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package tests.cdi.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.enterprise.inject.spi.BeanManager;
import javax.inject.Inject;
import javax.naming.InitialContext;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(name = "mytest", urlPatterns = { "/myurl" }, initParams = {
@WebInitParam(name = "n1", value = "v1"),
@WebInitParam(name = "n2", value = "v2") })
public class TestServlet extends HttpServlet {
@Inject
TestBean tb;
@Inject
BeanManager bm;
BeanManager bm1;
@Inject
ServletContext sc;
public void service(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException {
PrintWriter writer = res.getWriter();
writer.write("Hello from Servlet 3.0. ");
String msg = "n1=" + getInitParameter("n1") + ", n2="
+ getInitParameter("n2");
if (tb == null)
msg += "Bean injection into Servlet failed";
if (bm == null)
msg += "BeanManager Injection via @Inject failed";
if (sc == null)
msg += "ServletContext Injection via @Inject failed";
String servletContext = tb.m1();
try {
bm1 = (BeanManager) ((new InitialContext())
.lookup("java:comp/BeanManager"));
} catch (Exception ex) {
ex.printStackTrace();
msg += "BeanManager Injection via component environment lookup failed";
}
if (bm1 == null)
msg += "BeanManager Injection via component environment lookup failed";
System.out.println("BeanManager is " + bm);
System.out.println("BeanManager via lookup is " + bm1);
msg = "initParams: " + msg + " Servlet context: " + servletContext + "\n";
writer.write(msg);
}
}