Creating a File object out of the contents of jar/zip file

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kotauk@gmail.com - 06 Apr 2006 13:58 GMT

Hi,
How to create a File object of .java file contained in jar/zip file.
For eample i have a zip like test.zip
It has a file mypack.today.MyProg.java

Give the jar file how to create File object of the MyProg.java.

Any pointers would be great help

thanxs
kota

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Fred Kleinschmidt - 06 Apr 2006 15:37 GMT

> Hi,
> How to create a File object of .java file contained in jar/zip file.
[quoted text clipped - 7 lines]
> thanxs
> kota

jar -x filename jarname > retrieved_file

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Fred L. Kleinschmidt
Boeing Associate Technical Fellow
Technical Architect, Software Reuse Project

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kotauk@gmail.com - 06 Apr 2006 16:09 GMT

Hi Fred,
I want to create java.io.File object programatically

thanks
kota

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Roedy Green - 06 Apr 2006 21:36 GMT

> I want to create java.io.File object programatically

new File( ... )
see http://mindprod.com/jgloss/file.html

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Canadian Mind Products, Roedy Green.
http://mindprod.com Java custom programming, consulting and coaching.

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kotauk@gmail.com - 06 Apr 2006 16:10 GMT

Hi Fred,
I want to create java.io.File object programatically while reading
the jar using java.util.jar.JarFile

thanks
kota

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Thomas Fritsch - 06 Apr 2006 17:18 GMT

> I want to create java.io.File object programatically while reading
> the jar using java.util.jar.JarFile

Read <http://java.sun.com/j2se/1.4.2/docs/api/java/util/jar/JarFile.html>.
There is all you need to get an InputStream for reading a zip-entry of the
the jar. Open a FileOutputStream for the destination file. Then copy all
bytes from the InputStream to the FileOutputStream.

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"Thomas:Fritsch$ops.de".replace(':', '.').replace('$', '@')

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Creating a File object out of the contents of jar/zip file

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