| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| |
| var request = require('request'); |
| var fs = require('fs-extra'); |
| var events = require('events'); |
| var unzip = require('unzip'); |
| var constants = require('../dependencies/Constants'); |
| |
| var DownloadUncompressAndCopy = module.exports = Object.create(events.EventEmitter.prototype); |
| |
| DownloadUncompressAndCopy.downloadFile = function(item) |
| { |
| console.log('Downloading: ' + item.url + item.remoteFileName); |
| request |
| .get(item.url + item.remoteFileName) |
| .on('response', function(response){ |
| if(response.statusCode != 200) |
| { |
| console.log('Download failed with status code: ' + response.statusCode); |
| DownloadUncompressAndCopy.emit('installFail'); |
| } |
| else |
| { |
| response.pipe(fs.createWriteStream(constants.DOWNLOADS_FOLDER + item.remoteFileName) |
| .on('close', function(){ |
| console.log('Finished downloading: ' + item.url + item.remoteFileName); |
| if(item.unzip) |
| {//Unzip |
| console.log('Uncompressing: ' + constants.DOWNLOADS_FOLDER + item.remoteFileName); |
| fs.createReadStream(constants.DOWNLOADS_FOLDER + item.remoteFileName) |
| .pipe(unzip.Parse()) |
| .on('entry', function (entry) { |
| var fileName = entry.path; |
| var type = entry.type; // 'Directory' or 'File' |
| var size = entry.size; |
| if (fileName === item.pathOfFileToBeCopiedFrom) { |
| entry.pipe(fs.createWriteStream(item.pathOfFileToBeCopiedTo)); |
| } else { |
| entry.autodrain(); |
| } |
| }) |
| .on('finish', function(){ |
| console.log('Finished uncompressing: ' + constants.DOWNLOADS_FOLDER + item.remoteFileName + ' to: ' + item.destinationPath + item.destinationFileName); |
| DownloadUncompressAndCopy.emit('installComplete'); |
| }) |
| |
| } |
| else |
| {//Just copy |
| if((constants.DOWNLOADS_FOLDER + item.remoteFileName === item.destinationPath + item.destinationFileName)) |
| { |
| DownloadUncompressAndCopy.emit('installComplete'); |
| } |
| else |
| { |
| fs.createReadStream(constants.DOWNLOADS_FOLDER + item.remoteFileName) |
| .pipe(fs.createWriteStream(item.destinationPath + item.destinationFileName)) |
| .on('close', function(){ |
| console.log("Copied " + constants.DOWNLOADS_FOLDER + item.remoteFileName + " to " + |
| item.destinationPath + item.destinationFileName); |
| DownloadUncompressAndCopy.emit('installComplete'); |
| }); |
| } |
| } |
| }) |
| ); |
| } |
| }) |
| }; |
| |
| DownloadUncompressAndCopy.install = function(item) |
| { |
| DownloadUncompressAndCopy.downloadFile(item); |
| }; |