Package com.vaadin.flow.data.converter
Class StringToFloatConverter
- java.lang.Object
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- com.vaadin.flow.data.converter.AbstractStringToNumberConverter<Float>
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- com.vaadin.flow.data.converter.StringToFloatConverter
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- All Implemented Interfaces:
Converter<String,Float>
,Serializable
public class StringToFloatConverter extends AbstractStringToNumberConverter<Float>
A converter that converts fromString
toFloat
and back. Uses the given locale and aNumberFormat
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:
- Serialized Form
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Constructor Summary
Constructors Constructor Description StringToFloatConverter(ErrorMessageProvider errorMessageProvider)
Creates a new converter instance with the given error message provider.StringToFloatConverter(Float emptyValue, ErrorMessageProvider errorMessageProvider)
Creates a new converter instance with the given presentation value for empty string and error message provider.StringToFloatConverter(Float emptyValue, String errorMessage)
Creates a new converter instance with the given presentation value for empty string and error message.StringToFloatConverter(String errorMessage)
Creates a new converter instance with the given error message.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Result<Float>
convertToModel(String value, ValueContext context)
Converts the given value from presentation type to model type.-
Methods inherited from class com.vaadin.flow.data.converter.AbstractStringToNumberConverter
convertToNumber, convertToPresentation, getErrorMessage, getFormat
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Constructor Detail
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StringToFloatConverter
public StringToFloatConverter(String errorMessage)
Creates a new converter instance with the given error message. Empty strings are converted tonull
.- Parameters:
errorMessage
- the error message to use if conversion fails
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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 benull
errorMessage
- the error message to use if conversion fails
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StringToFloatConverter
public StringToFloatConverter(ErrorMessageProvider errorMessageProvider)
Creates a new converter instance with the given error message provider. Empty strings are converted tonull
.- Parameters:
errorMessageProvider
- the error message provider to use if conversion fails
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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 benull
errorMessageProvider
- the error message provider to use if conversion fails
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Method Detail
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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 nullcontext
- The value context for the conversion.- Returns:
- The converted value compatible with the source type
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