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# Class: Vertx::HttpClientRequest

Inherits:
  Object
  - Object
  - Vertx::HttpClientRequest
  show all
Includes:
  ReadStream, WriteStream
Defined in:
  /Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb

## Overview

Represents a client-side HTTP request.

Instances are created by an HttpClient instance, via one of the methods corresponding to the specific HTTP methods, or the generic request methods. On creation the request will not have been written to the wire.

Once a request has been obtained, headers can be set on it, and data can be written to its body if required. Once you are ready to send the request, one of the #end methods should be called.

Nothing is actually sent until the request has been internally assigned an HTTP connection.

The HttpClient instance will return an instance of this class immediately, even if there are no HTTP connections available in the pool. Any requests sent before a connection is assigned will be queued internally and actually sent when an HTTP connection becomes available from the pool.

The headers of the request are queued for writing either when the #end method is called, or, when the first part of the body is written, whichever occurs first.

This class supports both chunked and non-chunked HTTP.

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

An example of using this class is as follows:

## Instance Method Summary (collapse)

- - (true, false) chunked?
  @return Is the request chunked?.
- - (::Vertx::HttpConnection) connection
  @return the HttpConnection associated with this request.
- - (self) connection_handler { ... }
  Set a connection handler called when an HTTP connection has been established.
- - (self) continue_handler { ... }
  If you send an HTTP request with the header Expect set to the value 100-continue and the server responds with an interim HTTP response with a status code of 100 and a continue handler has been set using this method, then the handler will be called.
- - (self) drain_handler { ... }
- - (void) end(param_1 = nil, param_2 = nil)
  Same as #end but writes a String with the specified encoding.
- - (self) end_handler { ... }
- - (self) exception_handler { ... }
- - (String) get_host
  @return the request host.
- - (String) get_raw_method
  @return the raw value of the method this request sends.
- - (self) handler { ... }
- - (::Vertx::MultiMap) headers
  @return The HTTP headers.
- - (:OPTIONS, ...) method
  The HTTP method for the request.
- - (String) path
  @return The path part of the uri.
- - (self) pause
- - (self) push_handler { ... }
  Set a push handler for this request.
- - (self) put_header(name = nil, value = nil)
  Put an HTTP header.
- - (String) query
  @return the query part of the uri.
- - (void) reset(code = nil)
  Reset this stream with the error code.
- - (self) resume
- - (self) send_head { ... }
  Like #send_head but with an handler after headers have been sent.
- - (self) set_chunked(chunked = nil)
  If chunked is true then the request will be set into HTTP chunked mode.
- - (self) set_host(host = nil)
  Set the request host.
- - (self) set_raw_method(method = nil)
  Set the value the method to send when the method is used.
- - (self) set_timeout(timeoutMs = nil)
  Set's the amount of time after which if the request does not return any data within the timeout period an TimeoutException will be passed to the exception handler (if provided) and the request will be closed.
- - (self) set_write_queue_max_size(maxSize = nil)
- - (Fixnum) stream_id
  @return the id of the stream of this response, when it is not yet determined, i.e the request has not been yet sent or it is not supported HTTP/1.x.
- - (String) uri
  @return The URI of the request.
- - (self) write(param_1 = nil, param_2 = nil)
  Write a String to the request body, encoded using the encoding enc.
- - (self) write_custom_frame(param_1 = nil, param_2 = nil, param_3 = nil)
  Write an HTTP/2 frame to the request, allowing to extend the HTTP/2 protocol.
- - (true, false) write_queue_full?
  This will return true if there are more bytes in the write queue than the value set using #set_write_queue_max_size.

## Instance Method Details

### - (`true`, `false`) chunked?

@return Is the request chunked?

Returns:

- (`true`, `false`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 152

    def chunked?
      if !block_given?
        return @j_del.java_method(:isChunked, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling chunked?()"
    end

### - (`::Vertx::HttpConnection`) connection

@return the Vertx::HttpConnection associated with this request

Returns:

- (`::Vertx::HttpConnection`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 354

    def connection
      if !block_given?
        if @cached_connection != nil
          return @cached_connection
        end
        return @cached_connection = ::Vertx::Util::Utils.safe_create(@j_del.java_method(:connection, []).call(),::Vertx::HttpConnection)
      end
      raise ArgumentError, "Invalid arguments when calling connection()"
    end

### - (`self`) connection_handler { ... }

Set a connection handler called when an HTTP connection has been established.

Yields:

- the handler

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 366

    def connection_handler
      if block_given?
        @j_del.java_method(:connectionHandler, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |event| yield(::Vertx::Util::Utils.safe_create(event,::Vertx::HttpConnection)) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling connection_handler()"
    end

### - (`self`) continue_handler { ... }

If you send an HTTP request with the header `Expect` set to the value `100-continue` and the server responds with an interim HTTP response with a status code of `100` and a continue handler has been set using this method, then the `handler` will be called.

