com.vaadin.data.util
Class FilesystemContainer.FileItem

java.lang.Object
  com.vaadin.data.util.FilesystemContainer.FileItem

All Implemented Interfaces:

Item, java.io.Serializable

Enclosing class:

FilesystemContainer

public class FilesystemContainer.FileItem
extends java.lang.Object
implements Item

A Item wrapper for files in a filesystem.

Since:

3.0

Author:

Vaadin Ltd.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.data.Item

Item.Editor, Item.PropertySetChangeEvent, Item.PropertySetChangeListener, Item.PropertySetChangeNotifier, Item.Viewer

Method Summary

boolean	addItemProperty(java.lang.Object id, Property property) Filesystem container does not support adding new properties.
boolean	equals(java.lang.Object obj) Tests if the given object is the same as the this object.
Resource	getIcon() Gets the icon of this file.
Property	getItemProperty(java.lang.Object id) Gets the Property corresponding to the given Property ID stored in the Item.
java.util.Collection<java.lang.String>	getItemPropertyIds() Gets the collection of IDs of all Properties stored in the Item.
java.lang.String	getName() Gets the name of this file.
long	getSize() Gets the size of this file.
int	hashCode() Calculates a integer hash-code for the Property that's unique inside the Item containing the Property.
java.util.Date	lastModified() Gets the last modified date of this file.
boolean	removeItemProperty(java.lang.Object id) Filesystem container does not support removing properties.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

getItemProperty

public Property getItemProperty(java.lang.Object id)

Description copied from interface: Item

Gets the Property corresponding to the given Property ID stored in the Item. If the Item does not contain the Property, null is returned.

Specified by:

getItemProperty in interface Item

Parameters:

id - identifier of the Property to get

Returns:

the Property with the given ID or null

getItemPropertyIds

public java.util.Collection<java.lang.String> getItemPropertyIds()

Description copied from interface: Item

Gets the collection of IDs of all Properties stored in the Item.

Specified by:

getItemPropertyIds in interface Item

Returns:

unmodifiable collection containing IDs of the Properties stored the Item

hashCode

public int hashCode()

Calculates a integer hash-code for the Property that's unique inside the Item containing the Property. Two different Properties inside the same Item contained in the same list always have different hash-codes, though Properties in different Items may have identical hash-codes.

Overrides:

hashCode in class java.lang.Object

Returns:

A locally unique hash-code as integer

equals

public boolean equals(java.lang.Object obj)

Tests if the given object is the same as the this object. Two Properties got from an Item with the same ID are equal.

Overrides:

equals in class java.lang.Object

Parameters:

obj - an object to compare with this object.

Returns:

true if the given object is the same as this object, false if not

lastModified

public java.util.Date lastModified()

Gets the last modified date of this file.

Returns:

Date

getName

public java.lang.String getName()

Gets the name of this file.

Returns:

file name of this file.

getIcon

public Resource getIcon()

Gets the icon of this file.

Returns:

the icon of this file.

getSize

public long getSize()

Gets the size of this file.

Returns:

size

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

addItemProperty

public boolean addItemProperty(java.lang.Object id,
                               Property property)
                        throws java.lang.UnsupportedOperationException

Filesystem container does not support adding new properties.

Specified by:

addItemProperty in interface Item

Parameters:

id - ID of the new Property

property - the Property to be added and associated with the id

Returns:

true if the operation succeeded, false if not

Throws:

java.lang.UnsupportedOperationException - if the operation is not supported.

See Also:

Item.addItemProperty(Object, Property)

removeItemProperty

public boolean removeItemProperty(java.lang.Object id)
                           throws java.lang.UnsupportedOperationException

Filesystem container does not support removing properties.

Specified by:

removeItemProperty in interface Item

Parameters:

id - ID of the Property to be removed

Returns:

true if the operation succeeded

Throws:

java.lang.UnsupportedOperationException - if the operation is not supported. false if not

See Also:

Item.removeItemProperty(Object)