advertisementviewer.java

jxta-cms-src-2.4.zip 是官网上的比较稳定的CMS源代码。目前是最稳定的高版本。

/*
 * Copyright (c) 2001 Sun Microsystems, Inc.  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.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 SUN MICROSYSTEMS OR
 * ITS 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 *
 * $Id: AdvertisementViewer.java,v 1.2 2004/03/11 00:47:54 hamada Exp $
 */

package net.jxta.test;

import net.jxta.document.Advertisement;
import net.jxta.document.MimeMediaType;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.Frame;
import java.awt.TextArea;
import java.awt.Window;
import java.io.InputStream;
import java.io.IOException;


/** A window for viewing JXTA Advertisements
 *@author $Author: hamada $
 */
class AdvertisementViewer extends Frame {

     TextArea text = new TextArea();

     /**
      * @param adv the advertisement to display
      */
     public AdvertisementViewer(Advertisement adv) {
	 super(adv.getClass().getName());
	 text.setEditable(false);
	 MimeMediaType mmt = new MimeMediaType("text/xml");
	 StringBuffer sb;
	 InputStream in;
	 try {
	     sb = new StringBuffer();
	     in = adv.getDocument(mmt).getStream();
	     int a;
	     while((a = in.read()) != -1)
		 sb.append((char)a);
	     text.append(sb.toString());
	     in.close();
	 } catch(IOException ioe) {
	     text.append("error reading advertisement");
	 }
	 addWindowListener(new WindowAdapter() {
		 public void windowClosing(WindowEvent we) {
		     Window source = we.getWindow();
		     source.setVisible(false);
		     source.dispose();
		 }
	     });
	 add(text);
	 setSize(400, 400);
	 setVisible(true);
     }	
}