XmpPacketWrapper class

XmpPacketWrapper class

Contains serialized XMP package including header and trailer. A wrapper consisting of a pair of XML processing instructions (PIs) may be placed around the rdf:RDF element.

Inheritance: XmpPacketWrapper → MetadataPackage

The XmpPacketWrapper type exposes the following members:

Constructors

Constructor Description
init Initializes a new instance of the XmpPacketWrapper class.
init Initializes a new instance of the XmpPacketWrapper class.

Properties

Property Description
metadata_type Gets the metadata type.
keys Gets a collection of the metadata property names.
property_descriptors Gets a collection of descriptors that contain information about properties accessible through the GroupDocs.Metadata search engine.
count Gets the number of metadata properties.
header_pi Gets or sets the header processing instruction.
meta Gets or sets the XMP meta.
trailer_pi Gets or sets the trailer processing instruction.
packages Gets array of XmpPackage inside XMP.
package_count Gets the number of packages inside the XMP structure.
schemes Provides access to known XMP schemas.

Methods

Method Description
contains Determines whether the package contains a metadata property with the specified name.
find_properties Finds the metadata properties satisfying a specification.
The search is recursive so it affects all nested packages as well.
update_properties Updates known metadata properties satisfying a specification.
The operation is recursive so it affects all nested packages as well.
remove_properties Removes metadata properties satisfying a specification.
add_properties Adds known metadata properties satisfying the specification.
The operation is recursive so it affects all nested packages as well.
set_properties Sets known metadata properties satisfying the specification.
The operation is recursive so it affects all nested packages as well.
This method is a combination of MetadataPackage.add_properties and MetadataPackage.update_properties.
If an existing property satisfies the specification its value is updated.
If there is a known property missing in the package that satisfies the specification it is added to the package.
sanitize Removes writable metadata properties from the package.
The operation is recursive so it affects all nested packages as well.
add_package Adds the package.
get_package Gets package by namespace uri.
contains_package Determines whether package is exist in XMP wrapper.
remove_package Removes the specified package.
clear_packages Removes all XmpPackage inside XMP.
get_xmp_representation Returns string contained value in XMP format.

Remarks

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Example

This example shows how to update XMP metadata properties.

See Also

XmpPackage class XmpRational class