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com.vaadin.flow.data.converter.
Class StringToDoubleConverter
- java.lang.Object
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- com.vaadin.flow.data.converter.AbstractStringToNumberConverter<Double>
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- com.vaadin.flow.data.converter.StringToDoubleConverter
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All Implemented Interfaces:
public class StringToDoubleConverter extends AbstractStringToNumberConverter<Double>A converter that converts from
StringtoDoubleand back. Uses the given locale and aNumberFormatinstance 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
Constructors Constructor Description StringToDoubleConverter(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
All Methods Modifier and Type Method Description Result<Double>convertToModel(String value, ValueContext context)Converts the given value from presentation type to model type.
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Methods inherited from class com.vaadin.flow.data.converter.AbstractStringToNumberConverter
convertToNumber, convertToPresentation, getErrorMessage, getFormat
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Constructor Detail
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StringToDoubleConverter
public StringToDoubleConverter(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
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StringToDoubleConverter
public StringToDoubleConverter(Double 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 benullerrorMessage- the error message to use if conversion fails
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StringToDoubleConverter
public StringToDoubleConverter(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
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StringToDoubleConverter
public StringToDoubleConverter(Double 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 benullerrorMessageProvider- the error message provider to use if conversion fails
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Method Detail
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convertToModel
public Result<Double> convertToModel(String value, ValueContext context)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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