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Java Source | 1997-07-13 | 2.1 KB | 65 lines |
- /*
- * Copyright (c) 1995-1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL purposes and without
- * fee is hereby granted provided that this copyright notice
- * appears in all copies. Please refer to the file "copyright.html"
- * for further important copyright and licensing information.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
- */
- import java.applet.*;
- import java.awt.*;
- import java.util.Enumeration;
-
- public class GetApplets extends Applet {
- private TextArea textArea;
-
- public void init() {
- setLayout(new BorderLayout());
-
- add("North", new Button("Click to call getApplets()"));
-
- textArea = new TextArea(5, 40);
- textArea.setEditable(false);
- add("Center", textArea);
-
- validate();
- }
-
- public boolean action(Event event, Object o) {
- printApplets();
- return false;
- }
-
- public String getAppletInfo() {
- return "GetApplets by Kathy Walrath";
- }
-
- public void printApplets() {
- //Enumeration will contain all applets on this page (including
- //this one) that we can send messages to.
- Enumeration e = getAppletContext().getApplets();
-
- textArea.appendText("Results of getApplets():\n");
-
- while (e.hasMoreElements()) {
- Applet applet = (Applet)e.nextElement();
- String info = ((Applet)applet).getAppletInfo();
- if (info != null) {
- textArea.appendText("- " + info + "\n");
- } else {
- textArea.appendText("- " + applet.getClass().getName() + "\n");
- }
- }
- textArea.appendText("________________________\n\n");
- }
- }
-
-