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From "alexander casassovici (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CB-1533) cannot read file
Date Mon, 24 Sep 2012 18:23:07 GMT
alexander casassovici created CB-1533:
-----------------------------------------

             Summary: cannot read file
                 Key: CB-1533
                 URL: https://issues.apache.org/jira/browse/CB-1533
             Project: Apache Cordova
          Issue Type: Bug
          Components: iOS
    Affects Versions: 2.0.0
         Environment: tested on ios6 in emulator
            Reporter: alexander casassovici
            Assignee: Shazron Abdullah


/////
//summary
////


using documentation, i'm trying to write than read a file
writing works
file is  actually created on fs
when writing, everything goes fine until FileReader.readAsText which does nothing at all...

/////
//example code
////

<!DOCTYPE html>
<html>
  <head>
    <title>FileReader Example</title>

    <script type="text/javascript" charset="utf-8" src="cordova-2.0.0.js"></script>
    <script type="text/javascript" charset="utf-8">

    // Wait for Cordova to load
    //
    document.addEventListener("deviceready", onDeviceReady, false);

    // Cordova is ready
    //
    function onDeviceReady() {
        window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, gotFS_w, fail);
    }

    function gotFS(fileSystem) {
        fileSystem.root.getFile("readme.txt", null, gotFileEntry, fail);
    }

    function gotFileEntry(fileEntry) {
        fileEntry.file(gotFile, fail);
    }

    function gotFile(file){
        readDataUrl(file);
        readAsText(file);
    }

    function readDataUrl(file) {
        var reader = new FileReader();
        reader.onloadend = function(evt) {
            console.log("Read as data URL");
            console.log(evt.target.result);
        };
        reader.readAsDataURL(file);
    }

    function readAsText(file) {
        var reader = new FileReader();
        reader.onloadend = function(evt) {
            console.log("Read as text");
            console.log(evt.target.result);
        };
        reader.readAsText(file);
    }

    function fail(error) {
        console.log(error.code);
    }


     function gotFS_w(fileSystem) {
        fileSystem.root.getFile("readme.txt", {create: true, exclusive: false}, gotFileEntry_w,
fail);
    }

    function gotFileEntry_w(fileEntry) {
        fileEntry.createWriter(gotFileWriter, fail);
    }

    function gotFileWriter(writer) {
        writer.onwriteend = function(evt) {
            console.log("contents of file now 'some sample text'");
            window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, gotFS, fail);
        };
        writer.write("some sample text");
    }

    function fail(error) {
        console.log(error.code);
    }

    </script>
  </head>
  <body>
    <h1>Example</h1>
    <p>Read File</p>
  </body>
</html>


///////
/// log output
//////

2012-09-24 20:16:31.731 Diveboard[39848:c07] Multi-tasking -> Device: YES, App: YES
2012-09-24 20:16:31.745 Diveboard[39848:c07] Application windows are expected to have a root
view controller at the end of application launch
2012-09-24 20:16:31.831 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":"wifi","keepCallback":false}
2012-09-24 20:16:31.832 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('NetworkStatus0',{"status":1,"message":"wifi","keepCallback":false});
2012-09-24 20:16:31.833 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":{"name":"iPhone
Simulator","uuid":"E7446481-3D85-48D5-97F4-E80B6FE034EC","platform":"iPhone Simulator","version":"6.0","cordova":"2.0.0"},"keepCallback":false}
2012-09-24 20:16:31.833 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('Device1',{"status":1,"message":{"name":"iPhone
Simulator","uuid":"E7446481-3D85-48D5-97F4-E80B6FE034EC","platform":"iPhone Simulator","version":"6.0","cordova":"2.0.0"},"keepCallback":false});
2012-09-24 20:16:31.840 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":{"name":"persistent","root":{"name":"Documents","isFile":false,"isDirectory":true,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents"}},"keepCallback":false}
2012-09-24 20:16:31.841 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('File2',{"status":1,"message":{"name":"persistent","root":{"name":"Documents","isFile":false,"isDirectory":true,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents"}},"keepCallback":false});
2012-09-24 20:16:31.842 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":{"name":"readme.txt","isFile":true,"isDirectory":false,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents/readme.txt"},"keepCallback":false}
2012-09-24 20:16:31.842 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('File3',{"status":1,"message":{"name":"readme.txt","isFile":true,"isDirectory":false,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents/readme.txt"},"keepCallback":false});
2012-09-24 20:16:31.843 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":{"type":"","name":"readme.txt","size":16,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents/readme.txt","lastModifiedDate":1348510579000},"keepCallback":false}
2012-09-24 20:16:31.843 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('File4',{"status":1,"message":{"type":"","name":"readme.txt","size":16,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents/readme.txt","lastModifiedDate":1348510579000},"keepCallback":false});
2012-09-24 20:16:31.844 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":16,"keepCallback":false}
2012-09-24 20:16:31.844 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('File5',{"status":1,"message":16,"keepCallback":false});
2012-09-24 20:16:31.845 Diveboard[39848:c07] [INFO] contents of file now 'some sample text'
2012-09-24 20:16:31.846 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":{"name":"persistent","root":{"name":"Documents","isFile":false,"isDirectory":true,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents"}},"keepCallback":false}
2012-09-24 20:16:31.846 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('File6',{"status":1,"message":{"name":"persistent","root":{"name":"Documents","isFile":false,"isDirectory":true,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents"}},"keepCallback":false});
2012-09-24 20:16:31.847 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":{"name":"readme.txt","isFile":true,"isDirectory":false,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents/readme.txt"},"keepCallback":false}
2012-09-24 20:16:31.847 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('File7',{"status":1,"message":{"name":"readme.txt","isFile":true,"isDirectory":false,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents/readme.txt"},"keepCallback":false});
2012-09-24 20:16:31.848 Diveboard[39848:c07] PluginResult:toJSONString - {"status":1,"message":{"type":"","name":"readme.txt","size":16,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents/readme.txt","lastModifiedDate":1348510591000},"keepCallback":false}
2012-09-24 20:16:31.848 Diveboard[39848:c07] PluginResult toSuccessCallbackString: cordova.callbackSuccess('File8',{"status":1,"message":{"type":"","name":"readme.txt","size":16,"fullPath":"/Users/alex/Library/Application
Support/iPhone Simulator/6.0/Applications/980AABAA-FBAD-449A-9D9D-B32EB668D59E/Documents/readme.txt","lastModifiedDate":1348510591000},"keepCallback":false});




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