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Diffstat (limited to 'core/java/android/pim/EventRecurrence.java')
-rw-r--r-- | core/java/android/pim/EventRecurrence.java | 892 |
1 files changed, 0 insertions, 892 deletions
diff --git a/core/java/android/pim/EventRecurrence.java b/core/java/android/pim/EventRecurrence.java deleted file mode 100644 index 128b697..0000000 --- a/core/java/android/pim/EventRecurrence.java +++ /dev/null @@ -1,892 +0,0 @@ -/* - * Copyright (C) 2006 The Android Open Source Project - * - * Licensed 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 android.pim; - -import android.text.TextUtils; -import android.text.format.Time; -import android.util.Log; -import android.util.TimeFormatException; - -import java.util.Calendar; -import java.util.HashMap; - -/** - * Event recurrence utility functions. - */ -public class EventRecurrence { - private static String TAG = "EventRecur"; - - public static final int SECONDLY = 1; - public static final int MINUTELY = 2; - public static final int HOURLY = 3; - public static final int DAILY = 4; - public static final int WEEKLY = 5; - public static final int MONTHLY = 6; - public static final int YEARLY = 7; - - public static final int SU = 0x00010000; - public static final int MO = 0x00020000; - public static final int TU = 0x00040000; - public static final int WE = 0x00080000; - public static final int TH = 0x00100000; - public static final int FR = 0x00200000; - public static final int SA = 0x00400000; - - public Time startDate; // set by setStartDate(), not parse() - - public int freq; // SECONDLY, MINUTELY, etc. - public String until; - public int count; - public int interval; - public int wkst; // SU, MO, TU, etc. - - /* lists with zero entries may be null references */ - public int[] bysecond; - public int bysecondCount; - public int[] byminute; - public int byminuteCount; - public int[] byhour; - public int byhourCount; - public int[] byday; - public int[] bydayNum; - public int bydayCount; - public int[] bymonthday; - public int bymonthdayCount; - public int[] byyearday; - public int byyeardayCount; - public int[] byweekno; - public int byweeknoCount; - public int[] bymonth; - public int bymonthCount; - public int[] bysetpos; - public int bysetposCount; - - /** maps a part string to a parser object */ - private static HashMap<String,PartParser> sParsePartMap; - static { - sParsePartMap = new HashMap<String,PartParser>(); - sParsePartMap.put("FREQ", new ParseFreq()); - sParsePartMap.put("UNTIL", new ParseUntil()); - sParsePartMap.put("COUNT", new ParseCount()); - sParsePartMap.put("INTERVAL", new ParseInterval()); - sParsePartMap.put("BYSECOND", new ParseBySecond()); - sParsePartMap.put("BYMINUTE", new ParseByMinute()); - sParsePartMap.put("BYHOUR", new ParseByHour()); - sParsePartMap.put("BYDAY", new ParseByDay()); - sParsePartMap.put("BYMONTHDAY", new ParseByMonthDay()); - sParsePartMap.put("BYYEARDAY", new ParseByYearDay()); - sParsePartMap.put("BYWEEKNO", new ParseByWeekNo()); - sParsePartMap.put("BYMONTH", new ParseByMonth()); - sParsePartMap.put("BYSETPOS", new ParseBySetPos()); - sParsePartMap.put("WKST", new ParseWkst()); - } - - /* values for bit vector that keeps track of what we have already seen */ - private static final int PARSED_FREQ = 1 << 0; - private static final int PARSED_UNTIL = 1 << 1; - private static final int PARSED_COUNT = 1 << 2; - private static final int PARSED_INTERVAL = 1 << 3; - private static final int PARSED_BYSECOND = 1 << 4; - private static final int PARSED_BYMINUTE = 1 << 5; - private static final int PARSED_BYHOUR = 1 << 6; - private static final int PARSED_BYDAY = 1 << 7; - private static final int PARSED_BYMONTHDAY = 1 << 8; - private static