Creation of war ,jar ,ear usign ant

HI,
I have a three portal project. using Jdeveloper i create a ear file for deployment. this ear contains adfm.xml in meta-inf and a war.
this war contain all three project java compile code and jsf/jsp stuff in webinf . In webinf lib folder apart from other jar files , it also create two jar of one of the two project and put in lib folder..
I want to do all the above steps using ANT...
i tried that , I compile all the java code and copy in location and copy other jsp/jsf tooo... and able to create a ear file containing war and jar...
the difference i m seeing which is actaully a issue is runtime creation of some files and modification of some files when we create ear from Jdeveloper , which is not happening with ant....
life adfm.xml which is found in all three project and while creatiing it ear using JD it merge all threee and put one in ear metainf folder ..
same for jar creation , jar-adf-config.xml,jar-connections.xml which is not a part of source code and generate at the time of jar creation using JD....
same for MANIFEST.MF,oracle.adf.common.services.ResourceService.sva for jar creation and AutoGeneratedMar in ear creation
I don;t know how should i create /update these files using ANT..
Can some body please help,sugesst..
thank
anagh
Edited by: Anagh on Oct 11, 2011 12:18 AM

for better understanding on ant script to create and manage all war ,jar and ear activities-
follow the below links -
http://biemond.blogspot.com/2009/04/weblogic-jdeveloper-ant-tasks.html
http://www.google.co.in/url?sa=t&source=web&cd=6&ved=0CEkQFjAF&url=http%3A%2F%2Fone-size-doesnt-fit-all.blogspot.com%2F2007%2F02%2Fjdeveloper-script-mastery-with-ant.html&rct=j&q=jdeveloper%2011g%20ant%20&ei=HgqUTuvfEJDrrQed4pW6Bg&usg=AFQjCNH5Qe3luLFtC9YeT1DfF8R0qVaUjQ&cad=rja

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Help in understanding creation of a jar file

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PS:Reward pts

Creation of war ,jar ,ear usign ant

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