178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson/** 278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * Copyright 2006-2013 the original author or authors. 378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * 478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * Licensed under the Apache License, Version 2.0 (the "License"); 578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * you may not use this file except in compliance with the License. 678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * You may obtain a copy of the License at 778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * 878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * http://www.apache.org/licenses/LICENSE-2.0 978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * 1078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * Unless required by applicable law or agreed to in writing, software 1178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * distributed under the License is distributed on an "AS IS" BASIS, 1278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * See the License for the specific language governing permissions and 1478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * limitations under the License. 1578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson */ 1678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinsonpackage org.objenesis.instantiator; 1778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 1878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinsonimport java.io.Serializable; 1978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 2078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson/** 2178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * Helper for common serialization-compatible instantiation functions 2278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * 2378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * @author Leonardo Mesquita 2478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson */ 2578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinsonpublic class SerializationInstantiatorHelper { 2678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 2778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson /** 2878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * Returns the first non-serializable superclass of a given class. According to Java Object 2978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * Serialization Specification, objects read from a stream are initialized by calling an 3078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * accessible no-arg constructor from the first non-serializable superclass in the object's 3178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * hierarchy, allowing the state of non-serializable fields to be correctly initialized. 3278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * 3378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * @param type Serializable class for which the first non-serializable superclass is to be found 3478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * @return The first non-serializable superclass of 'type'. 3578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * @see java.io.Serializable 3678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson */ 3778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson public static Class getNonSerializableSuperClass(Class type) { 3878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson Class result = type; 3978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson while(Serializable.class.isAssignableFrom(result)) { 4078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson result = result.getSuperclass(); 4178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson if(result == null) { 4278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson throw new Error("Bad class hierarchy: No non-serializable parents"); 4378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 4478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 4578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson return result; 4678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 4778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 4878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson} 49