| package org.apache.commons.jcs3.utils.serialization; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| |
| import org.apache.commons.jcs3.engine.behavior.IElementSerializer; |
| import org.apache.commons.jcs3.io.ObjectInputStreamClassLoaderAware; |
| |
| /** |
| * Performs default serialization and de-serialization. |
| * <p> |
| * @author Aaron Smuts |
| */ |
| public class StandardSerializer |
| implements IElementSerializer |
| { |
| /** |
| * Serializes an object using default serialization. |
| * <p> |
| * @param obj |
| * @return byte[] |
| * @throws IOException |
| */ |
| @Override |
| public <T> byte[] serialize(final T obj) |
| throws IOException |
| { |
| final ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| |
| try (ObjectOutputStream oos = new ObjectOutputStream(baos)) |
| { |
| oos.writeObject(obj); |
| } |
| |
| return baos.toByteArray(); |
| } |
| |
| /** |
| * Uses default de-serialization to turn a byte array into an object. All exceptions are |
| * converted into IOExceptions. |
| * <p> |
| * @param data data bytes |
| * @param loader class loader to use |
| * @return Object |
| * @throws IOException |
| * @throws ClassNotFoundException |
| */ |
| @Override |
| public <T> T deSerialize(final byte[] data, final ClassLoader loader) |
| throws IOException, ClassNotFoundException |
| { |
| try (ByteArrayInputStream bais = new ByteArrayInputStream(data); |
| ObjectInputStream ois = new ObjectInputStreamClassLoaderAware(bais, loader)) |
| { |
| @SuppressWarnings("unchecked") // Need to cast from Object |
| final |
| T readObject = (T) ois.readObject(); |
| return readObject; |
| } |
| } |
| } |