JavaPowUpload 2.1 About

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What is JavaPowUpload?

JavaPowUpload is a Java applet that has been created to exchange the classic Form uploading in a browser. JavaPowUpload works in a browser and can also be placed on a web site easily. It offers lots of new possibilities that are not available during the usual upload via Form.
The most significant possibilities are multiple files and folders uploading, multiple files and folder downloading with resumable download and progress bar function.

JavaPowUpload is a universal control.

JavaPowUpload works in 99% of browsers that are used nowadays (IE, Firefox, Opera, Safari, etc). It is suitable for any OS installed on a client’s computer or a server. JavaPowUpload supports any server script that uploads files: PHP, ASP.NET, Perl and others.
For JavaPowUpload you need only Java Runtime Environment (JRE) installed. JRE like Flash has already been installed on most PCs of internet users or it can be easily downloaded and installed automatically within 1-2 minutes.

Who needs JavaPowUpload?

 JavaPowUpload can be used on any website and adapted by a webmaster without any programming skills. Any company that wants to offer comfortable uploading and downloading of multiple files, folders and images may use JavaPowUpload. It is not necessary for website visitors to install extra software like FTP client or download manager. Most of the problems connected with uploading and downloading can be solved by JavaPowUpload that can be adapted by a webmaster.

Key functions of JavaPowUpload:

Functions for selecting files and folders:

• Selecting multiple files for uploading by Ctrl, Shift or by Ctrl+A hot key.
• Selecting multiple folders (including subdirectories) for uploading.
• Drag-n-drop function for files and folders in JavaPowUpload

Advanced features :

• Resumable upload if Internet connection was broken.
• Very large files upload (10 GB tested).
• Uploading whole file in request or by chunks.
• Independent of request size limits (settings at php.ini, web.config, etc.)

Functions for working with images:

• Image preview in JavaPowUpload interface.
• Manipulations with thumbnails: rotating, cutting and resizing.
• Thumbnail uploading on server after the manipulations.
• It increases the uploading speed and saves from doing the manipulations on server side.

Comfortable and customizable interface:

• Progress bar and detailed information about the uploading process.
  
• Multilingual interface. You may choose any language.
  
• Interface can be changed to your own HTML and javascript code that matches your website style.
  
• Interface applies ready skin pack for all elements of JavaPowUpload control.
  
• Upload and Download in one component of one style.

Possible restrictions:

• It is possible to set a restriction on types of uploaded files and their quantity, for examples, to upload only images.
  
• It is possible to set a maximum size of particular files, all files or to set a quantity of files.

Standards and technologies support:

• JavaPowUpload uses standard RFC1867 for uploading. The same standard is used for uploading via standard Form.
  
• Supports uploading and downloading via HTTP, SSL/HTTPS, FTP, FTPS.
  
• Supports Authentication (Forms, Basic, Windows integrated).
  
• Supports Cookies and Session. JavaPowUpload automaticaly sends all Cookies and SessionID cookie that has web page containing it.
  
• Supports Proxy Servers. Proxy server settings should be configured inside JavaPowUpload.
  

Other notes:

• Uploading Form values at the same request by POST or GET method.
• Gives detailed information about files and their directories. It allows to recreate directory structure on server as a user selected it.
• Possibility to cancel an upload (download) at any time.
• Returns http server reply about successful upload confirmation or errors.
• Access to the file date modified, its name and size information. These data are accessible before uploading and can be uploaded together with the files on the server as well.

JavaPowUpload system requirements

User's side:

• Any browser.
• Any OS.
• Java Runtime Environment version > 1.5.0 (Released by Sun at 2004)
  

Server's side:

• Any OS and web server.
• Standard script which receives files on server. ASP, ASP.NET, PHP, Perl, JSP examples are included.