aQute.bnd.build.model.conversions
Class EnumFormatter<E extends Enum<E>>

java.lang.Object
  aQute.bnd.build.model.conversions.EnumFormatter<E>

Type Parameters:

E -

All Implemented Interfaces:

Converter<String,E>

public class EnumFormatter<E extends Enum<E>>
extends Object
implements Converter<String,E>

Formats an enum type. Outputs null when the value of the enum is equal to a default value.

Author:

Neil Bartlett

Method Summary

String	convert(E input)
static <E extends Enum<E>> EnumFormatter<E>	create(Class<E> enumType) Construct a new formatter with no default value, i.e.
static <E extends Enum<E>> EnumFormatter<E>	create(Class<E> enumType, E defaultValue) Construct a new formatter with the specified default value.
String	error(String msg)

Methods inherited from class java.lang.Object

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

Method Detail

create

public static <E extends Enum<E>> EnumFormatter<E> create(Class<E> enumType)

Construct a new formatter with no default value, i.e. any non-null value of the enum will print that value.

Parameters:

enumType - The enum type.

Returns:

create

public static <E extends Enum<E>> EnumFormatter<E> create(Class<E> enumType,
                                                          E defaultValue)

Construct a new formatter with the specified default value.

Parameters:

enumType - The enum type.

defaultValue - The default value, which will never be output.

Returns:

convert

public String convert(E input)
               throws IllegalArgumentException

Specified by:

convert in interface Converter<String,E extends Enum<E>>

Throws:

IllegalArgumentException

error

public String error(String msg)

Specified by:

error in interface Converter<String,E extends Enum<E>>