You can then continue to write data to the request body and later end it. This is normally used in conjunction with the #send_head method to force the request header to be written before the request has ended.

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 258

    def continue_handler
      if block_given?
        @j_del.java_method(:continueHandler, [Java::IoVertxCore::Handler.java_class]).call(Proc.new { yield })
        return self
      end
      raise ArgumentError, "Invalid arguments when calling continue_handler()"
    end

### - (`self`) drain_handler { ... }

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 99

    def drain_handler
      if block_given?
        @j_del.java_method(:drainHandler, [Java::IoVertxCore::Handler.java_class]).call(Proc.new { yield })
        return self
      end
      raise ArgumentError, "Invalid arguments when calling drain_handler()"
    end

### - (`void`) end - (`void`) end(chunk) - (`void`) end(chunk) - (`void`) end(chunk, enc)

This method returns an undefined value.

Same as #end but writes a String with the specified encoding

Overloads:

- - (`void`) end(chunk)

  Parameters:

  - chunk (`String`)
- - (`void`) end(chunk)

  Parameters:

  - chunk (`::Vertx::Buffer`)
- - (`void`) end(chunk, enc)

  Parameters:

  - chunk (`String`)
  - enc (`String`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 289

    def end(param_1=nil,param_2=nil)
      if !block_given? && param_1 == nil && param_2 == nil
        return @j_del.java_method(:end, []).call()
      elsif param_1.class == String && !block_given? && param_2 == nil
        return @j_del.java_method(:end, [Java::java.lang.String.java_class]).call(param_1)
      elsif param_1.class.method_defined?(:j_del) && !block_given? && param_2 == nil
        return @j_del.java_method(:end, [Java::IoVertxCoreBuffer::Buffer.java_class]).call(param_1.j_del)
      elsif param_1.class == String && param_2.class == String && !block_given?
        return @j_del.java_method(:end, [Java::java.lang.String.java_class,Java::java.lang.String.java_class]).call(param_1,param_2)
      end
      raise ArgumentError, "Invalid arguments when calling end(param_1,param_2)"
    end

### - (`self`) end_handler { ... }

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 133

    def end_handler
      if block_given?
        @j_del.java_method(:endHandler, [Java::IoVertxCore::Handler.java_class]).call(Proc.new { yield })
        return self
      end
      raise ArgumentError, "Invalid arguments when calling end_handler()"
    end

### - (`self`) exception_handler { ... }

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 59

    def exception_handler
      if block_given?
        @j_del.java_method(:exceptionHandler, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |event| yield(::Vertx::Util::Utils.from_throwable(event)) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling exception_handler()"
    end

### - (`String`) get_host

@return the request host. For HTTP2 it returns the pseudo header otherwise it returns the header

Returns:

- (`String`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 222

    def get_host
      if !block_given?
        return @j_del.java_method(:getHost, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling get_host()"
    end

### - (`String`) get_raw_method

@return the raw value of the method this request sends

Returns:

- (`String`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 168

    def get_raw_method
      if !block_given?
        return @j_del.java_method(:getRawMethod, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling get_raw_method()"
    end

### - (`self`) handler { ... }

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 108

    def handler
      if block_given?
        @j_del.java_method(:handler, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |event| yield(::Vertx::Util::Utils.safe_create(event,::Vertx::HttpClientResponse)) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling handler()"
    end

### - (`::Vertx::MultiMap`) headers

@return The HTTP headers

Returns:

- (`::Vertx::MultiMap`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 230

    def headers
      if !block_given?
        if @cached_headers != nil
          return @cached_headers
        end
        return @cached_headers = ::Vertx::Util::Utils.safe_create(@j_del.java_method(:headers, []).call(),::Vertx::MultiMap)
      end
      raise ArgumentError, "Invalid arguments when calling headers()"
    end

### - (`:OPTIONS`, ...) method

The HTTP method for the request.

Returns:

- (`:OPTIONS`, `:GET`, `:HEAD`, `:POST`, `:PUT`, `:DELETE`, `:TRACE`, `:CONNECT`, `:PATCH`, `:OTHER`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 160

    def method
      if !block_given?
        return @j_del.java_method(:method, []).call().name.intern
      end
      raise ArgumentError, "Invalid arguments when calling method()"
    end

### - (`String`) path

@return The path part of the uri. For example /somepath/somemorepath/someresource.foo

Returns:

- (`String`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 194

    def path
      if !block_given?
        return @j_del.java_method(:path, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling path()"
    end

### - (`self`) pause

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 116

    def pause
      if !block_given?
        @j_del.java_method(:pause, []).call()
        return self
      end
      raise ArgumentError, "Invalid arguments when calling pause()"
    end

### - (`self`) push_handler { ... }

Set a push handler for this request.

