org.knime.core.data.xml.io
Class LimitedXPathMatcher

java.lang.Object
  org.knime.core.data.xml.io.LimitedXPathMatcher

public class LimitedXPathMatcher
extends Object

Author:

Heiko Hofer

Constructor Summary

LimitedXPathMatcher(String xpath, NamespaceContext nsContext)
Create a new instance.

Method Summary

(package private) void	endElement() Called in the XMLStreamConstants.START_ELEMENT call back of the XMLStreamReader.
boolean	nodeMatches() Returns true when the xpath matches any node except the root node.
boolean	rootMatches() Returns true when the xpath matches the root node '/'.
(package private) boolean	startElement(QName name) Called in the XMLStreamConstants.START_ELEMENT call back of the XMLStreamReader.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LimitedXPathMatcher

public LimitedXPathMatcher(String xpath,
                           NamespaceContext nsContext)
                    throws InvalidSettingsException

Create a new instance.

Parameters:

xpath - The limited xpath which may contain absolute paths to nodes and the |-Operator

nsContext - The namespace context used for the XPath

Throws:

InvalidSettingsException - when the xpath has prefixes not defined in the nsContext

Method Detail

startElement

boolean startElement(QName name)

Called in the XMLStreamConstants.START_ELEMENT call back of the XMLStreamReader. Returns this element matches the xpath expression given in the constructor.

Parameters:

name - name of the element

Returns:

true when element matches the xpath

endElement

void endElement()

Called in the XMLStreamConstants.START_ELEMENT call back of the XMLStreamReader.

rootMatches

public boolean rootMatches()

Returns true when the xpath matches the root node '/'.

Returns:

true when the xpath matches the root node '/'

nodeMatches

public boolean nodeMatches()

Returns true when the xpath matches any node except the root node.

Returns:

true when the xpath matches any node except the root node.