//
//  ========================================================================
//  Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
//  ------------------------------------------------------------------------
//  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 org.eclipse.jetty.embedded;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collections;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@SuppressWarnings("serial")
public class DumpServlet extends HttpServlet
{
    @Override
    protected void doGet(HttpServletRequest request,
                         HttpServletResponse response) throws IOException
    {
        response.setContentType("text/html");
        response.setStatus(HttpServletResponse.SC_OK);

        PrintWriter out = response.getWriter();

        out.println("<h1>DumpServlet</h1>");
        out.println("<pre>");
        out.println("requestURI=" + request.getRequestURI());
        out.println("requestURL=" + request.getRequestURL().toString());
        out.println("contextPath=" + request.getContextPath());
        out.println("servletPath=" + request.getServletPath());
        out.println("pathInfo=" + request.getPathInfo());
        out.println("session=" + request.getSession(true).getId());

        ServletContext servletContext = getServletContext();

        String r = request.getParameter("resource");
        if (r != null)
        {
            out.println("resource(" + r + ")=" + servletContext.getResource(r));
        }

        Collections.list(request.getAttributeNames())
            .stream()
            .filter((name) -> name.startsWith("X-"))
            .sorted()
            .forEach((name) ->
                out.println("request.attribute[" + name + "]=" + request.getAttribute(name)));

        Collections.list(servletContext.getAttributeNames())
            .stream()
            .filter((name) -> name.startsWith("X-"))
            .sorted()
            .forEach((name) ->
                out.println("servletContext.attribute[" + name + "]=" + servletContext.getAttribute(name)));

        out.println("</pre>");
    }
}
