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.controller; 18 19 import javax.faces.component.UIComponent; 20 import javax.faces.context.FacesContext; 21 import javax.faces.convert.Converter; 22 import javax.inject.Named; 23 24 import org.jboss.as.quickstarts.temperatureconverter.ejb.Scale; 25 26 /** 27 * A JSF converter that can handle the {@link Scale} enum. 28 * 29 * @author Pete Muir 30 * 31 */ 32 @Named 33 public class ScaleConverter implements Converter { 34 35 public Scale[] getScales() { 36 return Scale.values(); 37 } 38 39 @Override 40 public Object getAsObject(FacesContext ctx, UIComponent cmp, String value) { 41 return Scale.valueOf(value); 42 } 43 44 @Override 45 public String getAsString(FacesContext ctx, UIComponent cmp, Object value) { 46 if (value instanceof Scale) { 47 return ((Scale) value).name(); 48 } else { 49 throw new IllegalStateException(); 50 } 51 } 52 53 }