Difference between revisions of "Documentation/DevGuide/OfficeDev/Document API Filter Development"

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{{DISPLAYTITLE:Document API Filter Development}}
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{{Documentation/DevGuideLanguages|Documentation/DevGuide/OfficeDev/{{SUBPAGENAME}}}}
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First, we provide an overview of the import and export process in {{PRODUCTNAME}}, and gain an understanding of the general concepts.
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{{DISPLAYTITLE:Document API Filter Development}}
  
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=== Introduction ===
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TBD: Examples.
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Inside {{PRODUCTNAME}} a document is represented by its document service, called model. On disk, the same document is represented as a file or possibly as a dynamically generated output, for example, of a database statement. To generalize this and abstract from single disk files we just call it "content". The content is a serialization of a model, e.g. the ODF or the Word model. A filter component is used to convert between this model and the internal model defined by the document core model.
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[[Image:import_export.png|none|thumb|300px|Import/Export Filter Process]]
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In our API the three entities in the above diagram, content, model, and filter, are defined as UNO services. The services consist of several interfaces that map to a specific implementation, for example, using C++ or Java.
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The filter implementer has to develop a class that implements the <idl>com.sun.star.document.ExportFilter</idl> or <idl>com.sun.star.document.ImportFilter</idl> service, or both in case the filter should support import and export. The filter will get a <idl>com.sun.star.document.MediaDescriptor</idl> that defines the stream the filter must use for its input or output.
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For a list of available document services, refer to the section [[Documentation/DevGuide/OfficeDev/Component/Models#Document Specific Features|Document Specific Features]].
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[[Category:Documentation/Developer's Guide/Office Development]]
 
[[Category:Documentation/Developer's Guide/Office Development]]

Latest revision as of 08:10, 14 May 2009



TBD: Examples.

Content on this page is licensed under the Public Documentation License (PDL).
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