Package grails.databinding.converters

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
    }
}
    Since:
    3.0
    See Also:
    BindingFormat, org.grails.databinding.SimpleDataBinder, org.grails.databinding.SimpleDataBinder#registerFormattedValueConverter(FormattedValueConverter)

    • Method Detail

      • convert

        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

        java.lang.Class<?> getTargetType()
        Returns:
        the output type of this converter