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/*
 * Copyright 2011-2024 GatlingCorp (https://gatling.io)
 *
 * 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 io.gatling.http.client.body.multipart.impl;

import io.netty.buffer.ByteBuf;

public interface PartVisitor {

  void withBytes(byte[] bytes);

  void withByte(byte b);

  class CounterPartVisitor implements PartVisitor {

    private int count = 0;

    @Override
    public void withBytes(byte[] bytes) {
      count += bytes.length;
    }

    @Override
    public void withByte(byte b) {
      count++;
    }

    public int getCount() {
      return count;
    }
  }

  class ByteBufVisitor implements PartVisitor {

    private final ByteBuf target;

    ByteBufVisitor(ByteBuf target) {
      this.target = target;
    }

    @Override
    public void withBytes(byte[] bytes) {
      target.writeBytes(bytes);
    }

    @Override
    public void withByte(byte b) {
      target.writeByte(b);
    }
  }
}