com.vaadin.data.converter

Class StringToBigIntegerConverter

java.lang.Object

com.vaadin.data.converter.AbstractStringToNumberConverter<BigInteger>

com.vaadin.data.converter.StringToBigIntegerConverter

All Implemented Interfaces:

Converter<String,BigInteger>, Serializable

public class StringToBigIntegerConverter
extends AbstractStringToNumberConverter<BigInteger>

A converter that converts from String to BigInteger 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.

Since:

8.0

Author:

Vaadin Ltd

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StringToBigIntegerConverter(BigInteger emptyValue, ErrorMessageProvider errorMessageProvider) Creates a new converter instance with the given empty string value and error message provider.
StringToBigIntegerConverter(BigInteger emptyValue, String errorMessage) Creates a new converter instance with the given empty string value and error message.
StringToBigIntegerConverter(ErrorMessageProvider errorMessageProvider) Creates a new converter instance with the given error message provider.
StringToBigIntegerConverter(String errorMessage) Creates a new converter instance with the given error message.

Method Summary

Modifier and Type	Method and Description
Result<BigInteger>	convertToModel(String value, ValueContext context) Converts the given value from model type to presentation type.
protected NumberFormat	getFormat(Locale locale) Returns the format used by Converter.convertToPresentation(Object, ValueContext) and Converter.convertToModel(Object, ValueContext).

Methods inherited from class com.vaadin.data.converter.AbstractStringToNumberConverter

convertToNumber, convertToPresentation, getErrorMessage

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.vaadin.data.Converter

chain, from, from, identity

Constructor Detail

StringToBigIntegerConverter

public StringToBigIntegerConverter(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

StringToBigIntegerConverter

public StringToBigIntegerConverter(BigInteger emptyValue,
                                   String errorMessage)

Creates a new converter instance with the given empty string value 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

StringToBigIntegerConverter

public StringToBigIntegerConverter(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

Since:

8.4

StringToBigIntegerConverter

public StringToBigIntegerConverter(BigInteger emptyValue,
                                   ErrorMessageProvider errorMessageProvider)

Creates a new converter instance with the given empty string value 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

Since:

8.4

Method Detail

getFormat

protected NumberFormat getFormat(Locale locale)

Description copied from class: AbstractStringToNumberConverter

Returns the format used by Converter.convertToPresentation(Object, ValueContext) and Converter.convertToModel(Object, ValueContext).

Overrides:

getFormat in class AbstractStringToNumberConverter<BigInteger>

Parameters:

locale - The locale to use

Returns:

A NumberFormat instance

convertToModel

public Result<BigInteger> convertToModel(String value,
                                         ValueContext context)

Description copied from interface: Converter

Converts the given value from model type to presentation 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