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Class WriterManager

public class WriterManager extends Object implements 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

Method Summary
WriterRef	register(Writer port) Register a Writer.
boolean	registerShutdownHook() Try to register this as a shutdown hook.
void	run()
void	unregister(Object key) Unregister a Writer.

Field Detail

instance

public static final WriterManager instance

Method Detail

register

public WriterRef register(Writer port)

Returns: an object that can be passed to WriterManager.

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).

run

public void run()

unregister

public void unregister(Object key)

Unregister a Writer.

Parameters: key the object returned by the correspodning WriterManager.