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Eclipse Plug-in Developer Guide
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Feature Type Factory

Identifier:
org.eclipse.update.core.featureTypes

Description:
The platform update mechanism supports pluggable feature type implementations. A new feature type can be registered in order to support alternate packaging and verification schemes.

The featureTypes extension point allows alternate feature implementations to be registered using a symbolic type identifier. Whenever the type is referenced using this identifier, the supplied factory is used to create the correct concrete feature implementation.

Configuration Markup:

<!ELEMENT extension ( feature-factory+)>

<!ATTLIST extension

point CDATA #REQUIRED

id    CDATA #IMPLIED

name  CDATA #IMPLIED

>

  • point - must be specified as org.eclipse.update.core.featureTypes
  • id - must be specified. Identifies the new feature type
  • name - optional displayable label for the new feature type

<!ELEMENT feature-factory EMPTY>

<!ATTLIST feature-factory

class CDATA #REQUIRED

>

  • class - fully qualified name of the factory class for the identified feature type

Examples:
The following is an example of new feature type registration:


   <extension
      id=
"custom"

      point=
"org.eclipse.update.core.featureTypes"

      name=
"Custom packaged feature"
>
      <feature-factory
          class=
"com.xyz.update.CustomFeatureFactory"
>
      </feature-factory>
   </extension>

Supplied Implementation:
The platform supplies two standard implementations of feature types. One representing the default packaged feature type, and the other representing an installed feature type.


Copyright (c) 2004 IBM Corporation and others. All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at https://www.eclipse.org/legal/epl-v10.html.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire