/
file.js
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file.js
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/*
* Copyright (c) 2005-2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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 file = {};
(function() {
var log = new Log('utils-file');
var CONTENT_MAP = {
'js': 'application/javascript',
'css': 'text/css',
'csv': 'text/csv',
'html': 'text/html',
'json': 'application/json',
'png': 'image/png',
'jpeg': 'image/jpeg',
'jpg': 'image/jpeg',
'gif': 'image/gif',
'svg': 'image/svg+xml',
'ttf': 'application/x-font-ttf',
'eot': 'application/vnd.ms-fontobject',
'woff': 'application/font-woff',
'otf': 'application/x-font-otf',
'zip': 'application/zip',
'xml': 'text/xml',
'xhtml': 'application/xhtml+xml',
'pdf': 'application/pdf'
};
/**
* The function checks whether a directory contains a particular file
* @param dir The directory in which the file must be checked
* @param file A File object if the file exists,else null
*/
file.getFileInDir = function(dir, fileName) {
var isFilePresent = false;
var files = dir.listFiles();
for (var index in files) {
if (files[index].getName() == fileName) {
return files[index];
}
}
return null;
};
/**
* The function returns the file extension of a filename
* @param file
* @return: The extension of the file
*/
file.getExtension = function(file) {
var baseFileName = file.getName();
//Break up the name by .
var baseNameComponents = baseFileName.split('.');
var extension = baseNameComponents[baseNameComponents.length - 1];
return extension;
};
/**
* The function obtains the MIME type based on the extension
* @param The extension
* @return The mime type
*/
file.getMimeType = function(extension) {
return CONTENT_MAP[extension];
};
/**
* The function returns the name of the file without the file extension
* @param file A file object
* @return: The name of the file without the extension
*/
file.getFileName = function(file) {
//Get the name of the file
var baseFileName = file.getName();
//Break up the name by .
var baseNameComponents = baseFileName.split('.');
//Get all of the components except the last one
baseNameComponents.splice(baseNameComponents.length - 1, 1);
return baseNameComponents.join('.');
};
/**
* The function returns the contents of a directory as a JSON object.The name of the
* file is used as the property names without the extensions.
* NOTE: The method will not traverse sub folders.
* @param The directory to be inspected
* @return A JSON object which contains the files in the directory
*/
file.getDirectoryContents = function(dir) {
var dirContents = {};
//Check if it is a directory
if (!dir.isDirectory()) {
log.info('Not a directory');
return dirContents;
}
//Obtain a list of all files
var files = this.getAllFiles(dir);
var name;
log.info('Files: ' + files);
//Create the directory object with each file been a property
for (var index in files) {
dirContents[this.getFileName(files[index])] = files[index];
}
return dirContents;
};
/**
* The function obtains a list of files that are not directories
* @param dir The directory to be inspected
* @return An array with all of the files in the directory
*/
file.getAllFiles = function(dir) {
var filesInDir = [];
if (!dir.isDirectory()) {
return filesInDir;
}
//Obtain a list of all files
var files = dir.listFiles();
for (var index in files) {
log.info('Checking file: ' + files[index].getName());
//Check if the file is a directory
if (!files[index].isDirectory()) {
filesInDir.push(files[index]);
}
}
return filesInDir;
};
/**
* The function returns a list of all file names in a directory
* @param dir The directory to be inspected
* @return {An array containing the name of all files in a directory
*/
file.getAllFileNames = function(dir) {
var files = dir.listFiles();
var list = [];
var fileName;
for (var index in files) {
if (files[index].isDirectory()) {
fileName=this.getFileName(files[index].getName());
list.push(fileName);
}
}
return list;
};
/**
* The function returns a list of all sub directories in a given directory
* @param dir The root directory
* @return: An array containing all sub directories
*/
file.getAllSubDirs = function(dir) {
var files = dir.listFiles();
var subDirs = [];
for (var index in files) {
if (files[index].isDirectory()) {
subDirs.push(files[index]);
}
}
return subDirs;
};
}());