/*
    * Copyright (C) 2007 The Guava Authors
    *
    * 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.
   */
  
  package com.google.common.testing;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  import com.google.common.annotations.GwtCompatible;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  
  /**
   * Methods factored out so that they can be emulated differently in GWT.
   *
   * @author Chris Povirk
   */
  @GwtCompatible(emulated = true)
  final class Platform {
    /**
     * Serializes and deserializes the specified object.
     */
    @SuppressWarnings("unchecked")
    static <T> T reserialize(T object) {
      checkNotNull(object);
      ByteArrayOutputStream bytes = new ByteArrayOutputStream();
      try {
        ObjectOutputStream out = new ObjectOutputStream(bytes);
        out.writeObject(object);
        ObjectInputStream in = new ObjectInputStream(
            new ByteArrayInputStream(bytes.toByteArray()));
        return (T) in.readObject();
      } catch (IOException e) {
        throw new RuntimeException(e);
      } catch (ClassNotFoundException e) {
        throw new RuntimeException(e);
      }
    }
  
    private Platform() {}
  }