1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/samples/mothers_day.js Fri Sep 04 17:17:44 2015 +0530
1.3 @@ -0,0 +1,56 @@
1.4 +# compute Mothers day of the given the year
1.5 +
1.6 +/*
1.7 + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
1.8 + *
1.9 + * Redistribution and use in source and binary forms, with or without
1.10 + * modification, are permitted provided that the following conditions
1.11 + * are met:
1.12 + *
1.13 + * - Redistributions of source code must retain the above copyright
1.14 + * notice, this list of conditions and the following disclaimer.
1.15 + *
1.16 + * - Redistributions in binary form must reproduce the above copyright
1.17 + * notice, this list of conditions and the following disclaimer in the
1.18 + * documentation and/or other materials provided with the distribution.
1.19 + *
1.20 + * - Neither the name of Oracle nor the names of its
1.21 + * contributors may be used to endorse or promote products derived
1.22 + * from this software without specific prior written permission.
1.23 + *
1.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
1.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
1.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
1.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
1.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
1.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
1.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.35 + */
1.36 +
1.37 +// print "Mother's day" of the given year using Java Time API
1.38 +
1.39 +if (arguments.length == 0) {
1.40 + print("Usage: jjs mothers_day.js -- year");
1.41 + exit(1);
1.42 +}
1.43 +
1.44 +// java classes used
1.45 +var DayOfWeek = java.time.DayOfWeek;
1.46 +var LocalDate = java.time.LocalDate;
1.47 +var TemporalAdjusters = java.time.temporal.TemporalAdjusters;
1.48 +
1.49 +var year = parseInt(arguments[0]);
1.50 +
1.51 +// See: https://en.wikipedia.org/?title=Mother%27s_Day
1.52 +// We need second Sunday of May. Make April 30 of the given
1.53 +// year adjust and adjust to next Sunday from there twice. To adjust a Date
1.54 +// we use a common TemporalAdjuster provided in JDK8.
1.55 +// https://docs.oracle.com/javase/8/docs/api/java/time/temporal/TemporalAdjusters.html
1.56 +
1.57 +print(LocalDate.of(year, 4, 30).
1.58 + with(TemporalAdjusters.next(DayOfWeek.SUNDAY)).
1.59 + with(TemporalAdjusters.next(DayOfWeek.SUNDAY)));
