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Diffstat (limited to 'common/src/at/gv/egovernment/moa/util/DateTimeUtils.java')
-rw-r--r--common/src/at/gv/egovernment/moa/util/DateTimeUtils.java326
1 files changed, 0 insertions, 326 deletions
diff --git a/common/src/at/gv/egovernment/moa/util/DateTimeUtils.java b/common/src/at/gv/egovernment/moa/util/DateTimeUtils.java
deleted file mode 100644
index 58cc04c4c..000000000
--- a/common/src/at/gv/egovernment/moa/util/DateTimeUtils.java
+++ /dev/null
@@ -1,326 +0,0 @@
-package at.gv.egovernment.moa.util;
-
-import java.io.StringWriter;
-import java.text.ParseException;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.TimeZone;
-
-/**
- * Utility for parsing and building XML type <code>dateTime</code>,
- * according to ISO 8601.
- *
- * @author Patrick Peck
- * @version $Id$
- * @see <code>http://www.w3.org/2001/XMLSchema-datatypes"</code>
- */
-public class DateTimeUtils {
- /** Error messages. */
- private static MessageProvider msg = MessageProvider.getInstance();
-
- /**
- * Builds a <code>dateTime</code> value from a <code>Calendar</code> value.
- * @param cal the <code>Calendar</code> value
- * @return the <code>dateTime</code> value
- */
- public static String buildDateTime(Calendar cal) {
- StringWriter out = new StringWriter();
- out.write("" + cal.get(Calendar.YEAR));
- out.write("-");
- out.write(to2DigitString(cal.get(Calendar.MONTH) + 1));
- out.write("-");
- out.write(to2DigitString(cal.get(Calendar.DAY_OF_MONTH)));
- out.write("T");
- out.write(to2DigitString(cal.get(Calendar.HOUR_OF_DAY)));
- out.write(":");
- out.write(to2DigitString(cal.get(Calendar.MINUTE)));
- out.write(":");
- out.write(to2DigitString(cal.get(Calendar.SECOND)));
- int tzOffsetMilliseconds =
- cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET);
- if (tzOffsetMilliseconds != 0) {
- int tzOffsetMinutes = tzOffsetMilliseconds / (1000 * 60);
- int tzOffsetHours = tzOffsetMinutes / 60;
- tzOffsetMinutes -= tzOffsetHours * 60;
- if (tzOffsetMilliseconds > 0) {
- out.write("+");
- out.write(to2DigitString(tzOffsetHours));
- out.write(":");
- out.write(to2DigitString(tzOffsetMinutes));
- } else {
- out.write("-");
- out.write(to2DigitString(-tzOffsetHours));
- out.write(":");
- out.write(to2DigitString(-tzOffsetMinutes));
- }
- }
- return out.toString();
- }
-
- /**
- * Converts month, day, hour, minute, or second value
- * to a 2 digit String.
- * @param number the month, day, hour, minute, or second value
- * @return 2 digit String
- */
- private static String to2DigitString(int number) {
- if (number < 10)
- return "0" + number;
- else
- return "" + number;
- }
-
- /**
- * Parse a <code>String</code> containing a date and time instant, given in
- * ISO 8601 format.
- *
- * @param dateTime The <code>String</code> to parse.
- * @return The <code>Date</code> representation of the contents of
- * <code>dateTime</code>.
- * @throws ParseException Parsing the <code>dateTime</code> failed.
- */
- public static Date parseDateTime(String dateTime) throws ParseException {
- GregorianCalendar calendar;
- long time;
- int yearSign = 1, year, month, day;
- int hour, minute, second;
- double fraction = 0.0;
- int tzSign = 1, tzHour = 0, tzMinute = 0;
- int curPos = 0;
- String fractStr;
- boolean localTime = false;
- char c;
-
- // parse year sign
- ensureChars(dateTime, curPos, 1);
- c = dateTime.charAt(curPos);
- if (c == '+' || c == '-') {
- yearSign = c == '+' ? 1 : -1;
- curPos++;
- }
-
- // parse year
- year = parseInt(dateTime, curPos, 4);
- curPos += 4;
-
- // parse '-'
- ensureChar(dateTime, curPos, '-');
- curPos++;
-
- // parse month
- month = parseInt(dateTime, curPos, 2);
- ensureValue(month, 1, 12, curPos);
- curPos += 2;
-
- // parse '-'
- ensureChar(dateTime, curPos, '-');
- curPos++;
-
- // parse day
- day = parseInt(dateTime, curPos, 2);
- ensureValue(day, 1, 31, curPos);
- curPos += 2;
-
- // parse 'T'
- ensureChar(dateTime, curPos, 'T');
- curPos++;
-
- // parse hour
- hour = parseInt(dateTime, curPos, 2);
- ensureValue(hour, 0, 23, curPos);
- curPos += 2;
-
- // parse ':'
- ensureChar(dateTime, curPos, ':');
- curPos++;
-
- // parse minute
- minute = parseInt(dateTime, curPos, 2);
- ensureValue(minute, 0, 59, curPos);
- curPos += 2;
-
- // parse ':'
- ensureChar(dateTime, curPos, ':');
- curPos++;
-
- // parse second
- second = parseInt(dateTime, curPos, 2);
- ensureValue(second, 0, 59, curPos);
- curPos += 2;
-
- // parse a fraction
- if (dateTime.length() > curPos && dateTime.charAt(curPos) == '.') {
- curPos++;
- ensureDigits(dateTime, curPos, 1);
- fractStr = "0.";
- fractStr
- += dateTime.substring(curPos, curPos + countDigits(dateTime, curPos));
- fraction = Double.parseDouble(fractStr);
- curPos += countDigits(dateTime, curPos);
- }
-
- // parse a time zone
- if (dateTime.length() > curPos) {
- c = dateTime.charAt(curPos);
- if (c == 'Z') {
- curPos++;
- } else if (c == '+' || c == '-') {
- // parse time zone sign
