// -----------------------------------------------------------------------
public int[] add(ReadablePartial partial, int fieldIndex, int[] values, int valueToAdd) {
// overridden as superclass algorithm can't handle
// 2004-02-29 + 48 months -> 2008-02-29 type dates
if (valueToAdd == 0) {
return values;
}
if (partial.size() > 0
&& partial.getFieldType(0).equals(DateTimeFieldType.monthOfYear())
&& fieldIndex == 0) {
// month is largest field and being added to, such as month-day
int curMonth0 = partial.getValue(0) - 1;
int newMonth = ((curMonth0 + (valueToAdd % 12) + 12) % 12) + 1;
return set(partial, 0, values, newMonth);
}
if (DateTimeUtils.isContiguous(partial)) {
long instant = 0L;
for (int i = 0, isize = partial.size(); i < isize; i++) {
instant = partial.getFieldType(i).getField(iChronology).set(instant, values[i]);
}
instant = add(instant, valueToAdd);
return iChronology.get(partial, instant);
} else {
return super.add(partial, fieldIndex, values, valueToAdd);
}
}
/**
* Gets the values of a partial from an instant.
*
* @param partial the partial instant to use
* @param instant the instant to query
* @return the values of the partial extracted from the instant
*/
public int[] get(ReadablePartial partial, long instant) {
int size = partial.size();
int[] values = new int[size];
for (int i = 0; i < size; i++) {
values[i] = partial.getFieldType(i).getField(this).get(instant);
}
return values;
}
public int getMaximumValue(ReadablePartial partial) {
if (partial.isSupported(DateTimeFieldType.monthOfYear())) {
int month = partial.get(DateTimeFieldType.monthOfYear());
if (partial.isSupported(DateTimeFieldType.year())) {
int year = partial.get(DateTimeFieldType.year());
return iChronology.getDaysInYearMonth(year, month);
}
return iChronology.getDaysInMonthMax(month);
}
return getMaximumValue();
}
public int getMaximumValue(ReadablePartial partial, int[] values) {
int size = partial.size();
for (int i = 0; i < size; i++) {
if (partial.getFieldType(i) == DateTimeFieldType.monthOfYear()) {
int month = values[i];
for (int j = 0; j < size; j++) {
if (partial.getFieldType(j) == DateTimeFieldType.year()) {
int year = values[j];
return iChronology.getDaysInYearMonth(year, month);
}
}
return iChronology.getDaysInMonthMax(month);
}
}
return getMaximumValue();
}
/**
* Validates whether the fields stored in a partial instant are valid.
*
* <p>This implementation uses {@link DateTimeField#getMinimumValue(ReadablePartial, int[])} and
* {@link DateTimeField#getMaximumValue(ReadablePartial, int[])}.
*
* @param partial the partial instant to validate
* @param values the values to validate, not null
* @throws IllegalArgumentException if the instant is invalid
*/
public void validate(ReadablePartial partial, int[] values) {
// check values in standard range, catching really stupid cases like -1
// this means that the second check will not hit trouble
int size = partial.size();
for (int i = 0; i < size; i++) {
int value = values[i];
DateTimeField field = partial.getField(i);
if (value < field.getMinimumValue()) {
throw new IllegalFieldValueException(
field.getType(), new Integer(value), new Integer(field.getMinimumValue()), null);
}
if (value > field.getMaximumValue()) {
throw new IllegalFieldValueException(
field.getType(), new Integer(value), null, new Integer(field.getMaximumValue()));
}
}
// check values in specific range, catching really odd cases like 30th Feb
for (int i = 0; i < size; i++) {
int value = values[i];
DateTimeField field = partial.getField(i);
if (value < field.getMinimumValue(partial, values)) {
throw new IllegalFieldValueException(
field.getType(),
new Integer(value),
new Integer(field.getMinimumValue(partial, values)),
null);
}
if (value > field.getMaximumValue(partial, values)) {
throw new IllegalFieldValueException(
field.getType(),
new Integer(value),
null,
new Integer(field.getMaximumValue(partial, values)));
}
}
}
/**
* Sets the partial into the instant.
*
* @param partial the partial instant to use
* @param instant the instant to update
* @return the updated instant
*/
public long set(ReadablePartial partial, long instant) {
for (int i = 0, isize = partial.size(); i < isize; i++) {
instant = partial.getFieldType(i).getField(this).set(instant, partial.getValue(i));
}
return instant;
}
