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Diffstat (limited to 'libjava/classpath/gnu/java/beans/DummyAppletContext.java')
-rw-r--r-- | libjava/classpath/gnu/java/beans/DummyAppletContext.java | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/libjava/classpath/gnu/java/beans/DummyAppletContext.java b/libjava/classpath/gnu/java/beans/DummyAppletContext.java deleted file mode 100644 index 583d2f5..0000000 --- a/libjava/classpath/gnu/java/beans/DummyAppletContext.java +++ /dev/null @@ -1,165 +0,0 @@ -/* gnu.java.beans.DummyAppletContext - Copyright (C) 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 gnu.java.beans; - -import java.applet.Applet; -import java.applet.AppletContext; -import java.applet.AudioClip; -import java.awt.Image; -import java.awt.Toolkit; -import java.io.IOException; -import java.io.InputStream; -import java.net.URL; -import java.util.Collections; -import java.util.Enumeration; -import java.util.Iterator; - -/** A placeholder <code>AppletContext</code> implementation that does nothing. - * - * <p>This is the default implementation for GNU Classpath and is used for <code>Applet</code> - * beans being created with {@link java.beans.Beans.instantiate}.</p> - * - * <p>It has no functionality in order to allow it to be used without any dependencies - * (e.g. sound, network access, ...).</p> - * - * @author Robert Schuster - */ -class DummyAppletContext implements AppletContext -{ - private static final Enumeration EMPTY_ENUMERATION = Collections.enumeration(Collections.EMPTY_SET); - - DummyAppletContext() - { - } - - /** Implementation is VM neutral and returns a dummy {@link AudioClip} instance - * for every URL that returns a non-<code>null</code> object on - * <code>URL.openConnection()</code>. - * - * @see java.applet.AppletContext#getAudioClip(java.net.URL) - * - * FIXME: When Java Sound API (javax.sound) is included in Classpath or URL is able to handle - * sampled sound this should be adjusted. - */ - public AudioClip getAudioClip(URL url) - { - return Applet.newAudioClip(url); - } - - /** Loads the <code>Image</code> instance by delegating to - * {@link java.awt.Toolkit.createImage(URL) }. - * - * @see java.applet.AppletContext#getImage(java.net.URL) - * @see java.awt.Toolkit#createImage(java.net.URL) - */ - public Image getImage(URL url) - { - return Toolkit.getDefaultToolkit().createImage(url); - } - - /** Returns <code>null</code> for every argument. - * - * @see java.applet.AppletContext#getApplet(java.lang.String) - */ - public Applet getApplet(String name) - { - return null; - } - - /** Returns always an empty <code>Enumeration</code>. - * - * @see java.applet.AppletContext#getApplets() - */ - public Enumeration getApplets() - { - return EMPTY_ENUMERATION; - } - - /** Does nothing. - * - * @see java.applet.AppletContext#showDocument(java.net.URL) - */ - public void showDocument(URL url) - { - } - - /** Does nothing. - * - * @see java.applet.AppletContext#showDocument(java.net.URL, java.lang.String) - */ - public void showDocument(URL url, String target) - { - } - - /** Does nothing. - * - * @see java.applet.AppletContext#showStatus(java.lang.String) - */ - public void showStatus(String message) - { - } - - /** Does nothing. - * - * @see java.applet.AppletContext#setStream(java.lang.String, java.io.InputStream) - */ - public void setStream(String key, InputStream stream) - throws IOException - { - throw new IOException("Dummy implementation imposes zero InputStream associations."); - } - - /** Returns <code>null</code> for every argument. - * - * @see java.applet.AppletContext#getStream(java.lang.String) - */ - public InputStream getStream(String key) - { - return null; - } - - /** Returns always an empty iterator. - * - * @see java.applet.AppletContext#getStreamKeys() - */ - public Iterator getStreamKeys() - { - return Collections.EMPTY_SET.iterator(); - } -} |