**In any javaProject in eclipse there we always get .classpath file...like

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
    <classpathentry path="ABC/junit" kind="src"/>
    <classpathentry path="org.eclipse.jdt.launching.JRE_CONTAINER" kind="con"/>
    <classpathentry path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4" kind="con"/>
    <classpathentry path="targets" kind="output"/>
</classpath>

Here when we import any external jar it is giving path of that jar in classpathentry...i want that classpathentry should be from any URL which will provide that external jar...can anyone plz tell me how to do that..actually i want to add external jar automatically from URL(any) when user will import that project in eclipse..i don't want user will manually add external jars..i want to make change .classpath accordingly. Or anyother way to do this automatically. Please help me...Waiting for reply.**