org.jaxen.expr
Class DefaultVariableReferenceExpr
java.lang.Object
org.jaxen.expr.DefaultExpr
org.jaxen.expr.DefaultVariableReferenceExpr
- All Implemented Interfaces:
- java.io.Serializable, Expr, VariableReferenceExpr
class DefaultVariableReferenceExpr
- extends DefaultExpr
- implements VariableReferenceExpr
Method Summary |
java.lang.Object |
evaluate(Context context)
Evaluate the expression in the given context, and return the result. |
java.lang.String |
getPrefix()
Returns the namespace prefix of the variable. |
private java.lang.String |
getQName()
|
java.lang.String |
getText()
Returns a String containing the XPath expression. |
java.lang.String |
getVariableName()
Returns the local name of the variable. |
java.lang.String |
toString()
|
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 |
serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
prefix
private java.lang.String prefix
localName
private java.lang.String localName
DefaultVariableReferenceExpr
DefaultVariableReferenceExpr(java.lang.String prefix,
java.lang.String variableName)
getPrefix
public java.lang.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 java.lang.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 java.lang.String toString()
- Overrides:
toString
in class java.lang.Object
getQName
private java.lang.String getQName()
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)
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