Package monq.jfa.ooo

Class ContextBufferingWriter

java.lang.Object

java.io.Writer

monq.jfa.ooo.ContextBufferingWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable, AutoCloseable

public final class ContextBufferingWriter
extends Writer

A writer which keeps a pre- and and a post-context of a marked "line" and writes the "line" out in the context as soon as the required context has been seen. If contexts overlap, the overlapping parts are written for each marked line.

NOTE: this class is mainly final because of "Final classes are immune to finalizer attacks..." from Effective java, Item 8.

Constructor Summary

Constructors

Constructor	Description
ContextBufferingWriter(Writer sink, int preContext, int postContext, String separator)

Method Summary

Modifier and Type	Method	Description
void	close()
void	flush()
void	pushPartition(boolean withMatch)
void	write(char[] cbuf, int off, int len)

Methods inherited from class java.io.Writer

append, append, append, nullWriter, write, write, write, write

Methods inherited from class java.lang.Object

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

Constructor Details

ContextBufferingWriter

public ContextBufferingWriter(Writer sink,
 int preContext,
 int postContext,
 String separator)

Method Details

pushPartition

public void pushPartition(boolean withMatch)
                   throws IOException

Throws:

IOException

write

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

Specified by:

write in class Writer

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Specified by:

flush in class Writer

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Writer

Throws:

IOException