
     * @return  a string containing information about the author, version, and
     *          copyright of the applet.
     */
    public String getAppletInfo() {
        return null;
    }

    /**
     * Gets the locale of the applet. It allows the applet
     * to maintain its own locale separated from the locale
     * of the browser or appletviewer.
     *
     * @return  the locale of the applet; if no locale has
     *          been set, the default locale is returned.
     * @since   1.1
     */
    public Locale getLocale() {
      Locale locale = super.getLocale();
      if (locale == null) {
        return Locale.getDefault();
      }
      return locale;
    }

    /**
     * Returns information about the parameters that are understood by
     * this applet. An applet should override this method to return an
     * array of {@code Strings} describing these parameters.
     * <p>
     * Each element of the array should be a set of three
     * {@code Strings} containing the name, the type, and a
     * description. For example:
     * <blockquote><pre>
     * String pinfo[][] = {
     *   {"fps",    "1-10",    "frames per second"},
     *   {"repeat", "boolean", "repeat image loop"},
     *   {"imgs",   "url",     "images directory"}
     * };
     * </pre></blockquote>
     * <p>
     * The implementation of this method provided by the
     * {@code Applet} class returns {@code null}.
     *
     * @return  an array describing the parameters this applet looks for.
     */
    public String[][] getParameterInfo() {
        return null;
    }

    /**
     * Plays the audio clip at the specified absolute URL. Nothing
     * happens if the audio clip cannot be found.
     *
     * @param   url   an absolute URL giving the location of the audio clip.
     */
    public void play(URL url) {
        AudioClip clip = getAudioClip(url);
        if (clip != null) {
            clip.play();
        }
    }

    /**
     * Plays the audio clip given the URL and a specifier that is
     * relative to it. Nothing happens if the audio clip cannot be found.
     *
     * @param   url    an absolute URL giving the base location of the
     *                 audio clip.
     * @param   name   the location of the audio clip, relative to the
     *                 {@code url} argument.
     */
    public void play(URL url, String name) {
        AudioClip clip = getAudioClip(url, name);
        if (clip != null) {
            clip.play();
        }
    }

    /**
     * Called by the browser or applet viewer to inform
     * this applet that it has been loaded into the system. It is always
     * called before the first time that the {@code start} method is
     * called.
     * <p>
     * A subclass of {@code Applet} should override this method if
     * it has initialization to perform. For example, an applet with
     * threads would use the {@code init} method to create the
     * threads and the {@code destroy} method to kill them.
     * <p>
     * The implementation of this method provided by the
     * {@code Applet} class does nothing.
     *
     * @see     java.applet.Applet#destroy()
     * @see     java.applet.Applet#start()
     * @see     java.applet.Applet#stop()
     */
    public void init() {
    }

    /**
     * Called by the browser or applet viewer to inform
     * this applet that it should start its execution. It is called after
     * the {@code init} method and each time the applet is revisited
     * in a Web page.
     * <p>
     * A subclass of {@code Applet} should override this method if
     * it has any operation that it wants to perform each time the Web
     * page containing it is visited. For example, an applet with
     * animation might want to use the {@code start} method to
     * resume animation, and the {@code stop} method to suspend the
     * animation.
     * <p>
     * Note: some methods, such as {@code getLocationOnScreen}, can only
     * provide meaningful results if the applet is showing.  Because
     * {@code isShowing} returns {@code false} when the applet's
     * {@code start} is first called, methods requiring
     * {@code isShowing} to return {@code true} should be called from
     * a {@code ComponentListener}.
     * <p>
     * The implementation of this method provided by the
     * {@code Applet} class does nothing.
     *
     * @see     java.applet.Applet#destroy()
     * @see     java.applet.Applet#init()
     * @see     java.applet.Applet#stop()
     * @see     java.awt.Component#isShowing()
     * @see     java.awt.event.ComponentListener#componentShown(java.awt.event.ComponentEvent)
     */
    public void start() {
    }

    /**
     * Called by the browser or applet viewer to inform
     * this applet that it should stop its execution. It is called when
     * the Web page that contains this applet has been replaced by
     * another page, and also just before the applet is to be destroyed.
     * <p>
     * A subclass of {@code Applet} should override this method if
     * it has any operation that it wants to perform each time the Web
     * page containing it is no longer visible. For example, an applet
     * with animation might want to use the {@code start} method to
     * resume animation, and the {@code stop} method to suspend the
     * animation.
     * <p>
     * The implementation of this method provided by the
     * {@code Applet} class does nothing.
     *
     * @see     java.applet.Applet#destroy()
     * @see     java.applet.Applet#init()
     */
    public void stop() {
    }

    /**
     * Called by the browser or applet viewer to inform
     * this applet that it is being reclaimed and that it should destroy
     * any resources that it has allocated. The {@code stop} method
     * will always be called before {@code destroy}.
     * <p>
     * A subclass of {@code Applet} should override this method if
     * it has any operation that it wants to perform before it is
     * destroyed. For example, an applet with threads would use the
     * {@code init} method to create the threads and the
     * {@code destroy} method to kill them.
     * <p>
     * The implementation of this method provided by the
     * {@code Applet} class does nothing.
     *
     * @see     java.applet.Applet#init()
     * @see     java.applet.Applet#start()
     * @see     java.applet.Applet#stop()
     */
    public void destroy() {
    }

    //
    // Accessibility support
    //

    AccessibleContext accessibleContext = null;

    /**
     * Gets the AccessibleContext associated with this Applet.
     * For applets, the AccessibleContext takes the form of an
     * AccessibleApplet.
     * A new AccessibleApplet instance is created if necessary.
     *
     * @return an AccessibleApplet that serves as the
     *         AccessibleContext of this Applet
     * @since 1.3
     */
    public AccessibleContext getAccessibleContext() {
        if (accessibleContext == null) {
            accessibleContext = new AccessibleApplet();
        }
        return accessibleContext;
    }

    /**
     * This class implements accessibility support for the
     * {@code Applet} class.  It provides an implementation of the
     * Java Accessibility API appropriate to applet user-interface elements.
     * @since 1.3
     */
    protected class AccessibleApplet extends AccessibleAWTPanel {

        private static final long serialVersionUID = 8127374778187708896L;

        /**
         * Get the role of this object.
         *
         * @return an instance of AccessibleRole describing the role of the
         * object
         */
        public AccessibleRole getAccessibleRole() {
            return AccessibleRole.FRAME;
        }

        /**
         * Get the state of this object.
         *
         * @return an instance of AccessibleStateSet containing the current
         * state set of the object
         * @see AccessibleState
         */
        public AccessibleStateSet getAccessibleStateSet() {
            AccessibleStateSet states = super.getAccessibleStateSet();
            states.add(AccessibleState.ACTIVE);
            return states;
        }

    }
}

java/applet/Applet.java

 

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File name: java.desktop-11.0.1-src.zip
File size: 7974380 bytes
Release date: 2018-11-04
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