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authorAndrew Haley <aph@redhat.com>2016-09-30 16:24:48 +0000
committerAndrew Haley <aph@gcc.gnu.org>2016-09-30 16:24:48 +0000
commit07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch)
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Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com> * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662
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diff --git a/libjava/classpath/java/applet/Applet.java b/libjava/classpath/java/applet/Applet.java
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-/* Applet.java -- Java base applet class
- Copyright (C) 1999, 2002, 2004, 2005 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.applet;
-
-import java.awt.Component;
-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 javax.sound.sampled.AudioSystem;
-import javax.sound.sampled.Clip;
-import javax.sound.sampled.LineUnavailableException;
-import javax.sound.sampled.UnsupportedAudioFileException;
-
-/**
- * This is the base applet class. An applet is a Java program that
- * runs inside a web browser or other applet viewer in a restricted
- * environment.
- *
- * <p>To be useful, a subclass should override at least start(). Also useful
- * are init, stop, and destroy for control purposes, and getAppletInfo and
- * getParameterInfo for descriptive purposes.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @author Eric Blake (ebb9@email.byu.edu)
- * @since 1.0
- * @status updated to 1.4
- */
-public class Applet extends Panel
-{
- /**
- * Compatible with JDK 1.0+.
- */
- private static final long serialVersionUID = -5836846270535785031L;
-
- /** The applet stub for this applet. */
- private transient AppletStub stub;
-
- /** Some applets call setSize in their constructors. In that case,
- these fields are used to store width and height values until a
- stub is set. */
- private transient int width;
- private transient int height;
-
- /**
- * The accessibility context for this applet.
- *
- * @serial the accessibleContext for this
- * @since 1.2
- */
- private AccessibleContext accessibleContext;
-
- /**
- * Default constructor for subclasses.
- *
- * @throws HeadlessException if in a headless environment
- */
- public Applet()
- {
- if (GraphicsEnvironment.isHeadless())
- throw new HeadlessException();
- }
-
- /**
- * The browser calls this method to set the applet's stub, which is the
- * low level interface to the browser. Manually setting this to null is
- * asking for problems down the road.
- *
- * @param stub the applet stub for this applet
- */
- public final void setStub(AppletStub stub)
- {
- this.stub = stub;
-
- if (width != 0 && height != 0)
- stub.appletResize (width, height);
- }
-
- /**
- * Tests whether or not this applet is currently active. An applet is active
- * just before the browser invokes start(), and becomes inactive just
- * before the browser invokes stop().
- *
- * @return <code>true</code> if this applet is active
- */
- public boolean isActive()
- {
- return stub.isActive();
- }
-
- /**
- * Returns the basename URL of the document this applet is embedded in. This
- * is everything up to the final '/'.
- *
- * @return the URL of the document this applet is embedded in
- * @see #getCodeBase()
- */
- public URL getDocumentBase()
- {
- return stub.getDocumentBase();
- }
-
- /**
- * Returns the URL of the code base for this applet.
- *
- * @return the URL of the code base for this applet
- */
- public URL getCodeBase()
- {
- return stub.getCodeBase();
- }
-
- /**
- * Returns the value of the specified parameter that was specified in
- * the <code>&lt;APPLET&gt;</code> tag for this applet.
- *
- * @param name the parameter name
- * @return the parameter value, or null if the parameter does not exist
- * @throws NullPointerException if name is null
- */
- public String getParameter(String name)
- {
- return stub.getParameter(name);
- }
-
- /**
- * Returns the applet context for this applet.
- *
- * @return the applet context for this applet
- */
- public AppletContext getAppletContext()
- {
- return stub.getAppletContext();
- }
-
- /**
- * Requests that the applet window for this applet be resized.
- *
- * @param width the new width in pixels
- * @param height the new height in pixels
- */
- public void resize(int width, int height)
- {
- if (stub == null)
- {
- this.width = width;
- this.height = height;
- }
- else
- stub.appletResize(width, height);
- }
-
- /**
- * Requests that the applet window for this applet be resized.
- *
- * @param dim the requested dimensions
- * @throws NullPointerException if dim is null
- */
- public void resize(Dimension dim)
- {
- resize(dim.width, dim.height);
- }
-
- /**
- * Displays the specified message in the status window if that window
- * exists.
- *
- * @param message the status message, may be null
- */
- public void showStatus(String message)
- {
- getAppletContext().showStatus(message);
- }
-
- /**
- * Returns an image from the specified URL. Note that the image is not
- * actually retrieved until the applet attempts to display it, so this
- * method returns immediately.
