aQute.bnd.build.model.conversions

Class EnumFormatter<E extends java.lang.Enum<E>>

java.lang.Object

aQute.bnd.build.model.conversions.EnumFormatter<E>

Type Parameters:

E -

All Implemented Interfaces:

Converter<java.lang.String,E>

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

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

Field Summary

Fields

Modifier and Type	Field and Description
private E	defaultValue

Constructor Summary

Constructors

Modifier	Constructor and Description
private	EnumFormatter(E defaultValue)

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

defaultValue

private final E extends java.lang.Enum<E> defaultValue

Constructor Detail

EnumFormatter

private EnumFormatter(E defaultValue)

Method Detail

create

public static <E extends java.lang.Enum<E>> EnumFormatter<E> create(java.lang.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.

create

public static <E extends java.lang.Enum<E>> EnumFormatter<E> create(java.lang.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.

convert

public java.lang.String convert(E input)
                         throws java.lang.IllegalArgumentException

Specified by:

convert in interface Converter<java.lang.String,E extends java.lang.Enum<E>>

Throws:

java.lang.IllegalArgumentException

error

public java.lang.String error(java.lang.String msg)

Specified by:

error in interface Converter<java.lang.String,E extends java.lang.Enum<E>>