Package org.joda.convert
Class MethodConstructorStringConverter<T>
- java.lang.Object
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- org.joda.convert.ReflectionStringConverter<T>
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- org.joda.convert.MethodConstructorStringConverter<T>
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- 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.
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Field Summary
Fields Modifier and Type Field Description private java.lang.reflect.Constructor<T>
fromString
Conversion from a string.
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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.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description T
convertFromString(java.lang.Class<? extends T> cls, java.lang.String str)
Converts theString
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
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Field Detail
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fromString
private final java.lang.reflect.Constructor<T> fromString
Conversion from a string.
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Constructor Detail
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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 nulltoString
- the toString method, not nullfromString
- the fromString method, not null- Throws:
java.lang.RuntimeException
- (or subclass) if the method signatures are invalid
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Method Detail
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convertFromString
public T convertFromString(java.lang.Class<? extends T> cls, java.lang.String str)
Converts theString
to an object.- Parameters:
cls
- the class to convert to, not nullstr
- the string to convert, not null- Returns:
- the converted object, may be null but generally not
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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
andToString
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
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