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/*

* Copyright (C) 2016-2018 phantombot.tv

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

/**

* fileSystem.js

*

* Export general file management to th $ API

*/

(function() {

var JFile = java.io.File,

JFileInputStream = java.io.FileInputStream,

JFileOutputStream = java.io.FileOutputStream,

fileHandles = [];

/**

* @function readFile

* @export $

* @param {string} path

* @returns {Array}

*/

function readFile(path) {

var lines = [];

if (!fileExists(path)) {

return lines;

}

try {

var fis = new JFileInputStream(path),

scan = new java.util.Scanner(fis);

for (var i = 0; scan.hasNextLine(); ++i) {

lines[i] = scan.nextLine();

}

fis.close();

} catch (e) {

$.log.error('Failed to open \'' + path + '\': ' + e);

}

return lines;

}

/**

* @function mkDir

* @export $

* @param {string} path

* @returns {boolean}

*/

function mkDir(path) {

var dir = new JFile(path);

return dir.mkdir();

}

/**

* @function moveFile

* @export $

* @param {string} file

* @param {string} path

*/

function moveFile(file, path) {

var fileO = new JFile(file),

pathO = new JFile(path);

if ((fileO != null && pathO != null) || (file != "" && path != "")) {

try {

org.apache.commons.io.FileUtils.moveFileToDirectory(fileO, pathO, true);

} catch (ex) {

$.log.error("moveFile(" + file + ", " + path + ") failed: " + ex);

}

}

}

/**

* @function saveArray

* @export $

* @param {Array} array

* @param {string} path

* @param {boolean} append

*/

function saveArray(array, path, append) {

try {

var fos = new JFileOutputStream(path, append),

ps = new java.io.PrintStream(fos),

l = array.length;

for (var i = 0; i < l; ++i) {

ps.println(array[i]);

}

fos.close();

} catch (e) {

$.log.error('Failed to write to \'' + path + '\': ' + e);

}

}

/**

* @function closeOpenFiles

*/

function closeOpenFiles() {

var dateFormat = new java.text.SimpleDateFormat('MM-dd-yyyy'),

date = dateFormat.format(new java.util.Date());

for (var key in fileHandles) {

if (!fileHandles[key].startDate.equals(date)) {

fileHandles[key].fos.close();

delete fileHandles[key];

}

}

}

/**

* @function writeToFile

* @export $

* @param {string} line

* @param {string} path

* @param {boolean} append

*/

function writeToFile(line, path, append) {

var dateFormat = new java.text.SimpleDateFormat('MM-dd-yyyy'),

date = dateFormat.format(new java.util.Date()),

fos,

ps;

closeOpenFiles();

if (fileHandles[path] !== undefined && append) {

fos = fileHandles[path].fos;

ps = fileHandles[path].ps;

} else {

fos = new JFileOutputStream(path, append);

ps = new java.io.PrintStream(fos);

fileHandles[path] = {

fos: fos,

ps: ps,

startDate: date

};

}

try {

ps.println(line);

fos.flush();

} catch (e) {

$.log.error('Failed to write to \'' + path + '\': ' + e);

}

}

/**

* @function touchFile

* @export $

* @param {string} path

*/

function touchFile(path) {

try {

var fos = new JFileOutputStream(path, true);

fos.close();

} catch (e) {

$.log.error('Failed to touch \'' + path + '\': ' + e);

}

}

/**

* @function deleteFile

* @export $

* @param {string} path

* @param {boolean} now

*/

function deleteFile(path, now) {

try {

var f = new JFile(path);

if (now) {

f['delete']();

} else {

f.deleteOnExit();

}

} catch (e) {

$.log.error('Failed to delete \'' + path + '\': ' + e);

}

}

/**

* @function fileExists

* @export $

* @param {string} path

* @returns {boolean}

*/

function fileExists(path) {

try {

var f = new JFile(path);

return f.exists();

} catch (e) {

return false;

}

}

/**

* @function findFiles

* @export $

* @param {string} directory

* @param {string} pattern

* @returns {Array}

*/

function findFiles(directory, pattern) {

try {

var f = new JFile(directory),

ret = [];

if (f.isDirectory()) {

var files = f.list();

for (var i = 0; i < files.length; i++) {

if (files[i].indexOf(pattern) != -1) {

ret.push(files[i]);

}

}

return ret;

}

} catch (e) {

$.log.error('Failed to search in \'' + directory + '\': ' + e);

}

return [];

}

/**

* @function isDirectory

* @export $

* @param {string} path

* @returns {boolean}

*/

function isDirectory(path) {

try {

var f = new JFile(path);

return f.isDirectory();

} catch (e) {

return false;

}

}

/**

* @function findSize

* @export $

* @param {string} file

* @returns {Number}

*/

function findSize(file) {

var fileO = new JFile(file);

return fileO.length();

}

/** Export functions to API */

$.deleteFile = deleteFile;

$.fileExists = fileExists;

$.findFiles = findFiles;

$.findSize = findSize;

$.isDirectory = isDirectory;

$.mkDir = mkDir;

$.moveFile = moveFile;

$.readFile = readFile;

$.saveArray = saveArray;

$.touchFile = touchFile;

$.writeToFile = writeToFile;

})();