diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/java.desktop/share/classes/java/applet/AppletContext.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/classes/java/applet/AppletContext.java Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,206 @@ +/* + * Copyright (c) 1995, 2017, 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 java.applet; + +import java.awt.Image; +import java.awt.Graphics; +import java.awt.image.ColorModel; +import java.net.URL; +import java.util.Enumeration; +import java.io.InputStream; +import java.io.IOException; +import java.util.Iterator; + +/** + * This interface corresponds to an applet's environment: the + * document containing the applet and the other applets in the same + * document. + *

+ * The methods in this interface can be used by an applet to obtain + * information about its environment. + * + * @author Arthur van Hoff + * @since 1.0 + * + * @deprecated The Applet API is deprecated. See the + * java.applet package documentation + * for further information. + */ + +@Deprecated(since = "9") +public interface AppletContext { + /** + * Creates an audio clip. + * + * @param url an absolute URL giving the location of the audio clip. + * @return the audio clip at the specified URL. + */ + AudioClip getAudioClip(URL url); + + /** + * Returns an {@code Image} object that can then be painted on + * the screen. The {@code url} argument that is + * passed as an argument must specify an absolute URL. + *

+ * This method always returns immediately, whether or not the image + * exists. When the 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 + */ + Image getImage(URL url); + + /** + * Finds and returns the applet in the document represented by this + * applet context with the given name. The name can be set in the + * HTML tag by setting the {@code name} attribute. + * + * @param name an applet name. + * @return the applet with the given name, or {@code null} if + * not found. + */ + Applet getApplet(String name); + + /** + * Finds all the applets in the document represented by this applet + * context. + * + * @return an enumeration of all applets in the document represented by + * this applet context. + */ + Enumeration getApplets(); + + /** + * Requests that the browser or applet viewer show the Web page + * indicated by the {@code url} argument. The browser or + * applet viewer determines which window or frame to display the + * Web page. This method may be ignored by applet contexts that + * are not browsers. + * + * @param url an absolute URL giving the location of the document. + */ + void showDocument(URL url); + + /** + * Requests that the browser or applet viewer show the Web page + * indicated by the {@code url} argument. The + * {@code target} argument indicates in which HTML frame the + * document is to be displayed. + * The target argument is interpreted as follows: + * + * + * + * + * + * + * + * + * + * + * + * + * + * + *
Target arguments and their descriptions
Target ArgumentDescription
{@code "_self"} Show in the window and frame that + * contain the applet.
{@code "_parent"}Show in the applet's parent frame. If + * the applet's frame has no parent frame, + * acts the same as "_self".
{@code "_top"} Show in the top-level frame of the applet's + * window. If the applet's frame is the + * top-level frame, acts the same as "_self".
{@code "_blank"} Show in a new, unnamed + * top-level window.
nameShow in the frame or window named name. If + * a target named name does not already exist, a + * new top-level window with the specified name is created, + * and the document is shown there.
+ *

+ * An applet viewer or browser is free to ignore {@code showDocument}. + * + * @param url an absolute URL giving the location of the document. + * @param target a {@code String} indicating where to display + * the page. + */ + public void showDocument(URL url, String target); + + /** + * 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 status a string to display in the status window. + */ + void showStatus(String status); + + /** + * Associates the specified stream with the specified key in this + * applet context. If the applet context previously contained a mapping + * for this key, the old value is replaced. + *

+ * For security reasons, mapping of streams and keys exists for each + * codebase. In other words, applet from one codebase cannot access + * the streams created by an applet from a different codebase + * + * @param key key with which the specified value is to be associated. + * @param stream stream to be associated with the specified key. If this + * parameter is {@code null}, the specified key is removed + * in this applet context. + * @throws IOException if the stream size exceeds a certain + * size limit. Size limit is decided by the implementor of this + * interface. + * @since 1.4 + */ + public void setStream(String key, InputStream stream)throws IOException; + + /** + * Returns the stream to which specified key is associated within this + * applet context. Returns {@code null} if the applet context contains + * no stream for this key. + *

+ * For security reasons, mapping of streams and keys exists for each + * codebase. In other words, applet from one codebase cannot access + * the streams created by an applet from a different codebase + * + * @return the stream to which this applet context maps the key + * @param key key whose associated stream is to be returned. + * @since 1.4 + */ + public InputStream getStream(String key); + + /** + * Finds all the keys of the streams in this applet context. + *

+ * For security reasons, mapping of streams and keys exists for each + * codebase. In other words, applet from one codebase cannot access + * the streams created by an applet from a different codebase + * + * @return an Iterator of all the names of the streams in this applet + * context. + * @since 1.4 + */ + public Iterator getStreamKeys(); +}