Class DefaultLocationPath

java.lang.Object
org.jaxen.expr.DefaultExpr
org.jaxen.expr.DefaultLocationPath
All Implemented Interfaces:
Serializable, Expr, LocationPath
Direct Known Subclasses:
DefaultAbsoluteLocationPath, DefaultRelativeLocationPath
abstract class DefaultLocationPath extends DefaultExpr implements LocationPath

  • Field Details

    • steps

      private List steps

  • Constructor Details

    • DefaultLocationPath

      DefaultLocationPath()
      Create a new empty location path.

  • Method Details

    • addStep

      public void addStep(Step step)
      Description copied from interface: LocationPath
      Add the next step to this location path.
      Specified by:
      addStep in interface LocationPath
      Parameters:
      step -

    • getSteps

      public List getSteps()
      Description copied from interface: LocationPath
      Returns the ordered list of steps in this location path. This list may be live.
      Specified by:
      getSteps in interface LocationPath
      Returns:
      the ordered list of steps in this location path

    • simplify

      public Expr simplify()
      Description copied from interface: Expr
      Simplifies the XPath expression. For example, the expression //para[1 = 1] could be simplified to //para. In practice, this is usually a noop. Jaxen does not currently perform any simplification.
      Specified by:
      simplify in interface Expr
      Overrides:
      simplify in class DefaultExpr
      Returns:
      the simplified expression

    • getText

      public String getText()
      Description copied from interface: Expr
      Returns a String containing the XPath expression.
      Specified by:
      getText in interface Expr
      Returns:
      the text form of this XPath expression

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • isAbsolute

      public boolean isAbsolute()
      Description copied from interface: LocationPath
      Returns true if this is an absolute location path; false if it isn't. Absolute location paths all begiune with / or //.
      Specified by:
      isAbsolute in interface LocationPath
      Returns:
      true if this is an absol;ute location path; false if it isn't

    • evaluate

      public Object evaluate(Context context) throws JaxenException
      Description copied from interface: Expr
      Evaluate the expression in the given context, and return the result. The result will be a java.lang.Double for expressions that return a number, a java.lang.String for expressions that return a string, a java.lang.Boolean for expressions that return a boolean, and a java.util.List for expressions that return a node-set. In the latter case, the elements of the list are the actual objects from the source document model. Copies are not made.
      Specified by:
      evaluate in interface Expr
      Parameters:
      context - the context in which the expression is evaluated
      Returns:
      an object representing the result of the evaluation
      Throws:
      JaxenException

    • isReverseAxis

      private boolean isReverseAxis(Step step)