/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2017 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://oss.oracle.com/licenses/CDDL+GPL-1.1
* or LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Set;
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;
import javax.inject.Inject;
import javax.enterprise.inject.Any;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.util.AnnotationLiteral;
import javax.naming.InitialContext;
@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
private transient org.jboss.logging.Logger log;
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";
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";
//Ensure that the OptionalService Bean is not registered.
Set<Bean<?>> optionalServiceBeans = bm.getBeans(TestService.class,new AnnotationLiteral<Any>() {});
boolean optionalServiceAvailable = false;
for (Iterator<Bean<?>> iterator = optionalServiceBeans.iterator(); iterator
.hasNext();) {
Bean<?> b = iterator.next();
System.out.println("-----" + b + " " + b.getClass() + " " + b.getBeanClass().getCanonicalName());
if (b.getBeanClass().getCanonicalName().contains("Optional")) optionalServiceAvailable = true;
}
//The OptionalService Bean was not added to the WAR and hence must not available through the BM.
if (optionalServiceAvailable) msg += "OptionalServiceBean is registered, though it was not included in the WAR";
System.out.println("BeanManager is " + bm);
System.out.println("BeanManager via lookup is " + bm1);
writer.write("initParams: " + msg + "\n");
}
}