Package org.apache.xpath.functions
Class FuncConcat
- java.lang.Object
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- All Implemented Interfaces:
java.io.Serializable
,javax.xml.transform.SourceLocator
,ExpressionNode
,ExpressionOwner
,XPathVisitable
public class FuncConcat extends FunctionMultiArgs
Execute the Concat() function.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description FuncConcat()
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Method Summary
All Methods Instance Methods Concrete Methods 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
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Methods inherited from class org.apache.xpath.functions.Function3Args
getArg2
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Methods inherited from class org.apache.xpath.functions.Function2Args
getArg1
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Methods inherited from class org.apache.xpath.functions.FunctionOneArg
getArg0, getExpression, setExpression
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Methods inherited from class org.apache.xpath.functions.Function
callVisitors, postCompileStep
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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
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Method Detail
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execute
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
Execute the function. The function must return a valid object.
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checkNumberArgs
public void checkNumberArgs(int argNum) throws WrongNumberArgsException
Check that the number of arguments passed to this function is correct.- Overrides:
checkNumberArgs
in classFunctionMultiArgs
- Parameters:
argNum
- The number of arguments that is being passed to the function.- Throws:
WrongNumberArgsException
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