gnu.text

Class WriterManager

java.lang.Object

gnu.text.WriterManager

All Implemented Interfaces:

java.lang.Runnable

public final class WriterManager
extends java.lang.Object
implements java.lang.Runnable

Manages a collection of Writers, handling automatic closing. This class is useful for making sure that a Writer is closed (and its buffers flushed) when a VM exits. A WriterManager can be usefully passed to the JDK 1.3 method addShutdownHook in Runtime.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WriterManager.WriterRef

Field Summary

Fields

Modifier and Type	Field and Description
static WriterManager	instance

Method Summary

Modifier and Type	Method and Description
WriterManager.WriterRef	register(OutPort port) Register a Writer.
boolean	registerShutdownHook() Try to register this as a shutdown hook.
void	run()
void	unregister(WriterManager.WriterRef key) Unregister a Writer.

Methods inherited from class java.lang.Object

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

Field Detail

instance

public static final WriterManager instance

Method Detail

register

public WriterManager.WriterRef register(OutPort port)

Register a Writer.

Returns:

an object that can be passed to unregister(gnu.text.WriterManager.WriterRef).

unregister

public void unregister(WriterManager.WriterRef key)

Unregister a Writer.

Parameters:

key - the object returned by the correspodning register(gnu.mapping.OutPort).

run

public void run()

Specified by:

run in interface java.lang.Runnable

registerShutdownHook

public boolean registerShutdownHook()

Try to register this as a shutdown hook.

Returns:

true on success; false if failure (e.g. if not JDK1.3-compatible).