info.magnolia.ui.form.field.upload.basic
Class BasicFileItemWrapper

java.lang.Object
  info.magnolia.ui.form.field.upload.basic.BasicFileItemWrapper

All Implemented Interfaces:

FileItemWrapper

public class BasicFileItemWrapper
extends Object
implements FileItemWrapper

Base Implementation of FileItemWrapper. This class perform the bridge between an Item and a UploadReceiver.
During initialization, the Item passed on the constructor populate the local variables.
These local variables are used by the Field to display File informations (like FileName, FileSize...)
When an Upload is performed (Uploaded File is handled by the UploadReceiver),
- the local variables are populated based on the UploadReceiver values
- the Item is also populated based on these values.

Field Summary

protected long	fileSize
protected AbstractJcrNodeAdapter	item

Constructor Summary

BasicFileItemWrapper(AbstractJcrNodeAdapter jcrItem, File tmpDirectory)

BasicFileItemWrapper(File tmpDirectory)

Method Summary

void	clearProperties() Clear the local variables.
String	getExtension()
File	getFile()
protected com.vaadin.data.Property<?>	getFileFormatProperty()
String	getFileName()
protected com.vaadin.data.Property<?>	getFileNameProperty() Used to access the Item property in order to set the input dataSource of a TextField.
long	getFileSize()
String	getMimeType()
protected void	initJcrItemProperty(AbstractJcrNodeAdapter jcrItem) Initialize a Item Node Adapter with the mandatory File property.
boolean	isEmpty() Return true if the binaryData is not empty.
void	populateFromItem(com.vaadin.data.Item jcrItem) Populate the local variable with the values of the Item.
void	populateFromReceiver(UploadReceiver receiver) Populate the local variables with the values of the {UploadReceiver receiver}.
protected void	populateItem() Update the Item based on the local values.
protected void	populateWrapperFromItem() Populate the wrapper variable based on the current Item.
protected void	populateWrapperFromReceiver(UploadReceiver receiver) Populate this FileItemWrapper with the UploadReceiver informations.
void	reloadPrevious() Used to restore the previous Uploaded File if existing.

Methods inherited from class java.lang.Object

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

Field Detail

fileSize

protected long fileSize

item

protected AbstractJcrNodeAdapter item

Constructor Detail

BasicFileItemWrapper

public BasicFileItemWrapper(File tmpDirectory)

BasicFileItemWrapper

public BasicFileItemWrapper(AbstractJcrNodeAdapter jcrItem,
                            File tmpDirectory)

Method Detail

populateFromItem

public void populateFromItem(com.vaadin.data.Item jcrItem)

Populate the local variable with the values of the Item.

Specified by:

populateFromItem in interface FileItemWrapper

populateWrapperFromItem

protected void populateWrapperFromItem()

Populate the wrapper variable based on the current Item.

populateFromReceiver

public void populateFromReceiver(UploadReceiver receiver)

Populate the local variables with the values of the {UploadReceiver receiver}. Update the related Item with this new values.

Specified by:

populateFromReceiver in interface FileItemWrapper

clearProperties

public void clearProperties()

Clear the local variables. Clear the Item.

Specified by:

clearProperties in interface FileItemWrapper

reloadPrevious

public void reloadPrevious()

Description copied from interface: FileItemWrapper

Used to restore the previous Uploaded File if existing.

Specified by:

reloadPrevious in interface FileItemWrapper

isEmpty

public boolean isEmpty()

Description copied from interface: FileItemWrapper

Return true if the binaryData is not empty. false otherwise.

Specified by:

isEmpty in interface FileItemWrapper

populateWrapperFromReceiver

protected void populateWrapperFromReceiver(UploadReceiver receiver)

Populate this FileItemWrapper with the UploadReceiver informations.

populateItem

protected void populateItem()

Update the Item based on the local values.

initJcrItemProperty

protected void initJcrItemProperty(AbstractJcrNodeAdapter jcrItem)

Initialize a Item Node Adapter with the mandatory File property.

getFileSize

public long getFileSize()

Specified by:

getFileSize in interface FileItemWrapper

getMimeType

public String getMimeType()

Specified by:

getMimeType in interface FileItemWrapper

getExtension

public String getExtension()

Specified by:

getExtension in interface FileItemWrapper

getFileName

public String getFileName()

Specified by:

getFileName in interface FileItemWrapper

getFile

public File getFile()

Specified by:

getFile in interface FileItemWrapper

getFileNameProperty

protected com.vaadin.data.Property<?> getFileNameProperty()

Used to access the Item property in order to set the input dataSource of a TextField.

getFileFormatProperty

protected com.vaadin.data.Property<?> getFileFormatProperty()