The handler is called when the client receives a push promise from the server. The handler can be called multiple times, for each push promise.

The handler is called with a read-only Vertx::HttpClientRequest, the following methods can be called:

- #method
- #uri
- #headers
- #get_host

In addition the handler should call the #handler method to set an handler to process the response.

Yields:

- the handler

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 334

    def push_handler
      if block_given?
        @j_del.java_method(:pushHandler, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |event| yield(::Vertx::Util::Utils.safe_create(event,::Vertx::HttpClientRequest)) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling push_handler()"
    end

### - (`self`) put_header(name = nil, value = nil)

Put an HTTP header

Parameters:

- name (`String`) (defaults to: `nil`) —
  The header name
- value (`String`) (defaults to: `nil`) —
  The header value

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 243

    def put_header(name=nil,value=nil)
      if name.class == String && value.class == String && !block_given?
        @j_del.java_method(:putHeader, [Java::java.lang.String.java_class,Java::java.lang.String.java_class]).call(name,value)
        return self
      end
      raise ArgumentError, "Invalid arguments when calling put_header(name,value)"
    end

### - (`String`) query

@return the query part of the uri. For example someparam=32&someotherparam=x

Returns:

- (`String`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 202

    def query
      if !block_given?
        return @j_del.java_method(:query, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling query()"
    end

### - (`void`) reset(code = nil)

This method returns an undefined value.

Reset this stream with the error `code`.

Parameters:

- code (`Fixnum`) (defaults to: `nil`) —
  the error code

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 344

    def reset(code=nil)
      if !block_given? && code == nil
        return @j_del.java_method(:reset, []).call()
      elsif code.class == Fixnum && !block_given?
        return @j_del.java_method(:reset, [Java::long.java_class]).call(code)
      end
      raise ArgumentError, "Invalid arguments when calling reset(code)"
    end

### - (`self`) resume

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 124

    def resume
      if !block_given?
        @j_del.java_method(:resume, []).call()
        return self
      end
      raise ArgumentError, "Invalid arguments when calling resume()"
    end

### - (`self`) send_head { ... }

Like #send_head but with an handler after headers have been sent. The handler will be called with the HttpVersion if it can be determined or null otherwise.

Yields:

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 269

    def send_head
      if !block_given?
        @j_del.java_method(:sendHead, []).call()
        return self
      elsif block_given?
        @j_del.java_method(:sendHead, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |event| yield(event.name.intern) }))
        return self
      end
      raise ArgumentError, "Invalid arguments when calling send_head()"
    end

### - (`self`) set_chunked(chunked = nil)

If chunked is true then the request will be set into HTTP chunked mode

Parameters:

- chunked (`true`, `false`) (defaults to: `nil`) —
  true if chunked encoding

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 143

    def set_chunked(chunked=nil)
      if (chunked.class == TrueClass || chunked.class == FalseClass) && !block_given?
        @j_del.java_method(:setChunked, [Java::boolean.java_class]).call(chunked)
        return self
      end
      raise ArgumentError, "Invalid arguments when calling set_chunked(chunked)"
    end

### - (`self`) set_host(host = nil)

Set the request host.

For HTTP2 it sets the pseudo header otherwise it sets the header

Parameters:

- host (`String`) (defaults to: `nil`)

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 213

    def set_host(host=nil)
      if host.class == String && !block_given?
        @j_del.java_method(:setHost, [Java::java.lang.String.java_class]).call(host)
        return self
      end
      raise ArgumentError, "Invalid arguments when calling set_host(host)"
    end

### - (`self`) set_raw_method(method = nil)

Set the value the method to send when the method is used.

Parameters:

- method (`String`) (defaults to: `nil`) —
  the raw method

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 177

    def set_raw_method(method=nil)
      if method.class == String && !block_given?
        @j_del.java_method(:setRawMethod, [Java::java.lang.String.java_class]).call(method)
        return self
      end
      raise ArgumentError, "Invalid arguments when calling set_raw_method(method)"
    end

### - (`self`) set_timeout(timeoutMs = nil)

Set's the amount of time after which if the request does not return any data within the timeout period an TimeoutException will be passed to the exception handler (if provided) and the request will be closed.

Calling this method more than once has the effect of canceling any existing timeout and starting the timeout from scratch.

Parameters:

- timeoutMs (`Fixnum`) (defaults to: `nil`) —
  The quantity of time in milliseconds.

