Class DefaultVariableReferenceExpr

java.lang.Object

org.jaxen.expr.DefaultExpr

org.jaxen.expr.DefaultVariableReferenceExpr

All Implemented Interfaces:

Serializable, Expr, VariableReferenceExpr

class DefaultVariableReferenceExpr
extends DefaultExpr
implements VariableReferenceExpr

Field Summary

Fields

Modifier and Type	Field	Description
private String	localName
private String	prefix
private static final long	serialVersionUID

Constructor Summary

Constructors

Constructor	Description
DefaultVariableReferenceExpr(String prefix, String variableName)

Method Summary

Modifier and Type	Method	Description
Object	evaluate(Context context)	Evaluate the expression in the given context, and return the result.
String	getPrefix()	Returns the namespace prefix of the variable.
private String	getQName()
String	getText()	Returns a String containing the XPath expression.
String	getVariableName()	Returns the local name of the variable.
String	toString()

Methods inherited from class DefaultExpr

convertToIterator, convertToList, simplify

Methods inherited from class Object

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

Methods inherited from interface Expr

simplify

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

prefix

private String prefix

localName

private String localName

Constructor Details

DefaultVariableReferenceExpr

DefaultVariableReferenceExpr(String prefix,
 String variableName)

Method Details

getPrefix

public String getPrefix()

Description copied from interface: VariableReferenceExpr

Returns the namespace prefix of the variable. This is the empty string for variables with no namespace prefix.

Specified by:

getPrefix in interface VariableReferenceExpr

Returns:

the namespace prefix of the variable

getVariableName

public String getVariableName()

Description copied from interface: VariableReferenceExpr

Returns the local name of the variable.

Specified by:

getVariableName in interface VariableReferenceExpr

Returns:

the local name of the variable

toString

public String toString()

Overrides:

toString in class Object

getQName

private String getQName()

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

evaluate

public Object evaluate(Context context)
                throws UnresolvableException

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:

UnresolvableException