| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 freemarker.ext.beans; |
| |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import freemarker.template.TemplateModel; |
| |
| /** |
| * Don't use this class; it's only public to work around Google App Engine Java |
| * compliance issues. FreeMarker developers only: treat this class as package-visible. |
| */ |
| public class _EnumModels extends ClassBasedModelFactory { |
| |
| public _EnumModels(BeansWrapper wrapper) { |
| super(wrapper); |
| } |
| |
| @Override |
| protected TemplateModel createModel(Class clazz) { |
| Object[] obj = clazz.getEnumConstants(); |
| if (obj == null) { |
| // Return null - it'll manifest itself as undefined in the template. |
| // We're doing this rather than throw an exception as this way |
| // people can use someEnumModel?default({}) to gracefully fall back |
| // to an empty hash if they want to. |
| return null; |
| } |
| Map map = new LinkedHashMap(); |
| for (int i = 0; i < obj.length; i++) { |
| Enum value = (Enum) obj[i]; |
| map.put(value.name(), value); |
| } |
| return new SimpleMapModel(map, getWrapper()); |
| } |
| } |