Class JaxenXPathExecuter

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected org.jaxen.XPath getXPath​(java.lang.String expression)  
      org.w3c.dom.NodeList selectNodeList​(org.w3c.dom.Node contextNode, java.lang.String expression)
      Selects a node list by evaluating an XPath expression on a context node.
      java.lang.Object selectObject​(org.w3c.dom.Node contextNode, java.lang.String expression)
      Selects an object by evaluating an XPath expression on a context node.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • EXCEPTION_MESSAGE_KEY_XPATH_COMPILATION_FAILURE

        public static final java.lang.String EXCEPTION_MESSAGE_KEY_XPATH_COMPILATION_FAILURE
        See Also:
        Constant Field Values
      • EXCEPTION_MESSAGE_KEY_XPATH_SELECTION_FAILURE

        public static final java.lang.String EXCEPTION_MESSAGE_KEY_XPATH_SELECTION_FAILURE
        See Also:
        Constant Field Values
    • Constructor Detail

      • JaxenXPathExecuter

        public JaxenXPathExecuter()
    • Method Detail

      • getXPath

        protected org.jaxen.XPath getXPath​(java.lang.String expression)
                                    throws JRException
        Throws:
        JRException
      • selectNodeList

        public org.w3c.dom.NodeList selectNodeList​(org.w3c.dom.Node contextNode,
                                                   java.lang.String expression)
                                            throws JRException
        Description copied from interface: JRXPathExecuter
        Selects a node list by evaluating an XPath expression on a context node.
        Specified by:
        selectNodeList in interface JRXPathExecuter
        Parameters:
        contextNode - the context node (a document can also be used)
        expression - the XPath expression
        Returns:
        the selected node list
        Throws:
        JRException - if the XPath evaluation failed
      • selectObject

        public java.lang.Object selectObject​(org.w3c.dom.Node contextNode,
                                             java.lang.String expression)
                                      throws JRException
        Description copied from interface: JRXPathExecuter
        Selects an object by evaluating an XPath expression on a context node.

        If the expression evaluates to a node list, the first node in the list should be returned. Otherwise, the primitive value resulted from the evaluation should be returned as a java.lang.String, java.lang.Number or java.lang.Boolean.

        Specified by:
        selectObject in interface JRXPathExecuter
        Parameters:
        contextNode - the context node (a document can also be used)
        expression - the XPath expression
        Returns:
        the selected node or value
        Throws:
        JRException - if the XPath evaluation failed