Module: WikiCacheStore

Included in:
Wiki
Defined in:
lib/soks-storage.rb

Constant Summary collapse

CACHE_EXTENSION = 
".marshal"

Instance Method Summary collapse

Instance Method Details

#cache_filename_for(name) ⇒ Object 



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# File 'lib/soks-storage.rb', line 40

def cache_filename_for( name )
	File.join( @cache_folder, "#{name}#{CACHE_EXTENSION}")
end

#load_cache(cache_name) ⇒ Object 



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# File 'lib/soks-storage.rb', line 5

def load_cache( cache_name )
	return nil unless @cache_folder
	
	cache = nil
	
	File.open( cache_filename_for( cache_name ) ) do |f|
		cache = Marshal.load(f)
	end
	
	File.delete( cache_filename_for( cache_name ) )
	
	$LOG.info "Loaded #{cache_name} cache"
	
	return cache
	
	rescue ArgumentError
		$LOG.warn "#{cache_name} cache corrupt (bad characters in file)"
		return nil 
	
	rescue EOFError
		$LOG.warn "#{cache_name} cache corrupt (unexpected end of file)"
		return nil 
		
	rescue Errno::ENOENT
		$LOG.warn "#{cache_name} cache not found"
		return nil
end

#save_cache(cache_name, cache_object) ⇒ Object 



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# File 'lib/soks-storage.rb', line 33

def save_cache( cache_name, cache_object )
	return nil unless @cache_folder
	File.open( cache_filename_for( cache_name ), 'w' ) do |f|
		f.puts Marshal.dump(cache_object)
	end
end