| /* |
| * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.beans.ExceptionListener; |
| import java.beans.XMLDecoder; |
| import java.beans.XMLEncoder; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| |
| import java.nio.charset.Charset; |
| |
| import java.lang.reflect.Field; |
| |
| abstract class AbstractTest<T> implements ExceptionListener { |
| final BeanValidator validator = new BeanValidator(); |
| |
| public final void exceptionThrown(Exception exception) { |
| throw new Error("unexpected exception", exception); |
| } |
| |
| /** |
| * Returns an object to test. |
| * This object will be encoded and decoded |
| * and the object creation will be tested. |
| * |
| * @return an object to test |
| */ |
| protected abstract T getObject(); |
| |
| /** |
| * Returns a different object to test. |
| * If this object is not {@code null} |
| * it will be encoded and decoded |
| * and the object updating will be tested. |
| * |
| * @return a different object to test |
| */ |
| protected T getAnotherObject() { |
| return null; |
| } |
| |
| /** |
| * This method should be overridden |
| * if specified encoder should be initialized. |
| * |
| * @param encoder the XML encoder to initialize |
| */ |
| protected void initialize(XMLEncoder encoder) { |
| } |
| |
| /** |
| * This method should be overridden |
| * if specified decoder should be initialized. |
| * |
| * @param decoder the XML decoder to initialize |
| */ |
| protected void initialize(XMLDecoder decoder) { |
| } |
| |
| /** |
| * This method should be overridden |
| * for test-specific comparison. |
| * |
| * @param before the object before encoding |
| * @param after the object after decoding |
| */ |
| protected void validate(T before, T after) { |
| this.validator.validate(before, after); |
| } |
| |
| /** |
| * This is entry point to start testing. |
| * |
| * @param security use {@code true} to start |
| * second pass in secure context |
| */ |
| final void test(boolean security) { |
| Bean.DEFAULT = null; |
| T object = getObject(); |
| |
| System.out.println("Test object"); |
| validate(object, testObject(object)); |
| |
| System.out.println("Test object creating"); |
| validate(object, testBean(object)); |
| |
| Bean.DEFAULT = object; |
| object = getAnotherObject(); |
| if (object != null) { |
| System.out.println("Test another object"); |
| validate(object, testObject(object)); |
| |
| System.out.println("Test object updating"); |
| validate(object, testBean(object)); |
| } |
| if (security) { |
| System.setSecurityManager(new SecurityManager()); |
| test(false); |
| } |
| } |
| |
| private T testBean(T object) { |
| Bean bean = new Bean(); |
| bean.setValue(object); |
| bean = testObject(bean); |
| return (T) bean.getValue(); |
| } |
| |
| private <Z> Z testObject(Z object) { |
| byte[] array = writeObject(object); |
| System.out.print(new String(array, Charset.forName("UTF-8"))); |
| return (Z) readObject(array); |
| } |
| |
| private byte[] writeObject(Object object) { |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| XMLEncoder encoder = new XMLEncoder(output); |
| encoder.setExceptionListener(this); |
| initialize(encoder); |
| encoder.writeObject(object); |
| encoder.close(); |
| return output.toByteArray(); |
| } |
| |
| private Object readObject(byte[] array) { |
| ByteArrayInputStream input = new ByteArrayInputStream(array); |
| XMLDecoder decoder = new XMLDecoder(input); |
| decoder.setExceptionListener(this); |
| initialize(decoder); |
| Object object = decoder.readObject(); |
| decoder.close(); |
| return object; |
| } |
| |
| static Field getField(String name) { |
| try { |
| int index = name.lastIndexOf('.'); |
| String className = name.substring(0, index); |
| String fieldName = name.substring(1 + index); |
| Field field = Class.forName(className).getDeclaredField(fieldName); |
| field.setAccessible(true); |
| return field; |
| } |
| catch (Exception exception) { |
| throw new Error(exception); |
| } |
| } |
| } |