org.grails.databinding.converters
[Java] Interface FormattedValueConverter

public interface FormattedValueConverter

Classes which implement this interface may participate in the data binding process as formatted value converters.

import org.grails.databinding.converters.FormattedValueConverter

class FormattedStringValueConverter implements FormattedValueConverter {
    def convert(value, String format) {
        if('UPPERCASE' == format) {
            value = value.toUpperCase()
        } else if('LOWERCASE' == format) {
            value = value.toLowerCase()
        }
        value
    }

    Class getTargetType() {
        // specifies the type to which this converter may be applied
        String
    }
}

Authors:

Jeff Brown

See Also:

BindingFormat

SimpleDataBinder

SimpleDataBinder.registerFormattedValueConverter

Since:

2.3

convert

public java.lang.Object convert(java.lang.Object value, java.lang.String format)

Return a formatted value

Parameters:

value - The value to be formatted

format - The format String

Returns:

the formatted value

getTargetType

public java.lang.Class getTargetType()

Returns:

the output type of this converter

Groovy Documentation