com.deltax.util
Class JPanelOutputStream

java.lang.Object
  java.io.OutputStream
      com.deltax.util.JPanelOutputStream

public class JPanelOutputStream

extends java.io.OutputStream

A class to use a JPanel as an output stream.

The class extends OutputStream and outputs to a JPanel, which can be obtained by invoking getPanel().

The flush() method can be called to actually update the associated panel.

Version:

1.2

Field Summary

protected java.lang.String	lineSep The platform line separator
protected javax.swing.JList	list The JList used to display the output.
protected int	maxLines The number of maximum allowed lines, or -1.
protected javax.swing.JPanel	panel The associated JPanel object.
protected java.lang.StringBuffer	sb The current line buffer.

Constructor Summary

JPanelOutputStream()
Create JPanelOutputStream.

JPanelOutputStream(int maxLines)
Create JPanelOutputStream whose JPanel will display the given maximum number of lines.

JPanelOutputStream(java.lang.String[] data)
Create a panel which displays the given lines.

Method Summary

void	clear() Clear the panel
void	flush() Completes the current line by writing a line separator.
java.lang.String	getContents() Return the panel contents as a String.
java.awt.Font	getFont() Get the font with which the panel displays the text.
javax.swing.JPanel	getPanel() Return the panel associated to the panel.
void	setFont(java.awt.Font font) Set the font with which the panel displays the text.
void	write(int b) Implements the OutputStream's write method.

Methods inherited from class java.io.OutputStream

close, write, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

maxLines

protected int maxLines

The number of maximum allowed lines, or -1.

panel

protected javax.swing.JPanel panel

The associated JPanel object.

list

protected javax.swing.JList list

The JList used to display the output.

sb

protected java.lang.StringBuffer sb

The current line buffer.

lineSep

protected java.lang.String lineSep

The platform line separator

Constructor Detail

JPanelOutputStream

public JPanelOutputStream()

Create JPanelOutputStream.

JPanelOutputStream

public JPanelOutputStream(int maxLines)

Create JPanelOutputStream whose JPanel will display the given maximum number of lines.

Parameters:

maxLines - tha maximum number of lines of the associated JPanel.

JPanelOutputStream

public JPanelOutputStream(java.lang.String[] data)

Create a panel which displays the given lines.

Parameters:

data - an array of lines

Method Detail

setFont

public void setFont(java.awt.Font font)

Set the font with which the panel displays the text.

Parameters:

font - the font to use

getFont

public java.awt.Font getFont()

Get the font with which the panel displays the text.

clear

public void clear()

Clear the panel

getContents

public java.lang.String getContents()

Return the panel contents as a String. The platform default line separator is used to divide the lines.

Returns:

the panel contents as a String

getPanel

public javax.swing.JPanel getPanel()

Return the panel associated to the panel.

write

public void write(int b)
           throws java.io.IOException

Implements the OutputStream's write method.

Parameters:

b - the character to write

Throws:

java.io.IOException

flush

public void flush()

Completes the current line by writing a line separator.