org.jaxen.function

Class ContainsFunction

public class ContainsFunction extends 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)

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

Method Summary
Object	call(Context context, List args) Returns true if the string-value of the first item in `args` contains string-value of the second item; false otherwise.
static Boolean	evaluate(Object strArg, Object matchArg, Navigator nav) Returns true if the first string contains the second string; false otherwise.

Constructor Detail

ContainsFunction

public ContainsFunction()

Create a new ContainsFunction object.

Method Detail

call

public Object call(Context context, List args)

Returns true if the string-value of the first item in args contains string-value of the second item; false otherwise. If necessary one or both items are converted to a string as if by the XPath string() function.

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

Returns: the result of evaluating the function; Boolean.TRUE or Boolean.FALSE

Throws: FunctionCallException if args does not have exactly two items

evaluate

public static Boolean evaluate(Object strArg, 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 string matchArg the contained string nav used to calculate the string-values of the first two arguments

Returns: Boolean.TRUE if true if the first string contains the second string; Boolean.FALSE otherwise.