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/**
 * XXX 复制4.4.3版本的io.vertx.httpproxy.impl.BufferingWriteStream类的代码
 * 原类不是public的，外部无法访问，未做任何改动
 *
 * Copyright (c) 2011-2020 Contributors to the Eclipse Foundation
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 * which is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 */
package io.vertx.httpproxy.impl;

import io.vertx.codegen.annotations.Nullable;
import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.streams.ReadStream;
import io.vertx.core.streams.WriteStream;

public class BufferingWriteStream implements WriteStream {

  private final Buffer content;

  public BufferingWriteStream() {
    this.content = Buffer.buffer();
  }

  public Buffer content() {
    return content;
  }

  @Override
  public WriteStream exceptionHandler(Handler handler) {
    return this;
  }

  @Override
  public Future write(Buffer data) {
    content.appendBuffer(data);
    return Future.succeededFuture();
  }

  @Override
  public void write(Buffer data, Handler> handler) {
    content.appendBuffer(data);
    handler.handle(Future.succeededFuture());
  }

  @Override
  public void end(Handler> handler) {
    handler.handle(Future.succeededFuture());
  }

  @Override
  public WriteStream setWriteQueueMaxSize(int maxSize) {
    return this;
  }

  @Override
  public boolean writeQueueFull() {
    return false;
  }

  @Override
  public WriteStream drainHandler(@Nullable Handler handler) {
    return this;
  }
}