diff options
Diffstat (limited to 'third_party/protobuf/3.2.0/java/util/src/main/java/com/google/protobuf/util/Durations.java')
-rw-r--r-- | third_party/protobuf/3.2.0/java/util/src/main/java/com/google/protobuf/util/Durations.java | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/third_party/protobuf/3.2.0/java/util/src/main/java/com/google/protobuf/util/Durations.java b/third_party/protobuf/3.2.0/java/util/src/main/java/com/google/protobuf/util/Durations.java deleted file mode 100644 index 46b2182865..0000000000 --- a/third_party/protobuf/3.2.0/java/util/src/main/java/com/google/protobuf/util/Durations.java +++ /dev/null @@ -1,302 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// 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 Google Inc. 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. - -package com.google.protobuf.util; - -import static com.google.common.base.Preconditions.checkArgument; -import static com.google.common.math.IntMath.checkedAdd; -import static com.google.common.math.IntMath.checkedSubtract; -import static com.google.common.math.LongMath.checkedAdd; -import static com.google.common.math.LongMath.checkedMultiply; -import static com.google.common.math.LongMath.checkedSubtract; -import static com.google.protobuf.util.Timestamps.MICROS_PER_SECOND; -import static com.google.protobuf.util.Timestamps.MILLIS_PER_SECOND; -import static com.google.protobuf.util.Timestamps.NANOS_PER_MICROSECOND; -import static com.google.protobuf.util.Timestamps.NANOS_PER_MILLISECOND; -import static com.google.protobuf.util.Timestamps.NANOS_PER_SECOND; - -import com.google.protobuf.Duration; -import java.text.ParseException; -import java.util.Comparator; - -/** - * Utilities to help create/manipulate {@code protobuf/duration.proto}. All operations throw an - * {@link IllegalArgumentException} if the input(s) are not {@linkplain #isValid(Duration) valid}. - */ -public final class Durations { - static final long DURATION_SECONDS_MIN = -315576000000L; - static final long DURATION_SECONDS_MAX = 315576000000L; - - /** A constant holding the minimum valid {@link Duration}, approximately {@code -10,000} years. */ - public static final Duration MIN_VALUE = - Duration.newBuilder().setSeconds(DURATION_SECONDS_MIN).setNanos(-999999999).build(); - - /** A constant holding the maximum valid {@link Duration}, approximately {@code +10,000} years. */ - public static final Duration MAX_VALUE = - Duration.newBuilder().setSeconds(DURATION_SECONDS_MAX).setNanos(999999999).build(); - - private Durations() {} - - private static final Comparator<Duration> COMPARATOR = - new Comparator<Duration>() { - @Override - public int compare(Duration d1, Duration d2) { - checkValid(d1); - checkValid(d2); - int secDiff = Long.compare(d1.getSeconds(), d2.getSeconds()); - return (secDiff != 0) ? secDiff : Integer.compare(d1.getNanos(), d2.getNanos()); - } - }; - - /** - * Returns a {@link Comparator} for {@link Duration}s which sorts in increasing chronological - * order. Nulls and invalid {@link Duration}s are not allowed (see {@link #isValid}). - */ - public static Comparator<Duration> comparator() { - return COMPARATOR; - } - - /** - * Returns true if the given {@link Duration} is valid. The {@code seconds} value must be in the - * range [-315,576,000,000, +315,576,000,000]. The {@code nanos} value must be in the range - * [-999,999,999, +999,999,999]. - * - * <p><b>Note:</b> Durations less than one second are represented with a 0 {@code seconds} field - * and a positive or negative {@code nanos} field. For durations of one second or more, a non-zero - * value for the {@code nanos} field must be of the same sign as the {@code seconds} field. - */ - public static boolean isValid(Duration duration) { - return isValid(duration.getSeconds(), duration.getNanos()); - } - - /** - * Returns true if the given number of seconds and nanos is a valid {@link Duration}. The {@code - * seconds} value must be in the range [-315,576,000,000, +315,576,000,000]. The {@code nanos} - * value must be in the range [-999,999,999, +999,999,999]. - * - * <p><b>Note:</b> Durations less than one second are represented with a 0 {@code seconds} field - * and a positive or negative {@code nanos} field. For durations of one second or more, a non-zero - * value for the {@code nanos} field must be of the same sign as the {@code seconds} field. - */ - public static boolean isValid(long seconds, int nanos) { - if (seconds < DURATION_SECONDS_MIN || seconds > DURATION_SECONDS_MAX) { - return false; - } - if (nanos < -999999999L || nanos >= NANOS_PER_SECOND) { - return false; - } - if (seconds < 0 || nanos < 0) { - if (seconds > 0 || nanos > 0) { - return false; - } - } - return true; - } - - /** Throws an {@link IllegalArgumentException} if the given {@link Duration} is not valid. */ - public static Duration checkValid(Duration duration) { - long seconds = duration.getSeconds(); - int nanos = duration.getNanos(); - checkArgument( - isValid(seconds, nanos), - "Duration is not valid. See proto definition for valid values. " - + "Seconds (%s) must be in range [-315,576,000,000, +315,576,000,000]. " - + "Nanos (%s) must be in range [-999,999,999, +999,999,999]. " - + "Nanos must have the same sign as seconds", - seconds, - nanos); - return duration; - } - - /** - * Convert Duration to string format. The string format will contains 3, 6, or 9 fractional digits - * depending on the precision required to represent the exact Duration value. For example: "1s", - * "1.010s", "1.000000100s", "-3.100s" The range that can be represented by Duration is from - * -315,576,000,000 to +315,576,000,000 inclusive (in seconds). - * - * @return The string representation of the given duration. - * @throws IllegalArgumentException if the given duration is not in the valid range. - */ - public static String toString(Duration duration) { - checkValid(duration); - - long seconds = duration.getSeconds(); - int nanos = duration.getNanos(); - - StringBuilder result = new StringBuilder(); - if (seconds < 0 || nanos < 0) { - result.append("-"); - seconds = -seconds; - nanos = -nanos; - } - result.append(seconds); - if (nanos != 0) { - result.append("."); - result.append(Timestamps.formatNanos(nanos)); - } - result.append("s"); - return result.toString(); - } - - /** - * Parse from a string to produce a duration. - * - * @return A Duration parsed from the string. - * @throws ParseException if parsing fails. - */ - public static Duration parse(String value) throws ParseException { - // Must ended with "s". - if (value.isEmpty() || value.charAt(value.length() - 1) != 's') { - throw new ParseException("Invalid duration string: " + value, 0); - } - boolean negative = false; - if (value.charAt(0) == '-') { - negative = true; - value = value.substring(1); - } - String secondValue = value.substring(0, value.length() - 1); - String nanoValue = ""; - int pointPosition = secondValue.indexOf('.'); - if (pointPosition != -1) { - nanoValue = secondValue.substring(pointPosition + 1); - secondValue = secondValue.substring(0, pointPosition); - } - long seconds = Long.parseLong(secondValue); - int nanos = nanoValue.isEmpty() ? 0 : Timestamps.parseNanos(nanoValue); - if (seconds < 0) { - throw new ParseException("Invalid duration string: " + value, 0); - } - if (negative) { - seconds = -seconds; - nanos = -nanos; - } - try { - return normalizedDuration(seconds, nanos); - } catch (IllegalArgumentException e) { - throw new ParseException("Duration value is out of range.", 0); - } - } - - /** Create a Duration from the number of seconds. */ - public static Duration fromSeconds(long seconds) { - return normalizedDuration(seconds, 0); - } - - /** - * Convert a Duration to the number of seconds. The result will be rounded towards 0 to the - * nearest second. E.g., if the duration represents -1 nanosecond, it will be rounded to 0. - */ - public static long toSeconds(Duration duration) { - return checkValid(duration).getSeconds(); - } - - /** Create a Duration from the number of milliseconds. */ - public static Duration fromMillis(long milliseconds) { - return normalizedDuration( - milliseconds / MILLIS_PER_SECOND, - (int) (milliseconds % MILLIS_PER_SECOND * NANOS_PER_MILLISECOND)); - } - - /** - * Convert a Duration to the number of milliseconds. The result will be rounded towards 0 to the - * nearest millisecond. E.g., if the duration represents -1 nanosecond, it will be rounded to 0. - */ - public static long toMillis(Duration duration) { - checkValid(duration); - return checkedAdd( - checkedMultiply(duration.getSeconds(), MILLIS_PER_SECOND), - duration.getNanos() / NANOS_PER_MILLISECOND); - } - - /** Create a Duration from the number of microseconds. */ - public static Duration fromMicros(long microseconds) { - return normalizedDuration( - microseconds / MICROS_PER_SECOND, - (int) (microseconds % MICROS_PER_SECOND * NANOS_PER_MICROSECOND)); - } - - /** - * Convert a Duration to the number of microseconds. The result will be rounded towards 0 to the - * nearest microseconds. E.g., if the duration represents -1 nanosecond, it will be rounded to 0. - */ - public static long toMicros(Duration duration) { - checkValid(duration); - return checkedAdd( - checkedMultiply(duration.getSeconds(), MICROS_PER_SECOND), - duration.getNanos() / NANOS_PER_MICROSECOND); - } - - /** Create a Duration from the number of nanoseconds. */ - public static Duration fromNanos(long nanoseconds) { - return normalizedDuration( - nanoseconds / NANOS_PER_SECOND, (int) (nanoseconds % NANOS_PER_SECOND)); - } - - /** Convert a Duration to the number of nanoseconds. */ - public static long toNanos(Duration duration) { - checkValid(duration); - return checkedAdd( - checkedMultiply(duration.getSeconds(), NANOS_PER_SECOND), duration.getNanos()); - } - - /** Add two durations. */ - public static Duration add(Duration d1, Duration d2) { - checkValid(d1); - checkValid(d2); - return normalizedDuration( - checkedAdd(d1.getSeconds(), d2.getSeconds()), checkedAdd(d1.getNanos(), d2.getNanos())); - } - - /** Subtract a duration from another. */ - public static Duration subtract(Duration d1, Duration d2) { - checkValid(d1); - checkValid(d2); - return normalizedDuration( - checkedSubtract(d1.getSeconds(), d2.getSeconds()), - checkedSubtract(d1.getNanos(), d2.getNanos())); - } - - static Duration normalizedDuration(long seconds, int nanos) { - if (nanos <= -NANOS_PER_SECOND || nanos >= NANOS_PER_SECOND) { - seconds = checkedAdd(seconds, nanos / NANOS_PER_SECOND); - nanos %= NANOS_PER_SECOND; - } - if (seconds > 0 && nanos < 0) { - nanos += NANOS_PER_SECOND; // no overflow since nanos is negative (and we're adding) - seconds--; // no overflow since seconds is positive (and we're decrementing) - } - if (seconds < 0 && nanos > 0) { - nanos -= NANOS_PER_SECOND; // no overflow since nanos is positive (and we're subtracting) - seconds++; // no overflow since seconds is negative (and we're incrementing) - } - Duration duration = Duration.newBuilder().setSeconds(seconds).setNanos(nanos).build(); - return checkValid(duration); - } -} |