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+/* AppletContext.java -- access the applet's runtime environment
+   Copyright (C) 1999, 2002, 2004  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.Image;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.Iterator;
+
+/**
+ * This interface allows an applet access to the browser to retrieve
+ * additional data files and display documents.  It also allows the
+ * applet to find out other applets in the same document.
+ *
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ * @since 1.0
+ * @status updated to 1.4
+ */
+public interface AppletContext
+{
+  /**
+   * Returns an audio clip from the specified URL.
+   *
+   * @param url the URL of the audio clip
+   * @return the retrieved audio clip
+   * @throws NullPointerException if url is null
+   */
+  AudioClip getAudioClip(URL url);
+
+  /**
+   * 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 absolute URL of the image
+   * @return the retrieved image
+   * @throws NullPointerException if url is null
+   */
+  Image getImage(URL url);
+
+  /**
+   * Returns the applet in the document for this object that has the
+   * specified name.
+   *
+   * @param name the applet name
+   * @return the requested applet, or <code>null</code> if not found
+   */
+  Applet getApplet(String name);
+
+  /**
+   * Returns a list of all the applets in the document for this object.
+   *
+   * @return a list of all the applets
+   */
+  Enumeration getApplets();
+
+  /**
+   * Displays the web page pointed to by the specified URL in the window
+   * for this object.  This page replaces the document that is currently
+   * there.
+   *
+   * @param url the URL of the web page to load; unspecified on an error
+   */
+  void showDocument(URL url);
+
+  /**
+   * Displays the web page pointed to be the sepcified URL in the window
+   * with the specified name.  The standard names "_top", "_blank",
+   * "_parent", and "_self" are allowed. An applet viewer may disregard
+   * this request.
+   *
+   * @param url the URL of the web page to load
+   * @param target the target window
+   */
+  void showDocument(URL url, String target);
+
+  /**
+   * Displays the specified message in the status window if that window
+   * exists.
+   *
+   * @param message the status message, may be null
+   */
+  void showStatus(String message);
+
+  /**
+   * Associate a stream to a key for this applet context, possibly replacing
+   * the old value. Stream associations are local to the applet context, for
+   * security purposes.
+   *
+   * @param key the key to associate with
+   * @param stream the stream value to tie to the key, or null to remove
+   * @throws IOException if the stream is too large
+   * @since 1.4
+   */
+  void setStream(String key, InputStream stream) throws IOException;
+
+  /**
+   * Return the stream associated with a given key in this applet context, or
+   * null if nothing is associated. Stream associations are local to the
+   * applet context, for security purposes.
+   *
+   * @param key the key to look up
+   * @return the associated stream, or null
+   * @since 1.4
+   */
+  InputStream getStream(String key);
+
+  /**
+   * Iterate over all keys that have associated streams. Stream associated
+   * are local to the applet context, for security purposes.
+   *
+   * @return an iterator over the association keys
+   * @since 1.4
+   */
+  Iterator getStreamKeys();
+} // interface AppletContext