Package org.joda.convert

Class MethodConstructorStringConverter<T>

java.lang.Object

org.joda.convert.ReflectionStringConverter<T>

org.joda.convert.MethodConstructorStringConverter<T>

Type Parameters:

T - the type of the converter

All Implemented Interfaces:

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

final class MethodConstructorStringConverter<T>
extends ReflectionStringConverter<T>

Conversion to and from a string using a toString method and a fromString constructor.

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

The fromString constructor must take a single String parameter.

MethodConstructorStringConverter is thread-safe and immutable.

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.reflect.Constructor<T>	fromString	Conversion from a string.

Constructor Summary

Constructors

Constructor	Description
MethodConstructorStringConverter(java.lang.Class<T> cls, java.lang.reflect.Method toString, java.lang.reflect.Constructor<T> fromString)	Creates an instance using a method and a constructor.

Method Summary

Modifier and Type	Method	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.Constructor<T> fromString

Conversion from a string.

Constructor Detail

MethodConstructorStringConverter

MethodConstructorStringConverter(java.lang.Class<T> cls,
                                 java.lang.reflect.Method toString,
                                 java.lang.reflect.Constructor<T> fromString)

Creates an instance using a method and a constructor.

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