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Updated the FileSystem APIs as per review comments.

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This commit is contained in:
atanasovg
2014-04-28 15:56:29 +03:00
parent ca4c04badc
commit aa77546c80
5 changed files with 235 additions and 116 deletions
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135
FileSystem/file_system_access.ios.ts
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@ -114,48 +114,38 @@ export class FileSystemAccess {
}
}
public enumFiles(path: string, onSuccess: (files: Array<{ path: string; name: string; extension: string }>) => any, onError?: (error: any) => any) {
try {
var fileManager = Foundation.NSFileManager.defaultManager();
var files = fileManager.contentsOfDirectoryAtPathError(path, null);
if (!files) {
if (onError) {
onError(new Error("Failed to enum files for forlder '" + path + "'"));
}
return;
}
var fileInfos = new Array<{ path: string; name: string; extension: string }>();
var file,
i,
info;
for (i = 0; i < files.count(); i++) {
file = files.objectAtIndex(i);
info = {
path: this.concatPath(path, file),
name: file
};
if (!this.folderExists(file)) {
info.extension = this.getFileExtension(info.path);
}
fileInfos.push(info);
}
if (onSuccess) {
onSuccess(fileInfos);
}
public eachEntity(path: string, onEntity: (file: { path: string; name: string; extension: string }) => any, onError?: (error: any) => any) {
if (!onEntity) {
return;
}
catch (ex) {
this.enumEntities(path, onEntity, onError);
}
public getEntities(path: string, onSuccess: (files: Array<{ path: string; name: string; extension: string }>) => any, onError?: (error: any) => any) {
if (!onSuccess) {
return;
}
var fileInfos = new Array<{ path: string; name: string; extension: string }>();
var onEntity = function (entity: { path: string; name: string; extension: string }): boolean {
fileInfos.push(entity);
return true;
}
var errorOccurred;
var localError = function (error: any) {
if (onError) {
onError(ex);
onError(error);
}
errorOccurred = true;
}
this.enumEntities(path, onEntity, onError);
if (!errorOccurred) {
onSuccess(fileInfos);
}
}
@ -213,7 +203,7 @@ export class FileSystemAccess {
}
}
this.enumFiles(path, filesEnum, onError);
this.getEntities(path, filesEnum, onError);
}
public rename(path: string, newPath: string, onSuccess?: () => any, onError?: (error: any) => any) {
@ -267,9 +257,24 @@ export class FileSystemAccess {
return url.path();
}
// TODO: This method is the same as in the iOS implementation.
// Make it in a separate file / module so it can be reused from both implementations.
private getFileExtension(path: string): string {
var url = Foundation.NSURL.fileURLWithPathIsDirectory(path, false);
return url.pathExtension();
// TODO [For Panata]: The definitions currently specify "any" as a return value of this method
//var nsString = Foundation.NSString.stringWithString(path);
//var extension = nsString.pathExtension();
//if (extension && extension.length > 0) {
// extension = extension.concat(".", extension);
//}
//return extension;
var dotIndex = path.lastIndexOf(".");
if (dotIndex && dotIndex >= 0 && dotIndex < path.length) {
return path.substring(dotIndex);
}
return "";
}
private deleteEntity(path: string, onSuccess?: () => any, onError?: (error: any) => any) {
@ -284,4 +289,50 @@ export class FileSystemAccess {
}
}
}
private enumEntities(path: string, callback: (entity: { path: string; name: string; extension: string }) => boolean, onError?: (error) => any) {
try {
var fileManager = Foundation.NSFileManager.defaultManager();
var files = fileManager.contentsOfDirectoryAtPathError(path, null);
if (!files) {
if (onError) {
onError(new Error("Failed to enum files for forlder '" + path + "'"));
}
return;
}
var fileInfos = new Array<{ path: string; name: string; extension: string }>();
var file,
i,
info,
retVal;
for (i = 0; i < files.count(); i++) {
file = files.objectAtIndex(i);
info = {
path: this.concatPath(path, file),
name: file
};
if (!this.folderExists(file)) {
info.extension = this.getFileExtension(info.path);
}
retVal = callback(info);
if (retVal != undefined && !retVal) {
// the callback returned false meaning we should stop the iteration
break;
}
}
}
catch (ex) {
if (onError) {
onError(ex);
}
}
}
}