Package org.hippoecm.frontend.plugins.jquery.upload.behaviors

Class AjaxFileUploadBehavior

java.lang.Object

org.apache.wicket.behavior.Behavior

org.apache.wicket.behavior.AbstractAjaxBehavior

org.hippoecm.frontend.plugins.jquery.upload.behaviors.AjaxFileUploadBehavior

All Implemented Interfaces:

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

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

The file upload behavior to handle uploads sent by ajax requests. The component container can override the following events:

• onBeforeUpload(FileUploadInfo)
• process(FileUpload)
• onUploadError(FileUploadInfo)
• onAfterUpload(FileItem, FileUploadInfo)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static String	APPLICATION_JSON
static String	JQUERY_FILEUPLOAD_ERROR
static String	JQUERY_FILEUPLOAD_FILES
static String	JQUERY_FILEUPLOAD_NAME
static String	JQUERY_FILEUPLOAD_SIZE

Constructor Summary

Constructors

Constructor	Description
AjaxFileUploadBehavior(org.apache.wicket.markup.html.WebMarkupContainer container)

Method Summary

Modifier and Type	Method	Description
protected void	onAfterUpload(org.apache.commons.fileupload.FileItem file, FileUploadInfo fileUploadInfo)
protected void	onBeforeUpload(FileUploadInfo fileUploadInfo)	Event is fired before processing the uploaded file.
void	onRequest()
protected void	onResponse(org.apache.wicket.protocol.http.servlet.ServletWebRequest request, Map<String,FileUploadInfo> uploadedFiles)
protected void	onUploadError(FileUploadInfo fileUploadInfo)
protected org.apache.wicket.markup.html.form.upload.FileUpload	preProcess(org.apache.commons.fileupload.FileItem fileItem, org.apache.wicket.markup.html.form.upload.FileUpload originalFileUpload)
protected abstract void	process(org.apache.wicket.markup.html.form.upload.FileUpload fileUpload)
protected void	setResponse(org.apache.wicket.protocol.http.servlet.ServletWebRequest request, Map<String,FileUploadInfo> uploadedFiles)
protected void	validate(org.apache.wicket.markup.html.form.upload.FileUpload fileUpload)
protected boolean	wantsHtml(org.apache.wicket.protocol.http.servlet.ServletWebRequest request)	Decides what should be the response's content type depending on the 'Accept' request header.

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, canCallListener, detach, getStatelessHint, isEnabled, isTemporary, onAttribute, onConfigure, onEvent, onException, onRemove, onTag, renderHead

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.wicket.IRequestListener

rendersPage

Field Detail

APPLICATION_JSON

public static final String APPLICATION_JSON

See Also:

Constant Field Values

JQUERY_FILEUPLOAD_FILES

public static final String JQUERY_FILEUPLOAD_FILES

See Also:

Constant Field Values

JQUERY_FILEUPLOAD_NAME

public static final String JQUERY_FILEUPLOAD_NAME

See Also:

Constant Field Values

JQUERY_FILEUPLOAD_SIZE

public static final String JQUERY_FILEUPLOAD_SIZE

See Also:

Constant Field Values

JQUERY_FILEUPLOAD_ERROR

public static final String JQUERY_FILEUPLOAD_ERROR

See Also:

Constant Field Values

Constructor Detail

AjaxFileUploadBehavior

public AjaxFileUploadBehavior(org.apache.wicket.markup.html.WebMarkupContainer container)

Method Detail

onRequest

public void onRequest()

onBeforeUpload

protected void onBeforeUpload(FileUploadInfo fileUploadInfo)

Event is fired before processing the uploaded file.

onUploadError

protected void onUploadError(FileUploadInfo fileUploadInfo)

validate

protected void validate(org.apache.wicket.markup.html.form.upload.FileUpload fileUpload)
                 throws FileUploadViolationException

Throws:

FileUploadViolationException

preProcess

protected org.apache.wicket.markup.html.form.upload.FileUpload preProcess(org.apache.commons.fileupload.FileItem fileItem,
                                                                          org.apache.wicket.markup.html.form.upload.FileUpload originalFileUpload)
                                                                   throws Exception

Throws:

Exception

process

protected abstract void process(org.apache.wicket.markup.html.form.upload.FileUpload fileUpload)
                         throws FileUploadViolationException

Throws:

FileUploadViolationException

setResponse

protected void setResponse(org.apache.wicket.protocol.http.servlet.ServletWebRequest request,
                           Map<String,FileUploadInfo> uploadedFiles)

wantsHtml

protected boolean wantsHtml(org.apache.wicket.protocol.http.servlet.ServletWebRequest request)

Decides what should be the response's content type depending on the 'Accept' request header. HTML5 browsers work with "application/json", older ones use IFrame to make the upload and the response should be HTML. Read http://blueimp.github.com/jQuery-File-Upload/ docs for more info.

Parameters:

request -

onAfterUpload

protected void onAfterUpload(org.apache.commons.fileupload.FileItem file,
                             FileUploadInfo fileUploadInfo)

onResponse

protected void onResponse(org.apache.wicket.protocol.http.servlet.ServletWebRequest request,
                          Map<String,FileUploadInfo> uploadedFiles)