--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/samples/jsadapter-fallthrough.js Mon Oct 12 13:36:41 2015 +0200
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of Oracle nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// Demonstrate how to provide a default fall-through solution for adapted Java
+// objects, forwarding all calls that are not adapted.
+
+var Date = Java.type('java.time.LocalDate')
+
+function wrapDate(d) {
+ return new JSAdapter() {
+ __call__: function() {
+ // adapted (extra) methods
+ if (arguments[0] === 'yesterday') {
+ return d.minusDays(1)
+ }
+ // fall-through: forward all other, non-adapted method calls
+ var args = [d].concat(Array.prototype.slice.call(arguments, 1))
+ return Function.call.apply(d[arguments[0]], args)
+ }
+ }
+}
+
+var now = wrapDate(Date.now())
+
+print(now)
+print(now.yesterday()) // adapted
+print(now.lengthOfMonth()) // fall through to original method
+print(now.atTime(23, 42)) // arguments are passed through
+