com.github.frtu.reflect

Class EnumUtil

java.lang.Object

com.github.frtu.reflect.EnumUtil

public class EnumUtil
extends java.lang.Object

Get all Enums from an Enum and also all the fields in that enum.

Static methods : one can choose to get all fields getAllValues(Enum) or only some of them getSomeValues(Enum, String...)

Instance methods : EnumUtil.of("field1", "field2").getSomeValues(Enum)

Since:

1.0.5

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ALL_ENUM_FIELD_NAME
private java.lang.String[]	fieldNames

Constructor Summary

Constructors

Modifier	Constructor and Description
private	EnumUtil(java.lang.String... fieldNames)

Method Summary

Modifier and Type	Method and Description
static java.util.Map<java.lang.String,java.lang.Object>	getAllValues(java.lang.Enum anEnum)
protected static java.util.Map<java.lang.String,java.lang.Object>	getAllValues(java.lang.Enum anEnum, java.util.function.Predicate<java.lang.reflect.Field> predicate)
static <E extends java.lang.Enum> java.util.List<E>	getEnumValues(java.lang.Class<E> enumClass)
java.util.Map<java.lang.String,java.lang.Object>	getSomeValues(java.lang.Enum anEnum)
static java.util.Map<java.lang.String,java.lang.Object>	getSomeValues(java.lang.Enum anEnum, java.lang.String... fieldNames)
java.lang.Object	getValue(java.lang.Enum anEnum)
static <T> T	getValue(java.lang.Enum anEnum, java.lang.Class<? extends java.lang.Enum> clazz, java.lang.String fieldName, java.lang.Class<T> returnType)
<T> T	getValue(java.lang.Enum anEnum, java.lang.Class<T> returnType)
static <T> T	getValue(java.lang.Enum anEnum, java.lang.reflect.Field field, java.lang.Class<T> returnType)
static java.lang.Object	getValue(java.lang.Enum anEnum, java.lang.String fieldName)
static <T> T	getValue(java.lang.Enum anEnum, java.lang.String fieldName, java.lang.Class<T> returnType)
static EnumUtil	of(java.lang.String... fieldNames)

Methods inherited from class java.lang.Object

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

Field Detail

ALL_ENUM_FIELD_NAME

public static final java.lang.String ALL_ENUM_FIELD_NAME

See Also:

Constant Field Values

fieldNames

private java.lang.String[] fieldNames

Constructor Detail

EnumUtil

private EnumUtil(java.lang.String... fieldNames)

Method Detail

of

public static EnumUtil of(java.lang.String... fieldNames)

getEnumValues

public static <E extends java.lang.Enum> java.util.List<E> getEnumValues(java.lang.Class<E> enumClass)

getSomeValues

public java.util.Map<java.lang.String,java.lang.Object> getSomeValues(java.lang.Enum anEnum)

getSomeValues

public static java.util.Map<java.lang.String,java.lang.Object> getSomeValues(java.lang.Enum anEnum,
                                                                             java.lang.String... fieldNames)

getAllValues

public static java.util.Map<java.lang.String,java.lang.Object> getAllValues(java.lang.Enum anEnum)

getAllValues

protected static java.util.Map<java.lang.String,java.lang.Object> getAllValues(java.lang.Enum anEnum,
                                                                               java.util.function.Predicate<java.lang.reflect.Field> predicate)

getValue

public java.lang.Object getValue(java.lang.Enum anEnum)

getValue

public <T> T getValue(java.lang.Enum anEnum,
                      java.lang.Class<T> returnType)

getValue

public static java.lang.Object getValue(java.lang.Enum anEnum,
                                        java.lang.String fieldName)

getValue

public static <T> T getValue(java.lang.Enum anEnum,
                             java.lang.String fieldName,
                             java.lang.Class<T> returnType)

getValue

public static <T> T getValue(java.lang.Enum anEnum,
                             java.lang.Class<? extends java.lang.Enum> clazz,
                             java.lang.String fieldName,
                             java.lang.Class<T> returnType)

getValue

public static <T> T getValue(java.lang.Enum anEnum,
                             java.lang.reflect.Field field,
                             java.lang.Class<T> returnType)