Added an example of embeded Jetty using hashed session and servlets. (#1107)
Signed-off-by: Luis Daniel <lalducin@nearsoft.com>
This commit is contained in:
Luis Daniel Alducin
Greg Wilkins
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//
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// ========================================================================
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// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
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// ------------------------------------------------------------------------
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// All rights reserved. This program and the accompanying materials
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// are made available under the terms of the Eclipse Public License v1.0
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// and Apache License v2.0 which accompanies this distribution.
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//
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// The Eclipse Public License is available at
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// http://www.eclipse.org/legal/epl-v10.html
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//
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// The Apache License v2.0 is available at
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// http://www.opensource.org/licenses/apache2.0.php
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//
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// You may elect to redistribute this code under either of these licenses.
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// ========================================================================
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//
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package org.eclipse.jetty.embedded;
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import org.eclipse.jetty.server.session.HashedSession;
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import java.io.IOException;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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public class HelloSessionServlet extends HttpServlet
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{
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private String greeting;
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public HelloSessionServlet() {}
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@Override
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protected void doGet( HttpServletRequest request,
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HttpServletResponse response ) throws ServletException,
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IOException
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{
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HashedSession session = (HashedSession)request.getSession();
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if((greeting = (String)session.getAttribute("greeting")) == null) {
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greeting = "Hello";
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}
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response.setContentType("text/html");
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response.setStatus(HttpServletResponse.SC_OK);
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response.getWriter().println(
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"<h1>" + greeting + " from HelloSessionServlet</h1>");
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}
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}
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//
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// ========================================================================
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// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
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// ------------------------------------------------------------------------
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// All rights reserved. This program and the accompanying materials
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// are made available under the terms of the Eclipse Public License v1.0
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// and Apache License v2.0 which accompanies this distribution.
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//
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// The Eclipse Public License is available at
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// http://www.eclipse.org/legal/epl-v10.html
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//
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// The Apache License v2.0 is available at
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// http://www.opensource.org/licenses/apache2.0.php
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//
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// You may elect to redistribute this code under either of these licenses.
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// ========================================================================
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//
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package org.eclipse.jetty.embedded;
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import org.eclipse.jetty.server.Server;
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import org.eclipse.jetty.server.session.AbstractSessionIdManager;
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import org.eclipse.jetty.server.session.HashSessionIdManager;
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import org.eclipse.jetty.server.session.HashSessionManager;
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import org.eclipse.jetty.server.session.SessionHandler;
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import org.eclipse.jetty.servlet.ServletContextHandler;
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public class OneServletContextWithSession
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{
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public static void main(String[] args) throws Exception
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{
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Server server = new Server(8080);
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SessionHandler handler = new SessionHandler();
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handler.setServer(server);
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HashSessionManager manager = new HashSessionManager();
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handler.setSessionManager(manager);
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AbstractSessionIdManager idManager = new HashSessionIdManager();
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manager.setSessionIdManager(idManager);
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server.setSessionIdManager(idManager);
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ServletContextHandler context = new ServletContextHandler(
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ServletContextHandler.SESSIONS);
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context.setContextPath("/");
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context.setResourceBase(System.getProperty("java.io.tmpdir"));
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server.setHandler(context);
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//Servlet to store a different greeting in the session
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//Can be accessed using http://localhost:8080/store
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context.addServlet(StoreInSessionServlet.class, "/store/*");
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//Servlet to read the greeting stored in the session, if you have not visited the
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//StoreInSessionServlet a default greeting is shown, after visiting you will see
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//a different greeting.
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//Can be accessed using http://localhost:8080/hello
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context.addServlet(HelloSessionServlet.class, "/");
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server.start();
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server.join();
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}
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}
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@ -0,0 +1,47 @@
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//
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// ========================================================================
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// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
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// ------------------------------------------------------------------------
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// All rights reserved. This program and the accompanying materials
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// are made available under the terms of the Eclipse Public License v1.0
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// and Apache License v2.0 which accompanies this distribution.
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//
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// The Eclipse Public License is available at
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// http://www.eclipse.org/legal/epl-v10.html
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//
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// The Apache License v2.0 is available at
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// http://www.opensource.org/licenses/apache2.0.php
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//
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// You may elect to redistribute this code under either of these licenses.
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// ========================================================================
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//
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package org.eclipse.jetty.embedded;
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import org.eclipse.jetty.server.session.HashedSession;
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import java.io.IOException;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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public class StoreInSessionServlet extends HttpServlet
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{
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public StoreInSessionServlet() {}
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@Override
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protected void doGet(HttpServletRequest request,
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HttpServletResponse response ) throws ServletException,
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IOException
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{
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HashedSession session = (HashedSession)request.getSession();
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session.setAttribute("greeting", "New Hello");
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response.setContentType("text/html");
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response.setStatus(HttpServletResponse.SC_OK);
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response.getWriter().println(
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"<h1>Value 'New Hello' stored in session.</h1>");
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}
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}
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