in client/migrationx/migrationx-domain/migrationx-domain-dataworks/src/main/java/com/aliyun/dataworks/migrationx/domain/dataworks/utils/quartz/CronExpression.java [516:695]
protected int storeExpressionVals(int pos, String s, int type)
throws ParseException {
int incr = 0;
int i = skipWhiteSpace(pos, s);
if (i >= s.length()) {
return i;
}
char c = s.charAt(i);
if ((c >= 'A') && (c <= 'Z') && (!"L".equals(s)) && (!"LW".equals(s)) && (!s.matches("^L-[0-9]*[W]?"))) {
String sub = s.substring(i, i + 3);
int sval = -1;
int eval = -1;
if (type == MONTH) {
sval = getMonthNumber(sub) + 1;
if (sval <= 0) {
throw new ParseException("Invalid Month value: '" + sub + "'", i);
}
if (s.length() > i + 3) {
c = s.charAt(i + 3);
if (c == '-') {
i += 4;
sub = s.substring(i, i + 3);
eval = getMonthNumber(sub) + 1;
if (eval <= 0) {
throw new ParseException("Invalid Month value: '" + sub + "'", i);
}
}
}
} else if (type == DAY_OF_WEEK) {
sval = getDayOfWeekNumber(sub);
if (sval < 0) {
throw new ParseException("Invalid Day-of-Week value: '"
+ sub + "'", i);
}
if (s.length() > i + 3) {
c = s.charAt(i + 3);
if (c == '-') {
i += 4;
sub = s.substring(i, i + 3);
eval = getDayOfWeekNumber(sub);
if (eval < 0) {
throw new ParseException(
"Invalid Day-of-Week value: '" + sub
+ "'", i);
}
} else if (c == '#') {
try {
i += 4;
nthdayOfWeek = Integer.parseInt(s.substring(i));
if (nthdayOfWeek < 1 || nthdayOfWeek > 5) {
throw new Exception();
}
} catch (Exception e) {
throw new ParseException(
"A numeric value between 1 and 5 must follow the '#' option",
i);
}
} else if (c == 'L') {
lastdayOfWeek = true;
i++;
}
}
} else {
throw new ParseException(
"Illegal characters for this position: '" + sub + "'",
i);
}
if (eval != -1) {
incr = 1;
}
addToSet(sval, eval, incr, type);
return (i + 3);
}
if (c == '?') {
i++;
if ((i + 1) < s.length()
&& (s.charAt(i) != ' ' && s.charAt(i + 1) != '\t')) {
throw new ParseException("Illegal character after '?': "
+ s.charAt(i), i);
}
if (type != DAY_OF_WEEK && type != DAY_OF_MONTH) {
throw new ParseException(
"'?' can only be specified for Day-of-Month or Day-of-Week.",
i);
}
if (type == DAY_OF_WEEK && !lastdayOfMonth) {
int val = daysOfMonth.last();
if (val == NO_SPEC_INT) {
throw new ParseException(
"'?' can only be specified for Day-of-Month -OR- Day-of-Week.",
i);
}
}
addToSet(NO_SPEC_INT, -1, 0, type);
return i;
}
if (c == '*' || c == '/') {
if (c == '*' && (i + 1) >= s.length()) {
addToSet(ALL_SPEC_INT, -1, incr, type);
return i + 1;
} else if (c == '/'
&& ((i + 1) >= s.length() || s.charAt(i + 1) == ' ' || s
.charAt(i + 1) == '\t')) {
throw new ParseException("'/' must be followed by an integer.", i);
} else if (c == '*') {
i++;
}
c = s.charAt(i);
if (c == '/') { // is an increment specified?
i++;
if (i >= s.length()) {
throw new ParseException("Unexpected end of string.", i);
}
incr = getNumericValue(s, i);
i++;
if (incr > 10) {
i++;
}
checkIncrementRange(incr, type, i);
} else {
incr = 1;
}
addToSet(ALL_SPEC_INT, -1, incr, type);
return i;
} else if (c == 'L') {
i++;
if (type == DAY_OF_MONTH) {
lastdayOfMonth = true;
}
if (type == DAY_OF_WEEK) {
addToSet(7, 7, 0, type);
}
if (type == DAY_OF_MONTH && s.length() > i) {
c = s.charAt(i);
if (c == '-') {
ValueSet vs = getValue(0, s, i + 1);
lastdayOffset = vs.value;
if (lastdayOffset > 30) {
throw new ParseException("Offset from last day must be <= 30", i + 1);
}
i = vs.pos;
}
if (s.length() > i) {
c = s.charAt(i);
if (c == 'W') {
nearestWeekday = true;
i++;
}
}
}
return i;
} else if (c >= '0' && c <= '9') {
int val = Integer.parseInt(String.valueOf(c));
i++;
if (i >= s.length()) {
addToSet(val, -1, -1, type);
} else {
c = s.charAt(i);
if (c >= '0' && c <= '9') {
ValueSet vs = getValue(val, s, i);
val = vs.value;
i = vs.pos;
}
i = checkNext(i, s, val, type);
return i;
}
} else {
throw new ParseException("Unexpected character: " + c, i);
}
return i;
}