Class: URI::HTTP

Inherits:

Object

• Object
• URI::HTTP

Defined in:

lib/ruby_core_ri/contrib/uri_ext.rb

Overview

:nodoc:

Instance Method Summary

• #read(options = nil, &block) ⇒ Object

  See URI::Generic#read.

Instance Method Details

#read(options = nil, &block) ⇒ Object

See URI::Generic#read

# File 'lib/ruby_core_ri/contrib/uri_ext.rb', line 232

def read(options = nil, &block)
  options ||= {}
  connect do |http|
    puts "Requesting #{self}" #if verbose
    headers = { 'If-Modified-Since' => CGI.rfc1123_date(options[:modified].utc) } if options[:modified]
    request = Net::HTTP::Get.new(request_uri.empty? ? '/' : request_uri, headers)
    request.basic_auth self.user, self.password if self.user
    http.request request do |response|
      case response
      when Net::HTTPNotModified
        # No modification, nothing to do.
        puts 'Not modified since last download' #if verbose
        return nil
      when Net::HTTPRedirection
        # Try to download from the new URI, handle relative redirects.
        puts "Redirected to #{response['Location']}" #if verbose
        return (self + URI.parse(response['location'])).read(options, &block)
      when Net::HTTPOK
        puts "Downloading #{self}" #if verbose
        result = nil
        with_progress_bar options[:progress], path.split('/').last, response.content_length do |progress|
          if block
            response.read_body do |chunk|
              block.call chunk
              progress << chunk
            end
          else
            result = ''
            response.read_body do |chunk|
              result << chunk
              progress << chunk
            end
          end
        end
        return result
      when Net::HTTPNotFound
        raise NotFoundError, "Looking for #{self} and all I got was a 404!"
      else
        raise RuntimeError, "Failed to download #{self}: #{response.message}"
      end
    end
  end
end