/*
 * 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.
 */
package org.apache.servicecomb.foundation.protobuf.performance.engine;

import java.io.IOException;

import org.apache.servicecomb.foundation.protobuf.internal.model.Root;
import org.apache.servicecomb.foundation.protobuf.performance.ProtubufCodecEngine;

import io.protostuff.ByteArrayInput;
import io.protostuff.Input;
import io.protostuff.LinkedBuffer;
import io.protostuff.ProtobufOutput;
import io.protostuff.Schema;
import io.protostuff.runtime.RuntimeSchema;

public class Protostuff implements ProtubufCodecEngine {
  static Schema<Root> rootSchema = RuntimeSchema.createFrom(Root.class);

  @Override
  public byte[] serialize(Object model) throws IOException {
    LinkedBuffer linkedBuffer = LinkedBuffer.allocate();
    ProtobufOutput output = new ProtobufOutput(linkedBuffer);
    if (model != null) {
      rootSchema.writeTo(output, (Root) model);
    }
    return output.toByteArray();
  }

  @Override
  public Object deserialize(byte[] bytes) throws IOException {
    Input input = new ByteArrayInput(bytes, false);
    Root result = new Root();
    rootSchema.mergeFrom(input, result);
    return result;
  }
}
