org.freehep.util.io
Class LineNumberWriter

java.lang.Object
  |
  +--java.io.Writer
        |
        +--org.freehep.util.io.LineNumberWriter

public class LineNumberWriter

extends Writer

Counts line numbers, based on the first cr-lf, cr or lf it finds. Informs a listener when the linenumber exceeds a threshold. Listeners can only be informed from the second line only.

Version:

$Id: LineNumberWriter.java,v 1.1 2003/05/18 06:43:21 duns Exp $

Author:

Mark Donszelmann

Nested Class Summary

static class	LineNumberWriter.LineNumberEvent
static interface	LineNumberWriter.LineNumberListener

Field Summary

Fields inherited from class java.io.Writer

lock

Constructor Summary

LineNumberWriter(Writer out)

Method Summary

void	addLineNumberListener(LineNumberWriter.LineNumberListener listener, int lineNoLimit)
void	close()
void	flush()
int	getLineNumber() Returns the line number that is currently being written.
void	setLineNumber(int lineNo)
void	write(char[] cbuf)
void	write(char[] cbuf, int off, int len)
void	write(int c)
void	write(String str)
void	write(String str, int off, int len)

Methods inherited from class java.lang.Object

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

Constructor Detail

LineNumberWriter

public LineNumberWriter(Writer out)

Method Detail

write

public void write(char[] cbuf)
           throws IOException

Overrides:

write in class Writer

IOException

write

public void write(char[] cbuf,
                  int off,
                  int len)
           throws IOException

Specified by:

write in class Writer

IOException

write

public void write(String str)
           throws IOException

Overrides:

write in class Writer

IOException

write

public void write(String str,
                  int off,
                  int len)
           throws IOException

Overrides:

write in class Writer

IOException

write

public void write(int c)
           throws IOException

Overrides:

write in class Writer

IOException

close

public void close()
           throws IOException

Specified by:

close in class Writer

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in class Writer

IOException

getLineNumber

public int getLineNumber()

Returns the line number that is currently being written.

setLineNumber

public void setLineNumber(int lineNo)

addLineNumberListener

public void addLineNumberListener(LineNumberWriter.LineNumberListener listener,
                                  int lineNoLimit)
                           throws TooManyListenersException

TooManyListenersException