Package org.jaxen.function
Class ContainsFunction
- java.lang.Object
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- org.jaxen.function.ContainsFunction
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- All Implemented Interfaces:
Function
public class ContainsFunction extends java.lang.Object implements Function
4.2
boolean contains(string,string)The contains function returns true if the first argument string contains the second argument string, and otherwise returns false.
- Author:
- bob mcwhirter (bob @ werken.com)
- See Also:
- Section 4.2 of the XPath Specification
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Constructor Summary
Constructors Constructor Description ContainsFunction()Create a newContainsFunctionobject.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Objectcall(Context context, java.util.List args)Returns true if the string-value of the first item inargscontains string-value of the second item; false otherwise.static java.lang.Booleanevaluate(java.lang.Object strArg, java.lang.Object matchArg, Navigator nav)Returns true if the first string contains the second string; false otherwise.
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Method Detail
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call
public java.lang.Object call(Context context, java.util.List args) throws FunctionCallException
Returns true if the string-value of the first item in
argscontains string-value of the second item; false otherwise. If necessary one or both items are converted to a string as if by the XPathstring()function.- Specified by:
callin interfaceFunction- Parameters:
context- the context at the point in the expression when the function is calledargs- a list containing exactly two items- Returns:
- the result of evaluating the function;
Boolean.TRUEorBoolean.FALSE - Throws:
FunctionCallException- ifargsdoes not have exactly two items
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evaluate
public static java.lang.Boolean evaluate(java.lang.Object strArg, java.lang.Object matchArg, Navigator nav)Returns true if the first string contains the second string; false otherwise. If necessary one or both arguments are converted to a string as if by the XPath
string()function.- Parameters:
strArg- the containing stringmatchArg- the contained stringnav- used to calculate the string-values of the first two arguments- Returns:
Boolean.TRUEif true if the first string contains the second string;Boolean.FALSEotherwise.
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