/*
* @(#)TextViewer.java 1.12 01/05/23
*
* Copyright 1997-2000 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:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution 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.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
* ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES OR LIABILITIES
* SUFFERED BY LICENSEE AS A RESULT OF OR RELATING TO USE, MODIFICATION
* OR DISTRIBUTION OF THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
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* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
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* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that Software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
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*/
import java.awt.*;
import java.io.*;
import java.beans.*;
import javax.activation.*;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JScrollPane;
/**
* A very simple TextViewer Bean for the MIMEType "text/plain"
*
* @version 1.12, 01/05/23
* @author Christopher Cotton
*/
public class TextViewer extends JPanel implements CommandObject
{
private JTextArea text_area = null;
private DataHandler dh = null;
private String verb = null;
/**
* Constructor
*/
public TextViewer() {
super(new GridLayout(1,1));
// create the text area
text_area = new JTextArea();
text_area.setEditable(false);
text_area.setLineWrap(true);
// create a scroll pane for the JTextArea
JScrollPane sp = new JScrollPane();
sp.setPreferredSize(new Dimension(300, 300));
sp.getViewport().add(text_area);
add(sp);
}
public void setCommandContext(String verb, DataHandler dh)
throws IOException {
this.verb = verb;
this.dh = dh;
this.setInputStream( dh.getInputStream() );
}
/**
* set the data stream, component to assume it is ready to
* be read.
*/
public void setInputStream(InputStream ins) {
int bytes_read = 0;
// check that we can actually read
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte data[] = new byte[1024];
try {
while((bytes_read = ins.read(data)) >0)
baos.write(data, 0, bytes_read);
ins.close();
} catch(Exception e) {
e.printStackTrace();
}
// convert the buffer into a string
// place in the text area
text_area.setText(baos.toString());
}
}
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