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:: com :: sun :: star :: configuration :: backend ::
interface XLayerHandler
Description receives a description of a configuration layer as a sequence of events. Since OOo 1.1.2

Methods' Summary
startLayer | receives notification that a layer description is started for a component.
endLayer | receives notification that a layer description is complete.
overrideNode | receives notification that a description of a node override is started.
addOrReplaceNode | receives notification that a new item is started.
addOrReplaceNodeFromTemplate | receives notification that a new item based on a particular template is started.
endNode | receives notification that a node description is complete.
dropNode | receives notification that a node is dropped from a set.
overrideProperty | receives notification that an existing property is modified.
setPropertyValue | receives notification that the value of the current property is overridden. .
setPropertyValueForLocale | receives notification that the value of the current localized property is overridden for a specific locale .
endProperty | receives notification that a property description is complete.
addProperty | receives notification that a property having a void value is added to the current node.
addPropertyWithValue | receives notification that a property having a non-void value is added to the current node.

Methods' Details
startLayer
void
startLayer()
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a layer description is started for a component. Subsequent calls describe the contents of the layer until a matching call to XLayerHandler::endLayer() is encountered. Throws com::sun::star::configuration::backend::MalformedDataException if there is an unfinished layer in progress Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event.
endLayer
void
endLayer()
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a layer description is complete. Must match a previous call to XLayerHandler::startLayer(). Throws com::sun::star::configuration::backend::MalformedDataException if invalid data is detected in the layer if there is a unfinished subnode in progress if no layer is started at all if the layer tries to override read-only or final data Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event.
overrideNode
void
overrideNode( | [in] string | aName,
| [in] short | aAttributes,
| [in] boolean | bClear )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a description of a node override is started. Subsequent calls describe overrides to properties and members or items of the node until a matching call to XLayerHandler::endNode()is encountered. Parameter aName specifies the name of the node. Parameter aAttributes specifies attribute values to be applied to the node. The value is a combination of NodeAttribute flags. The attributes are combined cumulatively with those set on lower layers. Parameter bClear if true, specifies that the node should be cleared to an empty state by removing all non-mandatory children from lower layers prior to applying the overrides. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't a layer in progress if there already was a change to that node if there is no node with that name if the node is marked read-only in a lower layer if the name is not a valid node name if the attributes are not valid for the node Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event. See also NodeAttribute
addOrReplaceNode
void
addOrReplaceNode( | [in] string | aName,
| [in] short | aAttributes )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a new item is started. The current node must be a set and a preexisting item (if any) must be removable. The new item will be created from the default template of the set. Subsequent calls describe the difference from the template of properties and members or items of the node until a matching call to XLayerHandler::endNode() is encountered. Parameter aName specifies the name of the item. Parameter aAttributes specifies attribute values to be applied to the new node. The value is a combination of NodeAttribute flags. Note that NodeAttribute::FUSE has an impact on the semantics of this method. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't a set node in progress currently if there already was a change to a node of that name if the template for the new node is not found if an item of that name on a lower layer is not removable if the name is not a valid item name if the attributes are not valid for the node Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event. See also NodeAttribute
addOrReplaceNodeFromTemplate
void
addOrReplaceNodeFromTemplate( | [in] string | aName,
| [in] TemplateIdentifier | aTemplate,
| [in] short | aAttributes )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a new item based on a particular template is started. The current node must be a set and a preexisting item (if any) must be removable. Subsequent calls describe the difference from the template of properties and members or items of the node until a matching call to XLayerHandler::endNode() is encountered. Parameter aName specifies the name of the item. Parameter aTemplate specifies the template to use for the new node Parameter aAttributes specifies attribute values to be applied to the new node. The value is a combination of NodeAttribute flags. Note that NodeAttribute::FUSE has an impact on the semantics of this method. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't a set node in progress currently if there already was a change to a node of that name if the template for the new node is not found if the template is not a valid item type for the containing set if an item of that name on a lower layer is not removable if the name is not a valid item name if the attributes are not valid for the node Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event. See also NodeAttribute
endNode
void
endNode()
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a node description is complete. Must match the last open call to XLayerHandler::overrideNode(), XLayerHandler::addOrReplaceNode() or XLayerHandler::addOrReplaceNodeFromTemplate(). Throws com::sun::star::configuration::backend::MalformedDataException if invalid data is detected in the node if no node is started at all Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event.
dropNode
void
