82 lines
1.6 KiB
JavaScript
82 lines
1.6 KiB
JavaScript
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if (global.GENTLY) require = GENTLY.hijack(require);
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var util = require('util'),
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fs = require('fs'),
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EventEmitter = require('events').EventEmitter,
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crypto = require('crypto');
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function File(properties) {
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EventEmitter.call(this);
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this.size = 0;
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this.path = null;
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this.name = null;
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this.type = null;
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this.hash = null;
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this.lastModifiedDate = null;
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this._writeStream = null;
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for (var key in properties) {
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this[key] = properties[key];
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}
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if(typeof this.hash === 'string') {
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this.hash = crypto.createHash(properties.hash);
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} else {
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this.hash = null;
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}
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}
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module.exports = File;
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util.inherits(File, EventEmitter);
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File.prototype.open = function() {
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this._writeStream = new fs.WriteStream(this.path);
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};
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File.prototype.toJSON = function() {
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var json = {
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size: this.size,
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path: this.path,
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name: this.name,
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type: this.type,
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mtime: this.lastModifiedDate,
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length: this.length,
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filename: this.filename,
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mime: this.mime
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};
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if (this.hash && this.hash != "") {
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json.hash = this.hash;
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}
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return json;
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};
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File.prototype.write = function(buffer, cb) {
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var self = this;
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if (self.hash) {
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self.hash.update(buffer);
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}
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if (this._writeStream.closed) {
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return cb();
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}
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this._writeStream.write(buffer, function() {
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self.lastModifiedDate = new Date();
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self.size += buffer.length;
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self.emit('progress', self.size);
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cb();
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});
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};
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File.prototype.end = function(cb) {
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var self = this;
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if (self.hash) {
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self.hash = self.hash.digest('hex');
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}
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this._writeStream.end(function() {
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self.emit('end');
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cb();
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});
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};
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