3-UseClass.ql

import java


class Context extends  RefType{
    Context(){
        this.hasQualifiedName("javax.naming", "Context")
        or
        this.hasQualifiedName("javax.naming", "InitialContext")
        or
        this.hasQualifiedName("org.springframework.jndi", "JndiCallback")
        or 
        this.hasQualifiedName("org.springframework.jndi", "JndiTemplate")
        or
        this.hasQualifiedName("org.springframework.jndi", "JndiLocatorDelegate")
        or
        this.hasQualifiedName("org.apache.shiro.jndi", "JndiCallback")
        or
        this.getQualifiedName().matches("%JndiCallback")
        or
        this.getQualifiedName().matches("%JndiLocatorDelegate")
        or
        this.getQualifiedName().matches("%JndiTemplate")

    }
}

from ClassInstanceExpr cls
where cls.getType() instanceof Context
select cls.getCaller().getDeclaringType(), cls