org.codehaus.waffle.bind.converters
Class NumberValueConverter

java.lang.Object
  org.codehaus.waffle.bind.converters.AbstractValueConverter
      org.codehaus.waffle.bind.converters.NumberValueConverter

All Implemented Interfaces:

ValueConverter

public class NumberValueConverter
extends AbstractValueConverter

ValueConverter that converts a value to a Numbers using the NumberFormat instance provided (which defaults to NumberFormat.getInstance()).

The message keys and default values used are:

• "bind.error.number" (BIND_ERROR_NUMBER_KEY): bind error in number parsing (message defaults to DEFAULT_NUMBER_MESSAGE)
• "bind.error.number.missing" (BIND_ERROR_NUMBER_MISSING_KEY): number is null or empty (message defaults to DEFAULT_NUMBER_MISSING_MESSAGE)

Author:

Mauro Talevi

Field Summary

static String	BIND_ERROR_NUMBER_KEY
static String	BIND_ERROR_NUMBER_MISSING_KEY
static String	DEFAULT_NUMBER_MESSAGE
static String	DEFAULT_NUMBER_MISSING_MESSAGE

Constructor Summary

NumberValueConverter(MessageResources messageResources)

NumberValueConverter(MessageResources messageResources, Properties patterns, NumberFormat numberFormat)

Method Summary

boolean	accept(Type type) Determines if converter is compatible with the given type
Object	convertValue(String propertyName, String value, Type toType) Converts a String value to an Object of a given type

Methods inherited from class org.codehaus.waffle.bind.converters.AbstractValueConverter

acceptList, acceptMapOfLists, changePatterns, convertMissingValue, getPatterns, matches, messageFor, missingValue, newBindException, patternFor, split

Methods inherited from class java.lang.Object

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

Field Detail

BIND_ERROR_NUMBER_KEY

public static final String BIND_ERROR_NUMBER_KEY

See Also:

Constant Field Values

BIND_ERROR_NUMBER_MISSING_KEY

public static final String BIND_ERROR_NUMBER_MISSING_KEY

See Also:

Constant Field Values

DEFAULT_NUMBER_MISSING_MESSAGE

public static final String DEFAULT_NUMBER_MISSING_MESSAGE

See Also:

Constant Field Values

DEFAULT_NUMBER_MESSAGE

public static final String DEFAULT_NUMBER_MESSAGE

See Also:

Constant Field Values

Constructor Detail

NumberValueConverter

public NumberValueConverter(MessageResources messageResources)

NumberValueConverter

public NumberValueConverter(MessageResources messageResources,
                            Properties patterns,
                            NumberFormat numberFormat)

Method Detail

accept

public boolean accept(Type type)

Description copied from interface: ValueConverter

Determines if converter is compatible with the given type

Parameters:

type - the Type a value is to be bound to

Returns:

A boolean true is type is compatible

convertValue

public Object convertValue(String propertyName,
                           String value,
                           Type toType)

Description copied from interface: ValueConverter

Converts a String value to an Object of a given type

Parameters:

propertyName - the associated property name, which can be null, also needed to present customized error messages.

value - the String value

toType - the Object Type

Returns:

The converted Object