final int PARSED_BYYEARDAY = 1 << 9; - private static final int PARSED_BYWEEKNO = 1 << 10; - private static final int PARSED_BYMONTH = 1 << 11; - private static final int PARSED_BYSETPOS = 1 << 12; - private static final int PARSED_WKST = 1 << 13; - - /** maps a FREQ value to an integer constant */ - private static final HashMap<String,Integer> sParseFreqMap = new HashMap<String,Integer>(); - static { - sParseFreqMap.put("SECONDLY", SECONDLY); - sParseFreqMap.put("MINUTELY", MINUTELY); - sParseFreqMap.put("HOURLY", HOURLY); - sParseFreqMap.put("DAILY", DAILY); - sParseFreqMap.put("WEEKLY", WEEKLY); - sParseFreqMap.put("MONTHLY", MONTHLY); - sParseFreqMap.put("YEARLY", YEARLY); - } - - /** maps a two-character weekday string to an integer constant */ - private static final HashMap<String,Integer> sParseWeekdayMap = new HashMap<String,Integer>(); - static { - sParseWeekdayMap.put("SU", SU); - sParseWeekdayMap.put("MO", MO); - sParseWeekdayMap.put("TU", TU); - sParseWeekdayMap.put("WE", WE); - sParseWeekdayMap.put("TH", TH); - sParseWeekdayMap.put("FR", FR); - sParseWeekdayMap.put("SA", SA); - } - - /** If set, allow lower-case recurrence rule strings. Minor performance impact. */ - private static final boolean ALLOW_LOWER_CASE = false; - - /** If set, validate the value of UNTIL parts. Minor performance impact. */ - private static final boolean VALIDATE_UNTIL = false; - - /** If set, require that only one of {UNTIL,COUNT} is present. Breaks compat w/ old parser. */ - private static final boolean ONLY_ONE_UNTIL_COUNT = false; - - - /** - * Thrown when a recurrence string provided can not be parsed according - * to RFC2445. - */ - public static class InvalidFormatException extends RuntimeException { - InvalidFormatException(String s) { - super(s); - } - } - - - public void setStartDate(Time date) { - startDate = date; - } - - /** - * Converts one of the Calendar.SUNDAY constants to the SU, MO, etc. - * constants. btw, I think we should switch to those here too, to - * get rid of this function, if possible. - */ - public static int calendarDay2Day(int day) - { - switch (day) - { - case Calendar.SUNDAY: - return SU; - case Calendar.MONDAY: - return MO; - case Calendar.TUESDAY: - return TU; - case Calendar.WEDNESDAY: - return WE; - case Calendar.THURSDAY: - return TH; - case Calendar.FRIDAY: - return FR; - case Calendar.SATURDAY: - return SA; - default: - throw new RuntimeException("bad day of week: " + day); - } - } - - public static int timeDay2Day(int day) - { - switch (day) - { - case Time.SUNDAY: - return SU; - case Time.MONDAY: - return MO; - case Time.TUESDAY: - return TU; - case Time.WEDNESDAY: - return WE; - case Time.THURSDAY: - return TH; - case Time.FRIDAY: - return FR; - case Time.SATURDAY: - return SA; - default: - throw new RuntimeException("bad day of week: " + day); - } - } - public static int day2TimeDay(int day) - { - switch (day) - { - case SU: - return Time.SUNDAY; - case MO: - return Time.MONDAY; - case TU: - return Time.TUESDAY; - case WE: - return Time.WEDNESDAY; - case TH: - return Time.THURSDAY; - case FR: - return Time.FRIDAY; - case SA: - return Time.SATURDAY; - default: - throw new RuntimeException("bad day of week: " + day); - } - } - - /** - * Converts one of the SU, MO, etc. constants to the Calendar.SUNDAY - * constants. btw, I think we should switch to those here too, to - * get rid of this function, if possible. - */ - public static int day2CalendarDay(int day) - { - switch (day) - { - case SU: - return Calendar.SUNDAY; - case MO: - return Calendar.MONDAY; - case TU: - return Calendar.TUESDAY; - case WE: - return Calendar.WEDNESDAY; - case TH: - return Calendar.THURSDAY; - case FR: - return Calendar.FRIDAY; - case SA: - return