spinjar.com.sun.activation.viewers.TextViewer Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.activation.viewers;
import java.awt.*;
import java.io.*;
import java.beans.*;
import javax.activation.*;
public class TextViewer extends Panel implements CommandObject {
// UI Vars...
private TextArea text_area = null;
// File Vars
private File text_file = null;
private String text_buffer = null;
private DataHandler _dh = null;
private boolean DEBUG = false;
/**
* Constructor
*/
public TextViewer() {
setLayout( new GridLayout(1,1));
// create the text area
text_area = new TextArea("", 24, 80,
TextArea.SCROLLBARS_VERTICAL_ONLY );
text_area.setEditable( false );
add(text_area);
}
//--------------------------------------------------------------------
public void setCommandContext(String verb, DataHandler dh) throws IOException {
_dh = dh;
this.setInputStream( _dh.getInputStream() );
}
//--------------------------------------------------------------------
/**
* set the data stream, component to assume it is ready to
* be read.
*
* @param ins the data stream
* @throws IOException for I/O errors
*/
public void setInputStream(InputStream ins) throws IOException {
int bytes_read = 0;
// check that we can actually read
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte data[] = new byte[1024];
while((bytes_read = ins.read(data)) >0)
baos.write(data, 0, bytes_read);
ins.close();
// convert the buffer into a string
// popuplate the buffer
text_buffer = baos.toString();
// place in the text area
text_area.setText(text_buffer);
}
//--------------------------------------------------------------------
public void addNotify() {
super.addNotify();
invalidate();
}
//--------------------------------------------------------------------
public Dimension getPreferredSize() {
return text_area.getMinimumSize(24, 80);
}
}