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java.lang.Objectuk.ac.starlink.datanode.nodes.DefaultDataNode
uk.ac.starlink.datanode.nodes.DocumentDataNode
public class DocumentDataNode
DataNode implementation which describes a top-level XML document. DOM building is deferred.
Constructor Summary | |
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DocumentDataNode(Source xsrc)
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DocumentDataNode(XMLDocument xdoc)
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Method Summary | |
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boolean |
allowsChildren()
The DefaultDataNode implementation of this method returns false. |
protected void |
checkTopElement(String localName,
String namespaceURI)
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protected void |
checkTopLocalName(String localName)
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void |
configureDetail(DetailViewer dv)
No custom configuration is performed. |
Iterator |
getChildIterator()
The DefaultDataNode implementation of this method throws UnsupportedOperationException ( DefaultDataNode.allowsChildren() is false). |
protected Iterator |
getChildIterator(Node parentNode)
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protected DOMSource |
getDocument()
Returns a DOMSource corresponding to the XMLDocument underlying this data node. |
String |
getNodeTLA()
The DefaultDataNode implementation returns the string "...". |
String |
getNodeType()
Returns a short sentence indicating what kind of node this is. |
String |
getPathSeparator()
Returns a default separator string. |
Methods inherited from class uk.ac.starlink.datanode.nodes.DefaultDataNode |
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beep, getChildMaker, getCreator, getDataObject, getDescription, getIcon, getLabel, getName, getParentObject, getPathElement, hasDataObject, makeChild, makeErrorChild, registerDataObject, setChildMaker, setCreator, setDescription, setIconID, setLabel, setName, setParentObject, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public DocumentDataNode(XMLDocument xdoc)
public DocumentDataNode(Source xsrc) throws NoSuchDataException
NoSuchDataException
Method Detail |
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public boolean allowsChildren()
DefaultDataNode
allowsChildren
in interface DataNode
allowsChildren
in class DefaultDataNode
true
if the node is of a type which can have
child nodes, false
otherwisepublic String getNodeTLA()
DefaultDataNode
getNodeTLA
in interface DataNode
getNodeTLA
in class DefaultDataNode
public String getNodeType()
DataNode
getNodeType
in interface DataNode
getNodeType
in class DefaultDataNode
DataNode
public String getPathSeparator()
DefaultDataNode
getPathSeparator
in interface DataNode
getPathSeparator
in class DefaultDataNode
protected void checkTopElement(String localName, String namespaceURI) throws NoSuchDataException
NoSuchDataException
protected void checkTopLocalName(String localName) throws NoSuchDataException
NoSuchDataException
protected Iterator getChildIterator(Node parentNode)
public Iterator getChildIterator()
DefaultDataNode
DefaultDataNode.allowsChildren()
is false).
getChildIterator
in interface DataNode
getChildIterator
in class DefaultDataNode
Iterator
over the children. Each object
iterated over should be a DataNode
.
Behaviour is undefined if this method is called on an
object for which allowsChildren
returns
false
.public void configureDetail(DetailViewer dv)
DefaultDataNode
configureDetail
in interface DataNode
configureDetail
in class DefaultDataNode
dv
- the detail viewer which this node is given an opportunity
to configureprotected DOMSource getDocument() throws IOException, SAXException
IOException
SAXException
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