- *
- * @param url the URL of the image
- * @return the retrieved image
- * @throws NullPointerException if url is null
- */
- public Image getImage(URL url)
- {
- return getAppletContext().getImage(url);
- }
-
- /**
- * Returns an image from the specified absolute URL, and relative path
- * from that URL. Note that the image is not actually retrieved until the
- * applet attempts to display it, so this method returns immediately.
- * This calls <code>getImage(new URL(url, name))</code>, but if building
- * the new URL fails, this returns null.
- *
- * @param url the base URL of the image
- * @param name the name of the image relative to the URL
- * @return the retrieved image, or null on failure
- * @see #getImage(URL)
- */
- public Image getImage(URL url, String name)
- {
- try
- {
- return getImage(new URL(url, name));
- }
- catch (MalformedURLException e)
- {
- return null;
- }
- }
-
- /**
- * Returns an audio clip from the specified URL. This clip is not tied to
- * any particular applet.
- *
- * @param url the URL of the audio clip
- * @return the retrieved audio clip
- * @throws NullPointerException if url is null
- * @see #getAudioClip(URL)
- * @since 1.2
- */
- public static final AudioClip newAudioClip(URL url)
- {
- return new URLAudioClip(url);
- }
-
- /**
- * Returns an audio clip from the specified URL. Note that the clip is not
- * actually retrieved until the applet attempts to play it, so this method
- * returns immediately.
- *
- * @param url the URL of the audio clip
- * @return the retrieved audio clip
- * @throws NullPointerException if url is null
- */
- public AudioClip getAudioClip(URL url)
- {
- return getAppletContext().getAudioClip(url);
- }
-
- /**
- * Returns an audio clip from the specified absolute URL, and relative path
- * from that URL. Note that the clip is not actually retrieved until the
- * applet attempts to play it, so this method returns immediately. This
- * calls <code>getAudioClip(new URL(url, name))</code>, but if building
- * the new URL fails, this returns null.
- *
- * @param url the base URL of the audio clip
- * @param name the name of the clip relative to the URL
- * @return the retrieved audio clip, or null on failure
- * @see #getAudioClip(URL)
- */
- public AudioClip getAudioClip(URL url, String name)
- {
- try
- {
- return getAudioClip(new URL(url, name));
- }
- catch (MalformedURLException e)
- {
- return null;
- }
- }
-
- /**
- * Returns a descriptive string with applet defined information. The
- * implementation in this class returns <code>null</code>, so subclasses
- * must override to return information.
- *
- * @return a string describing the author, version, and applet copyright
- */
- public String getAppletInfo()
- {
- return null;
- }
-
- /**
- * Returns the locale for this applet, if it has been set. If no applet
- * specific locale has been set, the default locale is returned.
- *
- * @return the locale for this applet
- * @see Component#setLocale(Locale)
- * @since 1.1
- */
- public Locale getLocale()
- {
- return super.getLocale();
- }
-
- /**
- * Returns a list of parameters this applet supports. Each element of
- * the outer array is an array of three strings with the name of the
- * parameter, the data type or valid values, and a description. This
- * method is optional and the default implementation returns null.
- *
- * @return the list of parameters supported by this applet
- */
- public String[][] getParameterInfo()
- {
- return null;
- }
-
- /**
- * Loads and plays the audio clip pointed to by the specified URL. This does
- * nothing if the URL does not point to a valid audio clip.
- *
- * @param url the URL of the audio clip
- * @throws NullPointerException if url is null
- * @see #getAudioClip(URL)
- */
- public void play(URL url)
- {
- AudioClip ac = getAudioClip(url);
- try
- {
- ac.play();
- }
- catch (Exception ignored)
- {
- }
- }
-
- /**
- * Loads and plays the audio clip pointed to by the specified absolute URL,
- * and relative path from that URL. This does nothing if the URL cannot be
- * constructed, or if it does not point to a valid audio clip.
- *
- * @param url the base URL of the audio clip
- * @param name the name of the audio clip relative to the URL
- * @see #getAudioClip(URL, String)
- * @see #play(URL)
- */
- public void play(URL url, String name)
- {
- try
- {
- getAudioClip(url, name).play();
- }
- catch (Exception ignored)
- {
- }
- }
-
- /**
- * This method is called when the applet is first loaded, before start().
- * The default implementation does nothing; override to do any one-time
- * initialization.
