You should consider the creator and type properties to be considered deprecated. They apply to older versions of Mac OS. The date that the file on the local disk was last modified. The name of the file on the local disk. If the FileReference object was not populated by a valid call to FileReference.
All the properties of a FileReference object are populated by calling the browse method. Unlike other FileReference properties, if you call the download method, the name property is populated when the select event is dispatched. The size of the file on the local disk in bytes.
Note: In the initial version of ActionScript 3. It is now implemented as a Number object to support larger files. The file type. In Windows or Linux, this property is the file extension. For Windows, Linux, and Mac OS X, the file extension — the portion of the name property that follows the last occurrence of the dot. Creates a new FileReference object. When populated, a FileReference object represents a file on the user's local disk. Displays a file-browsing dialog box that lets the user select a file to upload.
The dialog box is native to the user's operating system. The user can select a file on the local computer or from other systems, for example, through a UNC path on Windows. Note: The File class, available in Adobe AIR, includes methods for accessing more specific system file selection dialog boxes. These methods are File.
When you call this method and the user successfully selects a file, the properties of this FileReference object are populated with the properties of that file. Each subsequent time that the FileReference. Only one browse or download session can be performed at a time because only one dialog box can be invoked at a time. Using the typeFilter parameter, you can determine which files the dialog box displays.
In Flash Player 10 and Flash Player 9 Update 5, you can only call this method successfully in response to a user event for example, in an event handler for a mouse click or keypress event. Otherwise, calling this method results in Flash Player throwing an Error exception. In Adobe AIR, the file-browsing dialog is not always displayed in front of windows that are "owned" by another window windows that have a non-null owner property.
To avoid window ordering issues, hide owned windows before calling this method. If you omit this parameter, all files are displayed. For more information, see the FileFilter class. Cancels any ongoing upload or download operation on this FileReference object. Calling this method does not dispatch the cancel event; that event is dispatched only when the user cancels the operation by dismissing the file upload or download dialog box.
Opens a dialog box that lets the user download a file from a remote server. Although Flash Player has no restriction on the size of files you can upload or download, the player officially supports uploads or downloads of up to MB.
The download method first opens an operating-system dialog box that asks the user to enter a filename and select a location on the local computer to save the file. When the user selects a location and confirms the download operation for example, by clicking Save , the download from the remote server begins.
Listeners receive events to indicate the progress, success, or failure of the download. To ascertain the status of the dialog box and the download operation after calling download , your code must listen for events such as cancel , open , progress , and complete.
These functions return after they are called, before the file transmission is complete. In addition, if the FileReference object goes out of scope, any upload or download that is not yet completed on that object is canceled upon leaving the scope. Be sure that your FileReference object remains in scope for as long as the upload or download is expected to continue.
When the file is downloaded successfully, the properties of the FileReference object are populated with the properties of the local file. The complete event is dispatched if the download is successful.
You cannot connect to commonly reserved ports. Note : If your server requires user authentication, only SWF files running in a browser — that is, using the browser plug-in or ActiveX control — can provide a dialog box to prompt the user for a user name and password for authentication, and only for downloads.
For uploads using the plug-in or ActiveX control, or for uploads and downloads using the stand-alone or external player, the file transfer fails. However, in Adobe AIR, content in the application security sandbox content installed with the AIR application is not restricted by these security limitations. When you download a file using this method, it is flagged as downloaded on operating systems that flag downloaded files:.
In Adobe AIR, the download dialog is not always displayed in front of windows that are "owned" by another window windows that have a non-null owner property.
If this parameter is null , an exception is thrown. On some browsers, URL strings are limited in length. Lengths greater than characters may fail on some browsers or servers. If you omit this parameter, the filename of the remote URL is parsed and used as the default.
Starts the load of a local file selected by a user. Although Flash Player has no restriction on the size of files you can upload, download, load or save, it officially supports sizes of up to MB. For content running in Flash Player, you must call the FileReference. However, content running in AIR in the application sandbox can call the load method of a File object without first calling the browse method.
Listeners receive events to indicate the progress, success, or failure of the load. Although you can use the FileReferenceList object to let users select multiple files to load, you must load the files one by one.
To load the files one by one, iterate through the FileReferenceList. In addition, if the FileReference object goes out of scope, any transaction that is not yet completed on that object is canceled upon leaving the scope.
Be sure that your FileReference object remains in scope for as long as the upload, download, load or save is expected to continue. If the file finishes loading successfully, its contents are stored as a byte array in the data property of the FileReference object. Otherwise, the application throws a runtime error code Previous versions of Flash Player or AIR are unaffected by this restriction on simultaneous multiple operations. Opens a dialog box that lets the user save a file to the local filesystem.
Although Flash Player has no restriction on the size of files you can upload, download, load or save, the player officially supports sizes of up to MB. The save method first opens an operating-system dialog box that asks the user to enter a filename and select a location on the local computer to save the file. When the user selects a location and confirms the save operation for example, by clicking Save , the save process begins.
Listeners receive events to indicate the progress, success, or failure of the save operation. To ascertain the status of the dialog box and the save operation after calling save , your code must listen for events such as cancel , open , progress , and complete. When the file is saved successfully, the properties of the FileReference object are populated with the properties of the local file. The complete event is dispatched if the save is successful.
Only one browse or save session can be performed at a time because only one dialog box can be invoked at a time. In Flash Player, you can only call this method successfully in response to a user event for example, in an event handler for a mouse click or keypress event. This limitation does not apply to AIR content in the application sandbox. In Adobe AIR, the save dialog is not always displayed in front of windows that are "owned" by another window windows that have a non-null owner property.
The data can be in one of several formats, and will be treated appropriately: If the value is null , the application throws an ArgumentError exception.
If the value is a String, it is saved as a UTF-8 text file. If the value is a ByteArray object, it is written to a data file verbatim.
If the value is none of the above, the save method calls the toString method of the object to convert the data to a string, and it then saves the data as a text file. If that fails, the application throws an ArgumentError exception.
Starts the upload of the file to a remote server. You must call the FileReference. For the FileReference class used in Flash Player , the user must first select a file.
Listeners receive events to indicate the progress, success, or failure of the upload. Although you can use the FileReferenceList object to let users select multiple files for upload, you must upload the files one by one; to do so, iterate through the FileReferenceList. The file is uploaded to the URL passed in the url parameter.
The URL must be a server script configured to accept uploads. The server script that handles the upload should expect a POST request with the following elements:.
If the testUpload parameter is true , and the file to be uploaded is bigger than approximately 10 KB, Flash Player on Windows first sends a test upload POST operation with zero content before uploading the actual file, to verify that the transmission is likely to succeed. Note : If your server requires user authentication, only SWF files running in a browser — that is, using the browser plug-in or ActiveX control — can provide a dialog box to prompt the user for a username and password for authentication, and only for downloads.
However, in Adobe AIR, content in the application security sandbox content installed with the AIR application are not restricted by these security limitations. Initiate uploading a file to a URL without any encoding. Whereas the upload method encodes the file in a form-data envelope, the uploadUnencoded method passes the file contents as-is in the HTTP request body. Upload file to server in as3 Ask Question. Asked 9 years, 4 months ago. Active 9 years, 4 months ago. Viewed 6k times.
Any idea! Improve this question. Imran Imran 1, 15 15 silver badges 31 31 bronze badges. Add a comment. Active Oldest Votes. POST; urlRequest. Improve this answer. Michael Michael 3, 1 1 gold badge 14 14 silver badges 26 26 bronze badges.
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