Class: MiniMime::Db

Inherits:
Object
  • Object
show all
Defined in:
lib/mini_mime.rb

Defined Under Namespace

Classes: Cache, RandomAccessDb

Constant Summary collapse

LOCK = 
Mutex.new

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Db

Returns a new instance of Db.



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# File 'lib/mini_mime.rb', line 154

def initialize
  @ext_db = RandomAccessDb.new(Configuration.ext_db_path, 0)
  @content_type_db = RandomAccessDb.new(Configuration.content_type_db_path, 1)
end

Class Method Details

.lookup_by_content_type(content_type) ⇒ Object 



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# File 'lib/mini_mime.rb', line 70

def self.lookup_by_content_type(content_type)
  LOCK.synchronize do
    @db ||= new
    @db.lookup_by_content_type(content_type)
  end
end

.lookup_by_extension(extension) ⇒ Object 



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# File 'lib/mini_mime.rb', line 62

def self.lookup_by_extension(extension)
  LOCK.synchronize do
    @db ||= new
    @db.lookup_by_extension(extension) ||
      @db.lookup_by_extension(extension.downcase)
  end
end

.lookup_by_filename(filename) ⇒ Object 



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# File 'lib/mini_mime.rb', line 55

def self.lookup_by_filename(filename)
  extension = File.extname(filename)
  return if extension.empty?
  extension = extension[1..-1]
  lookup_by_extension(extension)
end

Instance Method Details

#lookup_by_content_type(content_type) ⇒ Object 



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# File 'lib/mini_mime.rb', line 163

def lookup_by_content_type(content_type)
  @content_type_db.lookup(content_type)
end

#lookup_by_extension(extension) ⇒ Object 



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# File 'lib/mini_mime.rb', line 159

def lookup_by_extension(extension)
  @ext_db.lookup(extension)
end