Package org.jaxen.expr

Class DefaultNumberExpr

java.lang.Object

org.jaxen.expr.DefaultExpr

org.jaxen.expr.DefaultNumberExpr

All Implemented Interfaces:

java.io.Serializable, Expr, NumberExpr

class DefaultNumberExpr
extends DefaultExpr
implements NumberExpr

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.Double	number
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor	Description
DefaultNumberExpr(java.lang.Double number)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	evaluate(Context context)	Evaluate the expression in the given context, and return the result.
java.lang.Number	getNumber()	Returns a java.lang.Double representing the number.
java.lang.String	getText()	Returns a String containing the XPath expression.
java.lang.String	toString()

Methods inherited from class org.jaxen.expr.DefaultExpr

convertToIterator, convertToList, simplify

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jaxen.expr.Expr

simplify

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

number

private java.lang.Double number

Constructor Detail

DefaultNumberExpr

DefaultNumberExpr(java.lang.Double number)

Method Detail

getNumber

public java.lang.Number getNumber()

Description copied from interface: NumberExpr

Returns a java.lang.Double representing the number.

Specified by:

getNumber in interface NumberExpr

Returns:

a java.lang.Double representing the number

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getText

public java.lang.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

evaluate

public java.lang.Object evaluate(Context context)

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