play.data.format

Class Formatters

java.lang.Object

play.data.format.Formatters

@Singleton
public class Formatters
extends java.lang.Object

Formatters helper.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Formatters.AnnotationFormatter<A extends java.lang.annotation.Annotation,T> Super-type for annotation-based formatters.
static class	Formatters.SimpleFormatter<T> Super-type for custom simple formatters.

Field Summary

Fields

Modifier and Type	Field and Description
org.springframework.format.support.FormattingConversionService	conversion The underlying conversion service.

Constructor Summary

Constructors

Constructor and Description
Formatters(MessagesApi messagesApi)

Method Summary

Modifier and Type	Method and Description
<T> T	parse(java.lang.reflect.Field field, java.lang.String text) Parses this string as instance of a specific field
<T> T	parse(java.lang.String text, java.lang.Class<T> clazz) Parses this string as instance of the given class.
<T> java.lang.String	print(java.lang.reflect.Field field, T t) Computes the display string for any value, for a specific field.
<T> java.lang.String	print(T t) Computes the display string for any value.
<T> java.lang.String	print(org.springframework.core.convert.TypeDescriptor desc, T t) Computes the display string for any value, for a specific type.
<A extends java.lang.annotation.Annotation,T> Formatters	register(java.lang.Class<T> clazz, Formatters.AnnotationFormatter<A,T> formatter) Registers an annotation-based formatter.
<T> Formatters	register(java.lang.Class<T> clazz, Formatters.SimpleFormatter<T> formatter) Registers a simple formatter.

Methods inherited from class java.lang.Object

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

Field Detail

conversion

public final org.springframework.format.support.FormattingConversionService conversion

The underlying conversion service.

Constructor Detail

Formatters

@Inject
public Formatters(MessagesApi messagesApi)

Method Detail

parse

public <T> T parse(java.lang.String text,
                   java.lang.Class<T> clazz)

Parses this string as instance of the given class.

Type Parameters:

T - the type to parse out of the text

Parameters:

text - the text to parse

clazz - class representing the required type

Returns:

the parsed value

parse

public <T> T parse(java.lang.reflect.Field field,
                   java.lang.String text)

Parses this string as instance of a specific field

Type Parameters:

T - the type to parse out of the text

Parameters:

field - the related field (custom formatters are extracted from this field annotation)

text - the text to parse

Returns:

the parsed value

print

public <T> java.lang.String print(T t)

Computes the display string for any value.

Type Parameters:

T - the type to print

Parameters:

t - the value to print

Returns:

the formatted string

print

public <T> java.lang.String print(java.lang.reflect.Field field,
                                  T t)

Computes the display string for any value, for a specific field.

Type Parameters:

T - the type to print

Parameters:

field - the related field - custom formatters are extracted from this field annotation

t - the value to print

Returns:

the formatted string

print

public <T> java.lang.String print(org.springframework.core.convert.TypeDescriptor desc,
                                  T t)

Computes the display string for any value, for a specific type.

Type Parameters:

T - the type to print

Parameters:

desc - the field descriptor - custom formatters are extracted from this descriptor.

t - the value to print

Returns:

the formatted string

register

public <T> Formatters register(java.lang.Class<T> clazz,
                               Formatters.SimpleFormatter<T> formatter)

Registers a simple formatter.

Type Parameters:

T - the type that this formatter will parse and print

Parameters:

clazz - class handled by this formatter

formatter - the formatter to register

Returns:

the modified Formatters object.

register

public <A extends java.lang.annotation.Annotation,T> Formatters register(java.lang.Class<T> clazz,
                                                                         Formatters.AnnotationFormatter<A,T> formatter)

Registers an annotation-based formatter.

Type Parameters:

A - the annotation type

T - the type that will be parsed or printed

Parameters:

clazz - class handled by this formatter

formatter - the formatter to register

Returns:

the modified Formatters object.