Package com.vaadin.data.converter

Class StringToUuidConverter

  • All Implemented Interfaces:
    Converter<java.lang.String,​java.util.UUID>, java.io.Serializable
    public class StringToUuidConverter
extends java.lang.Object
implements Converter<java.lang.String,​java.util.UUID>
    A converter that converts from String to UUID and back.

    Leading and trailing white spaces are ignored when converting from a String.

    The String representation uses the canonical format of 32-characters with a hyphen to separate each of five groups of hexadecimal digits as defined in: RFC 4122: A Universally Unique IDentifier (UUID) URN Namespace http://www.ietf.org/rfc/rfc4122.txt

    Since:
    8.8
    Author:
    Vaadin Ltd
    See Also:
    Serialized Form

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      Result<java.util.UUID> convertToModel​(java.lang.String value, ValueContext context)
      Converts the given value from model type to presentation type.
      java.lang.String convertToPresentation​(java.util.UUID value, ValueContext context)
      Converts the given value from presentation type to model type.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • StringToUuidConverter

        public StringToUuidConverter​(java.lang.String errorMessage)
        Constructs a converter for String to UUID and back.
        Parameters:
        errorMessage - the error message to use if conversion fails

      • StringToUuidConverter

        public StringToUuidConverter​(ErrorMessageProvider errorMessageProvider)
        Constructs a new converter instance with the given error message provider. Empty strings are converted to null.
        Parameters:
        errorMessageProvider - the error message provider to use if conversion fails

    • Method Detail

      • convertToModel

        public Result<java.util.UUID> convertToModel​(java.lang.String value,
                                             ValueContext context)
        Description copied from interface: Converter
        Converts the given value from model type to presentation type.

        A converter can optionally use locale to do the conversion.

        Specified by:
        convertToModel in interface Converter<java.lang.String,​java.util.UUID>
        Parameters:
        value - The value to convert. Can be null
        context - The value context for the conversion.
        Returns:
        The converted value compatible with the source type

      • convertToPresentation

        public java.lang.String convertToPresentation​(java.util.UUID value,
                                              ValueContext context)
        Description copied from interface: Converter
        Converts the given value from presentation type to model type.

        A converter can optionally use locale to do the conversion.

        Specified by:
        convertToPresentation in interface Converter<java.lang.String,​java.util.UUID>
        Parameters:
        value - The value to convert. Can be null
        context - The value context for the conversion.
        Returns:
        The converted value compatible with the source type