FuncConcat (Xalan-Java 2.7.2)

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.Function3Args

org.apache.xpath.functions.FunctionMultiArgs

org.apache.xpath.functions.FuncConcat

All Implemented Interfaces:: Serializable, SourceLocator, ExpressionNode, ExpressionOwner, XPathVisitable

public class FuncConcat extends FunctionMultiArgs

Execute the Concat() function.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor

Description

FuncConcat()
Method Summary

Modifier and Type

Method

Description

void

checkNumberArgs(int argNum)

Check that the number of arguments passed to this function is correct.

XObject

execute(XPathContext xctxt)

Execute the function.

Methods inherited from class org.apache.xpath.functions.FunctionMultiArgs
callArgVisitors, canTraverseOutsideSubtree, deepEquals, fixupVariables, getArgs, setArg

Methods inherited from class org.apache.xpath.functions.Function3Args
getArg2

Methods inherited from class org.apache.xpath.functions.Function2Args
getArg1

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, isStableNumber, num, warn, xstr

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- FuncConcat
  
  public FuncConcat()
Method Details
- execute
  
  public XObject execute(XPathContext xctxt) throws 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:
  
  TransformerException
- checkNumberArgs
  
  public void checkNumberArgs(int argNum) throws WrongNumberArgsException
  
  Check that the number of arguments passed to this function is correct.
  
  Overrides:
  
  checkNumberArgs in class FunctionMultiArgs
  
  Parameters:
  
  argNum - The number of arguments that is being passed to the function.
  
  Throws:
  
  WrongNumberArgsException