1 /* 2 * JBoss, Home of Professional Open Source 3 * Copyright 2014, Red Hat, Inc. and/or its affiliates, and individual 4 * contributors by the @authors tag. See the copyright.txt in the 5 * distribution for a full listing of individual contributors. 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.jboss.as.quickstarts.temperatureconverter.ejb; 18 19 /** 20 * The temperature scale. 21 * 22 * @author Pete Muir 23 * 24 */ 25 public enum Scale { 26 27 CELSIUS("\u2103"), FAHRENHEIT("\u2109"); 28 29 private final String symbol; 30 31 /** 32 * Constructor for a scale, taking the symbol used to represent the temperature scale. 33 * 34 * @param symbol 35 */ 36 private Scale(String symbol) { 37 this.symbol = symbol; 38 } 39 40 public static Scale valueOfAbbreviation(String value) { 41 if (value == null) { 42 throw new IllegalArgumentException("value must not be null"); 43 } else if ("C".equals(value.toUpperCase())) { 44 return CELSIUS; 45 } else if ("F".equals(value.toUpperCase())) { 46 return FAHRENHEIT; 47 } else { 48 throw new IllegalArgumentException(value + " not recognized as a valid scale"); 49 } 50 } 51 52 public String getSymbol() { 53 return symbol; 54 } 55 56 }