public class DTMTreeWalker extends Object
Modifier and Type | Field and Description |
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protected DTM |
m_dtm
DomHelper for this TreeWalker
|
Constructor and Description |
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DTMTreeWalker()
Constructor.
|
DTMTreeWalker(ContentHandler contentHandler,
DTM dtm)
Constructor.
|
Modifier and Type | Method and Description |
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protected void |
endNode(int node)
End processing of given node
|
ContentHandler |
getcontentHandler()
Get the ContentHandler used for the tree walk.
|
void |
setcontentHandler(ContentHandler ch)
Set the ContentHandler used for the tree walk.
|
void |
setDTM(DTM dtm)
Set the DTM to be traversed.
|
protected void |
startNode(int node)
Start processing given node
|
void |
traverse(int pos)
Perform a non-recursive pre-order/post-order traversal,
operating as a Visitor.
|
void |
traverse(int pos,
int top)
Perform a non-recursive pre-order/post-order traversal,
operating as a Visitor.
|
protected DTM m_dtm
public DTMTreeWalker()
public DTMTreeWalker(ContentHandler contentHandler, DTM dtm)
contentHandler
- The implemention of the
contentHandler operation (toXMLString, digest, ...)public void setDTM(DTM dtm)
dtm
- The Document Table Model to be used.public ContentHandler getcontentHandler()
public void setcontentHandler(ContentHandler ch)
ch
- the ContentHandler to be the result of the tree walk.public void traverse(int pos) throws SAXException
pos
- Node in the tree at which to start (and end) traversal --
in other words, the root of the subtree to traverse over.TransformerException
SAXException
public void traverse(int pos, int top) throws SAXException
pos
- Node in the tree where to start traversaltop
- Node in the tree where to end traversal.
If top==DTM.NULL, run through end of document.TransformerException
SAXException
protected void startNode(int node) throws SAXException
node
- Node to processSAXException
protected void endNode(int node) throws SAXException
node
- Node we just finished processingSAXException
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