Example usage for java.util GregorianCalendar GregorianCalendar

Introduction

In this page you can find the example usage for java.util GregorianCalendar GregorianCalendar.

Prototype

public GregorianCalendar()

Source Link

Document

Constructs a default GregorianCalendar using the current time in the default time zone with the default Locale.Category#FORMAT FORMAT locale.

Usage

From source file:Main.java

/**
 *
 * @param date//from  w ww .  ja  va 2s .c  o  m
 * @return Converts a java.util.Date into an instance of
 * XMLGregorianCalendar
 */
public static XMLGregorianCalendar asXMLGregorianCalendar(java.util.Date date) {
    if (date == null) {
        return null;
    } else {
        GregorianCalendar gc = new GregorianCalendar();
        gc.setTimeInMillis(date.getTime());
        return df.newXMLGregorianCalendar(gc);
    }
}

From source file:Main.java

/**
 * Method to see if a date has already passed. the time of the day has no
 * relevance.//from w  w w .j  a v  a2s .  c  om
 * 
 * @param theDate
 *            the date to see if it has passed
 * @return true if the date has passed
 */
public static boolean dateHasPassed(Date theDate) {
    // Get a calendar with the events start time
    GregorianCalendar theCalendar = new GregorianCalendar();
    theCalendar.setTime(theDate);
    // Get a calendar with current system time to compare with
    Calendar systemCalendar = Calendar.getInstance();
    // If it should return true only if today and not before use == instead
    // of >=
    return systemCalendar.get(Calendar.YEAR) > theCalendar.get(Calendar.YEAR)
            || (systemCalendar.get(Calendar.YEAR) == theCalendar.get(Calendar.YEAR)
                    && systemCalendar.get(Calendar.DAY_OF_YEAR) > theCalendar.get(Calendar.DAY_OF_YEAR));
}

From source file:Main.java

/**
 * Method to check if a date is today. Also returns true if the date is
 * earlier than today//from  w  w w  .  ja v  a2  s . c  o m
 * 
 * @param theDate
 *            the date to see if it is today
 * @return true if theDate is today or earlier
 */
public static boolean isToday(Date theDate) {
    // Get a calendar with the events start time
    GregorianCalendar theCalendar = new GregorianCalendar();
    theCalendar.setTime(theDate);
    // Get a calendar with current system time to compare with
    Calendar systemCalendar = Calendar.getInstance();
    // If it should return true only if today and not before use == instead
    // of >=
    return systemCalendar.get(Calendar.YEAR) >= theCalendar.get(Calendar.YEAR)
            && systemCalendar.get(Calendar.DAY_OF_YEAR) >= theCalendar.get(Calendar.DAY_OF_YEAR);
}

From source file:Main.java

/**
 * Method to check if a date is this week. Note that it checks if it is this
 * week and not 7 days ahead!/*from   w w w  .ja v a2 s  .c o m*/
 * 
 * @param theDate
 *            the date to see if it is this week
 * @return true if it is this week
 */
public static boolean isThisWeek(Date theDate) {
    // Get a calendar with the events start time
    GregorianCalendar theCalendar = new GregorianCalendar();
    theCalendar.setTime(theDate);
    // Get a calendar with current system time
    Calendar tmpDate = Calendar.getInstance();

    return tmpDate.get(Calendar.YEAR) == theCalendar.get(Calendar.YEAR)
            && tmpDate.get(Calendar.WEEK_OF_YEAR) == theCalendar.get(Calendar.WEEK_OF_YEAR);
}

From source file:Main.java

public static GregorianCalendar getCalFromString(String data) {
    dateFormat = new SimpleDateFormat("dd/MM/yyyy", Locale.ITALIAN);
    try {//from w  w w.  ja  v a  2s. co  m
        Date dateTime = dateFormat.parse(data);
        GregorianCalendar gregCalendar = new GregorianCalendar();
        gregCalendar.setTime(dateTime);
        return gregCalendar;
    } catch (ParseException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static Date getDateObj(int year, int month, int day) {
    Calendar c = new GregorianCalendar();
    c.set(year, month - 1, day);/*from  ww  w .  java 2s  . com*/
    return c.getTime();
}

From source file:Main.java

/**
 * returns the string representation of the date X days ago
 * in the appropriate format for the URL
 * @param _numDaysAgo number of days before the current day
 * @return string representation of X days ago
 *//*from  w ww .  j  a  va  2 s .  c o  m*/
public static String getUrlTimeStringForXDaysAgo(int _numDaysAgo) {
    GregorianCalendar cal = new GregorianCalendar();
    cal.add(Calendar.DAY_OF_MONTH, -1 * _numDaysAgo);
    return getUrlTimeString(cal);
}

From source file:Spring.Repaso02.Principal.java

public static GregorianCalendar inicializaCal() {
    GregorianCalendar cal = new GregorianCalendar();
    Date fecha = new Date();
    cal.setTime(fecha);//  w  w w.j  a  va  2s. co m
    return cal;
}

From source file:Main.java

/**
 * Format a date in xs:dateTime format.//from   w w w .  java2s. c o m
 * 
 * @param date
 *            The date.
 * @return The xs:dateTime
 * @throws DatatypeConfigurationException
 *             For errors.
 */
public static String formatXmlDateTimeWithZone(Date date) throws DatatypeConfigurationException {
    GregorianCalendar gc = new GregorianCalendar();
    gc.setTime(date);
    DatatypeFactory datatypeFactory = DatatypeFactory.newInstance();
    XMLGregorianCalendar xmlGregorianCalendar = datatypeFactory.newXMLGregorianCalendar(gc);
    return xmlGregorianCalendar.toXMLFormat();
}

From source file:Main.java

public static XMLGregorianCalendar xmlGregorianCalendar(Date date) throws DatatypeConfigurationException {
    GregorianCalendar cal = new GregorianCalendar();
    cal.setTime(date);//from  w  ww .j  a  va 2s .c o  m
    return DatatypeFactory.newInstance().newXMLGregorianCalendar(cal);
}