content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * 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.android.server.backup.utils;
  
  import java.io.DataInputStream;
  import java.io.DataOutputStream;
  import java.io.IOException;
  
  /**
   * Implements how to serialize a {@code T} to a {@link DataOutputStream} and how to deserialize a
   * {@code T} from a {@link DataInputStream}.
   *
   * @param <T> Type of object to be serialized / deserialized.
   */
  public interface DataStreamCodec<T> {
      /**
       * Serializes {@code t} to {@code dataOutputStream}.
       */
      void serialize(T t, DataOutputStream dataOutputStream) throws IOException;
  
      /**
       * Deserializes {@code t} from {@code dataInputStream}.
       */
      T deserialize(DataInputStream dataInputStream) throws IOException;
  }
  
  