- *
- * @see #start()
- * @see #stop()
- * @see #destroy()
- */
- public void init()
- {
- }
-
- /**
- * This method is called when the applet should start running. This is
- * normally each time a web page containing it is loaded. The default
- * implemention does nothing; override for your applet to be useful.
- *
- * @see #init()
- * @see #stop()
- * @see #destroy()
- */
- public void start()
- {
- }
-
- /**
- * This method is called when the applet should stop running. This is
- * normally when the next web page is loaded. The default implementation
- * does nothing; override for your applet to stop using resources when
- * it is no longer visible, but may be restarted soon.
- *
- * @see #init()
- * @see #start()
- * @see #destroy()
- */
- public void stop()
- {
- }
-
- /**
- * This method is called when the applet is being unloaded. The default
- * implementation does nothing; override for your applet to clean up
- * resources on exit.
- *
- * @see #init()
- * @see #start()
- * @see #stop()
- */
- public void destroy()
- {
- }
-
- /**
- * Gets the AccessibleContext associated with this applet, creating one if
- * necessary. This always returns an instance of {@link AccessibleApplet}.
- *
- * @return the accessibility context of this applet
- * @since 1.3
- */
- public AccessibleContext getAccessibleContext()
- {
- if (accessibleContext == null)
- accessibleContext = new AccessibleApplet();
- return accessibleContext;
- }
-
- /**
- * Read an applet from an object stream. This checks for a headless
- * environment, then does the normal read.
- *
- * @param s the stream to read from
- * @throws ClassNotFoundException if a class is not found
- * @throws IOException if deserialization fails
- * @throws HeadlessException if this is a headless environment
- * @see GraphicsEnvironment#isHeadless()
- * @since 1.4
- */
- private void readObject(ObjectInputStream s)
- throws ClassNotFoundException, IOException
- {
- if (GraphicsEnvironment.isHeadless())
- throw new HeadlessException();
- s.defaultReadObject();
- }
-
- /**
- * This class provides accessibility support for Applets, and is the
- * runtime type returned by {@link #getAccessibleContext()}.
- *
- * @author Eric Blake (ebb9@email.byu.edu)
- * @since 1.3
- */
- protected class AccessibleApplet extends AccessibleAWTPanel
- {
- /**
- * Compatible with JDK 1.4+.
- */
- private static final long serialVersionUID = 8127374778187708896L;
-
- /**
- * The default constructor.
- */
- protected AccessibleApplet()
- {
- }
-
- /**
- * Get the role of this accessible object, a frame.
- *
- * @return the role of the object
- * @see AccessibleRole#FRAME
- */
- public AccessibleRole getAccessibleRole()
- {
- return AccessibleRole.FRAME;
- }
-
- /**
- * Get the state set of this accessible object. In addition to the default
- * states of a Component, the applet can also be active.
- *
- * @return the role of the object
- * @see AccessibleState
- */
- public AccessibleStateSet getAccessibleStateSet()
- {
- AccessibleStateSet s = super.getAccessibleStateSet();
- if (isActive())
- s.add(AccessibleState.ACTIVE);
- return s;
- }
- } // class AccessibleApplet
-
- private static class URLAudioClip implements AudioClip
- {
- // The URL we will try to play.
- // This is null if we have already tried to create an
- // audio input stream from this URL.
- private URL url;
-
- // The real audio clip. This is null before the URL is read,
- // and might be null afterward if we were unable to read the URL
- // for some reason.
- private Clip clip;
-
- public URLAudioClip(URL url)
- {
- this.url = url;
- }
-
- private synchronized Clip getClip()
- {
- if (url == null)
- return clip;
- try
- {
- clip = AudioSystem.getClip();
- clip.open(AudioSystem.getAudioInputStream(url));
- }
- catch (LineUnavailableException _)
- {
- // Ignore.
- }
- catch (IOException _)
- {
- // Ignore.
- }
- catch (UnsupportedAudioFileException _)
- {
- // Ignore.
- }
- url = null;
- return clip;
- }
-
- public void loop()
- {
- Clip myclip = getClip();
- if (myclip != null)
- myclip.loop(Clip.LOOP_CONTINUOUSLY);
- }
-
- public void play()
- {
- Clip myclip = getClip();
- if (myclip != null)
- myclip.start();
- }
-
- public void stop()
- {
- Clip myclip = getClip();
- if (myclip != null)
- {
- myclip.stop();
- myclip.setFramePosition(0);
- }
- }
- }
-} // class Applet