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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/DateUtils.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/DateUtils.java | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/DateUtils.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/DateUtils.java deleted file mode 100644 index 9ce737b0..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/DateUtils.java +++ /dev/null @@ -1,301 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ -package org.apache.tools.ant.util; - -import java.text.ChoiceFormat; -import java.text.DateFormat; -import java.text.MessageFormat; -import java.text.ParseException; -import java.text.SimpleDateFormat; -import java.util.Calendar; -import java.util.Date; -import java.util.Locale; -import java.util.TimeZone; - -/** - * Helper methods to deal with date/time formatting with a specific - * defined format (<a href="http://www.w3.org/TR/NOTE-datetime">ISO8601</a>) - * or a plurialization correct elapsed time in minutes and seconds. - * - * @since Ant 1.5 - * - */ -public final class DateUtils { - - private static final int ONE_SECOND = 1000; - private static final int ONE_MINUTE = 60; - private static final int ONE_HOUR = 60; - private static final int TEN = 10; - /** - * ISO8601-like pattern for date-time. It does not support timezone. - * <tt>yyyy-MM-ddTHH:mm:ss</tt> - */ - public static final String ISO8601_DATETIME_PATTERN - = "yyyy-MM-dd'T'HH:mm:ss"; - - /** - * ISO8601-like pattern for date. <tt>yyyy-MM-dd</tt> - */ - public static final String ISO8601_DATE_PATTERN - = "yyyy-MM-dd"; - - /** - * ISO8601-like pattern for time. <tt>HH:mm:ss</tt> - */ - public static final String ISO8601_TIME_PATTERN - = "HH:mm:ss"; - - /** - * Format used for SMTP (and probably other) Date headers. - * @deprecated DateFormat is not thread safe, and we cannot guarantee that - * some other code is using the format in parallel. - * Deprecated since ant 1.8 - */ - public static final DateFormat DATE_HEADER_FORMAT - = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss ", Locale.US); - - private static final DateFormat DATE_HEADER_FORMAT_INT - = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss ", Locale.US); - - -// code from Magesh moved from DefaultLogger and slightly modified - private static final MessageFormat MINUTE_SECONDS - = new MessageFormat("{0}{1}"); - - private static final double[] LIMITS = {0, 1, 2}; - - private static final String[] MINUTES_PART = {"", "1 minute ", "{0,number,###############} minutes "}; - - private static final String[] SECONDS_PART = {"0 seconds", "1 second", "{1,number} seconds"}; - - private static final ChoiceFormat MINUTES_FORMAT = - new ChoiceFormat(LIMITS, MINUTES_PART); - - private static final ChoiceFormat SECONDS_FORMAT = - new ChoiceFormat(LIMITS, SECONDS_PART); - - static { - MINUTE_SECONDS.setFormat(0, MINUTES_FORMAT); - MINUTE_SECONDS.setFormat(1, SECONDS_FORMAT); - } - - /** private constructor */ - private DateUtils() { - } - - - /** - * Format a date/time into a specific pattern. - * @param date the date to format expressed in milliseconds. - * @param pattern the pattern to use to format the date. - * @return the formatted date. - */ - public static String format(long date, String pattern) { - return format(new Date(date), pattern); - } - - - /** - * Format a date/time into a specific pattern. - * @param date the date to format expressed in milliseconds. - * @param pattern the pattern to use to format the date. - * @return the formatted date. - */ - public static String format(Date date, String pattern) { - DateFormat df = createDateFormat(pattern); - return df.format(date); - } - - - /** - * Format an elapsed time into a plurialization correct string. - * It is limited only to report elapsed time in minutes and - * seconds and has the following behavior. - * <ul> - * <li>minutes are not displayed when 0. (ie: "45 seconds")</li> - * <li>seconds are always displayed in plural form (ie "0 seconds" or - * "10 seconds") except for 1 (ie "1 second")</li> - * </ul> - * @param millis the elapsed time to report in milliseconds. - * @return the formatted text in minutes/seconds. - */ - public static String formatElapsedTime(long millis) { - long seconds = millis / ONE_SECOND; - long minutes = seconds / ONE_MINUTE; - Object[] args = {new Long(minutes), new Long(seconds % ONE_MINUTE)}; - return MINUTE_SECONDS.format(args); - } - - /** - * return a lenient date format set to GMT time zone. - * @param pattern the pattern used for date/time formatting. - * @return the configured format for this pattern. - */ - private