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java.lang.Objectorg.jaxen.function.StartsWithFunction
public class StartsWithFunction
4.2 boolean starts-with(string,string)
The starts-with function returns true if the first argument string starts with the second argument string, and otherwise returns false.
Constructor Summary | |
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StartsWithFunction()
Create a new StartsWithFunction object. |
Method Summary | |
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java.lang.Object |
call(Context context,
java.util.List args)
Returns true if the string-value of the first item in args
starts with the string-value of the second item in args . |
static java.lang.Boolean |
evaluate(java.lang.Object strArg,
java.lang.Object matchArg,
Navigator nav)
Returns true if the string-value of strArg
starts with the string-value of matchArg . |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public StartsWithFunction()
StartsWithFunction
object.
Method Detail |
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public java.lang.Object call(Context context, java.util.List args) throws FunctionCallException
args
starts with the string-value of the second item in args
.
Otherwise it returns false.
call
in interface Function
context
- the context at the point in the
expression when the function is calledargs
- a list that contains two items
Boolean.TRUE
if the first item in args
starts with the string-value of the second item in args
;
otherwise Boolean.FALSE
FunctionCallException
- if args
does not have length twopublic static java.lang.Boolean evaluate(java.lang.Object strArg, java.lang.Object matchArg, Navigator nav)
strArg
starts with the string-value of matchArg
.
Otherwise it returns false.
strArg
- the object whose string-value searched for the prefixmatchArg
- the object whose string-value becomes the prefix string to compare againstnav
- the navigator used to calculate the string-values of the arguments
Boolean.TRUE
if the string-value of strArg
starts with the string-value of matchArg
;
otherwise Boolean.FALSE
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