/* * The Spring Framework is published under the terms * of the Apache Software License. */ package org.springmodules.util; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.NotSerializableException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.OutputStream; /** * Utilities for testing serializability of objects. * Exposes static methods for use in other test cases. * Extends TestCase only to test itself. * * @author Rod Johnson */ public class SerializationTestUtils { public static void testSerialization(Object o) throws IOException { OutputStream baos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(baos); oos.writeObject(o); } public static boolean isSerializable(Object o) throws IOException { try { testSerialization(o); return true; } catch (NotSerializableException ex) { return false; } } public static Object serializeAndDeserialize(Object o) throws IOException, ClassNotFoundException { ByteArrayOutputStream baos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(baos); oos.writeObject(o); oos.flush(); baos.flush(); byte[] bytes = baos.toByteArray(); ByteArrayInputStream is = new ByteArrayInputStream(bytes); ObjectInputStream ois = new ObjectInputStream(is); Object o2 = ois.readObject(); return o2; } }