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com.vaadin.flow.data.converter.
Package com.vaadin.flow.data.converter
Class StringToDoubleConverter
java.lang.Object
com.vaadin.flow.data.converter.AbstractStringToNumberConverter<Double>
com.vaadin.flow.data.converter.StringToDoubleConverter
All Implemented Interfaces:
A converter that converts from String to Double 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:
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Constructor Summary
ConstructorsConstructorDescriptionStringToDoubleConverter(ErrorMessageProvider errorMessageProvider) Creates a new converter instance with the given error message provider.
StringToDoubleConverter(Double emptyValue, ErrorMessageProvider errorMessageProvider) Creates a new converter instance with the given presentation value for empty string and error message provider.
StringToDoubleConverter(Double emptyValue, String errorMessage) Creates a new converter instance with the given presentation value for empty string and error message.
StringToDoubleConverter(String errorMessage) Creates a new converter instance with the given error message.
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Method Summary
Modifier and TypeMethodDescriptionconvertToModel(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 Details
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StringToDoubleConverter
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 -
StringToDoubleConverter
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 benullerrorMessage- the error message to use if conversion fails -
StringToDoubleConverter
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 -
StringToDoubleConverter
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 benullerrorMessageProvider- the error message provider to use if conversion fails
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Method Details
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convertToModel
Description copied from interface:
ConverterConverts 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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