latte_web3/lib/post/file.js

latte_webServer3

(function(define) { 'use strict';
	define("latte_web/post/file", ["require", "exports", "module", "window"],
	function(require, exports, module, window) {
			var latte_lib = require("latte_lib")
				, Fs = require("latte_lib").fs
				, path = require("path")
				, WriteStream = Fs.WriteStream
				, events = latte_lib.events;
			function File(opts) {
				events.call(this);
				this.size = 0;
				this.path = null;
				this.name = null;
				this.type = null;
				this.lastModifiedDate = null;
				this._writeStream = null;
				for(var key in opts) {
					this[key] = opts[key];
				}
			};
			latte_lib.inherits(File, events);
			(function() {
				this._backwardsCompatibility = function() {
					var self = this;
					this.__defineGetter__("length", function() {
						return self.size;
					});
					this.__defineGetter__("filename", function() {
						return self.name;
					});
					this.__defineGetter__("mime", function() {
						return self.type;
					});
				}
				this.write = function(buffer, cb) {
					var self = this;
					this._writeStream.write(buffer, function() {
						self.lastModifiedDate = new Date();
						self.size += buffer.length;
						self.emit("progress", self.size);
						cb();
					});
				}
				this.end = function(cb) {
					var self = this;
					this._writeStream.end(function() {
						self.emit("end");
						cb();
					});
				}
				this.open = function() {
					this._writeStream = new WriteStream(this.path);
				}
				this.rename = function(nowPath, callback) {
					var self = this;
					Fs.rename(this.path, nowPath , function(err) {
						if(err) { return callback(err); }
						self.path = nowPath;
						callback && callback(err);
					});
				}
				this.del = function(callback) {
					callback = callback || function() {};
					Fs.deleteFile(this.path, callback);
				}
			}).call(File.prototype);
			module.exports = File;
	});
})(typeof define === "function"? define: function(name, reqs, factory) { factory(require, exports, module); });