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//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package com.acme.test;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.annotation.Resource;
import javax.annotation.security.DeclareRoles;
import javax.annotation.security.RunAs;
import javax.naming.InitialContext;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
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.sql.DataSource;
import javax.transaction.UserTransaction;
/**
* AnnotationTest
*
* Use Annotations from within Jetty.
*
* Also, use servlet spec 2.5 resource injection and lifecycle callbacks from within the web.xml
* to set up some of the JNDI resources.
*
*/
@RunAs("special")
@WebServlet(urlPatterns = {"/","/test/*"}, name="AnnotationTest", initParams={@WebInitParam(name="fromAnnotation", value="xyz")})
@DeclareRoles({"user","client"})
public class AnnotationTest extends HttpServlet
{
static List<String> __HandlesTypes;
private String postConstructResult = "";
private String dsResult = "";
private String envResult = "";
private String envLookupResult = "";
private String envResult2 ="";
private String envLookupResult2 = "";
private String envResult3 = "";
private String envLookupResult3 = "";
private String dsLookupResult = "";
private String txResult = "";
private String txLookupResult = "";
private DataSource myDS;
private ServletConfig config;
@Resource(mappedName="UserTransaction")
private UserTransaction myUserTransaction;
@Resource(mappedName="maxAmount")
private Double maxAmount;
@Resource(name="someAmount")
private Double minAmount;
@Resource
private Double avgAmount;
@Resource(mappedName="jdbc/mydatasource")
public void setMyDatasource(DataSource ds)
{
myDS=ds;
}
@PostConstruct
private void myPostConstructMethod ()
{
postConstructResult = "<span class=\"pass\">PASS</span>";
try
{
dsResult = (myDS==null?"<span class=\"fail\">FAIL</span>":"<span class=\"pass\">myDS="+myDS.toString()+"</span>");
}
catch (Exception e)
{
dsResult = "<span class=\"fail\">FAIL:</span> "+e;
}
envResult = (maxAmount==null?"FAIL</span>":"<span class=\"pass\">maxAmount="+maxAmount.toString()+"</span>");
try
{
InitialContext ic = new InitialContext();
envLookupResult = "java:comp/env/com.acme.test.AnnotationTest/maxAmount="+ic.lookup("java:comp/env/com.acme.test.AnnotationTest/maxAmount");
}
catch (Exception e)
{
envLookupResult = "<span class=\"fail\">FAIL:</span> "+e;
}
envResult2 = (minAmount==null?"<span class=\"fail\">FAIL</span>":"<span class=\"pass\">minAmount="+minAmount.toString()+"</span>");
try
{
InitialContext ic = new InitialContext();
envLookupResult2 = "java:comp/env/someAmount="+ic.lookup("java:comp/env/someAmount");
}
catch (Exception e)
{
envLookupResult2 = "<span class=\"fail\">FAIL:</span> "+e;
}
envResult3 = (minAmount==null?"<span class=\"fail\">FAIL</span>":"<span class=\"pass\">avgAmount="+avgAmount.toString()+"</span>");
try
{
InitialContext ic = new InitialContext();
envLookupResult3 = "java:comp/env/com.acme.test.AnnotationTest/avgAmount="+ic.lookup("java:comp/env/com.acme.test.AnnotationTest/avgAmount");
}
catch (Exception e)
{
envLookupResult3 = "<span class=\"fail\">FAIL:</span> "+e;
}
try
{
InitialContext ic = new InitialContext();
dsLookupResult = "java:comp/env/com.acme.test.AnnotationTest/myDatasource="+ic.lookup("java:comp/env/com.acme.test.AnnotationTest/myDatasource");
}
catch (Exception e)
{
dsLookupResult = "<span class=\"fail\">FAIL:</span> "+e;
}
txResult = (myUserTransaction==null?"<span class=\"fail\">FAIL</span>":"<span class=\"pass\">myUserTransaction="+myUserTransaction+"</span>");
try
{
InitialContext ic = new InitialContext();
txLookupResult = "java:comp/env/com.acme.test.AnnotationTest/myUserTransaction="+ic.lookup("java:comp/env/com.acme.test.AnnotationTest/myUserTransaction");
}
catch (Exception e)
{
txLookupResult = "<span class=\"fail\">FAIL:</span> "+e;
}
}
