[jdom-interest] check if an element exists

Ernesto Reig ernirulez at gmail.com
Wed Jan 17 01:57:56 PST 2007

What could be the easiest way to check if a certain username exists?
I have an xml like this:

   <role rolename="tomcat"/>
   <role rolename="role1"/>
   <role rolename="manager"/>
   <user username="tomcat" password="tomcat" roles="tomcat"/>
   <user username="both" password="tomcat" roles="tomcat,role1"/>
   <user username="role1" password="tomcat" roles="role1"/>

When it comes to check if a certain user with a certain username exists, I
don know an easy way to do that. Can someone help? Thnx.
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