io.vertx.core.http

## Interface HttpClientResponse

- All Superinterfaces:
    ReadStream<Buffer>, StreamBase

      public interface HttpClientResponse
      extends ReadStream<Buffer>

  Represents a client-side HTTP response.

  Vert.x provides you with one of these via the handler that was provided when creating the `HttpClientRequest` or that was set on the `HttpClientRequest` instance.

  It implements `ReadStream` so it can be used with `Pump` to pump data with flow control.

  Author:
    Tim Fox

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `HttpClientResponse` | `bodyHandler(Handler<Buffer> bodyHandler)` Convenience method for receiving the entire request body in one piece.
    `List<String>` | `cookies()`
    `HttpClientResponse` | `endHandler(Handler<Void> endHandler)` Set an end handler.
    `HttpClientResponse` | `exceptionHandler(Handler<Throwable> handler)` Set an exception handler on the read stream.
    `String` | `getHeader(CharSequence headerName)` Return the first header value with the specified name
    `String` | `getHeader(String headerName)` Return the first header value with the specified name
    `String` | `getTrailer(String trailerName)` Return the first trailer value with the specified name
    `HttpClientResponse` | `handler(Handler<Buffer> handler)` Set a data handler.
    `MultiMap` | `headers()`
    `NetSocket` | `netSocket()` Get a net socket for the underlying connection of this request.
    `HttpClientResponse` | `pause()` Pause the `ReadSupport`.
    `HttpClientResponse` | `resume()` Resume reading.
    `int` | `statusCode()`
    `String` | `statusMessage()`
    `MultiMap` | `trailers()`

- - ### Method Detail

    - #### resume

          HttpClientResponse resume()

      Description copied from interface: `ReadStream`
      Resume reading. If the `ReadSupport` has been paused, reading will recommence on it.
      Specified by:
        `resume` in interface `ReadStream<Buffer>`
      Returns:
        a reference to this, so the API can be used fluently

    - #### exceptionHandler

          HttpClientResponse exceptionHandler(Handler<Throwable> handler)

      Description copied from interface: `ReadStream`
      Set an exception handler on the read stream.
      Specified by:
        `exceptionHandler` in interface `ReadStream<Buffer>`
      Specified by:
        `exceptionHandler` in interface `StreamBase`
      Parameters:
        `handler` - the exception handler
      Returns:
        a reference to this, so the API can be used fluently

    - #### handler

          HttpClientResponse handler(Handler<Buffer> handler)

      Description copied from interface: `ReadStream`
      Set a data handler. As data is read, the handler will be called with the data.
      Specified by:
        `handler` in interface `ReadStream<Buffer>`
      Returns:
        a reference to this, so the API can be used fluently

    - #### pause

          HttpClientResponse pause()

      Description copied from interface: `ReadStream`
      Pause the `ReadSupport`. While it's paused, no data will be sent to the `dataHandler`
      Specified by:
        `pause` in interface `ReadStream<Buffer>`
      Returns:
        a reference to this, so the API can be used fluently

    - #### endHandler

          HttpClientResponse endHandler(Handler<Void> endHandler)

      Description copied from interface: `ReadStream`
      Set an end handler. Once the stream has ended, and there is no more data to be read, this handler will be called.
      Specified by:
        `endHandler` in interface `ReadStream<Buffer>`
      Returns:
        a reference to this, so the API can be used fluently

    - #### statusCode

          int statusCode()

      Returns:
        the status code of the response

    - #### statusMessage

          String statusMessage()

      Returns:
        the status message of the response

    - #### headers

          MultiMap headers()

      Returns:
        the headers

    - #### getHeader

          String getHeader(String headerName)

      Return the first header value with the specified name
      Parameters:
        `headerName` - the header name
      Returns:
        the header value

    - #### getHeader

          String getHeader(CharSequence headerName)

      Return the first header value with the specified name
      Parameters:
        `headerName` - the header name
      Returns:
        the header value

    - #### getTrailer

          String getTrailer(String trailerName)

      Return the first trailer value with the specified name
      Parameters:
        `trailerName` - the trailer name
      Returns:
        the trailer value

    - #### trailers

          MultiMap trailers()

      Returns:
        the trailers

    - #### cookies

          List<String> cookies()

      Returns:
        the Set-Cookie headers (including trailers)

    - #### bodyHandler

          HttpClientResponse bodyHandler(Handler<Buffer> bodyHandler)

      Convenience method for receiving the entire request body in one piece.

      This saves you having to manually set a dataHandler and an endHandler and append the chunks of the body until the whole body received. Don't use this if your request body is large - you could potentially run out of RAM.

      Parameters:
        `bodyHandler` - This handler will be called after all the body has been received

    - #### netSocket

          NetSocket netSocket()

      Get a net socket for the underlying connection of this request.

      USE THIS WITH CAUTION! Writing to the socket directly if you don't know what you're doing can easily break the HTTP protocol

      One valid use-case for calling this is to receive the `NetSocket` after a HTTP CONNECT was issued to the remote peer and it responded with a status code of 200.

      Returns:
        the net socket

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