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

The following examples show how to use java.util.Calendar#getClass() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Lang_53_DateUtils_t.java    From coming with MIT License 5 votes vote down vote up 
/**
 * <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());
}
Example 2
Source File: DateUtils.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * <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());
}
Example 3
Source File: DateUtils.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * <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_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY) &&
            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());
}
Example 4
Source File: DateUtils.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * <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(final Calendar cal1, final 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_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY) &&
            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());
}
Example 5
Source File: DateUtils.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * <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());
}
Example 6
Source File: DateUtils.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * <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());
}
Example 7
Source File: DateUtils.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * <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_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY) &&
            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());
}
Example 8
Source File: DateUtils.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * <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_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY) &&
            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());
}
Example 9
Source File: Lang_65_DateUtils_s.java    From coming with MIT License 5 votes vote down vote up 
/**
 * <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());
}
Example 10
Source File: Lang_65_DateUtils_t.java    From coming with MIT License 5 votes vote down vote up 
/**
 * <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());
}
Example 11
Source File: CalendarSerializer.java    From jvm-sandbox-repeater with Apache License 2.0 5 votes vote down vote up 
/**
 * java.util.Calendar serializes to com.caucho.hessian.io.CalendarHandle
 */
@Override
public Object writeReplace(Object obj)
{
  Calendar cal = (Calendar) obj;

  return new CalendarHandle(cal.getClass(), cal.getTimeInMillis());
}
Example 12
Source File: Lang_53_DateUtils_s.java    From coming with MIT License 5 votes vote down vote up 
/**
 * <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());
}
Example 13
Source File: Lang_21_DateUtils_s.java    From coming with MIT License 5 votes vote down vote up 
/**
 * <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());
}
Example 14
Source File: Lang_21_DateUtils_t.java    From coming with MIT License 5 votes vote down vote up 
/**
 * <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_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY) &&
            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());
}
Example 15
Source File: Nopol2017_0060_s.java    From coming with MIT License 5 votes vote down vote up 
/**
 * <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());
}
Example 16
Source File: Nopol2017_0060_t.java    From coming with MIT License 5 votes vote down vote up 
/**
 * <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());
}
Example 17
Source File: DateUtils.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * <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());
}
Example 18
Source File: CalendarSerializer.java    From sofa-hessian with Apache License 2.0 5 votes vote down vote up 
/**
 * java.util.Calendar serializes to com.caucho.hessian.io.CalendarHandle
 */
@Override
public Object writeReplace(Object obj)
{
    Calendar cal = (Calendar) obj;

    return new CalendarHandle(cal.getClass(), cal.getTimeInMillis());
}
Example 19
Source File: CalendarSerializer.java    From joyrpc with Apache License 2.0 5 votes vote down vote up 
/**
 * java.util.Calendar serializes to com.caucho.hessian.io.CalendarHandle
 */
@Override
public Object writeReplace(Object obj) {
    Calendar cal = (Calendar) obj;

    return new CalendarHandle(cal.getClass(), cal.getTimeInMillis());
}