JarFile from inside a *.jar or inputstream to file?

Question

I have a jar or war.

I\'m programmaticaly reading this jar, and when I find jar inside this jar I\'d like to programmaticaly read it again.

But JarFile prov

Answer 1

you can create jar file in File System, something like

 File tempFile=TempFile.createFile("newJar",".jar");

and write Stream into it. After that you can construct your JarFile(tempFile) and handle it...

Forget about it if program is running as unsigned applet/JNLP since you will not have right to create file in file system...