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java.lang.Object com.vaadin.data.util.converter.StringToDoubleConverter
public class StringToDoubleConverter
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 getFormat(Locale)
to use a different format.
Nested Class Summary |
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Nested classes/interfaces inherited from interface com.vaadin.data.util.converter.Converter |
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Converter.ConversionException |
Constructor Summary | |
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StringToDoubleConverter()
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Method Summary | |
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Double |
convertToModel(String value,
Locale locale)
Converts the given value from target type to source type. |
String |
convertToPresentation(Double value,
Locale locale)
Converts the given value from source type to target type. |
protected NumberFormat |
getFormat(Locale locale)
Returns the format used by convertToPresentation(Double, Locale)
and convertToModel(String, Locale) . |
Class<Double> |
getModelType()
The source type of the converter. |
Class<String> |
getPresentationType()
The target type of the converter. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public StringToDoubleConverter()
Method Detail |
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protected NumberFormat getFormat(Locale locale)
convertToPresentation(Double, Locale)
and convertToModel(String, Locale)
.
locale
- The locale to use
public Double convertToModel(String value, Locale locale) throws Converter.ConversionException
Converter
A converter can optionally use locale to do the conversion.
A converter should in most cases be symmetric so chainingConverter.convertToPresentation(Object, Locale)
and
Converter.convertToModel(Object, Locale)
should return the original value.
convertToModel
in interface Converter<String,Double>
value
- The value to convert, compatible with the target type. Can be
nulllocale
- The locale to use for conversion. Can be null.
Converter.ConversionException
- If the value could not be convertedpublic String convertToPresentation(Double value, Locale locale) throws Converter.ConversionException
Converter
A converter can optionally use locale to do the conversion.
A converter should in most cases be symmetric so chainingConverter.convertToPresentation(Object, Locale)
and
Converter.convertToModel(Object, Locale)
should return the original value.
convertToPresentation
in interface Converter<String,Double>
value
- The value to convert, compatible with the target type. Can be
nulllocale
- The locale to use for conversion. Can be null.
Converter.ConversionException
- If the value could not be convertedpublic Class<Double> getModelType()
Converter
Converter.convertToPresentation(Object, Locale)
.
getModelType
in interface Converter<String,Double>
public Class<String> getPresentationType()
Converter
Converter.convertToModel(Object, Locale)
.
getPresentationType
in interface Converter<String,Double>
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