class MiniMime::Db

# File lib/mini_mime.rb, line 59
def self.lookup_by_content_type(content_type)
  LOCK.synchronize do
    @db ||= new
    @db.lookup_by_content_type(content_type)
  end
end

# File lib/mini_mime.rb, line 52
def self.lookup_by_extension(extension)
  LOCK.synchronize do
    @db ||= new
    @db.lookup_by_extension(extension)
  end
end

# File lib/mini_mime.rb, line 44
def self.lookup_by_filename(filename)
  extension = File.extname(filename)
  return if extension.empty?
  extension = extension[1..-1]
  extension.downcase!
  lookup_by_extension(extension)
end

# File lib/mini_mime.rb, line 143
def initialize
  @ext_db = RandomAccessDb.new("ext_mime.db", 0)
  @content_type_db = RandomAccessDb.new("content_type_mime.db", 1)
end

# File lib/mini_mime.rb, line 152
def lookup_by_content_type(content_type)
  @content_type_db.lookup(content_type)
end

# File lib/mini_mime.rb, line 148
def lookup_by_extension(extension)
  @ext_db.lookup(extension)
end