- tzSign = c == '+' ? 1 : -1;
- curPos++;
-
- // parse time zone hour
- tzHour = parseInt(dateTime, curPos, 2);
- ensureValue(tzHour, 0, 14, curPos);
- curPos += 2;
-
- // parse ':'
- ensureChar(dateTime, curPos, ':');
- curPos++;
-
- // parse time zone minute
- tzMinute = parseInt(dateTime, curPos, 2);
- ensureValue(tzMinute, 0, 59, curPos);
- curPos += 2;
- }
- } else {
- localTime = true;
- }
-
- // if we have characters left, it's an error
- if (dateTime.length() != curPos) {
- throw new ParseException(msg.getMessage("datetime.00", null), curPos);
- }
-
- // build the Date object
- year = year * yearSign;
- try {
- calendar = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
- calendar.set(year, month - 1, day, hour, minute, second);
- calendar.set(Calendar.MILLISECOND, 0);
- time = calendar.getTime().getTime();
- time += (long) (fraction * 1000.0);
- time -= tzSign * ((tzHour * 60) + tzMinute) * 60 * 1000;
- if (localTime) {
- time -= TimeZone.getDefault().getRawOffset();
- }
- return new Date(time);
- } catch (IllegalArgumentException e) {
- throw new ParseException(msg.getMessage("datetime.00", null), curPos);
- }
-
- }
-
- /**
- * Parse an integer value.
- *
- * @param str The <code>String</code> containing the digits.
- * @param curPos The starting position.
- * @param digits The number of digist making up the integer value.
- * @return int The integer representation of the digits contained in
- * <code>str</code>.
- * @throws ParseException Parsing the integer value failed.
- */
- private static int parseInt(String str, int curPos, int digits)
- throws ParseException {
-
- ensureDigits(str, curPos, digits);
- return Integer.parseInt(str.substring(curPos, curPos + digits));
- }
-
- /**
- * Count the number of digits following <code>curPos</code>.
- *
- * @param str The <code>String</code> in which to count digits.
- * @param curPos The starting position.
- * @return int The number of digits.
- */
- private static int countDigits(String str, int curPos) {
- int i;
-
- for (i = curPos; i < str.length() && Character.isDigit(str.charAt(i)); i++);
- return i - curPos;
- }
-
- /**
- * Ensure that a value falls in a given min/max range.
- *
- * @param value The value to check.
- * @param min The minimum allowed value.
- * @param max The maximum allowed value.
- * @param curPos To indicate the parsing position in the
- * <code>ParseException</code>.
- * @throws ParseException Thrown, if <code>value &lt; min || value &gt;
- * max</code>
- */
- private static void ensureValue(int value, int min, int max, int curPos)
- throws ParseException {
-
- if (value < min || value > max) {
- throw new ParseException(msg.getMessage("datetime.00", null), curPos);
- }
- }
-
- /**
- * Ensure that the given <code>String</code> has a number of characters left.
- *
- * @param str The <code>String</code> to check for its length.
- * @param curPos The starting position.
- * @param count The minimum number of characters that <code>str</code> must
- * contain, starting at from <code>curPos</code>.
- * @throws ParseException Thrown, if
- * <code>curPos + count &gt; str.length()</code>.
- */
- private static void ensureChars(String str, int curPos, int count)
- throws ParseException {
- if (curPos + count > str.length()) {
- throw new ParseException(msg.getMessage("datetime.00", null), curPos);
- }
- }
-
- /**
- * Ensure that a given <code>String</code> contains a certain character at a
- * certain position.
- *
- * @param str The <code>String</code> in which to look up the character.
- * @param curPos The position in <code>str</code> that must contain the
- * character.
- * @param c The character value that must be contained at position
- * <code>curPos</code>.
- * @throws ParseException Thrown, if the characters do not match or
- * <code>curPos</code> is out of range.
- */
- private static void ensureChar(String str, int curPos, char c)
- throws ParseException {
-
- ensureChars(str, curPos, 1);
- if (str.charAt(curPos) != c) {
- throw new ParseException(msg.getMessage("datetime.00", null), curPos);
- }
- }
-
- /**
- * Ensure that a given <code>String</code> contains a number of digits,
- * starting at a given position.
- *
- * @param str The <code>String</code> to scan for digits.
- * @param curPos The starting postion.
- * @param count The number of digits that must be contained in
- * <code>str</code>, starting at <code>curPos</code>.
- * @throws ParseException Thrown, if <code>str</code> is not long enough, or
- * one of the characters following <code>curPos</code> in <code>str</code> is
- * not a digit.
- */
- private static void ensureDigits(String str, int curPos, int count)
- throws ParseException {
-
- ensureChars(str, curPos, count);
- for (int i = curPos; i < curPos + count; i++) {
- if (!Character.isDigit(str.charAt(i))) {
- throw new ParseException(msg.getMessage("datetime.00", null), curPos);
- }
- }
- }
-
-}
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