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ServletContextHandlerTest.java
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ServletContextHandlerTest.java
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//
// ========================================================================
// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under
// the terms of the Eclipse Public License 2.0 which is available at
// https://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:
// the Apache License v2.0 which is available at
// https://www.apache.org/licenses/LICENSE-2.0
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumSet;
import java.util.EventListener;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import javax.servlet.DispatcherType;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.FilterRegistration;
import javax.servlet.GenericServlet;
import javax.servlet.Servlet;
import javax.servlet.ServletContainerInitializer;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextAttributeEvent;
import javax.servlet.ServletContextAttributeListener;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;
import javax.servlet.ServletRequest;
import javax.servlet.ServletRequestAttributeEvent;
import javax.servlet.ServletRequestAttributeListener;
import javax.servlet.ServletRequestEvent;
import javax.servlet.ServletRequestListener;
import javax.servlet.ServletResponse;
import javax.servlet.SessionTrackingMode;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionAttributeListener;
import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionIdListener;
import javax.servlet.http.HttpSessionListener;
import org.eclipse.jetty.logging.StacklessLogging;
import org.eclipse.jetty.security.ConstraintSecurityHandler;
import org.eclipse.jetty.security.RoleInfo;
import org.eclipse.jetty.security.SecurityHandler;
import org.eclipse.jetty.server.LocalConnector;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Response;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.UserIdentity;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.eclipse.jetty.server.handler.AbstractHandlerContainer;
import org.eclipse.jetty.server.handler.ContextHandler;
import org.eclipse.jetty.server.handler.ContextHandlerCollection;
import org.eclipse.jetty.server.handler.HandlerList;
import org.eclipse.jetty.server.handler.HandlerWrapper;
import org.eclipse.jetty.server.handler.ResourceHandler;
import org.eclipse.jetty.server.session.SessionHandler;
import org.eclipse.jetty.util.DecoratedObjectFactory;
import org.eclipse.jetty.util.Decorator;
import org.eclipse.jetty.util.component.AbstractLifeCycle;
import org.hamcrest.Matchers;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
public class ServletContextHandlerTest
{
private Server _server;
private LocalConnector _connector;
private static final AtomicInteger __testServlets = new AtomicInteger();
private static int __initIndex = 0;
private static int __destroyIndex = 0;
public static class StopTestFilter implements Filter
{
int _initIndex;
int _destroyIndex;
@Override
public void init(FilterConfig filterConfig) throws ServletException
{
_initIndex = __initIndex++;
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,
ServletException
{
}
@Override
public void destroy()
{
_destroyIndex = __destroyIndex++;
}
}
public static class StopTestServlet extends GenericServlet
{
int _initIndex;
int _destroyIndex;
@Override
public void destroy()
{
_destroyIndex = __destroyIndex++;
super.destroy();
}
@Override
public void init() throws ServletException
{
_initIndex = __initIndex++;
super.init();
}
@Override
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException
{
}
}
public static class StopTestListener implements ServletContextListener
{
int _initIndex;
int _destroyIndex;
@Override
public void contextInitialized(ServletContextEvent sce)
{
_initIndex = __initIndex++;
}
@Override
public void contextDestroyed(ServletContextEvent sce)
{
_destroyIndex = __destroyIndex++;
}
}
public static class MySCI implements ServletContainerInitializer
{
