How to get LastModified time of a file in repository(in weblogic8 and Compa

hi ,
my task is that i have to compare modified time of 2 file.one is in file system other is database file . which is most recently updated (which is newer).
details :
we have to check that which file is most recently updated .if database 's file is newer then we copy that file in to file system other wise we keep file system 's file as it is till database file is not updated
so that we can put the latest data in cache(which is in file system ) so we need not to access database again and again we just get data from our cache(or file system).
technical Detail:
my task is that i have to compare cache's file and repository's file . which is most recently updated (which is newer).
in all i have to done in weblogic server 8.2 's repository and file system(cache) .
i want to know that how we can check that when the file in repository last modified.
i want to check that node content of a particular repository (file /image/any data ) last modified by anyone , so that i can put the latest data in cache if cache 's file modified time
is less then repository's file modified .other wise no need to copy all file/data again and again ,if no modification .

If the file is in the resource path of a webapplication, then you can use
          URL u = servletContext.getResource("path/to/resource");
          URLConnection connection = u.openConnection();
          connection.getLastModified()
          If the webapp is exploded, then you can use the getRealPath() on servletContext to get the absolute path on the disk and create a File, then invoke lastModified() to get its timestamp.
          -- Nagesh

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    hi ,
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    in i have to done in weblogic server 8.2 's repository and file system(cache) .
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    i want to know that how we can check that when the file in repository last modified.
    i want to check that node content of a particular repository (file /image/any data ) last modified
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    Cross posted
    http://forum.java.sun.com/thread.jspa?threadID=5126507

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