Class: Paperclip::FileAdapter

Inherits:

Object

• Object
• Paperclip::FileAdapter

show all

Defined in:

lib/paperclip/io_adapters/file_adapter.rb

Instance Method Summary (collapse)

• - (Object) content_type
• - (Boolean) eof?
• - (Object) fingerprint
• - (FileAdapter) initialize(target) constructor

  A new instance of FileAdapter.

• - (Boolean) nil?
• - (Object) original_filename
• - (Object) path
• - (Object) read(length = nil, buffer = nil)
• - (Object) rewind

  We don't use this directly, but aws/sdk does.

• - (Object) size

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 3

def initialize(target)
  @target = target
  @tempfile = copy_to_tempfile(@target)
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 16

def content_type
  types = MIME::Types.type_for(original_filename)
  if types.length == 0
    type_from_file_command
  elsif types.length == 1
    types.first.content_type
  else
    best_content_type_option(types)
  end
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 48

def eof?
  @tempfile.eof?
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 27

def fingerprint
  @fingerprint ||= Digest::MD5.file(path).to_s
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 35

def nil?
  @target.nil?
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 8

def original_filename
  if @target.respond_to?(:original_filename)
    @target.original_filename
  else
    File.basename(@target.path)
  end
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 52

def path
  @tempfile.path
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 39

def read(length = nil, buffer = nil)
  @tempfile.read(length, buffer)
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 44

def rewind
  @tempfile.rewind
end

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# File 'lib/paperclip/io_adapters/file_adapter.rb', line 31

def size
  File.size(@tempfile)
end