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Posted to users@tomcat.apache.org by Jerry Ford <jf...@katzenjammer.us> on 2004/02/01 23:57:44 UTC
writing a file from a servlet
From a servlet implemented in
tomcat/webapps/myWebapp/WEB-INF/classes/my/package/myWebapp.class, I am
trying to write a config file to the directory myWebapp/conf. The conf
directory does exist; and there are no permissions issues---I can write
the file to the conf directory from the servlet if I hardcode the full path.
The following code works:
FileWriter fwrite;
try
{
fwrite = new
FileWriter("/usr/local/webserver/tomcat/webapps/myWebapp/conf/" +
project + ".conf");
// ...etc.
}
catch(IOException e)
{
// ... etc.
}
But if I change the path in fwrite = new FileWriter() to
../../../../conf/ (making it relative to the class file) or to
/myWebapp/conf/ (relative to tomcat's servlets root; with or without the
leading /) or to conf/ (relative to the myWebapp directory, which is the
docBase declared in the context element in server.xml), I get a
FileNotFound (No such file or directory) exception.
How do I make the path relative to the servlet, so I don't have to hard
code the path?
The app won't be deployed on a public web server, so writing a file to
the server is not a problem, though I would like to have some
flexibility about where things get deployed---may end up on a Windows
machine, may stay on the Linux box. But I want to make that decision
external to the code.
Thanks.
Jerry
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