jay.yydebug

Class yyJInputStream

public class yyJInputStream extends InputStream implements KeyListener

used to reroute standard input from a javax.swing.JTextArea. Feeds all read methods from listening to typed keys. Should not deadlock because one should generally not read from within the event thread.

While this implementation avoids Java generics, code for a generic version has simply been commented out.

Field Summary
protected StringBuffer	line line edit buffer.
protected ArrayList	queue completed lines, ready to be read.

Method Summary
int	available()
void	close()
protected void	doKey(JTextArea ta, char ch, boolean paste) process one typed or pasted character.
void	keyPressed(KeyEvent ke) this one ensures that you can only type at the end and implements control-C as copy and control-V as paste key if `AWTPermission(accessClipboard)` is granted.
void	keyReleased(KeyEvent ke)
void	keyTyped(KeyEvent ke)
int	read()
int	read(byte[] b, int off, int len)
long	skip(long len) returns 0: cannot skip on a terminal.

Field Detail

line

protected final StringBuffer line

line edit buffer.

queue

protected ArrayList queue

completed lines, ready to be read. Invariant: null after yyJInputStream.

Method Detail

available

public int available()

close

public void close()

doKey

protected void doKey(JTextArea ta, char ch, boolean paste)

process one typed or pasted character. The caret position is not updated for pasting.

keyPressed

public void keyPressed(KeyEvent ke)

this one ensures that you can only type at the end and implements control-C as copy and control-V as paste key if AWTPermission(accessClipboard) is granted. This is executed within the event thread.

BUG: paste should be based on the platform paste key; however, Safari does not send that one to an applet.