@PreDestroy
private void myPreDestroyMethod()
{
}
public void init(ServletConfig config) throws ServletException
{
super.init(config);
this.config = config;
}
/* ------------------------------------------------------------ */
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
doGet(request, response);
}
/* ------------------------------------------------------------ */
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
try
{
response.setContentType("text/html");
ServletOutputStream out = response.getOutputStream();
out.println("<html>");
out.println("<HEAD><link rel=\"stylesheet\" type=\"text/css\" href=\"stylesheet.css\"/></HEAD>");
out.println("<body>");
out.println("<h1>Results</h1>");
out.println("<h2>Init Params from Annotation</h2>");
out.println("<pre>");
out.println("initParams={@WebInitParam(name=\"fromAnnotation\", value=\"xyz\")}");
out.println("</pre>");
out.println("<p><b>Result: "+("xyz".equals(config.getInitParameter("fromAnnotation"))? "<span class=\"pass\">PASS": "<span class=\"fail\">FAIL")+"</span></p>");
out.println("<h2>Init Params from web-fragment</h2>");
out.println("<pre>");
out.println("extra1=123, extra2=345");
out.println("</pre>");
boolean fragInitParamResult = "123".equals(config.getInitParameter("extra1")) && "345".equals(config.getInitParameter("extra2"));
out.println("<p><b>Result: "+(fragInitParamResult? "<span class=\"pass\">PASS": "<span class=\"fail\">FAIL")+"</span></p>");
__HandlesTypes = Arrays.asList( "javax.servlet.GenericServlet",
"javax.servlet.http.HttpServlet",
"com.acme.test.AsyncListenerServlet",
"com.acme.test.AnnotationTest",
"com.acme.test.RoleAnnotationTest",
"com.acme.test.MultiPartTest",
"com.acme.fragment.FragmentServlet",
"com.acme.test.TestListener",
"com.acme.test.SecuredServlet",
"com.acme.test.Bar");
out.println("<h2>@ContainerInitializer</h2>");
out.println("<pre>");
out.println("@HandlesTypes({javax.servlet.Servlet.class, Foo.class})");
out.println("</pre>");
out.print("<p><b>Result: ");
List<Class> classes = (List<Class>)config.getServletContext().getAttribute("com.acme.Foo");
List<String> classNames = new ArrayList<String>();
if (classes != null)
{
for (Class c: classes)
{
classNames.add(c.getName());
out.print(c.getName()+" ");
}
if (classNames.size() != __HandlesTypes.size())
out.println("<br/><span class=\"fail\">FAIL</span>");
else if (!classNames.containsAll(__HandlesTypes))
out.println("<br/><span class=\"fail\">FAIL</span>");
else
out.println("<br/><span class=\"pass\">PASS</span>");
}
else
out.print("<br/><span class=\"fail\">FAIL</span> (No such attribute com.acme.Foo)");
out.println("</b></p>");
out.println("<h2>Complete Servlet Registration</h2>");
Boolean complete = (Boolean)config.getServletContext().getAttribute("com.acme.AnnotationTest.complete");
out.println("<p><b>Result: "+(complete.booleanValue()?"<span class=\"pass\">PASS":"<span class=\"fail\">FAIL")+"</span></b></p>");
out.println("<h2>ServletContextListener Programmatic Registration from ServletContainerInitializer</h2>");
Boolean programmaticListener = (Boolean)config.getServletContext().getAttribute("com.acme.AnnotationTest.listenerTest");
out.println("<p><b>Result: "+(programmaticListener.booleanValue()?"<span class=\"pass\">PASS":"<span class=\"fail\">FAIL")+"</span></b></p>");
out.println("<h2>ServletContextListener Programmatic Registration Prevented from ServletContextListener</h2>");
Boolean programmaticListenerPrevention = (Boolean)config.getServletContext().getAttribute("com.acme.AnnotationTest.listenerRegoTest");
out.println("<p><b>Result: "+(programmaticListenerPrevention.booleanValue()?"<span class=\"pass\">PASS":"<span class=\"fail\">FAIL")+"</span></b></p>");
out.println("<h2>ServletContextListener Registration Prevented from ServletContextListener</h2>");
Boolean webListenerPrevention = (Boolean)config.getServletContext().getAttribute("com.acme.AnnotationTest.sclFromSclRegoTest");
