de.alpharogroup.wicket.behaviors

Class AjaxDownloadBehavior

java.lang.Object

org.apache.wicket.behavior.Behavior

org.apache.wicket.behavior.AbstractAjaxBehavior

de.alpharogroup.wicket.behaviors.AjaxDownloadBehavior

All Implemented Interfaces:

Serializable, org.apache.wicket.behavior.IBehaviorListener, org.apache.wicket.IComponentAwareEventSink, org.apache.wicket.IRequestListener, org.apache.wicket.markup.html.IComponentAwareHeaderContributor, org.apache.wicket.util.io.IClusterable

public abstract class AjaxDownloadBehavior
extends org.apache.wicket.behavior.AbstractAjaxBehavior

This behavior enables us to initiate the download after the AJAX request has been completed. Inspired from @see https://cwiki.apache.org/confluence/display/WICKET/AJAX+update+and+file+ download+in+one+blow.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.wicket.behavior.IBehaviorListener

INTERFACE

Constructor Summary

Constructors

Constructor and Description
AjaxDownloadBehavior() Instantiates a new AjaxDownloadBehavior.
AjaxDownloadBehavior(boolean antiCache) Instantiates a new AjaxDownloadBehavior.

Method Summary

Modifier and Type	Method and Description
protected abstract String	getFileName() Hook method for a file name which will let the browser prompt with a save/open dialog.
protected abstract org.apache.wicket.util.resource.IResourceStream	getResourceStream() Hook method providing the actual resource stream.
void	initiate(org.apache.wicket.ajax.AjaxRequestTarget target) Call this method to initiate the download.
void	onRequest()

Methods inherited from class org.apache.wicket.behavior.AbstractAjaxBehavior

afterRender, bind, getCallbackUrl, getComponent, onBind, onComponentRendered, onComponentTag, onComponentTag, onUnbind, unbind

Methods inherited from class org.apache.wicket.behavior.Behavior

beforeRender, canCallListenerInterface, detach, getStatelessHint, isEnabled, isTemporary, onConfigure, onEvent, onException, onRemove, renderHead

Methods inherited from class java.lang.Object

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

Constructor Detail

AjaxDownloadBehavior

public AjaxDownloadBehavior()

Instantiates a new AjaxDownloadBehavior.

AjaxDownloadBehavior

public AjaxDownloadBehavior(boolean antiCache)

Instantiates a new AjaxDownloadBehavior.

Parameters:

antiCache - the anti cache

Method Detail

initiate

public void initiate(org.apache.wicket.ajax.AjaxRequestTarget target)

Call this method to initiate the download.

Parameters:

target - the AjaxRequestTarget

onRequest

public void onRequest()

getFileName

protected abstract String getFileName()

Hook method for a file name which will let the browser prompt with a save/open dialog.

Returns:

the file name

getResourceStream

protected abstract org.apache.wicket.util.resource.IResourceStream getResourceStream()

Hook method providing the actual resource stream.

Returns:

the resource stream.