dropNode( | [in] string | aName )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a node is dropped from a set. The current node must be a set and the item must be removable. Parameter aName specifies the name of the node. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't a set node in progress currently if there already was a change to a node of that name if there is no item with that name if the item is not removable if the name is not a valid node name Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event.
overrideProperty
void
overrideProperty( | [in] string | aName,
| [in] short | aAttributes,
| [in] type | aType,
| [in] boolean | bClear )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that an existing property is modified. Subsequent calls describe new value(s) for the property until a matching call to XLayerHandler::endProperty() is encountered. Parameter aName specifies the name of the property. Parameter aAttributes specifies the new attributes of the property. The value is a combination of NodeAttribute flags. The attributes are combined cumulatively with those set on lower layers. Parameter aType specifies the type of the property. This must be the same type as is already defined in the schema or lower layers, unless the previous type was unspecified (as indicated by TypeClass::ANY.) A void type indicates that the type is unspecified in this layer. In this case any subsequent value may be of a generic type (e.g. `string` or - for list values - `string`[].) Such values may be converted to the type defined in the schema by the implementation. Parameter bClear if true, specifies that the property should be cleared to an empty state by discarding all values from lower layers prior to applying the overrides. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't a group or extensible node in progress currently if there already was a change to a property of that name if there is no property with that name if the property is read-only if the type does not match the type of the property if a type is missing and cannot be determined otherwise if the name is not a valid property name if the attributes are not valid for the property Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event. See also NodeAttribute
setPropertyValue
void
setPropertyValue( | [in] any | aValue )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that the value of the current property is overridden. . Parameter aValue specifies the new value of the property. The value must match the type of the current property. If the property does not have the SchemaAttribute::REQUIRED flag set, the value can be void. If the current property is localized, this value applies to the default locale. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't a property in progress currently if there already was a change to the value of that property if the value does not have the proper type if the value is not valid for the property Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event. See also NodeAttribute
setPropertyValueForLocale
void
setPropertyValueForLocale( | [in] any | aValue,
| [in] string | aLocale )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that the value of the current localized property is overridden for a specific locale . Parameter aValue specifies the new value of the property. The value must match the type of the current property. If the property does not have the SchemaAttribute::REQUIRED flag set, the value can be void. Parameter aLocale specifies the locale this value should apply to. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't a property in progress currently if the current property isn't localized if there already was a change to the property for that locale if the value does not have the proper type if the value is not valid for the property if the locale is not a valid locale Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event. See also NodeAttribute
endProperty
void
endProperty()
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a property description is complete. Must match an open call to XLayerHandler::overrideProperty(), Throws com::sun::star::configuration::backend::MalformedDataException if invalid data is detected in the property if no property is started at all Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event.
addProperty
void
addProperty( | [in] string | aName,
| [in] short | aAttributes,
| [in] type | aType )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a property having a void value is added to the current node. The current node must be extensible. Parameter aName specifies the name of the new property. Parameter aAttributes specifies the attributes of the new property. The value is a combination of NodeAttribute flags and may also contain the SchemaAttribute::REQUIRED flag. NodeAttribute::MANDATORY need not be set, as dynamically added properties always are mandatory in subsequent layers. Parameter aType specifies the type of the new property. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't an extensible node in progress currently if a property with that name already exists if the specified type is not allowed for a property if the name is not a valid property name if the attributes are not valid for the property Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event. See also SchemaAttribute
addPropertyWithValue
void
addPropertyWithValue( | [in] string | aName,
| [in] short | aAttributes,
| [in] any | aValue )
raises( | MalformedDataException, ::com::sun::star::lang::WrappedTargetException );
Description receives notification that a property having a non-void value is added to the current node. The current node must be extensible. Parameter aName specifies the name of the new property. Parameter aAttributes specifies the attributes of the new property. The value is a combination of NodeAttribute flags and may also contain the SchemaAttribute::REQUIRED flag. NodeAttribute::MANDATORY need not be set, as dynamic properties always are mandatory in subsequent layers. Parameter aValue specifies the value of the new property. The value also determines the type. Therefore the value must not be void. Throws com::sun::star::configuration::backend::MalformedDataException if there isn't an extensible node in progress currently if a property with that name already exists if the type of the value is not an allowed type or if the value is void if the name is not a valid property name if the value is not valid for the property if the attributes are not valid for the property Not every implementation can detect each condition Throws com::sun::star::lang::WrappedTargetException if an error occurs processing the event. See also SchemaAttribute

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