| /* |
| * 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.List; |
| import java.util.Map; |
| |
| import freemarker.core.CollectionAndSequence; |
| import freemarker.ext.util.ModelFactory; |
| import freemarker.ext.util.WrapperTemplateModel; |
| import freemarker.template.AdapterTemplateModel; |
| import freemarker.template.MapKeyValuePairIterator; |
| import freemarker.template.ObjectWrapper; |
| import freemarker.template.SimpleSequence; |
| import freemarker.template.TemplateCollectionModel; |
| import freemarker.template.TemplateHashModelEx2; |
| import freemarker.template.TemplateMethodModelEx; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template.TemplateModelWithAPISupport; |
| import freemarker.template.WrappingTemplateModel; |
| import freemarker.template.utility.RichObjectWrapper; |
| |
| /** |
| * Model used by {@link BeansWrapper} when <tt>simpleMapWrapper</tt> |
| * mode is enabled. Provides a simple hash model interface to the |
| * underlying map (does not copy like {@link freemarker.template.SimpleHash}), |
| * and a method interface to non-string keys. |
| */ |
| public class SimpleMapModel extends WrappingTemplateModel |
| implements TemplateHashModelEx2, TemplateMethodModelEx, AdapterTemplateModel, |
| WrapperTemplateModel, TemplateModelWithAPISupport { |
| static final ModelFactory FACTORY = |
| new ModelFactory() |
| { |
| public TemplateModel create(Object object, ObjectWrapper wrapper) { |
| return new SimpleMapModel((Map) object, (BeansWrapper) wrapper); |
| } |
| }; |
| |
| private final Map map; |
| |
| public SimpleMapModel(Map map, BeansWrapper wrapper) { |
| super(wrapper); |
| this.map = map; |
| } |
| |
| public TemplateModel get(String key) throws TemplateModelException { |
| Object val = map.get(key); |
| if (val == null) { |
| if (key.length() == 1) { |
| // just check for Character key if this is a single-character string |
| Character charKey = Character.valueOf(key.charAt(0)); |
| val = map.get(charKey); |
| if (val == null && !(map.containsKey(key) || map.containsKey(charKey))) { |
| return null; |
| } |
| } else if (!map.containsKey(key)) { |
| return null; |
| } |
| } |
| return wrap(val); |
| } |
| |
| public Object exec(List args) throws TemplateModelException { |
| Object key = ((BeansWrapper) getObjectWrapper()).unwrap((TemplateModel) args.get(0)); |
| Object value = map.get(key); |
| if (value == null && !map.containsKey(key)) { |
| return null; |
| } |
| return wrap(value); |
| } |
| |
| public boolean isEmpty() { |
| return map.isEmpty(); |
| } |
| |
| public int size() { |
| return map.size(); |
| } |
| |
| public TemplateCollectionModel keys() { |
| return new CollectionAndSequence(new SimpleSequence(map.keySet(), getObjectWrapper())); |
| } |
| |
| public TemplateCollectionModel values() { |
| return new CollectionAndSequence(new SimpleSequence(map.values(), getObjectWrapper())); |
| } |
| |
| public KeyValuePairIterator keyValuePairIterator() { |
| return new MapKeyValuePairIterator(map, getObjectWrapper()); |
| } |
| |
| public Object getAdaptedObject(Class hint) { |
| return map; |
| } |
| |
| public Object getWrappedObject() { |
| return map; |
| } |
| |
| public TemplateModel getAPI() throws TemplateModelException { |
| return ((RichObjectWrapper) getObjectWrapper()).wrapAsAPI(map); |
| } |
| } |