appserver/tests/appserv-tests/devtests/cdi/producer-methods/producer-method-qualifiers/servlet/ProducerMethodTestServlet.java

/*
 * Copyright (c) 2010, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

import java.io.IOException;
import java.io.PrintWriter;

import jakarta.inject.Inject;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebInitParam;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

@WebServlet(name = "mytest", urlPatterns = { "/myurl" }, initParams = {
        @WebInitParam(name = "n1", value = "v1"),
        @WebInitParam(name = "n2", value = "v2") })
public class ProducerMethodTestServlet extends HttpServlet {
    @Inject
    TestBean tb;

    @Inject
    @RandomLessThanOrEqualToHundred
    int randomNumber;

    @Inject
    @RandomLessThanOrEqualToHundred
    int randomNumber2;

    @Inject
    @RandomGreaterThanHundred
    int randomNumber3;

    @Inject
    @RandomGreaterThanHundred
    int randomNumber4;

    @Inject
    int rng;

    public void service(HttpServletRequest req, HttpServletResponse res)
            throws IOException, ServletException {
        System.out.println("RandomNumbers are " + randomNumber + ","
                + randomNumber2 + "," + randomNumber3 + "," + randomNumber4);

        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";
        boolean randomNumberTestSuccess = (randomNumber < 101)
                && (randomNumber2 < 100) && (randomNumber3 > 100)
                && (randomNumber3 > 100);
        if (!randomNumberTestSuccess) {
            msg += "RandomNumber Producer Test Failed";
        }
        if (!tb.testProducerMethod()) {
            msg += "Producer Method to dynamically select a bean type implementation failed";
        }
        writer.write("initParams: " + msg + "\n");
    }
}