Class StringUtils


  • public class StringUtils
    extends Object
    String utilities and formats
    Since:
    2.0.0
    • Constructor Summary

      Constructors 
      Constructor Description
      StringUtils()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static String durationStrToMinString​(String durationStr)
      Convert a string formatted as "PnYnMnDTnHnMnS" (as defined by XML Schema Part 2: Datatypes, 3.2.6 duration) into a string formatted as "M" (ie.
      static String durationStrToTimeString​(String contentRunLength)
      Convert a string formatted as "PnYnMnDTnHnMnS" (as defined by XML Schema Part 2: Datatypes, 3.2.6 duration) into a string formatted as"H+:MM:SS"
      static String format​(Locale locale, String format, Object... args)
      Tries safely to format the string using the provided locale and format.
      static String join​(Collection<String> tokens, String delimiter)
      Join a list of token using teh given delimiter
      static String stringForBitrate​(int bitrate)
      Formats a given bitrate as bps, Kbps, or Mbps.
      static String stringForBitrate​(long bitrate)
      Formats a given bitrate as bps, Kbps, or Mbps.
      static String stringForComputerSize​(long sizeInBytes)
      Convert the size in bytes into a string typed as "x.xx bytes", "x.xx KB" or "x.xx MB" or "x.xx GB"
      static String stringForTime​(long totalSeconds)
      Convert the time in seconds into a string type as "hh:mm:ss" or "mm:ss" depending on the duration being >= 1h or not
      static String stringForTime​(long totalSeconds, boolean forceHoursDisplay)
      Convert the time in seconds into a string type as "hh:mm:ss" or "mm:ss" depending on the duration being >= 1h or not or the hour format is forced.
      static String stringForTime​(long time, TimeUnit unit)
      Convert the time in seconds into a string type as "hh:mm:ss" or "mm:ss" depending on the duration being >= 1h or not
      static String stringForTimeMs​(long timeMs, boolean forceHoursDisplay, boolean showMillis)
      Convert the time in milliseconds into a string type as "hh:mm:ss" or "mm:ss" depending on the duration being >= 1h or not or the hour format is forced.
    • Constructor Detail

      • StringUtils

        public StringUtils()
    • Method Detail

      • stringForTime

        public static String stringForTime​(long time,
                                           TimeUnit unit)
        Convert the time in seconds into a string type as "hh:mm:ss" or "mm:ss" depending on the duration being >= 1h or not
        Parameters:
        time - durations in seconds
        unit - The time unit
        Returns:
        formatted time string in the form "mm:ss: or "hh:mm:ss"
        See Also:
        stringForTime(long, boolean)
      • stringForTime

        public static String stringForTime​(long totalSeconds)
        Convert the time in seconds into a string type as "hh:mm:ss" or "mm:ss" depending on the duration being >= 1h or not
        Parameters:
        totalSeconds - durations in seconds
        Returns:
        formatted time string in the form "mm:ss: or "hh:mm:ss"
        See Also:
        stringForTime(long, boolean)
      • stringForTime

        public static String stringForTime​(long totalSeconds,
                                           boolean forceHoursDisplay)
        Convert the time in seconds into a string type as "hh:mm:ss" or "mm:ss" depending on the duration being >= 1h or not or the hour format is forced. If seconds is negative, the formatted string will be prefixed with "-".
        Parameters:
        totalSeconds - duration in seconds
        forceHoursDisplay - force "hh:mm:ss" display
        Returns:
        formatted time string in the form "mm:ss: or "hh:mm:ss"
      • stringForTimeMs

        public static String stringForTimeMs​(long timeMs,
                                             boolean forceHoursDisplay,
                                             boolean showMillis)
        Convert the time in milliseconds into a string type as "hh:mm:ss" or "mm:ss" depending on the duration being >= 1h or not or the hour format is forced. Milliseconds can also be added to the output. If seconds is negative, the formatted string will be prefixed with "-".
        Parameters:
        timeMs - duration in milliseconds
        forceHoursDisplay - force "hh:mm:ss" display
        showMillis - render milliseconds as "hh:mm:ss.MMM" display
        Returns:
        formatted time string in the form "mm:ss or "hh:mm:ss"
      • stringForComputerSize

        public static String stringForComputerSize​(long sizeInBytes)
        Convert the size in bytes into a string typed as "x.xx bytes", "x.xx KB" or "x.xx MB" or "x.xx GB"
        Parameters:
        sizeInBytes - the size in bytes
        Returns:
        foramated size
      • stringForBitrate

        public static String stringForBitrate​(int bitrate)
        Formats a given bitrate as bps, Kbps, or Mbps.
        Parameters:
        bitrate - The bitrate in bits per second
        Returns:
        The formatted string representation
      • stringForBitrate

        public static String stringForBitrate​(long bitrate)
        Formats a given bitrate as bps, Kbps, or Mbps.
        Parameters:
        bitrate - The bitrate in bits per second
        Returns:
        The formatted string representation
      • join

        public static String join​(Collection<String> tokens,
                                  String delimiter)
        Join a list of token using teh given delimiter
        Parameters:
        tokens - the list of tokens
        delimiter - the delimiter
        Returns:
        joined string
      • durationStrToTimeString

        public static String durationStrToTimeString​(String contentRunLength)
                                              throws Exception
        Convert a string formatted as "PnYnMnDTnHnMnS" (as defined by XML Schema Part 2: Datatypes, 3.2.6 duration) into a string formatted as"H+:MM:SS"
        Parameters:
        contentRunLength - the duration string
        Returns:
        time string formatted as"H+:MM:SS"
        Throws:
        Exception - in case of an error during conversion
      • durationStrToMinString

        public static String durationStrToMinString​(String durationStr)
                                             throws Exception
        Convert a string formatted as "PnYnMnDTnHnMnS" (as defined by XML Schema Part 2: Datatypes, 3.2.6 duration) into a string formatted as "M" (ie. only minutes)
        Parameters:
        durationStr - duration string
        Returns:
        formatted string
        Throws:
        Exception - in case of an error during conversion
      • format

        @Nullable
        public static String format​(Locale locale,
                                    String format,
                                    Object... args)
        Tries safely to format the string using the provided locale and format. When exception occurs then the default locale is used instead and in case of error the null is returned finally.
        Parameters:
        locale - The locale to be used in the first place
        format - The format
        args - The arguments to format
        Returns:
        Formatted String or null if error occurs