UriCache

Cache data for URIs

(defined in /src/UriCache.coffee:12)

class UriCache

	constructor: (@cacheDir) ->

Constructor

Parameters

(None)

UriCache::clear(cb)

Clear the whole cache

Parameters

Name	Type	Description
`cb`	Function()

(defined in /src/UriCache.coffee:45)

clear : (cb)->
	Fs.readdir @cacheDir, (err, relFiles) =>
		Async.each relFiles, (relFile, done) =>
			Fs.unlink Path.join(@cacheDir, relFile), done
		, cb

UriCache::get(uri,cb)

Retrieve data for a URI

Parameters

Name	Type	Description
`uri`	String
`cb`	Function()

(defined in /src/UriCache.coffee:35)

get : (uri, cb) ->
	fname = Path.join(@cacheDir, Utils.uriToFilename(uri))
	Fs.readFile fname, {encoding: 'utf-8'}, (err, data) ->
		return cb err if err
		return cb null, data

UriCache::initialize()

Create cacheDir unless it exists

(defined in /src/UriCache.coffee:18)

initialize : (cb) ->
	MkdirP @cacheDir, cb

UriCache::put(uri,data,cb)

Store data in the cache

Parameters

Name	Type	Description
`uri`	String
`data`	String
`cb`	Function()

(defined in /src/UriCache.coffee:27)

put : (uri, data, cb) ->
	Fs.writeFile Path.join(@cacheDir, Utils.uriToFilename(uri)), data, cb