org.apache.xpath.functions
Class FuncSubstringBefore

java.lang.Object
  org.apache.xpath.Expression
      org.apache.xpath.functions.Function
          org.apache.xpath.functions.FunctionOneArg
              org.apache.xpath.functions.Function2Args
                  org.apache.xpath.functions.FuncSubstringBefore

All Implemented Interfaces:

ExpressionNode, ExpressionOwner, Serializable, javax.xml.transform.SourceLocator, XPathVisitable

public class FuncSubstringBefore

extends Function2Args

Execute the SubstringBefore() function.

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class org.apache.xpath.functions.Function2Args

Function2Args.Arg1Owner

Field Summary

Fields inherited from class org.apache.xpath.functions.Function2Args

m_arg1

Fields inherited from class org.apache.xpath.functions.FunctionOneArg

m_arg0

Fields inherited from class org.apache.xpath.Expression

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

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