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LoginServlet.java
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LoginServlet.java
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//
// ========================================================================
// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.example;
import java.io.IOException;
import jakarta.servlet.ServletConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
/**
* Dump Servlet Request.
*/
public class LoginServlet extends HttpServlet
{
@Override
public void init(ServletConfig config) throws ServletException
{
super.init(config);
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
doGet(request, response);
}
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
response.setContentType("text/html");
ServletOutputStream out = response.getOutputStream();
out.println("<html>");
out.println("<br/>Before getUserPrincipal=" + request.getUserPrincipal());
out.println("<br/>Before getRemoteUser=" + request.getRemoteUser());
String param = request.getParameter("action");
if ("login".equals(param))
{
request.login("jetty", "jetty");
}
else if ("logout".equals(param))
{
request.logout();
}
else if ("wrong".equals(param))
{
request.login("jetty", "123");
}
out.println("<br/>After getUserPrincipal=" + request.getUserPrincipal());
out.println("<br/>After getRemoteUser=" + request.getRemoteUser());
out.println("</html>");
out.flush();
}
}