Mega Code Archive
Web JNDI
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import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class WebJndiServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, java.io.IOException {
String state = request.getParameter("state");
Context env = null;
Abbrev abbrev = null;
AbbrevHome home = null;
try {
env = (Context) new InitialContext();
Object localH = env.lookup("AbbrevHome");
home = (AbbrevHome) PortableRemoteObject.narrow(localH,
AbbrevHome.class);
//close the InitialContext
env.close();
if (home == null)
throw new ServletException(
"AbbrevHome is an unknown JNDI object");
abbrev = (Abbrev) PortableRemoteObject.narrow(home.create(),
Abbrev.class);
} catch (NamingException ne) {
try {
env.close();
} catch (NamingException nex) {
}
throw new ServletException(ne);
} catch (javax.ejb.CreateException ce) {
throw new ServletException(ce);
}
//set the MIME type of the response, "text/html"
response.setContentType("text/html");
//use a PrintWriter send text data to the client who has requested the
// servlet
java.io.PrintWriter out = response.getWriter();
//Begin assembling the HTML content
out.println("<html><head>");
out.println("<title>State abbreviations</title></head><body>");
out.println("<h2>Here is the state's abbreviation</h2>");
if (state != null)
out.println(abbrev.getAbbreviation(state.toUpperCase()));
try {
abbrev.remove();
} catch (javax.ejb.RemoveException re) {
}
out.println("</body></html>");
out.close();
} //end doGet
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, java.io.IOException {
doGet(request, response);
}// doPost
}//BeanServlet
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