Calendar.SATURDAY; - default: - throw new RuntimeException("bad day of week: " + day); - } - } - - /** - * Converts one of the internal day constants (SU, MO, etc.) to the - * two-letter string representing that constant. - * - * @param day one the internal constants SU, MO, etc. - * @return the two-letter string for the day ("SU", "MO", etc.) - * - * @throws IllegalArgumentException Thrown if the day argument is not one of - * the defined day constants. - */ - private static String day2String(int day) { - switch (day) { - case SU: - return "SU"; - case MO: - return "MO"; - case TU: - return "TU"; - case WE: - return "WE"; - case TH: - return "TH"; - case FR: - return "FR"; - case SA: - return "SA"; - default: - throw new IllegalArgumentException("bad day argument: " + day); - } - } - - private static void appendNumbers(StringBuilder s, String label, - int count, int[] values) - { - if (count > 0) { - s.append(label); - count--; - for (int i=0; i<count; i++) { - s.append(values[i]); - s.append(","); - } - s.append(values[count]); - } - } - - private void appendByDay(StringBuilder s, int i) - { - int n = this.bydayNum[i]; - if (n != 0) { - s.append(n); - } - - String str = day2String(this.byday[i]); - s.append(str); - } - - @Override - public String toString() - { - StringBuilder s = new StringBuilder(); - - s.append("FREQ="); - switch (this.freq) - { - case SECONDLY: - s.append("SECONDLY"); - break; - case MINUTELY: - s.append("MINUTELY"); - break; - case HOURLY: - s.append("HOURLY"); - break; - case DAILY: - s.append("DAILY"); - break; - case WEEKLY: - s.append("WEEKLY"); - break; - case MONTHLY: - s.append("MONTHLY"); - break; - case YEARLY: - s.append("YEARLY"); - break; - } - - if (!TextUtils.isEmpty(this.until)) { - s.append(";UNTIL="); - s.append(until); - } - - if (this.count != 0) { - s.append(";COUNT="); - s.append(this.count); - } - - if (this.interval != 0) { - s.append(";INTERVAL="); - s.append(this.interval); - } - - if (this.wkst != 0) { - s.append(";WKST="); - s.append(day2String(this.wkst)); - } - - appendNumbers(s, ";BYSECOND=", this.bysecondCount, this.bysecond); - appendNumbers(s, ";BYMINUTE=", this.byminuteCount, this.byminute); - appendNumbers(s, ";BYSECOND=", this.byhourCount, this.byhour); - - // day - int count = this.bydayCount; - if (count > 0) { - s.append(";BYDAY="); - count--; - for (int i=0; i<count; i++) { - appendByDay(s, i); - s.append(","); - } - appendByDay(s, count); - } - - appendNumbers(s, ";BYMONTHDAY=", this.bymonthdayCount, this.bymonthday); - appendNumbers(s, ";BYYEARDAY=", this.byyeardayCount, this.byyearday); - appendNumbers(s, ";BYWEEKNO=", this.byweeknoCount, this.byweekno); - appendNumbers(s, ";BYMONTH=", this.bymonthCount, this.bymonth); - appendNumbers(s, ";BYSETPOS=", this.bysetposCount, this.bysetpos); - - return s.toString(); - } - - public boolean repeatsOnEveryWeekDay() { - if (this.freq != WEEKLY) { - return false; - } - - int count = this.bydayCount; - if (count != 5) { - return false; - } - - for (int i = 0 ; i < count ; i++) { - int day = byday[i]; - if (day == SU || day == SA) { - return false; - } - } - - return true; - } - - /** - * Determines whether this rule specifies a simple monthly rule by weekday, such as - * "FREQ=MONTHLY;BYDAY=3TU" (the 3rd Tuesday of every month). - * <p> - * Negative days, e.g. "FREQ=MONTHLY;BYDAY=-1TU" (the last Tuesday of every month), - * will cause "false" to be returned. - * <p> - * Rules that fire every week, such as "FREQ=MONTHLY;BYDAY=TU" (every Tuesday of every - * month) will cause "false" to be returned. (Note these are usually expressed as - * WEEKLY rules, and hence are uncommon.) - * - * @return true if this rule is of the appropriate form - */ - public boolean