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Eclipse Plug-in Developer Guide
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Stream Merger

Identifier:
org.eclipse.compare.streamMergers

Since:
3.0

Description:
This extension point allows a plug-in to register a stream merger for specific content types. The stream merger is expected to perform a three-way merge on three input streams and writes the result to an output stream. The extension point must implement the interface org.eclipse.compare.IStreamMerger.

Configuration Markup:

<!ELEMENT extension ( streamMerger* , contentTypeBinding*)>

<!ATTLIST extension

point CDATA #REQUIRED

id    CDATA #IMPLIED

name  CDATA #IMPLIED

>

Deprecated. The org.eclipse.team.core.storageMergers extension point should be used instead.


  • 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 streamMerger EMPTY>

<!ATTLIST streamMerger

id         CDATA #REQUIRED

class      CDATA #REQUIRED

extensions CDATA #IMPLIED

>

  • id - a unique identifier that can be used to reference the stream merger
  • class - a fully qualified name of a class that implements org.eclipse.compare.IStreamMerger
  • extensions - a comma separated list of file extensions e.g. "java, properties"

<!ELEMENT contentTypeBinding EMPTY>

<!ATTLIST contentTypeBinding

contentTypeId  IDREF #REQUIRED

streamMergerId IDREF #REQUIRED

>

A contentTypeBinding binds a stream merger to a content type.


  • contentTypeId - The id of a content type defined using the org.eclipse.core.contenttype.contentTypes extension point.
  • streamMergerId - The id of a stream merger defined using the streamMerger element of this extension point (i.e. org.eclipse.compare.streamMergers)

Examples:
The following is an example of a stream merger for property files (extension "properties"):


<extension point = 
"org.eclipse.compare.streamMergers"
> 
     <streamMerger 
         id=
"org.eclipse.compare.internal.merge.TextStreamMerger"
 
         class=
"org.eclipse.compare.internal.merge.TextStreamMerger"
 
         extensions=
"properties"
 
    /> 
</extension> 

Supplied Implementation:
The Compare UI plugin defines a stream merger for line oriented text files.


Copyright (c) 2000, 2008 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