boolean callSessionTimeouts;
int timeout;
public MySCI(boolean callSessionTimeouts, int timeout)
{
this.callSessionTimeouts = callSessionTimeouts;
this.timeout = timeout;
}
public MySCI()
{
this(false, -1);
}
@Override
public void onStartup(Set<Class<?>> c, ServletContext ctx)
{
//add a programmatic listener
if (ctx.getAttribute("MySCI.startup") != null)
throw new IllegalStateException("MySCI already called");
ctx.setAttribute("MySCI.startup", Boolean.TRUE);
ctx.addListener(new MyContextListener(callSessionTimeouts, timeout));
//test that SCI can call the sessionmodes methods
try
{
ctx.getDefaultSessionTrackingModes();
ctx.setAttribute("MySCI.defaultSessionTrackingModes", Boolean.TRUE);
}
catch (UnsupportedOperationException e)
{
ctx.setAttribute("MySCI.defaultSessionTrackingModes", Boolean.FALSE);
}
try
{
ctx.getEffectiveSessionTrackingModes();
ctx.setAttribute("MySCI.effectiveSessionTrackingModes", Boolean.TRUE);
}
catch (UnsupportedOperationException e)
{
ctx.setAttribute("MySCI.effectiveSessionTrackingModes", Boolean.FALSE);
}
try
{
ctx.setSessionTrackingModes(EnumSet.of(SessionTrackingMode.URL));
ctx.setAttribute("MySCI.setSessionTrackingModes", Boolean.TRUE);
}
catch (UnsupportedOperationException e)
{
ctx.setAttribute("MySCI.setSessionTrackingModes", Boolean.FALSE);
}
if (callSessionTimeouts)
{
try
{
ctx.setAttribute("MYSCI.startSessionTimeout", Integer.valueOf(ctx.getSessionTimeout()));
ctx.setSessionTimeout(timeout);
ctx.setAttribute("MYSCI.setSessionTimeout", Boolean.TRUE);
ctx.setAttribute("MYSCI.getSessionTimeout", Integer.valueOf(ctx.getSessionTimeout()));
}
catch (Exception e)
{
ctx.setAttribute("MYSCI.sessionTimeoutFailure", e);
}
}
}
}
public static class MySCIStarter extends AbstractLifeCycle implements ServletContextHandler.ServletContainerInitializerCaller
{
ServletContainerInitializer _sci;
ContextHandler.Context _ctx;
MySCIStarter(ContextHandler.Context ctx, ServletContainerInitializer sci)
{
_ctx = ctx;
_sci = sci;
}
@Override
protected void doStart() throws Exception
{
super.doStart();
//call the SCI
_ctx.setExtendedListenerTypes(true);
_sci.onStartup(Collections.emptySet(), _ctx);
}
}
public static class MyContextListener implements ServletContextListener
{
boolean callSessionTimeouts;
int timeout;
public MyContextListener(boolean callSessionTimeouts, int timeout)
{
this.callSessionTimeouts = callSessionTimeouts;
this.timeout = timeout;
}
public MyContextListener()
{
this(false, -1);
}
@Override
public void contextInitialized(ServletContextEvent sce)
{
assertNull(sce.getServletContext().getAttribute("MyContextListener.contextInitialized"));
sce.getServletContext().setAttribute("MyContextListener.contextInitialized", Boolean.TRUE);
assertNull(sce.getServletContext().getAttribute("MyContextListener.defaultSessionTrackingModes"));
try
{
sce.getServletContext().getDefaultSessionTrackingModes();
sce.getServletContext().setAttribute("MyContextListener.defaultSessionTrackingModes", Boolean.FALSE);
}
catch (UnsupportedOperationException e)
{
//Should NOT be able to call getDefaultSessionTrackingModes from programmatic SCL
sce.getServletContext().setAttribute("MyContextListener.defaultSessionTrackingModes", Boolean.TRUE);
}
assertNull(sce.getServletContext().getAttribute("MyContextListener.effectiveSessionTrackingModes"));
try
{
sce.getServletContext().getEffectiveSessionTrackingModes();
sce.getServletContext().setAttribute("MyContextListener.effectiveSessionTrackingModes", Boolean.FALSE);
}
catch (UnsupportedOperationException e)
{
//Should NOT be able to call getEffectiveSessionTrackingModes from programmatic SCL
sce.getServletContext().setAttribute("MyContextListener.effectiveSessionTrackingModes", Boolean.TRUE);
}
assertNull(sce.getServletContext().getAttribute("MyContextListener.setSessionTrackingModes"));
try
{
sce.getServletContext().setSessionTrackingModes(EnumSet.of(SessionTrackingMode.URL));
sce.getServletContext().setAttribute("MyContextListener.setSessionTrackingModes", Boolean.FALSE);
}
catch (UnsupportedOperationException e)
{
