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6898593: java.sql.Date.valueOf no exception if date given is not in the JDBC date escape syntax

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Reviewed-by: minqi
This commit is contained in:
Lance Andersen 2010-08-10 10:07:33 -04:00
parent 438ccadcce
commit 1716bf859b
1 changed files with 32 additions and 13 deletions
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45
jdk/src/share/classes/java/sql/Date.java
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@ -103,27 +103,46 @@ public class Date extends java.util.Date {
* JDBC date escape format (yyyy-mm-dd)
*/
public static Date valueOf(String s) {
int year;
int month;
int day;
final int YEAR_LENGTH = 4;
final int MONTH_LENGTH = 2;
final int DAY_LENGTH = 2;
final int MAX_MONTH = 12;
final int MAX_DAY = 31;
int firstDash;
int secondDash;
Date d = null;
if (s == null) throw new java.lang.IllegalArgumentException();
firstDash = s.indexOf('-');
secondDash = s.indexOf('-', firstDash+1);
if ((firstDash > 0) & (secondDash > 0) & (secondDash < s.length()-1)) {
year = Integer.parseInt(s.substring(0, firstDash)) - 1900;
month = Integer.parseInt(s.substring(firstDash+1, secondDash)) - 1;
day = Integer.parseInt(s.substring(secondDash+1));
} else {
if (s == null) {
throw new java.lang.IllegalArgumentException();
}
return new Date(year, month, day);
firstDash = s.indexOf('-');
secondDash = s.indexOf('-', firstDash + 1);
if ((firstDash > 0) && (secondDash > 0) && (secondDash < s.length() - 1)) {
String yyyy = s.substring(0, firstDash);
String mm = s.substring(firstDash + 1, secondDash);
String dd = s.substring(secondDash + 1);
if (yyyy.length() == YEAR_LENGTH && mm.length() == MONTH_LENGTH &&
dd.length() == DAY_LENGTH) {
int year = Integer.parseInt(yyyy);
int month = Integer.parseInt(mm);
int day = Integer.parseInt(dd);
if ((month >= 1 && month <= MAX_MONTH) && (day >= 1 && day <= MAX_DAY)) {
d = new Date(year - 1900, month - 1, day);
}
}
}
if (d == null) {
throw new java.lang.IllegalArgumentException();
}
return d;
}
/**
* Formats a date in the date escape format yyyy-mm-dd.
* <P>