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 309

    def set_timeout(timeoutMs=nil)
      if timeoutMs.class == Fixnum && !block_given?
        @j_del.java_method(:setTimeout, [Java::long.java_class]).call(timeoutMs)
        return self
      end
      raise ArgumentError, "Invalid arguments when calling set_timeout(timeoutMs)"
    end

### - (`self`) set_write_queue_max_size(maxSize = nil)

Parameters:

- maxSize (`Fixnum`) (defaults to: `nil`)

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 90

    def set_write_queue_max_size(maxSize=nil)
      if maxSize.class == Fixnum && !block_given?
        @j_del.java_method(:setWriteQueueMaxSize, [Java::int.java_class]).call(maxSize)
        return self
      end
      raise ArgumentError, "Invalid arguments when calling set_write_queue_max_size(maxSize)"
    end

### - (`Fixnum`) stream_id

@return the id of the stream of this response, when it is not yet determined, i.e the request has not been yet sent or it is not supported HTTP/1.x

Returns:

- (`Fixnum`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 399

    def stream_id
      if !block_given?
        return @j_del.java_method(:streamId, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling stream_id()"
    end

### - (`String`) uri

@return The URI of the request.

Returns:

- (`String`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 186

    def uri
      if !block_given?
        return @j_del.java_method(:uri, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling uri()"
    end

### - (`self`) write(data) - (`self`) write(chunk) - (`self`) write(chunk, enc)

Write a String to the request body, encoded using the encoding `enc`.

Overloads:

- - (`self`) write(data)

  Parameters:

  - data (`::Vertx::Buffer`)
- - (`self`) write(chunk)

  Parameters:

  - chunk (`String`)
- - (`self`) write(chunk, enc)

  Parameters:

  - chunk (`String`)
  - enc (`String`)

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 75

    def write(param_1=nil,param_2=nil)
      if param_1.class.method_defined?(:j_del) && !block_given? && param_2 == nil
        @j_del.java_method(:write, [Java::IoVertxCoreBuffer::Buffer.java_class]).call(param_1.j_del)
        return self
      elsif param_1.class == String && !block_given? && param_2 == nil
        @j_del.java_method(:write, [Java::java.lang.String.java_class]).call(param_1)
        return self
      elsif param_1.class == String && param_2.class == String && !block_given?
        @j_del.java_method(:write, [Java::java.lang.String.java_class,Java::java.lang.String.java_class]).call(param_1,param_2)
        return self
      end
      raise ArgumentError, "Invalid arguments when calling write(param_1,param_2)"
    end

### - (`self`) writeCustomFrame(frame) - (`self`) writeCustomFrame(type, flags, payload)

Write an HTTP/2 frame to the request, allowing to extend the HTTP/2 protocol.

The frame is sent immediatly and is not subject to flow control.

This method must be called after the request headers have been sent and only for the protocol HTTP/2. The #send_head should be used for this purpose.

Overloads:

- - (`self`) writeCustomFrame(frame)

  Parameters:

  - frame (`::Vertx::HttpFrame`) —
    the frame to write
- - (`self`) writeCustomFrame(type, flags, payload)

  Parameters:

  - type (`Fixnum`) —
    the 8-bit frame type
  - flags (`Fixnum`) —
    the 8-bit frame flags
  - payload (`::Vertx::Buffer`) —
    the frame payload

Returns:

- (`self`)

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 386

    def write_custom_frame(param_1=nil,param_2=nil,param_3=nil)
      if param_1.class.method_defined?(:j_del) && !block_given? && param_2 == nil && param_3 == nil
        @j_del.java_method(:writeCustomFrame, [Java::IoVertxCoreHttp::HttpFrame.java_class]).call(param_1.j_del)
        return self
      elsif param_1.class == Fixnum && param_2.class == Fixnum && param_3.class.method_defined?(:j_del) && !block_given?
        @j_del.java_method(:writeCustomFrame, [Java::int.java_class,Java::int.java_class,Java::IoVertxCoreBuffer::Buffer.java_class]).call(param_1,param_2,param_3.j_del)
        return self
      end
      raise ArgumentError, "Invalid arguments when calling write_custom_frame(param_1,param_2,param_3)"
    end

### - (`true`, `false`) write_queue_full?

This will return `true` if there are more bytes in the write queue than the value set using #set_write_queue_max_size

Returns:

- (`true`, `false`) —
  true if write queue is full

Raises:

- (`ArgumentError`)

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    # File '/Users/julien/java/vertx-stack/stack-docs/target/rb/vertx/http_client_request.rb', line 51

    def write_queue_full?
      if !block_given?
        return @j_del.java_method(:writeQueueFull, []).call()
      end
      raise ArgumentError, "Invalid arguments when calling write_queue_full?()"
    end