// ShowSavingAClass - Write a class to the local file system. // // Copyright (C) 1996 by Rinaldo Di Giorgio . All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // // THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE // ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS // OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF // SUCH DAMAGE. import java.applet.Applet; import java.util.*; import java.io.*; import java.net.*; /** * Demonstrate how to write Java objects to a disk file * on the local system. The file name is SavedObject in * the directory the program was run in. */ public class ShowSavingAClass extends Applet { FileOutputStream os = null; ObjectOutput s = null; // This is a new type of stream public void init() { Date d = new Date(); try { os = new FileOutputStream("SavedObject"); s = new ObjectOutputStream(os); } catch ( Exception e ) { System.out.println(e); System.out.println("Unable to open stream as an object stream"); } try { s.writeObject("Today"); s.writeObject(d); System.out.println("Object written"); os.close(); } catch ( Exception e ) { System.out.println(e); System.out.println("Unable to write Objects"); } } public static void main(String args[]) { ShowSavingAClass showSavingAClass = new ShowSavingAClass(); showSavingAClass.init(); } }