| /* |
| * 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 org.apache.ode.utils; |
| |
| import java.io.*; |
| |
| /** |
| * Utitlity methods for <code>Serializable</code> objects. |
| */ |
| public class SerializableUtils { |
| |
| /** |
| * Clone a <code>Serializable</code> object; for use when a |
| * <code>clone()</code> method is not available. |
| * |
| * @param obj |
| * object to clone |
| * |
| * @return clone object |
| * |
| * @throws RuntimeException |
| */ |
| public static Object cloneSerializable(Object obj) { |
| Object ret = null; |
| |
| try { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(StreamUtils.DEFAULT_BUFFER_SIZE); |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| oos.writeObject(obj); |
| oos.close(); |
| |
| ByteArrayInputStream bis = new ByteArrayInputStream(baos.toByteArray()); |
| ObjectInputStream ois = new ObjectInputStream(bis); |
| |
| try { |
| ret = ois.readObject(); |
| } |
| catch (ClassNotFoundException cnfe) { |
| assert false; |
| } |
| |
| ois.close(); |
| } |
| catch (IOException ioex) { |
| throw new RuntimeException("Unable to clone object: " + obj); |
| } |
| |
| return ret; |
| } |
| |
| public static byte[] toBytes(Object obj) { |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(StreamUtils.DEFAULT_BUFFER_SIZE); |
| try { |
| ObjectOutputStream oos = new ObjectOutputStream(bos); |
| oos.writeObject(obj); |
| } |
| catch (IOException e) { |
| throw new RuntimeException("Error serializing object: " + obj.getClass() + ".", e); |
| } |
| return bos.toByteArray(); |
| } |
| |
| public static Object toObject(InputStream binaryStream, final ClassLoader cl) { |
| try { |
| ObjectInputStream ois = new ObjectInputStream(binaryStream) { |
| |
| protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException { |
| String name = desc.getName(); |
| try { |
| return Class.forName(name, false, cl); |
| } catch (ClassNotFoundException ex) { |
| return super.resolveClass(desc); |
| } |
| } |
| }; |
| return ois.readObject(); |
| } |
| catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public static Object toObject(byte[] arr, final ClassLoader cl) { |
| ByteArrayInputStream bis = new ByteArrayInputStream(arr); |
| return toObject(bis, cl); |
| } |
| |
| } |