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org.eclipse.gmf.runtime.diagram.ui.resources.editor.document
Class DocumentProviderRegistry

java.lang.Object
  
org.eclipse.gmf.runtime.diagram.ui.resources.editor.document.DocumentProviderRegistry

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public class DocumentProviderRegistry
extends java.lang.Object

This registry manages shared document providers. Document providers are specified in plugin.xml either per name extension or per editor input type. A name extension rule always overrules an editor input type rule. Editor input type rules follow the same rules IAdapterManager used to find object adapters.

See Also:

IAdapterManager

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Nested Class Summary
static interface	DocumentProviderRegistry.IDocumentProviderSelector

 

Field Summary
java.util.Map	fExtensionMapping           The mapping between name extensions and configuration elements.
java.util.Map	fInputTypeMapping           The mapping between editor input type names and configuration elements.

 

Method Summary
protected  java.util.Set	findInputTypeMapping (java.lang.Class type)           Returns the appropriate configuration element for the given type.
static  DocumentProviderRegistry	getDefault ()           Returns the standard document provider registry.
IDocumentProvider	getDocumentProvider ( IEditorInput editorInput, DocumentProviderRegistry.IDocumentProviderSelector selector)           Returns the shared document for the type of the given editor input.
IDocumentProvider	getDocumentProvider (java.lang.String extension, DocumentProviderRegistry.IDocumentProviderSelector selector)           Returns a shared document provider for the given name extension.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

fExtensionMapping

public java.util.Map fExtensionMapping

The mapping between name extensions and configuration elements.

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fInputTypeMapping

public java.util.Map fInputTypeMapping

The mapping between editor input type names and configuration elements.

Method Detail

getDefault

public static 
DocumentProviderRegistry getDefault()

Returns the standard document provider registry.

Returns:

the default document provider registry

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getDocumentProvider

public 
IDocumentProvider getDocumentProvider(java.lang.String extension,
                                             
DocumentProviderRegistry.IDocumentProviderSelector selector)

Returns a shared document provider for the given name extension.

Parameters:

extension - the name extension to be used for lookup

Returns:

the shared document provider or null

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findInputTypeMapping

protected java.util.Set findInputTypeMapping(java.lang.Class type)

Returns the appropriate configuration element for the given type. If there is no configuration element for the type's name, first the list of super classes is searched, and if not successful the list of all interfaces.

Parameters:

type - a Class object

Returns:

an input type mapping or null

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getDocumentProvider

public 
IDocumentProvider getDocumentProvider(
IEditorInput editorInput,
                                             
DocumentProviderRegistry.IDocumentProviderSelector selector)

Returns the shared document for the type of the given editor input.

Parameters:

editorInput - the input for whose type the provider is looked up

Returns:

the shared document provider

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