org.jaxen.function

Class StartsWithFunction

public class StartsWithFunction extends Object implements Function

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.

Author: bob mcwhirter (bob @ werken.com)

Constructor Summary
	StartsWithFunction() Create a new `StartsWithFunction` object.

Method Summary
Object	call(Context context, 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 Boolean	evaluate(Object strArg, Object matchArg, Navigator nav) Returns true if the string-value of `strArg` starts with the string-value of `matchArg`.

Constructor Detail

StartsWithFunction

public StartsWithFunction()

Create a new StartsWithFunction object.

Method Detail

call

public Object call(Context context, 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. Otherwise it returns false.

Parameters: context the context at the point in the expression when the function is called args a list that contains two items

Returns: Boolean.TRUE if the first item in args starts with the string-value of the second item in args; otherwise Boolean.FALSE

Throws: FunctionCallException if args does not have length two

evaluate

public static Boolean evaluate(Object strArg, Object matchArg, Navigator nav)

Returns true if the string-value of strArg starts with the string-value of matchArg. Otherwise it returns false.

Parameters: strArg the object whose string-value searched for the prefix matchArg the object whose string-value becomes the prefix string to compare against nav the navigator used to calculate the string-values of the arguments

Returns: Boolean.TRUE if the string-value of strArg starts with the string-value of matchArg; otherwise Boolean.FALSE