org.zkoss.util.resource
Class AbstractLoader

java.lang.Object
  org.zkoss.util.resource.AbstractLoader

All Implemented Interfaces:

Loader

Direct Known Subclasses:

ContentLoader

public abstract class AbstractLoader
extends Object
implements Loader

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

Constructor Summary

AbstractLoader()

Method Summary

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

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(Object src,
                          long expiredMillis)

Description copied from interface: Loader

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

Specified by:

shallCheck in interface Loader

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

getLastModified

public long getLastModified(Object 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