Java tutorial
//package com.java2s; /* * Copyright (C) 2015 Contentful GmbH * * Licensed 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.IOException; import java.io.ObjectInputStream; import java.io.Serializable; public class Main { @SuppressWarnings("unchecked") static <T extends Serializable> T fromBlob(Class<T> clazz, byte[] blob) throws IOException, ClassNotFoundException { T result = null; ObjectInputStream ois = null; try { ByteArrayInputStream bos = new ByteArrayInputStream(blob); ois = new ObjectInputStream(bos); result = (T) ois.readObject(); } finally { if (ois != null) { try { ois.close(); } catch (IOException e) { e.printStackTrace(); } } } return result; } }