Package com.vaadin.flow.data.converter

Class StringToFloatConverter

java.lang.Object
com.vaadin.flow.data.converter.AbstractStringToNumberConverter<Float>
com.vaadin.flow.data.converter.StringToFloatConverter
All Implemented Interfaces:
Converter<String,Float>, Serializable
public class StringToFloatConverter extends AbstractStringToNumberConverter<Float>
A converter that converts from String to Float and back. Uses the given locale and a NumberFormat instance for formatting and parsing.

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

Override and overwrite AbstractStringToNumberConverter.getFormat(Locale) to use a different format.

Since:
1.0
Author:
Vaadin Ltd
See Also:

  • Constructor Details

    • StringToFloatConverter

      public StringToFloatConverter(String errorMessage)
      Creates a new converter instance with the given error message. Empty strings are converted to null.
      Parameters:
      errorMessage - the error message to use if conversion fails

    • StringToFloatConverter

      public StringToFloatConverter(Float emptyValue, String errorMessage)
      Creates a new converter instance with the given presentation value for empty string and error message.
      Parameters:
      emptyValue - the presentation value to return when converting an empty string, may be null
      errorMessage - the error message to use if conversion fails

    • StringToFloatConverter

      public StringToFloatConverter(ErrorMessageProvider errorMessageProvider)
      Creates 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

    • StringToFloatConverter

      public StringToFloatConverter(Float emptyValue, ErrorMessageProvider errorMessageProvider)
      Creates a new converter instance with the given presentation value for empty string and error message provider.
      Parameters:
      emptyValue - the presentation value to return when converting an empty string, may be null
      errorMessageProvider - the error message provider to use if conversion fails

  • Method Details

    • convertToModel

      public Result<Float> 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.

      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