Java Code Examples for java.util.Calendar.getClass()

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Example 1
Project: lams   File: DateUtils.java   View Source Code Vote up 6 votes
/**
 * <p>Checks if two calendar objects represent the same local time.</p>
 *
 * <p>This method compares the values of the fields of the two objects.
 * In addition, both calendars must be the same of the same type.</p>
 * 
 * @param cal1  the first calendar, not altered, not null
 * @param cal2  the second calendar, not altered, not null
 * @return true if they represent the same millisecond instant
 * @throws IllegalArgumentException if either date is <code>null</code>
 * @since 2.1
 */
public static boolean isSameLocalTime(Calendar cal1, Calendar cal2) {
    if (cal1 == null || cal2 == null) {
        throw new IllegalArgumentException("The date must not be null");
    }
    return (cal1.get(Calendar.MILLISECOND) == cal2.get(Calendar.MILLISECOND) &&
            cal1.get(Calendar.SECOND) == cal2.get(Calendar.SECOND) &&
            cal1.get(Calendar.MINUTE) == cal2.get(Calendar.MINUTE) &&
            cal1.get(Calendar.HOUR) == cal2.get(Calendar.HOUR) &&
            cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR) &&
            cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) &&
            cal1.get(Calendar.ERA) == cal2.get(Calendar.ERA) &&
            cal1.getClass() == cal2.getClass());
}