Class ErrorFunctionCall
- java.lang.Object
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- org.exolab.adaptx.xpath.expressions.PrimaryExpr
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- org.exolab.adaptx.xpath.expressions.FunctionCall
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- org.exolab.adaptx.xpath.functions.FunctionCallImpl
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- org.exolab.adaptx.xpath.functions.ErrorFunctionCall
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- All Implemented Interfaces:
Parameters
,XPathExpression
public class ErrorFunctionCall extends FunctionCallImpl
A function to allow invalid expr's to go unnoticed until called. Since Adaptx parses the expressions up front this FunctionCall is useful in saving error messages for a later invocation!- Version:
- $Revision: 3736 $ $Date: 2003-05-13 09:57:04 +0200 (Tue, 13 May 2003) $
- Author:
- Keith Visco
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
ERROR_FN
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Fields inherited from class org.exolab.adaptx.xpath.functions.FunctionCallImpl
INVALID_NUMBER_PARAMS, INVALID_RESULT
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Fields inherited from class org.exolab.adaptx.xpath.expressions.PrimaryExpr
EXPR, FUNCTION_CALL, LITERAL, NUMBER, VARIABLE_REFERENCE
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Fields inherited from interface org.exolab.adaptx.xpath.XPathExpression
BOOLEAN, ERROR, FILTER_EXPR, LOCATION_PATH, NODE_TEST, PATH_EXPR, PRIMARY, STEP, STRING, UNION_EXPR
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Constructor Summary
Constructors Constructor Description ErrorFunctionCall()
Creates a new ErrorFunctionCall
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description XPathResult
evaluate(XPathContext context)
Evaluates the expression and returns the XPath result.void
setError(java.lang.String error)
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Methods inherited from class org.exolab.adaptx.xpath.functions.FunctionCallImpl
addParameter, getFunctionName, getParameter, getParameterCount, toString
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Methods inherited from class org.exolab.adaptx.xpath.expressions.PrimaryExpr
getExprType, getType
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Field Detail
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ERROR_FN
public static final java.lang.String ERROR_FN
- See Also:
- Constant Field Values
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Method Detail
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evaluate
public XPathResult evaluate(XPathContext context) throws XPathException
Evaluates the expression and returns the XPath result.- Parameters:
context
- The XPathContext to use during evaluation.- Returns:
- The XPathResult (not null).
- Throws:
XPathException
- if an error occured while evaluating this expression.
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setError
public void setError(java.lang.String error)
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