out.println("<p><b>Result: "+(webListenerPrevention.booleanValue()?"<span class=\"pass\">PASS":"<span class=\"fail\">FAIL")+"</span></b></p>");
out.println("<h2>ServletContextListener In web.xml Injected</h2>");
Boolean listenerInject = (Boolean)config.getServletContext().getAttribute("com.acme.AnnotationTest.sclInjectTest");
out.println("<p><b>Result: "+(listenerInject.booleanValue()?"<span class=\"pass\">PASS":"<span class=\"fail\">FAIL")+"</span></b></p>");
out.println("<h2>ServletContextListener as @WebListener Injected</h2>");
Boolean annotatedListenerInject = (Boolean)config.getServletContext().getAttribute("com.acme.AnnotationTest.sclInjectWebListenerTest");
out.println("<p><b>Result: "+(annotatedListenerInject.booleanValue()?"<span class=\"pass\">PASS":"<span class=\"fail\">FAIL")+"</span></b></p>");
out.println("<h2>Programmatic Listener Injected</h2>");
Boolean programListenerInject = (Boolean)config.getServletContext().getAttribute("com.acme.AnnotationTest.programListenerInjectTest");
out.println("<p><b>Result: "+(programListenerInject.booleanValue()?"<span class=\"pass\">PASS":"<span class=\"fail\">FAIL")+"</span></b></p>");
out.println("<h2>Invalid Type for Listener Detection</h2>");
Boolean badListener = (Boolean)config.getServletContext().getAttribute("com.acme.AnnotationTest.invalidListenerRegoTest");
out.println("<p><b>Result: "+(badListener.booleanValue()?"<span class=\"pass\">PASS":"<span class=\"fail\">FAIL")+"</span></b></p>");
out.println("<h2>@PostConstruct Callback</h2>");
out.println("<pre>");
out.println("@PostConstruct");
out.println("private void myPostConstructMethod ()");
out.println("{}");
out.println("</pre>");
out.println("<p><b>Result: "+postConstructResult+"</b></p>");
out.println("<h2>@Resource Injection for DataSource</h2>");
out.println("<pre>");
out.println("@Resource(mappedName=\"jdbc/mydatasource\");");
out.println("public void setMyDatasource(DataSource ds)");
out.println("{");
out.println("myDS=ds;");
out.println("}");
out.println("</pre>");
out.println("<p><b>Result: "+dsResult+"</b>");
out.println("<br/><b>JNDI Lookup Result: "+dsLookupResult+"</b></p>");
out.println("<h2>@Resource Injection for env-entry </h2>");
out.println("<pre>");
out.println("@Resource(mappedName=\"maxAmount\")");
out.println("private Double maxAmount;");
out.println("@Resource(name=\"minAmount\")");
out.println("private Double minAmount;");
out.println("</pre>");
if (maxAmount==null)
out.println("<p><b>Result: "+envResult+": <span class=\"fail\">FAIL");
else
out.println("<p><b>Result: "+envResult+": "+(maxAmount.compareTo(new Double(55))==0?" <span class=\"pass\">PASS":" <span class=\"fail\">FAIL")+"</span></b>");
out.println("<br/><b>JNDI Lookup Result: "+envLookupResult+"</b>");
if (minAmount==null)
out.println("<p><b>Result: "+envResult2+": <span class=\"fail\">FAIL");
else
out.println("<br/><b>Result: "+envResult2+": "+(minAmount.compareTo(new Double("0.99"))==0?" <span class=\"pass\">PASS":" <span class=\"fail\">FAIL")+"</span></b>");
out.println("<br/><b>JNDI Lookup Result: "+envLookupResult2+"</b>");
if (avgAmount==null)
out.println("<p><b>Result: "+envResult3+": <span class=\"fail\">FAIL");
else
out.println("<br/><b>Result: "+envResult3+": "+(avgAmount.compareTo(new Double("1.25"))==0?" <span class=\"pass\">PASS":" <span class=\"fail\">FAIL")+"</span></b>");
out.println("<br/><b>JNDI Lookup Result: "+envLookupResult3+"</b></p>");
out.println("<h2>@Resource Injection for UserTransaction </h2>");
out.println("<pre>");
out.println("@Resource(mappedName=\"UserTransaction\")");
out.println("private UserTransaction myUserTransaction;");
out.println("</pre>");
out.println("<p><b>Result: "+txResult+"</b>");
out.println("<br/><b>JNDI Lookup Result: "+txLookupResult+"</b></p>");
out.println("</body>");
out.println("</html>");
out.flush();
}
catch (Exception e)
{
throw new ServletException(e);
}
}
}
|