//Should NOT be able to call setSessionTrackingModes from programmatic SCL
sce.getServletContext().setAttribute("MyContextListener.setSessionTrackingModes", Boolean.TRUE);
}
if (callSessionTimeouts)
{
try
{
sce.getServletContext().setSessionTimeout(timeout);
sce.getServletContext().setAttribute("MyContextListener.setSessionTimeout", Boolean.FALSE);
}
catch (UnsupportedOperationException e)
{
//Should NOT be able to call setSessionTimeout from this SCL
sce.getServletContext().setAttribute("MyContextListener.setSessionTimeout", Boolean.TRUE);
}
try
{
sce.getServletContext().getSessionTimeout();
sce.getServletContext().setAttribute("MyContextListener.getSessionTimeout", Boolean.FALSE);
}
catch (UnsupportedOperationException e)
{
//Should NOT be able to call getSessionTimeout from this SCL
sce.getServletContext().setAttribute("MyContextListener.getSessionTimeout", Boolean.TRUE);
}
}
}
@Override
public void contextDestroyed(ServletContextEvent sce)
{
assertNull(sce.getServletContext().getAttribute("MyContextListener.contextDestroyed"));
sce.getServletContext().setAttribute("MyContextListener.contextDestroyed", Boolean.TRUE);
}
}
public static class MySessionHandler extends SessionHandler
{
public void checkSessionListeners(int size)
{
assertNotNull(_sessionListeners);
assertEquals(size, _sessionListeners.size());
}
public void checkSessionAttributeListeners(int size)
{
assertNotNull(_sessionAttributeListeners);
assertEquals(size, _sessionAttributeListeners.size());
}
public void checkSessionIdListeners(int size)
{
assertNotNull(_sessionIdListeners);
assertEquals(size, _sessionIdListeners.size());
}
}
public static class MyTestSessionListener implements HttpSessionAttributeListener, HttpSessionListener
{
@Override
public void sessionCreated(HttpSessionEvent se)
{
}
@Override
public void sessionDestroyed(HttpSessionEvent se)
{
}
@Override
public void attributeAdded(HttpSessionBindingEvent event)
{
}
@Override
public void attributeRemoved(HttpSessionBindingEvent event)
{
}
@Override
public void attributeReplaced(HttpSessionBindingEvent event)
{
}
}
public static class MySCAListener implements ServletContextAttributeListener
{
public static int adds = 0;
public static int removes = 0;
public static int replaces = 0;
@Override
public void attributeAdded(ServletContextAttributeEvent event)
{
++adds;
}
@Override
public void attributeRemoved(ServletContextAttributeEvent event)
{
++removes;
}
@Override
public void attributeReplaced(ServletContextAttributeEvent event)
{
++replaces;
}
}
public static class MyRequestListener implements ServletRequestListener
{
public static int destroys = 0;
public static int inits = 0;
@Override
public void requestDestroyed(ServletRequestEvent sre)
{
++destroys;
}
@Override
public void requestInitialized(ServletRequestEvent sre)
{
++inits;
}
}
public static class MyRAListener implements ServletRequestAttributeListener
{
public static int adds = 0;
public static int removes = 0;
public static int replaces = 0;
@Override
public void attributeAdded(ServletRequestAttributeEvent srae)
{
++adds;
}
@Override
public void attributeRemoved(ServletRequestAttributeEvent srae)
{
++removes;
}
@Override
public void attributeReplaced(ServletRequestAttributeEvent srae)
{
++replaces;
}
}
public static class MySListener implements HttpSessionListener
{
public static int creates = 0;
public static int destroys = 0;
@Override
public void sessionCreated(HttpSessionEvent se)
{
++creates;
}
@Override
public void sessionDestroyed(HttpSessionEvent se)
{
++destroys;
}
}
public static class MySAListener implements HttpSessionAttributeListener
{
public static int adds = 0;
public static int removes = 0;
public static int replaces = 0;
@Override
public void attributeAdded(HttpSessionBindingEvent event)
{
++adds;
}
@Override
public void attributeRemoved(HttpSessionBindingEvent event)
{
++removes;
}
@Override
public void attributeReplaced(HttpSessionBindingEvent event)
{
++replaces;
}
}
public static class MySIListener implements HttpSessionIdListener
{
public static int changes = 0;
@Override
public void sessionIdChanged(HttpSessionEvent event, String oldSessionId)
{
++changes;
}
}
/**
* ServletContextListener that is designed to be added programmatically,
* which should make all of the createListener, createServlet, createFilter
* methods fail with UnsupportedOperationException
*
*/
public class CreatingSCL implements ServletContextListener
{
@Override
public void contextInitialized(ServletContextEvent sce)
{
try
{
sce.getServletContext().createFilter(MyFilter.class);
sce.getServletContext().setAttribute("CreatingSCL.filter", Boolean.FALSE);
}
catch (UnsupportedOperationException e)
{
sce.getServletContext().setAttribute("CreatingSCL.filter", Boolean.TRUE);
}
catch (Exception e)
{
fail(e);
}
try
{
sce.getServletContext().createServlet(HelloServlet.class);
sce.getServletContext().setAttribute("CreatingSCL.servlet", Boolean.FALSE);
}
catch (UnsupportedOperationException e)
{
sce.getServletContext().setAttribute("CreatingSCL.servlet", Boolean.TRUE);
}
catch (Exception e)
{
fail(e);
}
try
{
sce.getServletContext().createListener(MyContextListener.class);
sce.getServletContext().setAttribute("CreatingSCL.listener", Boolean.FALSE);
}
catch (UnsupportedOperationException e)
{
sce.getServletContext().setAttribute("CreatingSCL.listener", Boolean.TRUE);
}
catch (Exception e)
{
fail(e);
}
}
@Override
public void contextDestroyed(ServletContextEvent sce)
{
}
}
public static class InitialListener implements ServletContextListener
{
@Override
public void contextInitialized(ServletContextEvent sce)
{
//Add all of the sorts of listeners that are allowed
try
{
MySCAListener mySCAListener = sce.getServletContext().createListener(MySCAListener.class);
sce.getServletContext().addListener(mySCAListener);
MyRequestListener myRequestListener = sce.getServletContext().createListener(MyRequestListener.class);
sce.getServletContext().addListener(myRequestListener);
MyRAListener myRAListener = sce.getServletContext().createListener(MyRAListener.class);
sce.getServletContext().addListener(myRAListener);
MySListener mySListener = sce.getServletContext().createListener(MySListener.class);
sce.getServletContext().addListener(mySListener);
MySAListener mySAListener = sce.getServletContext().createListener(MySAListener.class);
sce.getServletContext().addListener(mySAListener);
MySIListener mySIListener = sce.getServletContext().createListener(MySIListener.class);
sce.getServletContext().addListener(mySIListener);
}
catch (Exception e)
{
fail(e);
}
// And also test you can't add a ServletContextListener from a ServletContextListener
try
{
MyContextListener contextListener = sce.getServletContext().createListener(MyContextListener.class);
assertThrows(IllegalArgumentException.class, () -> sce.getServletContext().addListener(contextListener), "Adding SCI from an SCI!");
}
catch (IllegalArgumentException e)
{
//expected
}
catch (ServletException x)
{
fail(x);
}
sce.getServletContext().setAttribute("foo", "bar");
}
@Override
public void contextDestroyed(ServletContextEvent sce)
{
}
}
@BeforeEach
public void createServer()
{
_server = new Server();
_connector = new LocalConnector(_server);
_server.addConnector(_connector);
__testServlets.set(0);
}
@AfterEach
public void destroyServer() throws Exception
{
_server.stop();
_server.join();
}
@Test
public void testInitParams() throws Exception
{
//Test get/setInitParam with null throws NPE
ServletContextHandler root = new ServletContextHandler(_server, "/", ServletContextHandler.SESSIONS);
_server.setHandler(root);
ListenerHolder initialListener = new ListenerHolder();
initialListener.setListener(new ServletContextListener()
{
public void contextInitialized(ServletContextEvent sce)
{
sce.getServletContext().setInitParameter("foo", "bar");
assertEquals("bar", sce.getServletContext().getInitParameter("foo"));
assertThrows(NullPointerException.class,
() -> sce.getServletContext().setInitParameter(null, "bad")
);
assertThrows(NullPointerException.class,
() -> sce.getServletContext().getInitParameter(null)
);
}
});
root.getServletHandler().addListener(initialListener);
_server.start();
}
@Test
public void testGetSetSessionTimeout() throws Exception
{
ContextHandlerCollection contexts = new ContextHandlerCollection();
_server.setHandler(contexts);
int startMin = 7;
Integer timeout = Integer.valueOf(100);
ServletContextHandler root = new ServletContextHandler(contexts, "/", ServletContextHandler.SESSIONS);
root.getSessionHandler().setMaxInactiveInterval((int)TimeUnit.MINUTES.toSeconds(startMin));
root.addBean(new MySCIStarter(root.getServletContext(), new MySCI(true, timeout.intValue())), true);
_server.start();
//test starting value of setSessionTimeout
assertEquals(startMin, (Integer)root.getServletContext().getAttribute("MYSCI.startSessionTimeout"));
//test can set session timeout from ServletContainerInitializer
assertTrue((Boolean)root.getServletContext().getAttribute("MYSCI.setSessionTimeout"));
//test can get session timeout from ServletContainerInitializer
assertEquals(timeout, (Integer)root.getServletContext().getAttribute("MYSCI.getSessionTimeout"));
assertNull(root.getAttribute("MYSCI.sessionTimeoutFailure"));
//test can't get session timeout from ContextListener that is not from annotation or web.xml
assertTrue((Boolean)root.getServletContext().getAttribute("MyContextListener.getSessionTimeout"));
//test can't set session timeout from ContextListener that is not from annotation or web.xml
assertTrue((Boolean)root.getServletContext().getAttribute("MyContextListener.setSessionTimeout"));
}
@Test
public void testDestroyOrder() throws Exception
{
ContextHandlerCollection contexts = new ContextHandlerCollection();
_server.setHandler(contexts);
ServletContextHandler root = new ServletContextHandler(contexts, "/", ServletContextHandler.SESSIONS);
ListenerHolder listenerHolder = new ListenerHolder();
StopTestListener stopTestListener = new StopTestListener();
listenerHolder.setListener(stopTestListener);
root.getServletHandler().addListener(listenerHolder);
ServletHolder servletHolder = new ServletHolder();
StopTestServlet stopTestServlet = new StopTestServlet();
servletHolder.setServlet(stopTestServlet);
root.addServlet(servletHolder, "/test");
FilterHolder filterHolder = new FilterHolder();
StopTestFilter stopTestFilter = new StopTestFilter();
filterHolder.setFilter(stopTestFilter);
root.addFilter(filterHolder, "/*", EnumSet.of(DispatcherType.REQUEST));
_server.start();
_server.stop();
assertEquals(0, stopTestListener._initIndex); //listeners contextInitialized called first
assertEquals(1, stopTestFilter._initIndex); //filters init
assertEquals(2, stopTestServlet._initIndex); //servlets init
assertEquals(0, stopTestFilter._destroyIndex); //filters destroyed first
assertEquals(1, stopTestServlet._destroyIndex); //servlets destroyed next
assertEquals(2, stopTestListener._destroyIndex); //listener contextDestroyed last
}
@Test
public void testAddSessionListener()
{
ContextHandlerCollection contexts = new ContextHandlerCollection();
_server.setHandler(contexts);
ServletContextHandler root = new ServletContextHandler(contexts, "/", ServletContextHandler.SESSIONS);
MySessionHandler sessions = new MySessionHandler();
root.setSessionHandler(sessions);
assertNotNull(sessions);
root.addEventListener(new MyTestSessionListener());
sessions.checkSessionAttributeListeners(1);
sessions.checkSessionIdListeners(0);
sessions.checkSessionListeners(1);
}
@Test
public void testListenerFromSCI() throws Exception
{
ContextHandlerCollection contexts = new ContextHandlerCollection();
_server.setHandler(contexts);
ServletContextHandler root = new ServletContextHandler(contexts, "/");
root.addBean(new MySCIStarter(root.getServletContext(), new MySCI()), true);
_server.start();
assertTrue((Boolean)root.getServletContext().getAttribute("MySCI.startup"));
assertTrue((Boolean)root.getServletContext().getAttribute("MySCI.defaultSessionTrackingModes"));
assertTrue((Boolean)root.getServletContext().getAttribute("MySCI.effectiveSessionTrackingModes"));
assertTrue((Boolean)root.getServletContext().getAttribute("MySCI.setSessionTrackingModes"));
assertTrue((Boolean)root.getServletContext().getAttribute("MyContextListener.contextInitialized"));
assertTrue((Boolean)root.getServletContext().getAttribute("MyContextListener.defaultSessionTrackingModes"));
assertTrue((Boolean)root.getServletContext().getAttribute("MyContextListener.effectiveSessionTrackingModes"));
assertTrue((Boolean)root.getServletContext().getAttribute("MyContextListener.setSessionTrackingModes"));
}
@Test
public void testContextInitializationDestruction() throws Exception
{
Server server = new Server();
ContextHandlerCollection contexts = new ContextHandlerCollection();
server.setHandler(contexts);
ServletContextHandler root = new ServletContextHandler(contexts, "/");
class TestServletContextListener implements ServletContextListener
{
public int initialized = 0;
public int destroyed = 0;
@Override
public void contextInitialized(ServletContextEvent sce)
{
initialized++;
}
@Override
public void contextDestroyed(ServletContextEvent sce)
{
destroyed++;
}
}
TestServletContextListener listener = new TestServletContextListener();
root.addEventListener(listener);
server.start();
server.stop();
assertEquals(1, listener.initialized);
server.stop();
assertEquals(1, listener.destroyed);
}
@Test
public void testListenersFromContextListener() throws Exception
{
ContextHandlerCollection contexts = new ContextHandlerCollection();
_server.setHandler(contexts);
ServletContextHandler root = new ServletContextHandler(contexts, "/", ServletContextHandler.SESSIONS);
ListenerHolder initialListener = new ListenerHolder();
initialListener.setListener(new InitialListener());
root.getServletHandler().addListener(initialListener);
root.addServlet(TestServlet.class, "/test");
_server.start();
ListenerHolder[] listenerHolders = root.getServletHandler().getListeners();
assertNotNull(listenerHolders);
for (ListenerHolder l : listenerHolders)
{
assertTrue(l.isStarted());
assertNotNull(l.getListener());
//all listeners except the first should be programmatic
if (!"org.eclipse.jetty.servlet.ServletContextHandlerTest$InitialListener".equals(l.getClassName()))
{
assertFalse(root.isDurableListener(l.getListener()));
assertTrue(root.isProgrammaticListener(l.getListener()));
}
}
List<String> listenerClassNames = new ArrayList<>();
for (EventListener l : root.getEventListeners())
{
listenerClassNames.add(l.getClass().getName());
}
assertTrue(listenerClassNames.contains("org.eclipse.jetty.servlet.ServletContextHandlerTest$MySCAListener"));
assertTrue(listenerClassNames.contains("org.eclipse.jetty.servlet.ServletContextHandlerTest$MyRequestListener"));
assertTrue(listenerClassNames.contains("org.eclipse.jetty.servlet.ServletContextHandlerTest$MyRAListener"));
assertTrue(listenerClassNames.contains("org.eclipse.jetty.servlet.ServletContextHandlerTest$MySListener"));
assertTrue(listenerClassNames.contains("org.eclipse.jetty.servlet.ServletContextHandlerTest$MySAListener"));
assertTrue(listenerClassNames.contains("org.eclipse.jetty.servlet.ServletContextHandlerTest$MySIListener"));
//test ServletRequestAttributeListener
String response = _connector.getResponse("GET /test?req=all HTTP/1.0\r\n\r\n");
assertThat(response, Matchers.containsString("200 OK"));
assertEquals(1, MyRAListener.adds);
assertEquals(1, MyRAListener.replaces);
assertEquals(1, MyRAListener.removes);
//test HttpSessionAttributeListener
response = _connector.getResponse("GET /test?session=create HTTP/1.0\r\n\r\n");
String sessionid = response.substring(response.indexOf("JSESSIONID"), response.indexOf(";"));
assertThat(response, Matchers.containsString("200 OK"));
assertEquals(1, MySListener.creates);
assertEquals(1, MySAListener.adds);
assertEquals(0, MySAListener.replaces);
assertEquals(0, MySAListener.removes);
StringBuffer request = new StringBuffer();
request.append("GET /test?session=replace HTTP/1.0\n");
request.append("Host: localhost\n");
request.append("Cookie: ").append(sessionid).append("\n");
request.append("\n");
response = _connector.getResponse(request.toString());
assertThat(response, Matchers.containsString("200 OK"));
assertEquals(1, MySListener.creates);
assertEquals(1, MySAListener.adds);
assertEquals(1, MySAListener.replaces);
assertEquals(0, MySAListener.removes);
request = new StringBuffer();
request.append("GET /test?session=remove HTTP/1.0\n");
request.append("Host: localhost\n");
request.append("Cookie: ").append(sessionid).append("\n");
request.append("\n");
response = _connector.getResponse(request.toString());
assertThat(response, Matchers.containsString("200 OK"));
assertEquals(1, MySListener.creates);
assertEquals(1, MySAListener.adds);
assertEquals(1, MySAListener.replaces);
assertEquals(1, MySAListener.removes);
//test HttpSessionIdListener.sessionIdChanged
request = new StringBuffer();
request.append("GET /test?session=change HTTP/1.0\n");
request.append("Host: localhost\n");
request.append("Cookie: ").append(sessionid).append("\n");
request.append("\n");
response = _connector.getResponse(request.toString());
assertThat(response, Matchers.containsString("200 OK"));
assertEquals(1, MySIListener.changes);
sessionid = response.substring(response.indexOf("JSESSIONID"), response.indexOf(";"));
//test HttpServletListener.sessionDestroyed
request = new StringBuffer();
request.append("GET /test?session=delete HTTP/1.0\n");
request.append("Host: localhost\n");
request.append("Cookie: ").append(sessionid).append("\n");
request.append("\n");
response = _connector.getResponse(request.toString());
assertThat(response, Matchers.containsString("200 OK"));
assertEquals(1, MySListener.destroys);
//test ServletContextAttributeListener
//attribute was set when context listener registered
assertEquals(1, MySCAListener.adds);
response = _connector.getResponse("GET /test?ctx=all HTTP/1.0\r\n\r\n");
assertThat(response, Matchers.containsString("200 OK"));
assertEquals(1, MySCAListener.replaces);
assertEquals(1, MySCAListener.removes);
}
@Test
public void testFindContainer() throws Exception
{
ContextHandlerCollection contexts = new ContextHandlerCollection();
_server.setHandler(contexts);
ServletContextHandler root = new ServletContextHandler(contexts, "/", ServletContextHandler.SESSIONS);
SessionHandler session = root.getSessionHandler();
ServletHandler servlet = root.getServletHandler();
SecurityHandler security = new ConstraintSecurityHandler();
root.setSecurityHandler(security);
_server.start();
assertEquals(root, AbstractHandlerContainer.findContainerOf(_server, ContextHandler.class, session));
assertEquals(root, AbstractHandlerContainer.findContainerOf(_server, ContextHandler.class, security));
assertEquals(root, AbstractHandlerContainer.findContainerOf(_server, ContextHandler.class, servlet));
}
@Test
public void testInitOrder() throws Exception
{
ServletContextHandler context = new ServletContextHandler();
ServletHolder holder0 = context.addServlet(TestServlet.class, "/test0");
ServletHolder holder1 = context.addServlet(TestServlet.class, "/test1");
ServletHolder holder2 = context.addServlet(TestServlet.class, "/test2");
holder1.setInitOrder(1);
holder2.setInitOrder(2);
context.setContextPath("/");
_server.setHandler(context);
_server.start();
assertEquals(2, __testServlets.get());
String response = _connector.getResponse("GET /test1 HTTP/1.0\r\n\r\n");
assertThat(response, Matchers.containsString("200 OK"));
assertEquals(2, __testServlets.get());
response = _connector.getResponse("GET /test2 HTTP/1.0\r\n\r\n");
assertThat(response, containsString("200 OK"));
assertEquals(2, __testServlets.get());
assertThat(holder0.getServletInstance(), nullValue());
response = _connector.getResponse("GET /test0 HTTP/1.0\r\n\r\n");
assertThat(response, containsString("200 OK"));
assertEquals(3, __testServlets.get());
assertThat(holder0.getServletInstance(), notNullValue(Servlet.class));
_server.stop();
assertEquals(0, __testServlets.get());
holder0.setInitOrder(0);
_server.start();
assertEquals(3, __testServlets.get());
assertThat(holder0.getServletInstance(), notNullValue(Servlet.class));
_server.stop();
assertEquals(0, __testServlets.get());
}
@Test
public void testAddServletFromServlet()
{
//A servlet cannot be added by another servlet