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Eclipse Plug-in Developer Guide
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Document Creation

This extension point is deprecated



This extension point is used to customize the document creation behavior of this plug-in's default text file buffer manager. It allows to specify which document factory should be used in order to create the document instance of a text file buffer created for a certain file content type, file extension, or file name.

This extension must no longer be used. We urge existing clients to remove their contribution:
  • the file buffer manager now provides an ISynchronizable document. Clients which need a synchronized document can set a lock object. To overwrite an existing lock object is considered bad practice and can break other clients: if the document already has a lock object set then this one should be used by the client.
  • clients which need a different org.eclipse.jface.text.IDocument implementation create the corresponding document in their document provider. The custom document will wrap the document provided by the file buffer.

Configuration Markup:

<!ELEMENT extension ( factory+)>

<!ATTLIST extension





  • point - a fully qualified identifier of the target extension point
  • id - an optional identifier of the extension instance
  • name - an optional name of the extension instance

<!ELEMENT factory EMPTY>

<!ATTLIST factory

class         CDATA #REQUIRED

extensions    CDATA #IMPLIED

fileNames     CDATA #IMPLIED

contentTypeId CDATA #IMPLIED


The specification of a document factory. In order to find a factory for a given file the attributes of each factory specification are consulted in the following sequence: contentTypeId, fileNames, extensions. If multiple, equally specific factory specifications are found for a given file it is not specified which factory is used.

  • class - a fully qualified name of the factory implementation class. This class must implement the org.eclipse.core.filebuffers.IDocumentFactory interface.
  • extensions - a comma separated list of file extensions for which this factory should be used
  • fileNames - a comma separated list of file names for which this factory should be used
  • contentTypeId - the id of a content type as defined by the org.eclipse.core.runtime.contentTypes extension point for which this factory should be used






Copyright (c) 2001, 2006 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

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