Package org.pentaho.di.core.util

Class DateDetector

java.lang.Object
org.pentaho.di.core.util.DateDetector
public class DateDetector extends Object

  • Method Details

    • getRegexpByDateFormat

      public static String getRegexpByDateFormat(String dateFormat)
      Parameters:
      dateFormat - - date format for get regexp
      Returns:
      regexp for given date format

    • getRegexpByDateFormat

      public static String getRegexpByDateFormat(String dateFormat, String locale)
      Parameters:
      dateFormat - - date format for get regexp by locale
      Returns:
      regexp for given date format

    • getDateFormatByRegex

      public static String getDateFormatByRegex(String regex)
      Parameters:
      regex - - regexp for parse date format from string
      NOTES: if regex could be used for US and EU locale. It returns europeans locale. For en_US locale please use getDateFormatByRegex(String regex, String locale)
      Returns:
      String string wich represented Date Format

    • getDateFormatByRegex

      public static String getDateFormatByRegex(String regex, String locale)
      Parameters:
      regex - - regexp for parse date format from string by locale
      Returns:
      String string wich represented Date Format

    • getDateFromString

      public static Date getDateFromString(String dateString) throws ParseException
      Parameters:
      dateString - date string for parse
      Returns:
      Date converted from dateString by detected format
      Throws:
      ParseException - - if we can not detect date format for string or we can not parse date string

    • getDateFromString

      public static Date getDateFromString(String dateString, String locale) throws ParseException
      Parameters:
      dateString - date string for parse
      Returns:
      Date converted from dateString by detected format
      Throws:
      ParseException - - if we can not detect date format for string or we can not parse date string

    • getDateFromStringByFormat

      public static Date getDateFromStringByFormat(String dateString, String dateFormat) throws ParseException
      Parameters:
      dateString - date string for parse
      dateFormat - format which should be applied for string
      Returns:
      Date converted from dateString by format
      Throws:
      ParseException - if we can not parse date string

    • detectDateFormat

      public static String detectDateFormat(String dateString)
      Parameters:
      dateString - - date string for detect date format
      Returns:
      String string which represented Date Format or null

    • detectDateFormat

      public static String detectDateFormat(String dateString, String locale)
      Parameters:
      dateString - - date string for detect date format
      Returns:
      String string which represented Date Format or null

    • detectDateFormatBiased

      public static String detectDateFormatBiased(String dateString, String locale, String desiredKey)
      Finds a date format that matches the date value given. Will try the desiredKey format before attempting others. The first to match is returned.
      Parameters:
      dateString - the literal value of the date (eg: "01/01/2001")
      locale - the locale in play
      desiredKey - the desired format (should be a valid key to DATE_FORMAT_TO_REGEXPS)
      Returns:
      The key to the format that matched or null if none found.

    • getDateFormatToRegExps

      public static org.apache.commons.collections.BidiMap getDateFormatToRegExps(String locale)

    • isValidDate

      public static boolean isValidDate(String dateString, String dateFormat)
      Parameters:
      dateString - - string for check
      dateFormat - - format for check
      Returns:
      true if we can parse string by format without exception

    • isValidDate

      public static boolean isValidDate(String dateString)
      Parameters:
      dateString - - string for check
      Returns:
      true if we can parse string without exception

    • isValidDateFormatToStringDate

      public static boolean isValidDateFormatToStringDate(String dateFormat, String dateString)
      Parameters:
      dateFormat - - format which we will try to apply for string
      dateString - - string which contains date
      Returns:
      true if we found that we know dateFormat and it applied for given string

    • isValidDateFormatToStringDate

      public static boolean isValidDateFormatToStringDate(String dateFormat, String dateString, String locale)
      Parameters:
      dateFormat - - format which we will try to apply for string
      dateString - - string which contains date
      locale - - locale for date format
      Returns:
      true if we found that we know dateFormat and it applied for given string