static DateFormat createDateFormat(String pattern) { - SimpleDateFormat sdf = new SimpleDateFormat(pattern); - TimeZone gmt = TimeZone.getTimeZone("GMT"); - sdf.setTimeZone(gmt); - sdf.setLenient(true); - return sdf; - } - - /** - * Calculate the phase of the moon for a given date. - * - * <p>Code heavily influenced by hacklib.c in <a - * href="http://www.nethack.org/">Nethack</a></p> - * - * <p>The Algorithm: - * - * <pre> - * moon period = 29.53058 days ~= 30, year = 365.2422 days - * - * days moon phase advances on first day of year compared to preceding year - * = 365.2422 - 12*29.53058 ~= 11 - * - * years in Metonic cycle (time until same phases fall on the same days of - * the month) = 18.6 ~= 19 - * - * moon phase on first day of year (epact) ~= (11*(year%19) + 18) % 30 - * (18 as initial condition for 1900) - * - * current phase in days = first day phase + days elapsed in year - * - * 6 moons ~= 177 days - * 177 ~= 8 reported phases * 22 - * + 11/22 for rounding - * </pre> - * - * @param cal the calendar. - * - * @return The phase of the moon as a number between 0 and 7 with - * 0 meaning new moon and 4 meaning full moon. - * - * @since 1.2, Ant 1.5 - */ - public static int getPhaseOfMoon(Calendar cal) { - // CheckStyle:MagicNumber OFF - int dayOfTheYear = cal.get(Calendar.DAY_OF_YEAR); - int yearInMetonicCycle = ((cal.get(Calendar.YEAR) - 1900) % 19) + 1; - int epact = (11 * yearInMetonicCycle + 18) % 30; - if ((epact == 25 && yearInMetonicCycle > 11) || epact == 24) { - epact++; - } - return (((((dayOfTheYear + epact) * 6) + 11) % 177) / 22) & 7; - // CheckStyle:MagicNumber ON - } - - /** - * Returns the current Date in a format suitable for a SMTP date - * header. - * @return the current date. - * @since Ant 1.5.2 - */ - public static String getDateForHeader() { - Calendar cal = Calendar.getInstance(); - TimeZone tz = cal.getTimeZone(); - int offset = tz.getOffset(cal.get(Calendar.ERA), - cal.get(Calendar.YEAR), - cal.get(Calendar.MONTH), - cal.get(Calendar.DAY_OF_MONTH), - cal.get(Calendar.DAY_OF_WEEK), - cal.get(Calendar.MILLISECOND)); - StringBuffer tzMarker = new StringBuffer(offset < 0 ? "-" : "+"); - offset = Math.abs(offset); - int hours = offset / (ONE_HOUR * ONE_MINUTE * ONE_SECOND); - int minutes = offset / (ONE_MINUTE * ONE_SECOND) - ONE_HOUR * hours; - if (hours < TEN) { - tzMarker.append("0"); - } - tzMarker.append(hours); - if (minutes < TEN) { - tzMarker.append("0"); - } - tzMarker.append(minutes); - synchronized (DATE_HEADER_FORMAT_INT) { - return DATE_HEADER_FORMAT_INT.format(cal.getTime()) + tzMarker.toString(); - } - } - - /** - * Parses the string in a format suitable for a SMTP date header. - * - * @param datestr string to be parsed - * - * @return a java.util.Date object as parsed by the format. - * @exception ParseException if the supplied string cannot be parsed by - * this pattern. - * @since Ant 1.8.0 - */ - public static Date parseDateFromHeader(String datestr) throws ParseException { - synchronized (DATE_HEADER_FORMAT_INT) { - return DATE_HEADER_FORMAT_INT.parse(datestr); - } - } - - /** - * Parse a string as a datetime using the ISO8601_DATETIME format which is - * <code>yyyy-MM-dd'T'HH:mm:ss</code> - * - * @param datestr string to be parsed - * - * @return a java.util.Date object as parsed by the format. - * @exception ParseException if the supplied string cannot be parsed by - * this pattern. - * @since Ant 1.6 - */ - public static Date parseIso8601DateTime(String datestr) - throws ParseException { - return new SimpleDateFormat(ISO8601_DATETIME_PATTERN).parse(datestr); - } - - /** - * Parse a string as a date using the ISO8601_DATE format which is - * <code>yyyy-MM-dd</code> - * - * @param datestr string to be parsed - * - * @return a java.util.Date object as parsed by the format. - * @exception ParseException if the supplied string cannot be parsed by - * this pattern. - * @since Ant 1.6 - */ - public static Date parseIso8601Date(String datestr) throws ParseException { - return new SimpleDateFormat(ISO8601_DATE_PATTERN).parse(datestr); - } - - /** - * Parse a string as a date using the either the ISO8601_DATETIME - * or ISO8601_DATE formats. - * - * @param datestr string to be parsed - * - * @return a java.util.Date object as parsed by the formats. - * @exception ParseException if the supplied string cannot be parsed by - * either of these patterns. - * @since Ant 1.6 - */ - public static Date parseIso8601DateTimeOrDate(String datestr) - throws ParseException { - try { - return parseIso8601DateTime(datestr); - } catch (ParseException px) { - return parseIso8601Date(datestr); - } - } -} |