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.
The class fileset support 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 |
<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.
Copyright © 2002 Apache Software Foundation. All rights Reserved.