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java.lang.Objectorg.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.FuncSubstring
public class FuncSubstring
Execute the Substring() function.
Constructor Summary | |
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FuncSubstring()
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Method Summary | |
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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.Function3Args |
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callArgVisitors, canTraverseOutsideSubtree, deepEquals, fixupVariables, getArg2, setArg |
Methods inherited from class org.apache.xpath.functions.Function2Args |
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getArg1 |
Methods inherited from class org.apache.xpath.functions.FunctionOneArg |
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getArg0, getExpression, setExpression |
Methods inherited from class org.apache.xpath.functions.Function |
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callVisitors, postCompileStep |
Methods inherited from class org.apache.xpath.Expression |
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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 |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public FuncSubstring()
Method Detail |
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public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
execute
in class Function
xctxt
- The current execution context.
javax.xml.transform.TransformerException
public void checkNumberArgs(int argNum) throws WrongNumberArgsException
checkNumberArgs
in class Function3Args
argNum
- The number of arguments that is being passed to the function.
WrongNumberArgsException
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