Here you can find the source of valueOfEnum(Class
public static <E extends Enum<E>> E valueOfEnum(Class<E> enumClass, String value, E defaultValue)
//package com.java2s; /**/*from ww w .j av a 2s. c o m*/ * Copyright (C) 2010 Lowereast Software * * 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. */ public class Main { public static <E extends Enum<E>> E valueOfEnum(Class<E> enumClass, String value, E defaultValue) { try { if (value != null) { return Enum.valueOf(enumClass, value); } } catch (Exception e) { // log? } return defaultValue; } }