org.apache.xpath.functions
Class FuncSubstringBefore

java.lang.Object
  extended by org.apache.xpath.Expression
      extended by org.apache.xpath.functions.Function
          extended by org.apache.xpath.functions.FunctionOneArg
              extended by org.apache.xpath.functions.Function2Args
                  extended by org.apache.xpath.functions.FuncSubstringBefore
All Implemented Interfaces:
java.io.Serializable, javax.xml.transform.SourceLocator, ExpressionNode, ExpressionOwner, XPathVisitable

public class FuncSubstringBefore
extends Function2Args

Execute the SubstringBefore() function.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.xpath.functions.Function2Args
Function2Args.Arg1Owner
 
Field Summary
(package private) static long serialVersionUID
           
 
Fields inherited from class org.apache.xpath.functions.Function2Args
m_arg1
 
Fields inherited from class org.apache.xpath.functions.FunctionOneArg
m_arg0
 
Constructor Summary
FuncSubstringBefore()
           
 
Method Summary
 XObject execute(XPathContext xctxt)
          Execute the function.
 
Methods inherited from class org.apache.xpath.functions.Function2Args
callArgVisitors, canTraverseOutsideSubtree, checkNumberArgs, deepEquals, fixupVariables, getArg1, reportWrongNumberArgs, setArg
 
Methods inherited from class org.apache.xpath.functions.FunctionOneArg
getArg0, getExpression, 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
 

Field Detail

serialVersionUID

static final long serialVersionUID
See Also:
Constant Field Values
Constructor Detail

FuncSubstringBefore

public FuncSubstringBefore()
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