org.joda.convert

Class MethodsStringConverter<T>

java.lang.Object

org.joda.convert.ReflectionStringConverter<T>

org.joda.convert.MethodsStringConverter<T>

Type Parameters:

T - the type of the converter

All Implemented Interfaces:

FromStringConverter<T>, StringConverter<T>, ToStringConverter<T>, TypedStringConverter<T>

final class MethodsStringConverter<T>
extends ReflectionStringConverter<T>

Conversion to and from a string using two methods.

The toString method must meet the following signature:
String anyName() on Class T.

The fromString method must meet the following signature:
static T anyName(String) on any class.

MethodsStringConverter is thread-safe and immutable.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Class<?>	effectiveType Effective type.
private java.lang.reflect.Method	fromString Conversion from a string.

Constructor Summary

Constructors

Constructor and Description
MethodsStringConverter(java.lang.Class<T> cls, java.lang.reflect.Method toString, java.lang.reflect.Method fromString, java.lang.Class<?> effectiveType) Creates an instance using two methods.

Method Summary

Modifier and Type	Method and Description
T	convertFromString(java.lang.Class<? extends T> cls, java.lang.String str) Converts the String to an object.
java.lang.Class<?>	getEffectiveType() Gets the effective type that the converter works on.

Methods inherited from class org.joda.convert.ReflectionStringConverter

convertToString, toString

Methods inherited from class java.lang.Object

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

Field Detail

fromString

private final java.lang.reflect.Method fromString

Conversion from a string.

effectiveType

private final java.lang.Class<?> effectiveType

Effective type.

Constructor Detail

MethodsStringConverter

MethodsStringConverter(java.lang.Class<T> cls,
                       java.lang.reflect.Method toString,
                       java.lang.reflect.Method fromString,
                       java.lang.Class<?> effectiveType)

Creates an instance using two methods.

Parameters:

cls - the class this converts for, not null

toString - the toString method, not null

fromString - the fromString method, not null

Throws:

java.lang.RuntimeException - (or subclass) if the method signatures are invalid

Method Detail

convertFromString

public T convertFromString(java.lang.Class<? extends T> cls,
                           java.lang.String str)

Converts the String to an object.

Parameters:

cls - the class to convert to, not null

str - the string to convert, not null

Returns:

the converted object, may be null but generally not

getEffectiveType

public java.lang.Class<?> getEffectiveType()

Description copied from interface: TypedStringConverter

Gets the effective type that the converter works on.

For example, if a class declares the FromString and ToString then the effective type of the converter is that class. If a subclass is queried for a converter, then the effective type is that of the superclass.

Returns:

the effective type