Package com.vaadin.flow.data.converter

Class StringToUuidConverter

java.lang.Object
com.vaadin.flow.data.converter.StringToUuidConverter
All Implemented Interfaces:
Converter<String,UUID>, Serializable
public class StringToUuidConverter extends Object implements Converter<String,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

Author:
Vaadin Ltd
See Also:

  • Constructor Details

    • StringToUuidConverter

      public StringToUuidConverter(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 Details

    • convertToModel

      public Result<UUID> convertToModel(String 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:
      convertToModel in interface Converter<String,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 String convertToPresentation(UUID 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:
      convertToPresentation in interface Converter<String,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