| /* |
| * 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.template; |
| |
| import freemarker.ext.beans.BeansWrapper; |
| |
| /** |
| * A restricted object wrapper that will not expose arbitrary object, just those that directly correspond to the |
| * {@link TemplateModel} sub-interfaces ({@code String}, {@code Map} and such). If it had to wrap other kind of objects, |
| * it will throw exception. It will also block {@code ?api} calls on the values it wraps. |
| */ |
| public class SimpleObjectWrapper extends DefaultObjectWrapper { |
| |
| static final SimpleObjectWrapper instance = new SimpleObjectWrapper(); |
| |
| /** |
| * @deprecated Use {@link #SimpleObjectWrapper(Version)} instead. |
| */ |
| @Deprecated |
| public SimpleObjectWrapper() { |
| super(); |
| } |
| |
| /** |
| * @param incompatibleImprovements see in {@link BeansWrapper#BeansWrapper(Version)}. |
| * |
| * @since 2.3.21 |
| */ |
| public SimpleObjectWrapper(Version incompatibleImprovements) { |
| super(incompatibleImprovements); |
| } |
| |
| /** |
| * Called if a type other than the simple ones we know about is passed in. |
| * In this implementation, this just throws an exception. |
| */ |
| @Override |
| protected TemplateModel handleUnknownType(Object obj) throws TemplateModelException { |
| throw new TemplateModelException("SimpleObjectWrapper deliberately won't wrap this type: " |
| + obj.getClass().getName()); |
| } |
| |
| @Override |
| public TemplateHashModel wrapAsAPI(Object obj) throws TemplateModelException { |
| throw new TemplateModelException("SimpleObjectWrapper deliberately doesn't allow ?api."); |
| } |
| |
| } |