repeatsMonthlyOnDayCount() { - if (this.freq != MONTHLY) { - return false; - } - - if (bydayCount != 1 || bymonthdayCount != 0) { - return false; - } - - if (bydayNum[0] <= 0) { - return false; - } - - return true; - } - - /** - * Determines whether two integer arrays contain identical elements. - * <p> - * The native implementation over-allocated the arrays (and may have stuff left over from - * a previous run), so we can't just check the arrays -- the separately-maintained count - * field also matters. We assume that a null array will have a count of zero, and that the - * array can hold as many elements as the associated count indicates. - * <p> - * TODO: replace this with Arrays.equals() when the old parser goes away. - */ - private static boolean arraysEqual(int[] array1, int count1, int[] array2, int count2) { - if (count1 != count2) { - return false; - } - - for (int i = 0; i < count1; i++) { - if (array1[i] != array2[i]) - return false; - } - - return true; - } - - @Override - public boolean equals(Object obj) { - if (this == obj) { - return true; - } - if (!(obj instanceof EventRecurrence)) { - return false; - } - - EventRecurrence er = (EventRecurrence) obj; - return (startDate == null ? - er.startDate == null : Time.compare(startDate, er.startDate) == 0) && - freq == er.freq && - (until == null ? er.until == null : until.equals(er.until)) && - count == er.count && - interval == er.interval && - wkst == er.wkst && - arraysEqual(bysecond, bysecondCount, er.bysecond, er.bysecondCount) && - arraysEqual(byminute, byminuteCount, er.byminute, er.byminuteCount) && - arraysEqual(byhour, byhourCount, er.byhour, er.byhourCount) && - arraysEqual(byday, bydayCount, er.byday, er.bydayCount) && - arraysEqual(bydayNum, bydayCount, er.bydayNum, er.bydayCount) && - arraysEqual(bymonthday, bymonthdayCount, er.bymonthday, er.bymonthdayCount) && - arraysEqual(byyearday, byyeardayCount, er.byyearday, er.byyeardayCount) && - arraysEqual(byweekno, byweeknoCount, er.byweekno, er.byweeknoCount) && - arraysEqual(bymonth, bymonthCount, er.bymonth, er.bymonthCount) && - arraysEqual(bysetpos, bysetposCount, er.bysetpos, er.bysetposCount); - } - - @Override public int hashCode() { - // We overrode equals, so we must override hashCode(). Nobody seems to need this though. - throw new UnsupportedOperationException(); - } - - /** - * Resets parser-modified fields to their initial state. Does not alter startDate. - * <p> - * The original parser always set all of the "count" fields, "wkst", and "until", - * essentially allowing the same object to be used multiple times by calling parse(). - * It's unclear whether this behavior was intentional. For now, be paranoid and - * preserve the existing behavior by resetting the fields. - * <p> - * We don't need to touch the integer arrays; they will either be ignored or - * overwritten. The "startDate" field is not set by the parser, so we ignore it here. - */ - private void resetFields() { - until = null; - freq = count = interval = bysecondCount = byminuteCount = byhourCount = - bydayCount = bymonthdayCount = byyeardayCount = byweeknoCount = bymonthCount = - bysetposCount = 0; - } - - /** - * Parses an rfc2445 recurrence rule string into its component pieces. Attempting to parse - * malformed input will result in an EventRecurrence.InvalidFormatException. - * - * @param recur The recurrence rule to parse (in un-folded form). - */ - public void parse(String recur) { - /* - * From RFC 2445 section 4.3.10: - * - * recur = "FREQ"=freq *( - * ; either UNTIL or COUNT may appear in a 'recur', - * ; but UNTIL and COUNT MUST NOT occur in the same 'recur' - * - * ( ";" "UNTIL" "=" enddate ) / - * ( ";" "COUNT" "=" 1*DIGIT ) / - * - * ; the rest of