org.apache.xpath.functions
Class FuncBoolean

java.lang.Object
  extended byorg.apache.xpath.Expression
      extended byorg.apache.xpath.functions.Function
          extended byorg.apache.xpath.functions.FunctionOneArg
              extended byorg.apache.xpath.functions.FuncBoolean
All Implemented Interfaces:
ExpressionNode, ExpressionOwner, Serializable, javax.xml.transform.SourceLocator, XPathVisitable

public class FuncBoolean
extends FunctionOneArg

Execute the Boolean() function.

See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.xpath.functions.FunctionOneArg
m_arg0
 
Fields inherited from class org.apache.xpath.Expression
 
Constructor Summary
FuncBoolean()
           
 
Method Summary
 XObject execute(XPathContext xctxt)
          Execute the function.
 
Methods inherited from class org.apache.xpath.functions.FunctionOneArg
callArgVisitors, canTraverseOutsideSubtree, checkNumberArgs, deepEquals, fixupVariables, getArg0, getExpression, reportWrongNumberArgs, setArg, setExpression
 
Methods inherited from class org.apache.xpath.functions.Function
callVisitors, postCompileStep
 
Methods inherited from class org.apache.xpath.Expression
asIterator, asIteratorRaw, asNode, assertion, bool, error, execute, execute, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isSameClass, isStableNumber, num, warn, xstr
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FuncBoolean

public FuncBoolean()
Method Detail

execute

public XObject execute(XPathContext xctxt)
                throws javax.xml.transform.TransformerException
Execute the function. The function must return a valid object.

Overrides:
execute in class Function
Parameters:
xctxt - The current execution context.
Returns:
A valid XObject.
Throws:
javax.xml.transform.TransformerException