jsadapter-fallthrough.js revision 1464:6c6df82265f0 
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30 */
31
32// Demonstrate how to provide a default fall-through solution for adapted Java
33// objects, forwarding all calls that are not adapted.
34
35var Date = Java.type('java.time.LocalDate')
36
37function wrapDate(d) {
38    return new JSAdapter() {
39        __call__: function() {
40            // adapted (extra) methods
41            if (arguments[0] === 'yesterday') {
42                return d.minusDays(1)
43            }
44            // fall-through: forward all other, non-adapted method calls
45            var args = [d].concat(Array.prototype.slice.call(arguments, 1))
46            return Function.call.apply(d[arguments[0]], args)
47        }
48    }
49}
50
51var now = wrapDate(Date.now())
52
53print(now)
54print(now.yesterday()) // adapted
55print(now.lengthOfMonth()) // fall through to original method
56print(now.atTime(23, 42)) // arguments are passed through
57
58