these keywords are optional, - * ; but MUST NOT occur more than once - * - * ( ";" "INTERVAL" "=" 1*DIGIT ) / - * ( ";" "BYSECOND" "=" byseclist ) / - * ( ";" "BYMINUTE" "=" byminlist ) / - * ( ";" "BYHOUR" "=" byhrlist ) / - * ( ";" "BYDAY" "=" bywdaylist ) / - * ( ";" "BYMONTHDAY" "=" bymodaylist ) / - * ( ";" "BYYEARDAY" "=" byyrdaylist ) / - * ( ";" "BYWEEKNO" "=" bywknolist ) / - * ( ";" "BYMONTH" "=" bymolist ) / - * ( ";" "BYSETPOS" "=" bysplist ) / - * ( ";" "WKST" "=" weekday ) / - * ( ";" x-name "=" text ) - * ) - * - * Examples: - * FREQ=MONTHLY;INTERVAL=2;COUNT=10;BYDAY=1SU,-1SU - * FREQ=YEARLY;INTERVAL=4;BYMONTH=11;BYDAY=TU;BYMONTHDAY=2,3,4,5,6,7,8 - * - * Strategy: - * (1) Split the string at ';' boundaries to get an array of rule "parts". - * (2) For each part, find substrings for left/right sides of '=' (name/value). - * (3) Call a <name>-specific parsing function to parse the <value> into an - * output field. - * - * By keeping track of which names we've seen in a bit vector, we can verify the - * constraints indicated above (FREQ appears first, none of them appear more than once -- - * though x-[name] would require special treatment), and we have either UNTIL or COUNT - * but not both. - * - * In general, RFC 2445 property names (e.g. "FREQ") and enumerations ("TU") must - * be handled in a case-insensitive fashion, but case may be significant for other - * properties. We don't have any case-sensitive values in RRULE, except possibly - * for the custom "X-" properties, but we ignore those anyway. Thus, we can trivially - * convert the entire string to upper case and then use simple comparisons. - * - * Differences from previous version: - * - allows lower-case property and enumeration values [optional] - * - enforces that FREQ appears first - * - enforces that only one of UNTIL and COUNT may be specified - * - allows (but ignores) X-* parts - * - improved validation on various values (e.g. UNTIL timestamps) - * - error messages are more specific - */ - - /* TODO: replace with "if (freq != 0) throw" if nothing requires this */ - resetFields(); - - int parseFlags = 0; - String[] parts; - if (ALLOW_LOWER_CASE) { - parts = recur.toUpperCase().split(";"); - } else { - parts = recur.split(";"); - } - for (String part : parts) { - int equalIndex = part.indexOf('='); - if (equalIndex <= 0) { - /* no '=' or no LHS */ - throw new InvalidFormatException("Missing LHS in " + part); - } - - String lhs = part.substring(0, equalIndex); - String rhs = part.substring(equalIndex + 1); - if (rhs.length() == 0) { - throw new InvalidFormatException("Missing RHS in " + part); - } - - /* - * In lieu of a "switch" statement that allows string arguments, we use a - * map from strings to parsing functions. - */ - PartParser parser = sParsePartMap.get(lhs); - if (parser == null) { - if (lhs.startsWith("X-")) { - //Log.d(TAG, "Ignoring custom part " + lhs); - continue; - } - throw new InvalidFormatException("Couldn't find parser for " + lhs); - } else { - int flag = parser.parsePart(rhs, this); - if ((parseFlags & flag) != 0) { - throw new InvalidFormatException("Part " + lhs + " was specified twice"); - } - if (parseFlags == 0 && flag != PARSED_FREQ) { - throw new InvalidFormatException("FREQ must be specified first"); - } - parseFlags |= flag; - } - } - - // If not specified, week starts on Monday. - if ((parseFlags & PARSED_WKST) == 0) { - wkst = MO; - } - - // FREQ is mandatory. - if ((parseFlags & PARSED_FREQ) == 0) { - throw new InvalidFormatException("Must specify a FREQ value"); - } - - // Can't have both UNTIL and COUNT. - if ((parseFlags & (PARSED_UNTIL | PARSED_COUNT)) == (PARSED_UNTIL | PARSED_COUNT)) { - if (ONLY_ONE_UNTIL_COUNT) { - throw new InvalidFormatException("Must