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.sun; 1778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 1878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinsonimport java.lang.reflect.Constructor; 1978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 2078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinsonimport org.objenesis.ObjenesisException; 2178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinsonimport org.objenesis.instantiator.ObjectInstantiator; 2278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 2378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson/** 2478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * Instantiates an object, WITHOUT calling it's constructor, using internal 2578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * sun.reflect.ReflectionFactory - a class only available on JDK's that use Sun's 1.4 (or later) 2678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * Java implementation. This is the best way to instantiate an object without any side effects 2778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * caused by the constructor - however it is not available on every platform. 2878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * 2978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * @author Joe Walnes 3078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson * @see ObjectInstantiator 3178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson */ 3278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinsonpublic class SunReflectionFactoryInstantiator implements ObjectInstantiator { 3378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 3478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson private final Constructor mungedConstructor; 3578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 3678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson public SunReflectionFactoryInstantiator(Class type) { 3778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson Constructor javaLangObjectConstructor = getJavaLangObjectConstructor(); 3878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson mungedConstructor = SunReflectionFactoryHelper.newConstructorForSerialization( 3978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson type, javaLangObjectConstructor); 4078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson mungedConstructor.setAccessible(true); 4178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 4278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 4378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson public Object newInstance() { 4478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson try { 4578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson return mungedConstructor.newInstance((Object[]) null); 4678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 4778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson catch(Exception e) { 4878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson throw new ObjenesisException(e); 4978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 5078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 5178c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson 5278c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson private static Constructor getJavaLangObjectConstructor() { 5378c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson try { 5478c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson return Object.class.getConstructor((Class[]) null); 5578c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 5678c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson catch(NoSuchMethodException e) { 5778c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson throw new ObjenesisException(e); 5878c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 5978c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson } 6078c496fe0fac4c89993109340aec80d1afa3141fIan Parkinson} 61