org.jaxen.expr

Class DefaultAndExpr

java.lang.Object

org.jaxen.expr.DefaultExpr

org.jaxen.expr.DefaultBinaryExpr

org.jaxen.expr.DefaultTruthExpr

org.jaxen.expr.DefaultLogicalExpr

org.jaxen.expr.DefaultAndExpr

All Implemented Interfaces:

java.io.Serializable, BinaryExpr, Expr, LogicalExpr

class DefaultAndExpr
extends DefaultLogicalExpr

Field Summary

Fields

Modifier and Type	Field and Description
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
DefaultAndExpr(Expr lhs, Expr rhs)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	evaluate(Context context) Evaluate the expression in the given context, and return the result.
java.lang.String	getOperator() Returns the operator for the binary expression such as "+" or "div".
java.lang.String	toString()

Methods inherited from class org.jaxen.expr.DefaultTruthExpr

bothAreBoolean, bothAreSets, eitherIsBoolean, eitherIsNumber, eitherIsSet, isBoolean, isSet, setIsEmpty

Methods inherited from class org.jaxen.expr.DefaultBinaryExpr

getLHS, getRHS, getText, setLHS, setRHS, simplify

Methods inherited from class org.jaxen.expr.DefaultExpr

convertToIterator, convertToList

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jaxen.expr.BinaryExpr

getLHS, getRHS

Methods inherited from interface org.jaxen.expr.Expr

getText, simplify

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

DefaultAndExpr

DefaultAndExpr(Expr lhs,
               Expr rhs)

Method Detail

getOperator

public java.lang.String getOperator()

Description copied from interface: BinaryExpr

Returns the operator for the binary expression such as "+" or "div".

Specified by:

getOperator in interface BinaryExpr

Specified by:

getOperator in class DefaultBinaryExpr

Returns:

the operator for the expression

toString

public java.lang.String toString()

Overrides:

toString in class DefaultTruthExpr

evaluate

public java.lang.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.

Parameters:

context - the context in which the expression is evaluated

Returns:

an object representing the result of the evaluation

Throws:

JaxenException