olg.csv.bean.annotations.processor
Class FormatterProcessor

java.lang.Object
  olg.csv.bean.annotations.processor.FormatterProcessor

public final class FormatterProcessor
extends Object

This class is responsible for processing the @Formatter annotation.

Field Summary

private static FormatterProcessor	instance Singleton instance.
private static org.slf4j.Logger	LOGGER The class logger.

Constructor Summary

private

FormatterProcessor() Private constructor to ensure the existence of singleton.

Method Summary

private <T> Formatter<T>	getCustomFormatter(Field field, Formatter formatterAnnotation, Class<T> fieldConcreteClass) Returns a formatter identified from the formatter annotation setted on a field as a custom formatter.
private <T> Formatter<Date>	getDateFormatter(Field field, Formatter formatterAnnotation, Class<T> fieldConcreteClass) Returns a date formatter identified from the formatter annotation setted on a field.
<T> Formatter<T>	getFormatter(Field field, Class<T> fieldConcreteClass) Return the formatter to use on a field.
static FormatterProcessor	getInstance() The singleton instance.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

The class logger.

instance

private static FormatterProcessor instance

Singleton instance.

Constructor Detail

FormatterProcessor

private FormatterProcessor()

Private constructor to ensure the existence of singleton.

Method Detail

getInstance

public static FormatterProcessor getInstance()

The singleton instance.

Returns:

the singleton instance

getFormatter

public <T> Formatter<T> getFormatter(Field field,
                                     Class<T> fieldConcreteClass)
                          throws AnnotationProcessorException

Return the formatter to use on a field. If no formatter annotation is setted on the field, a default formatter is returned (use the toString method of the concrete class)

Type Parameters:

T - the type the formatter deals with.

Parameters:

field - the field to format

fieldConcreteClass - the concrete class

Returns:

the formatter

Throws:

AnnotationProcessorException - if an error occurs

getDateFormatter

private <T> Formatter<Date> getDateFormatter(Field field,
                                             Formatter formatterAnnotation,
                                             Class<T> fieldConcreteClass)
                                  throws AnnotationProcessorException

Returns a date formatter identified from the formatter annotation setted on a field.

Type Parameters:

T - the type the formatte deals with.

Parameters:

field - the field

formatterAnnotation - the annotation setted on the field.

fieldConcreteClass - the concrete class the formatter deals with.

Returns:

the Date formatter

Throws:

AnnotationProcessorException - if an error occurs

getCustomFormatter

private <T> Formatter<T> getCustomFormatter(Field field,
                                            Formatter formatterAnnotation,
                                            Class<T> fieldConcreteClass)
                                 throws AnnotationProcessorException

Returns a formatter identified from the formatter annotation setted on a field as a custom formatter.

Type Parameters:

T - the type the formatter deals with.

Parameters:

field - the field.

formatterAnnotation - the annotatin setted on the field.

fieldConcreteClass - the concrete class the formatter deals with.

Returns:

the custom formatter

Throws:

AnnotationProcessorException - if an error occurs