Class: Configuration::FileSource

Inherits:
FileSourceStoreBase show all
Includes:
ClassLogging
Defined in:
lib/httpimagestore/configuration/file.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from FileSourceStoreBase

#file_url, #initialize, #storage_path, #to_s

Methods inherited from SourceStoreBase

#initialize

Methods inherited from Scope

#initialize, node_parsers, #parse, register_node_parser

Constructor Details

This class inherits a constructor from Configuration::FileSourceStoreBase

Class Method Details

.match(node) ⇒ Object 



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# File 'lib/httpimagestore/configuration/file.rb', line 77

def self.match(node)
  node.name == 'source_file'
end

.parse(configuration, node) ⇒ Object 



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# File 'lib/httpimagestore/configuration/file.rb', line 81

def self.parse(configuration, node)
  configuration.sources << super
end

Instance Method Details

#realize(request_state) ⇒ Object 



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# File 'lib/httpimagestore/configuration/file.rb', line 85

def realize(request_state)
  put_sourced_named_image(request_state) do |image_name, rendered_path|
    storage_path = storage_path(rendered_path)

    log.info "sourcing '#{image_name}' from file '#{storage_path}'"
    begin
      data = measure "sourcing image from file", image_name do
        storage_path.open('rb') do |io|
          request_state.memory_limit.io io
          io.read
        end
      end
      FileSourceStoreBase.stats.incr_total_file_source
      FileSourceStoreBase.stats.incr_total_file_source_bytes(data.bytesize)

      image = Image.new(data)
      image.source_url = file_url(rendered_path)
      image
    rescue Errno::ENOENT
      raise NoSuchFileError.new(image_name, rendered_path)
    end
  end
end