Java tutorial
package com.tesora.dve.common; /* * #%L * Tesora Inc. * Database Virtualization Engine * %% * Copyright (C) 2011 - 2014 Tesora Inc. * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, version 3, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * #L% */ import org.apache.commons.lang.StringUtils; public enum SiteInstanceStatus { ONLINE("ONLINE"), OFFLINE("OFFLINE"), FAILED("FAILED"); private String value; private SiteInstanceStatus(String value) { this.value = value; } @Override public String toString() { return this.value; } public static SiteInstanceStatus fromString(String s) { for (SiteInstanceStatus sis : values()) { if (StringUtils.equalsIgnoreCase(sis.name(), s)) { return sis; } } return null; } public static boolean isValidUserOption(String option) { for (SiteInstanceStatus s : values()) { if ((s != FAILED) && StringUtils.equalsIgnoreCase(s.name(), option)) { return true; } } return false; } }