Mon, 17 Apr 2017 11:46:11 -0700
Added tag jdk8u141-b05 for changeset f7fc5fc0e2cb
1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * - Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * - Neither the name of Oracle nor the names of its
16 * contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
32 // converting b/w JavaScript Date and Java LocalDateTime
34 // JavaScript Date with current time
35 var d = new Date();
36 print(d);
38 // Java 8 java.time classes used
39 var Instant = java.time.Instant;
40 var LocalDateTime = java.time.LocalDateTime;
41 var ZoneId = java.time.ZoneId;
43 // Date.prototype.getTime
45 // getTime() method returns the numeric value corresponding to the time
46 // for the specified date according to universal time. The value returned
47 // by the getTime() method is the number of milliseconds since 1 January 1970 00:00:00 UTC.
48 // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTime
50 // Java Instant.ofEpochMilli to convert time in milliseconds to Instant object
51 // https://docs.oracle.com/javase/8/docs/api/java/time/Instant.html#ofEpochMilli-long-
53 var instant = Instant.ofEpochMilli(d.getTime());
55 // Instant to LocalDateTime using LocalDateTime.ofInstant
56 // https://docs.oracle.com/javase/8/docs/api/java/time/LocalDateTime.html#ofInstant-java.time.Instant-java.time.ZoneId-
58 var ldt = LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
59 print(ldt);
61 // converting a LocalDateTime to JavaScript Date
62 // convert LocalDateTime to Instant first
63 // https://docs.oracle.com/javase/8/docs/api/java/time/LocalDateTime.html#atZone-java.time.ZoneId-
65 var instant = ldt.atZone(ZoneId.systemDefault()).toInstant();
67 // instant to to epoch milliseconds
68 // https://docs.oracle.com/javase/8/docs/api/java/time/Instant.html#toEpochMilli--
69 // and then to JavaScript Date from time in milliseconds
70 // https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Date
72 var d1 = new Date(instant.toEpochMilli());
73 print(d1);