Extension Type

Extension

Utility type that represents either an available "Optional Package" (formerly known as "Standard Extension") as described in the manifest of a JAR file, or the requirement for such an optional package.

Note that this type works with extensions as defined by the "Optional Package" specification. For more information about optional packages, see the document Optional Package Versioning in the documentation bundle for your Java2 Standard Edition package, in file guide/extensions/versioning.html or online at http://java.sun.com/j2se/1.3/docs/guide/extensions/versioning.html.

Attributes

The extension type supports the following attributes:

Attribute	Description	Required
extensionName	The name of extension	yes
specificationVersion	The version of extension specification (Must be in dewey decimal aka dotted decimal notation. 3.2.4)	no
specificationVendor	The specification vendor	no
implementationVersion	The version of extension implementation (Must be in dewey decimal aka dotted decimal notation. 3.2.4)	no
implementationVendor	The implementation vendor	no
implementationVendorId	The implementation vendor ID	no
implementationURL	The url from which to retrieve extension.	no

Examples

<extension id="e1"
    extensionName="MyExtensions"
    specificationVersion="1.0"
    specificationVendor="Peter Donald"
    implementationVendorID="vv"
    implementationVendor="Apache"
    implementationVersion="2.0"
    implementationURL="http://somewhere.com/myExt.jar"/>

Fully specifiec extension object.

<extension id="e1"
    extensionName="MyExtensions"
    specificationVersion="1.0"
    specificationVendor="Peter Donald"/>

Extension object that just species the specification details.