Package org.apache.wicket.markup.html.image

Class NonCachingImage

java.lang.Object

org.apache.wicket.Component

org.apache.wicket.markup.html.WebComponent

org.apache.wicket.markup.html.image.Image

org.apache.wicket.markup.html.image.NonCachingImage

All Implemented Interfaces:

Serializable, IEventSink, IEventSource, IFeedbackContributor, IConverterLocator, IMetadataContext<Serializable,Component>, IRequestListener, IHeaderContributor, IRequestableComponent, IHierarchical<Component>, IClusterable

public class NonCachingImage
extends Image

A subclass of Image that always adds random noise to the url every request to prevent the browser from caching the image.

Author:

Igor Vaynberg (ivaynberg)

See Also:

• Image.shouldAddAntiCacheParameter()
• Serialized Form

Field Summary

Fields inherited from class org.apache.wicket.Component

ENABLE, FLAG_INITIALIZED, FLAG_RESERVED1, FLAG_RESERVED2, FLAG_RESERVED3, FLAG_RESERVED4, FLAG_RESERVED5, FLAG_RESERVED8, PARENT_PATH, PATH_SEPARATOR, RENDER, RFLAG_CONTAINER_DEQUEING, RFLAG_CONTAINER_HAS_REMOVALS

Constructor Summary

Constructors

Constructor	Description
NonCachingImage(String id)	Construct.
NonCachingImage(String id, String string)	Construct.
NonCachingImage(String id, IModel<?> model)	Construct.
NonCachingImage(String id, IResource imageResource)	Construct.
NonCachingImage(String id, ResourceReference resourceReference)	Construct.
NonCachingImage(String id, ResourceReference resourceReference, PageParameters resourceParameters)	Construct.

Method Summary

Modifier and Type	Method	Description
protected boolean	shouldAddAntiCacheParameter()	Overriden to precent caching.

Methods inherited from class org.apache.wicket.markup.html.image.Image

addAntiCacheParameter, buildSizesAttribute, buildSrcAttribute, buildSrcSetAttribute, canCallListener, getCrossOrigin, getImageResource, getImageResourceReference, getStatelessHint, initModel, onComponentTag, onComponentTagBody, onRequest, removeSizes, removeXValues, rendersPage, setCrossOrigin, setDefaultModel, setImageResource, setImageResourceReference, setImageResourceReference, setImageResourceReferences, setImageResources, setSizes, setXValues

Methods inherited from class org.apache.wicket.markup.html.WebComponent

getWebApplication, getWebPage, getWebRequest, getWebResponse, getWebSession, onRender

Methods inherited from class org.apache.wicket.Component

add, addStateChange, beforeRender, canCallListenerAfterExpiry, checkComponentTag, checkComponentTagAttribute, checkHierarchyChange, clearOriginalDestination, configure, continueToOriginalDestination, createConverter, debug, detach, detachModel, detachModels, determineVisibility, error, exceptionMessage, fatal, findMarkupStream, findPage, findParent, findParentWithAssociatedMarkup, get, getAjaxRegionMarkupId, getApplication, getBehaviorById, getBehaviorId, getBehaviors, getBehaviors, getClassRelativePath, getConverter, getDefaultModel, getDefaultModelObject, getDefaultModelObjectAsString, getDefaultModelObjectAsString, getEscapeModelStrings, getFeedbackMessages, getFlag, getId, getInnermostModel, getInnermostModel, getLocale, getLocalizer, getMarkup, getMarkupAttributes, getMarkupId, getMarkupId, getMarkupIdFromMarkup, getMarkupIdImpl, getMarkupSourcingStrategy, getMarkupTag, getMetaData, getModelComparator, getOutputMarkupId, getOutputMarkupPlaceholderTag, getPage, getPageRelativePath, getParent, getPath, getRenderBodyOnly, getRequest, getRequestCycle, getRequestFlag, getResponse, getSession, getSizeInBytes, getString, getString, getString, getStyle, getVariation, hasBeenRendered, hasErrorMessage, hasFeedbackMessage, info, internalInitialize, internalOnModelChanged, internalRenderComponent, internalRenderHead, isActionAuthorized, isAuto, isBehaviorAccepted, isEnableAllowed, isEnabled, isEnabledInHierarchy, isIgnoreAttributeModifier, isInitialized, isRenderAllowed, isRendering, isStateless, isVersioned, isVisibilityAllowed, isVisible, isVisibleInHierarchy, markRendering, modelChanged, modelChanging, newMarkupSourcingStrategy, onAfterRender, onBeforeRender, onConfigure, onDetach, onEvent, onInitialize, onModelChanged, onModelChanging, onReAdd, onRemove, redirectToInterceptPage, remove, remove, render, renderComponentTag, rendered, renderHead, renderPart, renderPlaceholderTag, replaceComponentTagBody, replaceWith, sameInnermostModel, sameInnermostModel, send, setAuto, setDefaultModelObject, setEnabled, setEscapeModelStrings, setFlag, setIgnoreAttributeModifier, setMarkup, setMarkupId, setMarkupIdImpl, setMetaData, setOutputMarkupId, setOutputMarkupPlaceholderTag, setParent, setRenderBodyOnly, setResponsePage, setResponsePage, setResponsePage, setVersioned, setVisibilityAllowed, setVisible, success, toString, toString, urlFor, urlFor, urlFor, urlForListener, urlForListener, visitParents, visitParents, warn, wrap

Methods inherited from class java.lang.Object

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

Constructor Details

NonCachingImage

public NonCachingImage(String id,
 IModel<?> model)

Construct.

Parameters:

id -

model -

See Also:

• Image(String, IModel)

NonCachingImage

public NonCachingImage(String id,
 IResource imageResource)

Construct.

Parameters:

id -

imageResource -

See Also:

• Image(String, IResource, IResource...)

NonCachingImage

public NonCachingImage(String id,
 ResourceReference resourceReference,
 PageParameters resourceParameters)

Construct.

Parameters:

id -

resourceReference -

resourceParameters -

See Also:

• Image(String, ResourceReference, PageParameters, ResourceReference...)

NonCachingImage

public NonCachingImage(String id,
 ResourceReference resourceReference)

Construct.

Parameters:

id -

resourceReference -

See Also:

• Image(String, ResourceReference, ResourceReference...)

NonCachingImage

public NonCachingImage(String id,
 String string)

Construct.

Parameters:

id -

string -

See Also:

• Image(String, String)

NonCachingImage

public NonCachingImage(String id)

Construct.

Parameters:

id -

See Also:

• Image(String)

Method Details

shouldAddAntiCacheParameter

protected boolean shouldAddAntiCacheParameter()

Overriden to precent caching.

Overrides:

shouldAddAntiCacheParameter in class Image

Returns:

always true