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From "Andreas Sommer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-930) DirectoryReader creates null error code for inaccessible directory
Date Mon, 18 Jun 2012 15:38:42 GMT

    [ https://issues.apache.org/jira/browse/CB-930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13395965#comment-13395965
] 

Andreas Sommer commented on CB-930:
-----------------------------------

This directory is automatically created by Android (2.3.3) on the SD card and contains .asec
files. I think they are apps that were moved to the SD card, so maybe you want to move at
least one app in order to create the directory. You're right, there are no permissions since
it's a FAT filesystem, but I assume the Android operating system automatically applies restrictions
on that directory.

It's fine to not have access, but the error code should be a number as defined in the W3C
file API (https://developer.mozilla.org/en/DOM/File_API/File_System_API/FileError).
                
> DirectoryReader creates null error code for inaccessible directory
> ------------------------------------------------------------------
>
>                 Key: CB-930
>                 URL: https://issues.apache.org/jira/browse/CB-930
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Android
>    Affects Versions: 1.8.1
>            Reporter: Andreas Sommer
>            Assignee: Simon MacDonald
>
> The error callback should follow the FileError specification which defines e.g. SECURITY_ERR=2
as error code. When I try to access file:///mnt/sdcard/.android_secure which is protected
by the OS, I get the error code null.
> Example to reproduce (using Android 4.0 emulator):
> document.addEventListener("deviceready", function() {
>     window.requestFileSystem(
>         LocalFileSystem.PERSISTENT,
>         0,
>         function(fileSystem) {
>             var reader = fileSystem.root.createReader().readEntries(function(entries)
{
>                 for(var i = 0; i < entries.length; ++i)
>                     if(/\.android_secure$/.test(entries[i].fullPath))
>                         entries[i].createReader().readEntries(function(entries) {
>                             for(var i = 0; i < entries.length; ++i) {
>                                 if(entries[i].isDirectory)
>                                     console.log("dir " + entries[i].fullPath)
>                                 else
>                                     console.log("file " + entries[i].fullPath)
>                             }
>                         }, function(err) {
>                             //////////////////////////////////////
>                             // The following error occurs and the JSON representation
is {"code":null}
>                             //////////////////////////////////////
>                             console.log("Failed to read .android_secure directory (error
code " + err.code  +")")
>                             console.log("JSON error: " + Ext.JSON.encode(err))
>                             //////////////////////////////////////
>                         })
>             }, function(err) {
>                 console.log("Failed to read directory entries of " + entry.fullPath +
" (error code " + err.code  +")")
>             })
>         },
>         function(err) {
>             alert("Failed to read file system (error code " + err.code  +")")
>         })
> }, false)

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