net.spy.net
Class URLWatcher

java.lang.Object
  net.spy.SpyObject
      net.spy.net.URLWatcher

public final class URLWatcher

extends SpyObject

URLWatcher watches URLs and provides access to the most recent data from the URL.

Method Summary

String	getContent(URL u) Get the content (as a String) for a given URL.
static URLWatcher	getInstance() Get the static instance of URLWatcher.
boolean	isWatching(URL u) Find out if this URLWatcher is watching a given URL.
void	shutdown() Instruct the URLWatcher to stop URLWatching.
void	startWatching(URLItem u) Start watching the given URL.
String	toString() String me.

Methods inherited from class net.spy.SpyObject

getLogger

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static URLWatcher getInstance()

Get the static instance of URLWatcher.

Returns:

the URLWatcher

toString

public String toString()

String me.

isWatching

public boolean isWatching(URL u)

Find out if this URLWatcher is watching a given URL.

Parameters:

u - the URL to test

Returns:

true if the URL is already being watched

startWatching

public void startWatching(URLItem u)

Start watching the given URL.

Parameters:

u - The item to watch

shutdown

public void shutdown()

Instruct the URLWatcher to stop URLWatching.

getContent

public String getContent(URL u)
                  throws IOException

Get the content (as a String) for a given URL.

Parameters:

u - The URL whose content we want

Returns:

The String contents, or null if none could be retreived

Throws:

IOException - if there was a problem updating the URL