### Home Classes Methods

### In Files

- lib/rack/chunked.rb

### Parent

Object

### Namespace

- CLASS Rack::Chunked::Body

### Methods

- ::new
- #call
- #chunkable_version?

### Included Modules

- Rack::Utils

### Files

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No matching classes.

# Rack::Chunked

Middleware that applies chunked transfer encoding to response bodies when the response does not include a Content-Length header.

### Public Class Methods

new(app) click to toggle source

    # File lib/rack/chunked.rb, line 38
    def initialize(app)
      @app = app
    end

### Public Instance Methods

call(env) click to toggle source

    # File lib/rack/chunked.rb, line 53
    def call(env)
      status, headers, body = @app.call(env)
      headers = HeaderHash.new(headers)

      if ! chunkable_version?(env['HTTP_VERSION']) ||
         STATUS_WITH_NO_ENTITY_BODY.include?(status) ||
         headers[CONTENT_LENGTH] ||
         headers['Transfer-Encoding']
        [status, headers, body]
      else
        headers.delete(CONTENT_LENGTH)
        headers['Transfer-Encoding'] = 'chunked'
        [status, headers, Body.new(body)]
      end
    end

chunkable_version?(ver) click to toggle source

pre-HTTP/1.0 (informally "HTTP/0.9") HTTP requests did not have a version (nor response headers)

    # File lib/rack/chunked.rb, line 44
    def chunkable_version?(ver)
      case ver
      when "HTTP/1.0", nil, "HTTP/0.9"
        false
      else
        true
      end
    end

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