org.jaxen.expr
public interface Expr extends Serializable
[14] Expr ::= OrExpr
Method Summary | |
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Object | evaluate(Context context)
Evaluate the expression in the given context, and return the result.
|
String | getText()
Returns a String containing the XPath expression.
|
Expr | simplify()
Simplifies the XPath expression. |
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.
Parameters: context the context in which the expression is evaluated
Returns: an object representing the result of the evaluation
Throws: JaxenException
Returns: the text form of this XPath expression
//para[1 = 1]
could be simplified to
//para
. In practice, this is usually a noop.
Jaxen does not currently perform any simplification.
Returns: the simplified expression