Friday, April 15, 2011

JauntePE convert conventional applications into portable applications

JauntePE (a.k.a. JPE) in short, is a freeware application virtualization suite that attempts to convert conventional applications into portable applications. The suite tries to simplify the portable application making process so normal users can use it without having any prior knowledge of programming or scripting languages. The JPE Quickie tool will assist users in setting up the portable package with ease. And several video demos using JPE Quickie are available in the Tutorial section.

JauntePE does not limit your creation. If you are a program developer, you are also allowed to distribute the portable launcher and the JauntePE runtime library along with any programs you create as long as you do not commercially profit from its sale. More detailed information may be found in the JauntePE license in the readme.html.

How does it work?

The JauntePE library uses application virtualization technology to achieve the application portability, without requiring application source code changes. The JauntePE runtime library provides a set of functions for simulating a virtual file system and a virtual registry for the application. The virtual environment presented to the application is a merged view of the underlying physical and virtual resources, thereby allowing the virtualization layer to fool the application into thinking that it is running as if it were fully installed. This is accomplished through a simple technique known as redirection. When an application makes a file system and registry related request, the JauntePE runtime intercepts the request, takes a look at it to see if it needs to be modified, modifies it as necessary, and then passes the request onto the system to complete the processing. Part of the modification of the request may be the changing of a path rooted in a special folder to an equivalent portable path rooted elsewhere or other persistent storage without the application's knowledge.

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