Package org.apache.fop.accessibility
Class DummyStructureTreeEventHandler
- java.lang.Object
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- org.apache.fop.accessibility.DummyStructureTreeEventHandler
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- All Implemented Interfaces:
StructureTreeEventHandler
public final class DummyStructureTreeEventHandler extends java.lang.Object implements StructureTreeEventHandler
This implementation ignores all structure tree events.
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Field Summary
Fields Modifier and Type Field Description static StructureTreeEventHandler
INSTANCE
The singleton instance of this class.
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Constructor Summary
Constructors Modifier Constructor Description private
DummyStructureTreeEventHandler()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
endNode(java.lang.String name)
Ends a structure tree node.void
endPageSequence()
Ends a page sequence structure tree node.StructureTreeElement
startImageNode(java.lang.String name, org.xml.sax.Attributes attributes, StructureTreeElement parent)
Starts an image node.StructureTreeElement
startNode(java.lang.String name, org.xml.sax.Attributes attributes, StructureTreeElement parent)
Starts a structure tree node.void
startPageSequence(java.util.Locale locale, java.lang.String role)
Starts a page sequence structure tree node.StructureTreeElement
startReferencedNode(java.lang.String name, org.xml.sax.Attributes attributes, StructureTreeElement parent)
Starts a node that can be referenced by other nodes.
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Field Detail
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INSTANCE
public static final StructureTreeEventHandler INSTANCE
The singleton instance of this class.
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Method Detail
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startPageSequence
public void startPageSequence(java.util.Locale locale, java.lang.String role)
Starts a page sequence structure tree node.- Specified by:
startPageSequence
in interfaceStructureTreeEventHandler
- Parameters:
locale
- The locale of the page sequencerole
- the value of the role property. May be null.
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endPageSequence
public void endPageSequence()
Ends a page sequence structure tree node.- Specified by:
endPageSequence
in interfaceStructureTreeEventHandler
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startNode
public StructureTreeElement startNode(java.lang.String name, org.xml.sax.Attributes attributes, StructureTreeElement parent)
Starts a structure tree node.- Specified by:
startNode
in interfaceStructureTreeEventHandler
- Parameters:
name
- the name of the structure tree nodeattributes
- the node propertiesparent
- the parent of the node. May be null, in which case the parent node is the node corresponding to the previous call to this method- Returns:
- the corresponding structure tree element
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endNode
public void endNode(java.lang.String name)
Ends a structure tree node.- Specified by:
endNode
in interfaceStructureTreeEventHandler
- Parameters:
name
- the name of the structure tree node
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startImageNode
public StructureTreeElement startImageNode(java.lang.String name, org.xml.sax.Attributes attributes, StructureTreeElement parent)
Starts an image node.- Specified by:
startImageNode
in interfaceStructureTreeEventHandler
- Parameters:
name
- the name of the structure tree nodeattributes
- the node propertiesparent
- the parent of the node. May be null, in which case the parent node is the node corresponding to the previous call to this method- Returns:
- the corresponding structure tree element
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startReferencedNode
public StructureTreeElement startReferencedNode(java.lang.String name, org.xml.sax.Attributes attributes, StructureTreeElement parent)
Starts a node that can be referenced by other nodes. This is usually a node that can have Marked Content References as children.- Specified by:
startReferencedNode
in interfaceStructureTreeEventHandler
- Parameters:
name
- the name of the structure tree nodeattributes
- the node propertiesparent
- the parent of the node. May be null, in which case the parent node is the node corresponding to the previous call to this method- Returns:
- the corresponding structure tree element
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