gnu.text
Class WriterManager

java.lang.Object
  gnu.text.WriterManager

All Implemented Interfaces:

java.lang.Runnable

public 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.

Field Summary

static WriterManager

instance

Constructor Summary

WriterManager()

Method Summary

gnu.text.WriterRef	register(java.io.Writer port) Register a Writer.
boolean	registerShutdownHook() Try to register this as a shutdown hook.
void	run()
void	unregister(java.lang.Object 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

Constructor Detail

WriterManager

public WriterManager()

Method Detail

register

public gnu.text.WriterRef register(java.io.Writer port)

Register a Writer.

Returns:

an object that can be passed to unregister(java.lang.Object).

unregister

public void unregister(java.lang.Object key)

Unregister a Writer.

Parameters:

key - the object returned by the correspodning register(java.io.Writer).

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).