1 /* 2 * Copyright (C) 2007 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.testing; 18 19 import static com.google.common.base.Preconditions.checkNotNull; 20 21 import com.google.common.annotations.GwtCompatible; 22 23 import java.io.ByteArrayInputStream; 24 import java.io.ByteArrayOutputStream; 25 import java.io.IOException; 26 import java.io.ObjectInputStream; 27 import java.io.ObjectOutputStream; 28 29 /** 30 * Methods factored out so that they can be emulated differently in GWT. 31 * 32 * @author Chris Povirk 33 */ 34 @GwtCompatible(emulated = true) 35 final class Platform { 36 /** 37 * Serializes and deserializes the specified object. 38 */ 39 @SuppressWarnings("unchecked") reserialize(T object)40 static <T> T reserialize(T object) { 41 checkNotNull(object); 42 ByteArrayOutputStream bytes = new ByteArrayOutputStream(); 43 try { 44 ObjectOutputStream out = new ObjectOutputStream(bytes); 45 out.writeObject(object); 46 ObjectInputStream in = new ObjectInputStream( 47 new ByteArrayInputStream(bytes.toByteArray())); 48 return (T) in.readObject(); 49 } catch (IOException e) { 50 throw new RuntimeException(e); 51 } catch (ClassNotFoundException e) { 52 throw new RuntimeException(e); 53 } 54 } 55 Platform()56 private Platform() {} 57 } 58