org.apache.xpath.functions
Class FuncLang

java.lang.Object
  org.apache.xpath.Expression
      org.apache.xpath.functions.Function
          org.apache.xpath.functions.FunctionOneArg
              org.apache.xpath.functions.FuncLang

All Implemented Interfaces:

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

public class FuncLang

extends FunctionOneArg

Execute the Lang() 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

FuncLang()

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

FuncLang

public FuncLang()

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