Package uk.ac.starlink.util
Interface NodeDescendants.Visitor
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- Enclosing class:
- NodeDescendants
public static interface NodeDescendants.Visitor
TheVisitor
processes a single node in a tree. This allows an object to visit each of the nodes in a tree.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.Object
visitNode(org.w3c.dom.Node n)
Visit a node in a tree.
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Method Detail
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visitNode
java.lang.Object visitNode(org.w3c.dom.Node n)
Visit a node in a tree. If the object doing the visiting wishes to stop the traversal early, it should return non-null. Otherwise it should return null.- Parameters:
n
- the node being visited- Returns:
- null if the traversal is to continue after this node; non-null if it is to stop
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