cc.siyecao.uid.utils.EnumUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2017 Baidu, Inc. All Rights Reserve.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cc.siyecao.uid.utils;
import org.springframework.util.Assert;
/**
* EnumUtils provides the operations for {@link ValuedEnum} such as Parse, value of...
*
* @author yutianbao
*/
public abstract class EnumUtils {
/**
* Parse the bounded value into ValuedEnum
*
* @param clz
* @param value
* @return
*/
public static , V> T parse(Class clz, V value) {
Assert.notNull( clz, "clz can not be null" );
if (value == null) {
return null;
}
for (T t : clz.getEnumConstants()) {
if (value.equals( t.value() )) {
return t;
}
}
return null;
}
/**
* Null-safe valueOf function
*
* @param
* @param enumType
* @param name
* @return
*/
public static > T valueOf(Class enumType, String name) {
if (name == null) {
return null;
}
return Enum.valueOf( enumType, name );
}
}