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Copy files from a source to a target using Titanium as a platform
import os.path
def check(mypath):
return os.path.isfile(mypath)
/**
* Class name: FileUtils.js
* Author: Codeboxed
* URL: http://www.codeboxed.com
* Date: March 5, 2011
* Platform: Titanium
*/
var FileUtils = function (){
var appDataDir = Titanium.Filesystem.getApplicationDataDirectory();
var appResDir = Titanium.Filesystem.getResourcesDirectory();
var separator = Titanium.Filesystem.getSeparator();
/**
* Private method used to get the directory based on the path
* @param {string} pathName The static path names that can be found in this function
* @returns Titanium.Filesystem
*/
var getLocationForPathName = function(pathName) {
var location = null;
switch(pathName) {
case 'APP_DATA_DIR':
location = appDataDir;
break;
case 'APP_RESOURCE_DIR':
location = appResDir;
break;
default:
location = pathName;
//console.warn('Path name '+pathName+' is not guaranteed to work!');
}
return location;
};
/**
* Check to see if a given filename exists
* @param {string} fileName The query string that needs to be executed on the table
* @param {string} where The loction where to serach for the file (e.g. 'APP_DATA_DIR' )
* @returns {boolean} true or false
*/
var fileExists = function (fileName, where){
var location = getLocationForPathName(where)+separator+fileName;
return check(location); //the check function comes from the python file
};
/**
* Method used to copy a file form a location to another location
* @param {string} fileName The name of the file to be copied
* @param {string} from The location of the file
* @param {string} to The target where the file will be copied
* @param {boolean} check Check to see if the file exists
* @param {boolean} overwrite If true, it overwrites the file
*/
var cloneFile = function (fileName, from, to, check, overwrite){
var parent = getLocationForPathName(from);
var target = getLocationForPathName(to);
var checkExistance = false;
if (check == true) {
checkExistance = fileExists(fileName, to);
}
if (checkExistance) {
if (overwrite == true) {
Titanium.Filesystem.asyncCopy(
[Titanium.Filesystem.getFile(parent, fileName)],
target,
function(index, total){ //CALLBACK FUNCTION
//alert("Copied " + index + "out of " + total + "files so far.");
});
console.log('file existed - overwritten');
}
console.log('file exists - NOT overwritten');
} else {
Titanium.Filesystem.asyncCopy(
[Titanium.Filesystem.getFile(parent, fileName)],
target,
function(index, total){ //CALLBACK FUNCTION
//alert("Copied " + index + "out of " + total + "files so far.");
});
console.log('file did not existed - copied');
}
};
return {
checkFile: function(fileName, target) {
return fileExists(fileName, target);
},
copyFile: function(fileName, from, to, check, overwrite) {
return cloneFile(fileName, from, to, check, overwrite);
}
};
};
//HOW TO USE
var fileUtils = new FileUtils();
var filePresence = fileUtils.checkFile('test.db', 'APP_DATA_DIR');
fileUtils.copyFile('test.db', 'APP_RESOURCE_DIR', 'APP_DATA_DIR', true, false);
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