Class DateUtil

java.lang.Object
org.jboss.resteasy.reactive.common.util.DateUtil

public class DateUtil extends Object
A utility class for parsing and formatting HTTP dates as used in cookies and other headers. This class handles dates as defined by RFC 2616 section 3.3.1 as well as some other common non-standard formats.
Author:
Christopher Brown, Michael Becke
  • Field Details

    • PATTERN_RFC1123

      public static final String PATTERN_RFC1123
      Date format pattern used to parse HTTP date headers in RFC 1123 format.
      See Also:
    • PATTERN_RFC1036

      public static final String PATTERN_RFC1036
      Date format pattern used to parse HTTP date headers in RFC 1036 format.
      See Also:
    • PATTERN_ASCTIME

      public static final String PATTERN_ASCTIME
      Date format pattern used to parse HTTP date headers in ANSI C asctime() format.
      See Also:
  • Method Details

    • parseDate

      public static Date parseDate(String dateValue) throws DateUtil.DateParseException
      Parses a date value. The formats used for parsing the date value are retrieved from the default http params.
      Parameters:
      dateValue - the date value to parse
      Returns:
      the parsed date
      Throws:
      DateUtil.DateParseException - if the value could not be parsed using any of the supported date formats
    • parseDate

      public static Date parseDate(String dateValue, Collection dateFormats) throws DateUtil.DateParseException
      Parses the date value using the given date formats.
      Parameters:
      dateValue - the date value to parse
      dateFormats - the date formats to use
      Returns:
      the parsed date
      Throws:
      DateUtil.DateParseException - if none of the dataFormats could parse the dateValue
    • parseDate

      public static Date parseDate(String dateValue, Collection dateFormats, Date startDate) throws DateUtil.DateParseException
      Parses the date value using the given date formats.
      Parameters:
      dateValue - the date value to parse
      dateFormats - the date formats to use
      startDate - During parsing, two digit years will be placed in the range startDate to startDate + 100 years. This value may be null. When null is given as a parameter, year 2000 will be used.
      Returns:
      the parsed date
      Throws:
      DateUtil.DateParseException - if none of the dataFormats could parse the dateValue
    • formatDate

      public static String formatDate(Date date)
      Formats the given date according to the RFC 1123 pattern.
      Parameters:
      date - The date to format.
      Returns:
      An RFC 1123 formatted date string.
      See Also:
    • formatDate

      public static String formatDate(Date date, String pattern)
      Formats the given date according to the specified pattern. The pattern must conform to that used by the simple date format class.
      Parameters:
      date - The date to format.
      pattern - The pattern to use for formatting the date.
      Returns:
      A formatted date string.
      Throws:
      IllegalArgumentException - If the given date pattern is invalid.
      See Also: