| /* |
| * 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 flex.messaging.io; |
| |
| import java.util.Dictionary; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| /** |
| * Proxies serialization of a Dictionary and considers all keys as String based property |
| * names. Additionally, bean properties from the instance are also included and override |
| * any Dictionary entries with the same name. |
| */ |
| public class DictionaryProxy extends BeanProxy |
| { |
| static final long serialVersionUID = 1501461889185692712L; |
| |
| public DictionaryProxy() |
| { |
| super(); |
| //dynamic = true; |
| } |
| |
| public DictionaryProxy(Dictionary defaultInstance) |
| { |
| super(defaultInstance); |
| } |
| |
| public List getPropertyNames(Object instance) |
| { |
| if (instance == null) |
| return null; |
| |
| List propertyNames = null; |
| List excludes = null; |
| |
| if (descriptor != null) |
| { |
| excludes = descriptor.getExcludesForInstance(instance); |
| if (excludes == null) |
| excludes = descriptor.getExcludes(); |
| } |
| |
| // Add all Dictionary keys as properties |
| if (instance instanceof Dictionary) |
| { |
| Dictionary dictionary = (Dictionary)instance; |
| |
| propertyNames = new ArrayList(dictionary.size()); |
| |
| Enumeration keys = dictionary.keys(); |
| while (keys.hasMoreElements()) |
| { |
| Object key = keys.nextElement(); |
| if (key != null) |
| { |
| if (excludes != null && excludes.contains(key)) |
| continue; |
| |
| propertyNames.add(key.toString()); |
| } |
| } |
| } |
| |
| // Then, check for bean properties |
| List beanProperties = super.getPropertyNames(instance); |
| if (propertyNames == null) |
| { |
| propertyNames = beanProperties; |
| } |
| else |
| { |
| propertyNames.addAll(beanProperties); |
| } |
| |
| return propertyNames; |
| } |
| |
| public Object getValue(Object instance, String propertyName) |
| { |
| if (instance == null || propertyName == null) |
| return null; |
| |
| // First, check for bean property |
| Object value = super.getValue(instance, propertyName); |
| |
| // Then check for Dictionary entry |
| if (value == null && instance instanceof Dictionary) |
| { |
| Dictionary dictionary = (Dictionary)instance; |
| value = dictionary.get(propertyName); |
| } |
| |
| return value; |
| } |
| } |