org.zkoss.util.resource
Class AbstractLoader<K,V>

java.lang.Object
  org.zkoss.util.resource.AbstractLoader<K,V>

All Implemented Interfaces:

Loader<K,V>

Direct Known Subclasses:

ContentLoader

public abstract class AbstractLoader<K,V>
extends Object
implements Loader<K,V>

A skeletal implementation that assumes the source is either URL or File.

Author:

tomyeh

Nested Class Summary

Nested classes/interfaces inherited from interface org.zkoss.util.resource.Loader

Loader.Resource<V>

Constructor Summary

AbstractLoader()

Method Summary

long	getLastModified(K src) Returns the last modified time, or -1 if reload is required or not exists.
boolean	shallCheck(K src, long expiredMillis) Returns whether to call Loader.getLastModified(K).

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.zkoss.util.resource.Loader

load

Constructor Detail

AbstractLoader

public AbstractLoader()

Method Detail

shallCheck

public boolean shallCheck(K src,
                          long expiredMillis)

Description copied from interface: Loader

Returns whether to call Loader.getLastModified(K). If false, it assumes the current cached content is up-to-date.

Specified by:

shallCheck in interface Loader<K,V>

expiredMillis - how many milli-seconds are expired after the last check. In most cases, just return true if expiredMillis > 0

getLastModified

public long getLastModified(K src)

Description copied from interface: Loader

Returns the last modified time, or -1 if reload is required or not exists.

Specified by:

getLastModified in interface Loader<K,V>