not specify both UNTIL and COUNT: " + recur); - } else { - Log.w(TAG, "Warning: rrule has both UNTIL and COUNT: " + recur); - } - } - } - - /** - * Base class for the RRULE part parsers. - */ - abstract static class PartParser { - /** - * Parses a single part. - * - * @param value The right-hand-side of the part. - * @param er The EventRecurrence into which the result is stored. - * @return A bit value indicating which part was parsed. - */ - public abstract int parsePart(String value, EventRecurrence er); - - /** - * Parses an integer, with range-checking. - * - * @param str The string to parse. - * @param minVal Minimum allowed value. - * @param maxVal Maximum allowed value. - * @param allowZero Is 0 allowed? - * @return The parsed value. - */ - public static int parseIntRange(String str, int minVal, int maxVal, boolean allowZero) { - try { - if (str.charAt(0) == '+') { - // Integer.parseInt does not allow a leading '+', so skip it manually. - str = str.substring(1); - } - int val = Integer.parseInt(str); - if (val < minVal || val > maxVal || (val == 0 && !allowZero)) { - throw new InvalidFormatException("Integer value out of range: " + str); - } - return val; - } catch (NumberFormatException nfe) { - throw new InvalidFormatException("Invalid integer value: " + str); - } - } - - /** - * Parses a comma-separated list of integers, with range-checking. - * - * @param listStr The string to parse. - * @param minVal Minimum allowed value. - * @param maxVal Maximum allowed value. - * @param allowZero Is 0 allowed? - * @return A new array with values, sized to hold the exact number of elements. - */ - public static int[] parseNumberList(String listStr, int minVal, int maxVal, - boolean allowZero) { - int[] values; - - if (listStr.indexOf(",") < 0) { - // Common case: only one entry, skip split() overhead. - values = new int[1]; - values[0] = parseIntRange(listStr, minVal, maxVal, allowZero); - } else { - String[] valueStrs = listStr.split(","); - int len = valueStrs.length; - values = new int[len]; - for (int i = 0; i < len; i++) { - values[i] = parseIntRange(valueStrs[i], minVal, maxVal, allowZero); - } - } - return values; - } - } - - /** parses FREQ={SECONDLY,MINUTELY,...} */ - private static class ParseFreq extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - Integer freq = sParseFreqMap.get(value); - if (freq == null) { - throw new InvalidFormatException("Invalid FREQ value: " + value); - } - er.freq = freq; - return PARSED_FREQ; - } - } - /** parses UNTIL=enddate, e.g. "19970829T021400" */ - private static class ParseUntil extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - if (VALIDATE_UNTIL) { - try { - // Parse the time to validate it. The result isn't retained. - Time until = new Time(); - until.parse(value); - } catch (TimeFormatException tfe) { - throw new InvalidFormatException("Invalid UNTIL value: " + value); - } - } - er.until = value; - return PARSED_UNTIL; - } - } - /** parses COUNT=[non-negative-integer] */ - private static class ParseCount extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - er.count = parseIntRange(value, 0, Integer.MAX_VALUE, true); - return PARSED_COUNT; - } - } - /** parses INTERVAL=[non-negative-integer] */ - private static class ParseInterval extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - er.interval = parseIntRange(value, 1, Integer.MAX_VALUE, false); - return PARSED_INTERVAL; - } - } - /** parses BYSECOND=byseclist */ - private static class ParseBySecond extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] bysecond = parseNumberList(value, 0, 59, true); - er.bysecond = bysecond; - er.bysecondCount = bysecond.length; - return PARSED_BYSECOND; - } - } - /** parses BYMINUTE=byminlist */ - private static class ParseByMinute extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] byminute = parseNumberList(value, 0, 59, true); - er.byminute = byminute; - er.byminuteCount = byminute.length; - return PARSED_BYMINUTE; - } - } - /** parses BYHOUR=byhrlist */ - private static class ParseByHour extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] byhour = parseNumberList(value, 0, 23, true); - er.byhour = byhour; - er.byhourCount = byhour.length; - return PARSED_BYHOUR; - } - } - /** parses BYDAY=bywdaylist, e.g. "1SU,-1SU" */ - private static class ParseByDay extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] byday; - int[] bydayNum; - int bydayCount; - - if (value.indexOf(",") < 0) { - /* only one entry, skip split() overhead */ - bydayCount = 1; - byday = new int[1]; - bydayNum = new int[1]; - parseWday(value, byday, bydayNum, 0); - } else { - String[] wdays = value.split(","); - int len = wdays.length; - bydayCount = len; - byday = new int[len]; - bydayNum = new int[len]; - for (int i = 0; i < len; i++) { - parseWday(wdays[i], byday, bydayNum, i); - } - } - er.byday = byday; - er.bydayNum = bydayNum; - er.bydayCount = bydayCount; - return PARSED_BYDAY; - } - - /** parses [int]weekday, putting the pieces into parallel array entries */ - private static void parseWday(String str, int[] byday, int[] bydayNum, int index) { - int wdayStrStart = str.length() - 2; - String wdayStr; - - if (wdayStrStart > 0) { - /* number is included; parse it out and advance to weekday */ - String numPart = str.substring(0, wdayStrStart); - int num = parseIntRange(numPart, -53, 53, false); - bydayNum[index] = num; - wdayStr = str.substring(wdayStrStart); - } else { - /* just the weekday string */ - wdayStr = str; - } - Integer wday = sParseWeekdayMap.get(wdayStr); - if (wday == null) { - throw new InvalidFormatException("Invalid BYDAY value: " + str); - } - byday[index] = wday; - } - } - /** parses BYMONTHDAY=bymodaylist */ - private static class ParseByMonthDay extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] bymonthday = parseNumberList(value, -31, 31, false); - er.bymonthday = bymonthday; - er.bymonthdayCount = bymonthday.length; - return PARSED_BYMONTHDAY; - } - } - /** parses BYYEARDAY=byyrdaylist */ - private static class ParseByYearDay extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] byyearday = parseNumberList(value, -366, 366, false); - er.byyearday = byyearday; - er.byyeardayCount = byyearday.length; - return PARSED_BYYEARDAY; - } - } - /** parses BYWEEKNO=bywknolist */ - private static class ParseByWeekNo extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] byweekno = parseNumberList(value, -53, 53, false); - er.byweekno = byweekno; - er.byweeknoCount = byweekno.length; - return PARSED_BYWEEKNO; - } - } - /** parses BYMONTH=bymolist */ - private static class ParseByMonth extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] bymonth = parseNumberList(value, 1, 12, false); - er.bymonth = bymonth; - er.bymonthCount = bymonth.length; - return PARSED_BYMONTH; - } - } - /** parses BYSETPOS=bysplist */ - private static class ParseBySetPos extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - int[] bysetpos = parseNumberList(value, Integer.MIN_VALUE, Integer.MAX_VALUE, true); - er.bysetpos = bysetpos; - er.bysetposCount = bysetpos.length; - return PARSED_BYSETPOS; - } - } - /** parses WKST={SU,MO,...} */ - private static class ParseWkst extends PartParser { - @Override public int parsePart(String value, EventRecurrence er) { - Integer wkst = sParseWeekdayMap.get(value); - if (wkst == null) { - throw new InvalidFormatException("Invalid WKST value: " + value); - } - er.wkst = wkst; - return PARSED_WKST; - } - } -} |