1 /*
2 * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
573 getMonth() + 1,
574 getDate(),
575 getHours(),
576 getMinutes(),
577 getSeconds(),
578 getNanos());
579 }
580
581 /**
582 * Obtains an instance of {@code Timestamp} from an {@link Instant} object.
583 * <p>
584 * {@code Instant} can store points on the time-line further in the future
585 * and further in the past than {@code Date}. In this scenario, this method
586 * will throw an exception.
587 *
588 * @param instant the instant to convert
589 * @return an {@code Timestamp} representing the same point on the time-line as
590 * the provided instant
591 * @exception NullPointerException if {@code instant} is null.
592 * @exception IllegalArgumentException if the instant is too large to
593 * represent as a {@code Timesamp}
594 * @since 1.8
595 */
596 public static Timestamp from(Instant instant) {
597 try {
598 Timestamp stamp = new Timestamp(instant.getEpochSecond() * MILLIS_PER_SECOND);
599 stamp.nanos = instant.getNano();
600 return stamp;
601 } catch (ArithmeticException ex) {
602 throw new IllegalArgumentException(ex);
603 }
604 }
605
606 /**
607 * Converts this {@code Timestamp} object to an {@code Instant}.
608 * <p>
609 * The conversion creates an {@code Instant} that represents the same
610 * point on the time-line as this {@code Timestamp}.
611 *
612 * @return an instant representing the same point on the time-line
613 * @since 1.8
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1 /*
2 * Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
573 getMonth() + 1,
574 getDate(),
575 getHours(),
576 getMinutes(),
577 getSeconds(),
578 getNanos());
579 }
580
581 /**
582 * Obtains an instance of {@code Timestamp} from an {@link Instant} object.
583 * <p>
584 * {@code Instant} can store points on the time-line further in the future
585 * and further in the past than {@code Date}. In this scenario, this method
586 * will throw an exception.
587 *
588 * @param instant the instant to convert
589 * @return an {@code Timestamp} representing the same point on the time-line as
590 * the provided instant
591 * @exception NullPointerException if {@code instant} is null.
592 * @exception IllegalArgumentException if the instant is too large to
593 * represent as a {@code Timestamp}
594 * @since 1.8
595 */
596 public static Timestamp from(Instant instant) {
597 try {
598 Timestamp stamp = new Timestamp(instant.getEpochSecond() * MILLIS_PER_SECOND);
599 stamp.nanos = instant.getNano();
600 return stamp;
601 } catch (ArithmeticException ex) {
602 throw new IllegalArgumentException(ex);
603 }
604 }
605
606 /**
607 * Converts this {@code Timestamp} object to an {@code Instant}.
608 * <p>
609 * The conversion creates an {@code Instant} that represents the same
610 * point on the time-line as this {@code Timestamp}.
611 *
612 * @return an instant representing the same point on the time-line
613 * @since 1.8
|