com.communote.server.core.property

Class BinaryPropertyAccessor

java.lang.Object

com.communote.server.core.property.PropertyAccessor<Propertyable,BinaryProperty,byte[]>

com.communote.server.core.property.BinaryPropertyAccessor

public class BinaryPropertyAccessor
extends PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Author:

Communote GmbH - http://www.communote.com/

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BinaryPropertyAccessor.DummyPropertyable Dummy class since binary properties are not bound to any context

Field Summary

Fields

Modifier and Type	Field and Description
static BinaryPropertyAccessor.DummyPropertyable	DUMMY_OBJECT DUMMY Object since the binary properties are not bound to a object instance

Constructor Summary

Constructors

Constructor and Description
BinaryPropertyAccessor(EventDispatcher eventDispatcher)

Method Summary

Modifier and Type	Method and Description
protected void	assertReadAccess(Propertyable propertyable) Asserts valid read access for the given object.
protected boolean	assertValidForCreateAndUpdate(String keyGroup, String key) Check that the group and key are both set and that the filters allow setting the property
protected void	assertWriteAccess(Propertyable propertyable) Does nothing.
Date	getLastModificationDate(String keyGroup, String key) Get last modification date of a binary property.
protected Long	getObjectId(Propertyable object)
PropertyType	getPropertyType()
protected BinaryProperty	handleCreateNewProperty(Propertyable object) Create a new property and associate it with the object
protected BinaryProperty	handleGetObjectPropertyUnfiltered(Propertyable object, String keyGroup, String key) Get an object property for the given group and key
protected void	handleRemoveObjectProperty(Propertyable object, String keyGroup, String key) Removes the property of an object
boolean	hasProperty(Propertyable object, String keyGroup, String key)
protected Propertyable	load(Long id)
void	removeProperty(String keyGroup, String key) Removes the given property.
protected void	setPropertyValue(BinaryProperty property, byte[] value)

Methods inherited from class com.communote.server.core.property.PropertyAccessor

addToFilterDefinition, assertLoadObject, getFilterDefintion, getGlobalObjectProperty, getObjectProperty, getObjectPropertyUnfiltered, handleSetObjectProperty, handleSetObjectPropertyUnfiltered, removeFromFilterDefinition, removeObjectProperty, setGlobalObjectProperty, setObjectProperty, setObjectPropertyUnfiltered

Methods inherited from class java.lang.Object

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

Field Detail

DUMMY_OBJECT

public static final BinaryPropertyAccessor.DummyPropertyable DUMMY_OBJECT

DUMMY Object since the binary properties are not bound to a object instance

Constructor Detail

BinaryPropertyAccessor

public BinaryPropertyAccessor(EventDispatcher eventDispatcher)

Parameters:

eventDispatcher - the event dispatcher for dispatching event on property changes

Method Detail

assertReadAccess

protected void assertReadAccess(Propertyable propertyable)

Asserts valid read access for the given object.

Does nothing, as everyone is allowed to read binary properties.

Specified by:

assertReadAccess in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

propertyable - The object.

assertValidForCreateAndUpdate

protected boolean assertValidForCreateAndUpdate(String keyGroup,
                                                String key)

Description copied from class: PropertyAccessor

Check that the group and key are both set and that the filters allow setting the property

Overrides:

assertValidForCreateAndUpdate in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

keyGroup - the key group of the property

key - the key of the property

Returns:

true if group and key are valid, false otherwise

assertWriteAccess

protected void assertWriteAccess(Propertyable propertyable)

Does nothing.

Specified by:

assertWriteAccess in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

propertyable - Not used.

getLastModificationDate

public Date getLastModificationDate(String keyGroup,
                                    String key)

Get last modification date of a binary property.

Parameters:

keyGroup - group of the property key

key - the key of the property

Returns:

the last modification date or null if the property does not exist

getObjectId

protected Long getObjectId(Propertyable object)

Specified by:

getObjectId in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

object - the object the property is / will be assigned to

Returns:

the id of this object

getPropertyType

public PropertyType getPropertyType()

Specified by:

getPropertyType in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Returns:

the property type this accessor is handling

handleCreateNewProperty

protected BinaryProperty handleCreateNewProperty(Propertyable object)

Create a new property and associate it with the object

Specified by:

handleCreateNewProperty in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

object - the object to add a new property to

Returns:

the property created

handleGetObjectPropertyUnfiltered

protected BinaryProperty handleGetObjectPropertyUnfiltered(Propertyable object,
                                                           String keyGroup,
                                                           String key)

Get an object property for the given group and key

Specified by:

handleGetObjectPropertyUnfiltered in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

object - the object to get the property of

keyGroup - the key group of the property to get

key - the key of the propert no such property exists

Returns:

the property or null if no such property exists

handleRemoveObjectProperty

protected void handleRemoveObjectProperty(Propertyable object,
                                          String keyGroup,
                                          String key)
                                   throws AuthorizationException

Description copied from class: PropertyAccessor

Removes the property of an object

Overrides:

handleRemoveObjectProperty in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

object - object to get the property of

keyGroup - the key group of the property to get

key - the key of the property

Throws:

AuthorizationException - Thrown, when the user is not allowed to access.

hasProperty

public boolean hasProperty(Propertyable object,
                           String keyGroup,
                           String key)

Parameters:

object - The object.

keyGroup - The keygroup.

key - The key.

Returns:

True, when the property exists.

load

protected Propertyable load(Long id)

Specified by:

load in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

id - the id of the object

Returns:

the loaded object or null if it does not exist

removeProperty

public void removeProperty(String keyGroup,
                           String key)

Removes the given property.

Parameters:

keyGroup - The group of the property key

key - The key of the property

setPropertyValue

protected void setPropertyValue(BinaryProperty property,
                                byte[] value)

Specified by:

setPropertyValue in class PropertyAccessor<Propertyable,BinaryProperty,byte[]>

Parameters:

property - The property.

value - The value.