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* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
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* modification, are permitted provided that the following conditions
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*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
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*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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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"
*
* @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());
}
}