org.ops4j.net

Class ConnectionCache

java.lang.Object

org.ops4j.net.ConnectionCache

All Implemented Interfaces:

Runnable, ExceptionSource

public final class ConnectionCache
extends Object
implements Runnable, ExceptionSource

This class is to be used to cache URLConnections.

Method Summary

Methods

Modifier and Type	Method and Description
URLConnection	get(Object key) Returns the URLConnection associated with the given key.
List<ExceptionMonitor>	getExceptionMonitors() Returns all ExceptionMonitors that are registered.
static ConnectionCache	getInstance() Returns the singleton instance.
void	put(Object key, URLConnection conn) Stores a URLConnection in association with a key.
void	registerExceptionMonitor(ExceptionMonitor monitor) Register a ExceptionMonitor with the source.
void	run() When an object implementing interface Runnable is used to create a thread, starting the thread causes the object's run method to be called in that separately executing thread.
void	unregisterExceptionMonitor(ExceptionMonitor monitor) Unregister a ExceptionMonitor with the source.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static ConnectionCache getInstance()

Returns the singleton instance.

Returns:

the singleton instance.

get

public URLConnection get(Object key)

Returns the URLConnection associated with the given key.

Parameters:

key - The key that is associated to the URL.

Returns:

the URLConnection associated with the given key.

put

public void put(Object key,
       URLConnection conn)

Stores a URLConnection in association with a key.

Parameters:

key - The key that is associated to the URLConnection.

conn - The URLConnection that should be stored in association with the key.

run

public void run()

When an object implementing interface Runnable is used to create a thread, starting the thread causes the object's run method to be called in that separately executing thread.

The general contract of the method run is that it may take any action whatsoever.

Specified by:

run in interface Runnable

See Also:

Thread.run()

registerExceptionMonitor

public void registerExceptionMonitor(ExceptionMonitor monitor)
                              throws TooManyMonitorsException

Register a ExceptionMonitor with the source.

Specified by:

registerExceptionMonitor in interface ExceptionSource

Parameters:

monitor - The ExceptionMonitor to be notified.

Throws:

TooManyMonitorsException - If more than one monitor is registered.

unregisterExceptionMonitor

public void unregisterExceptionMonitor(ExceptionMonitor monitor)

Unregister a ExceptionMonitor with the source.

Specified by:

unregisterExceptionMonitor in interface ExceptionSource

Parameters:

monitor - The ExceptionMonitor to be unregistered.

getExceptionMonitors

public List<ExceptionMonitor> getExceptionMonitors()

Returns all ExceptionMonitors that are registered.

Specified by:

getExceptionMonitors in interface ExceptionSource

Returns:

all ExceptionMonitors that are registered.