This commit is contained in:
Looly 2024-12-15 22:36:09 +08:00
parent 1ad06d3d81
commit b37382dd1c

View File

@ -257,11 +257,27 @@ public class EnumUtil {
* @since 5.8.0
*/
public static <E extends Enum<E>> E getBy(final Class<E> enumClass, final Predicate<? super E> predicate) {
return getBy(enumClass, predicate, null);
}
/**
* 通过 某字段对应值 获取 枚举获取不到时为 {@code defaultEnum}
*
* @param enumClass 枚举类
* @param predicate 条件
* @param defaultEnum 获取不到时的默认枚举值
* @param <E> 枚举类型
* @return 对应枚举 获取不到时为 {@code defaultEnum}
* @since 5.8.35
*/
public static <E extends Enum<E>> E getBy(final Class<E> enumClass,
final Predicate<? super E> predicate,
final E defaultEnum) {
if (null == enumClass || null == predicate) {
return null;
}
return Arrays.stream(enumClass.getEnumConstants())
.filter(predicate).findFirst().orElse(null);
.filter(predicate).findAny().orElse(defaultEnum);
}
/**
@ -274,14 +290,7 @@ public class EnumUtil {
* @return 对应枚举 获取不到时为 {@code null}
*/
public static <E extends Enum<E>, C> E getBy(final SerFunction<E, C> condition, final C value) {
if(null == condition){
return null;
}
final Class<E> implClass = LambdaUtil.getRealClass(condition);
return Arrays.stream(implClass.getEnumConstants())
.filter(constant -> ObjUtil.equals(condition.apply(constant), value))
.findAny()
.orElse(null);
return getBy(condition, value, null);
}
/**
@ -295,7 +304,14 @@ public class EnumUtil {
* @return 对应枚举 获取不到时为 {@code null}
*/
public static <E extends Enum<E>, C> E getBy(final SerFunction<E, C> condition, final C value, final E defaultEnum) {
return ObjUtil.defaultIfNull(getBy(condition, value), defaultEnum);
if (null == condition) {
return null;
}
final Class<E> implClass = LambdaUtil.getRealClass(condition);
return Arrays.stream(implClass.getEnumConstants())
.filter(constant -> ObjUtil.equals(condition.apply(constant), value))
.findAny()
.orElse(defaultEnum);
}
/**
@ -312,7 +328,7 @@ public class EnumUtil {
*/
public static <E extends Enum<E>, F, C> F getFieldBy(final SerFunction<E, F> field,
final Function<E, C> condition, final C value) {
if(null == field || null == condition){
if (null == field || null == condition) {
return null;
}
Class<E> implClass = LambdaUtil.getRealClass(field);
@ -337,7 +353,7 @@ public class EnumUtil {
* @since 4.0.2
*/
public static <E extends Enum<E>> LinkedHashMap<String, E> getEnumMap(final Class<E> enumClass) {
if(null == enumClass){
if (null == enumClass) {
return null;
}
final LinkedHashMap<String, E> map = new LinkedHashMap<>();
@ -356,7 +372,7 @@ public class EnumUtil {
* @return 枚举名对应指定字段值的Map
*/
public static Map<String, Object> getNameFieldMap(final Class<? extends Enum<?>> clazz, final String fieldName) {
if(null == clazz || StrUtil.isBlank(fieldName)){
if (null == clazz || StrUtil.isBlank(fieldName)) {
return null;
}
final Enum<?>[] enums = clazz.getEnumConstants();
@ -378,7 +394,7 @@ public class EnumUtil {
*/
public static <E extends Enum<E>> boolean contains(final Class<E> enumClass, final String name) {
final LinkedHashMap<String, E> enumMap = getEnumMap(enumClass);
if(CollUtil.isEmpty(enumMap)){
if (CollUtil.isEmpty(enumMap)) {
return false;
}
return enumMap.containsKey(name);