Class Concat

    • Constructor Detail

      • Concat

        public Concat()
    • Method Detail

      • evaluateAsString

        public java.lang.String evaluateAsString​(XPathContext c)
                                          throws XPathException
        Evaluate the function in a string context
        Specified by:
        evaluateAsString in interface Expression
        Overrides:
        evaluateAsString in class ComputedExpression
        Parameters:
        c - The context in which the expression is to be evaluated
        Returns:
        the value of the expression, evaluated in the current context. The expression must return a string or (); if the value of the expression is (), this method returns "".
        Throws:
        XPathException - if any dynamic error occurs evaluating the expression
      • evaluateItem

        public Item evaluateItem​(XPathContext c)
                          throws XPathException
        Evaluate in a general context
        Specified by:
        evaluateItem in interface Expression
        Overrides:
        evaluateItem in class ComputedExpression
        Parameters:
        c - The context in which the expression is to be evaluated
        Returns:
        the node or atomic value that results from evaluating the expression; or null to indicate that the result is an empty sequence
        Throws:
        XPathException - if any dynamic error occurs evaluating the expression