Example usage for javax.servlet.http HttpServletResponse setContentType

List of usage examples for javax.servlet.http HttpServletResponse setContentType

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Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse setContentType.

Prototype


public void setContentType(String type);

Source Link

Document

Sets the content type of the response being sent to the client, if the response has not been committed yet.

Usage

From source file:com.ibm.ws.lars.rest.ErrorHandler.java

@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    response.setStatus(500);//from w w w  .j  ava  2 s .c o m
    response.setContentType(MediaType.APPLICATION_JSON);
    PrintWriter printWriter = response.getWriter();
    JsonGenerator frontPageJsonGenerator = new JsonFactory().createGenerator(printWriter);
    frontPageJsonGenerator.setPrettyPrinter(new DefaultPrettyPrinter());

    frontPageJsonGenerator.writeStartObject();
    frontPageJsonGenerator.writeStringField("message",
            "Internal server error, please contact the server administrator");
    frontPageJsonGenerator.writeNumberField("statusCode", response.getStatus());
    frontPageJsonGenerator.writeEndObject();

    frontPageJsonGenerator.flush();
    frontPageJsonGenerator.close();
}

From source file:UsingContexts.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();

    HttpSession session = request.getSession(true);

    Integer counter2 = (Integer) getServletContext().getAttribute("counter2");

    if (counter2 == null) {
        counter2 = new Integer(1);
    } else {/*from   w  w  w . j  a  v a2s  .co m*/
        counter2 = new Integer(counter2.intValue() + 1);
    }

    getServletContext().setAttribute("counter2", counter2);

    Integer counter = (Integer) session.getAttribute("counter");

    if (counter == null) {
        counter = new Integer(1);
    } else {
        counter = new Integer(counter.intValue() + 1);
    }

    session.setAttribute("counter", counter);

    out.println("<HTML>");
    out.println("<HEAD>");
    out.println("<TITLE>");
    out.println("Using Contexts");
    out.println("</TITLE>");
    out.println("</HEAD>");
    out.println("<BODY>");
    out.println("<H1>Using Contexts</H1>");

    out.println("Welcome! You have been here " + counter + " times.<BR>");

    out.println("Total page accesses: " + counter2 + "<BR>");

    if (session.isNew()) {
        out.println("This is a new session.<BR>");
    } else {
        out.println("This is not a new session.<BR>");
    }

    out.println("The session ID: " + session.getId() + "<BR>");
    out.println("Last time accessed: " + new Date(session.getLastAccessedTime()) + "<BR>");
    out.println("Creation time: " + new Date(session.getCreationTime()) + "<BR>");
    out.println("Timeout length: " + session.getMaxInactiveInterval() + " seconds<BR>");

    out.println("</BODY>");
    out.println("</HTML>");
}

From source file:hotel.web.util.RegistrationVerifier.java

/**
 * Processes requests for both HTTP/*from w ww.  j  a v  a 2  s .  c o  m*/
 * <code>GET</code> and
 * <code>POST</code> methods.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    String errMsg = "";
    String destination = "/registrationVerified.jsp";

    try {
        String id = request.getParameter("id");
        byte[] decoded = Base64.decode(id.getBytes());
        String username = new String(decoded);
        Users user = userService.find(username);
        if (user == null) {
            throw new RuntimeException("Sorry, that user is not in our system");
        }
        user.setEnabled(true);
        userService.edit(user);

    } catch (Exception dae) {
        errMsg = "VERIFICATION ERROR: " + dae.getLocalizedMessage();
        request.setAttribute("errMsg", errMsg);
        destination = "/registrationError.jsp";
    }

    RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(destination);
    dispatcher.forward(request, response);

}

From source file:org.shredzone.cilla.plugin.sitemap.SitemapView.java

/**
 * Renders a sitemap of all pages.// w  ww .  j  a v a  2  s . c o  m
 */
@View(pattern = "/sitemap.xml.gz", name = "sitemap")
public void sitemapView(HttpServletRequest req, HttpServletResponse resp) throws ViewException {
    try {
        resp.setContentType("text/xml");
        resp.setHeader("Content-Encoding", "gzip");

        try (GZIPOutputStream go = new GZIPOutputStream(resp.getOutputStream())) {
            SitemapWriter writer = new SitemapWriter(go);

            writer.writeHeader();
            writeHome(writer);
            writePages(writer);
            writer.writeFooter();
            writer.flush();

            go.finish();
        }
    } catch (IOException ex) {
        throw new ViewException(ex);
    }
}

From source file:bookUtilities.RemoveBookServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.// w w  w  .ja v a2  s.c o m
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    JSONObject message = removeBook(request.getParameter("bookId"));
    PrintWriter printout = response.getWriter();
    printout.print(message);
    printout.flush();
}

From source file:com.web.vehiclerouting.graphhopper.http.InvalidRequestServlet.java

@Override
protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    try {/*from  w w  w.  j  a v a 2 s .  com*/
        res.setStatus(HttpServletResponse.SC_NOT_FOUND);
        res.setContentType("text/plain");
        res.setContentType("UTF-8");
        JSONObject json = new JSONObject();
        json.put("error_code", "404");
        writeJson(req, res, json);
    } catch (JSONException ex) {
        Logger.getLogger(InvalidRequestServlet.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:FormLogin.java

public void doPost(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, java.io.IOException {
    resp.setContentType("text/html");
    java.io.PrintWriter out = resp.getWriter();
    HttpSession session = req.getSession(true);
    String user = (String) session.getAttribute(USER_KEY);

    if (user == null) {
        String username = req.getParameter(FIELD_USER);
        String password = req.getParameter(FIELD_PASSWORD);

        if (!validUser(username, password)) {
            out.println("<html>");
            out.println("<title>Invalid User</title>");
            out.println("<body><center><h2>" + "Invalid User!</h2><br>");
            out.println("Press the 'Back' button to try again");
            out.println("</center></body></html>");
            out.flush();//ww w  . j av a 2 s  .co m
            return;
        }
        session.setAttribute(USER_KEY, username);
    }
    resp.sendRedirect(req.getRequestURI());
}

From source file:fish.payara.examples.jdays2016.springboot.DataLoaderServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.// w  w  w.  j a va  2  s . c o  m
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    try (PrintWriter out = response.getWriter()) {
        /* TODO output your page here. You may use following sample code. */
        out.println("<!DOCTYPE html>");
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet DataLoader</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>Servlet DataLoader at " + request.getContextPath() + "</h1>");

        out.println("Loaded " + loader.parseFile(new File(request.getParameter("file"))) + "records");

        out.println("</body>");
        out.println("</html>");
    }
}

From source file:ro.allevo.fintpws.security.CustomAccessDeniedHandler.java

@Produces(MediaType.APPLICATION_JSON)
@Override/* ww  w.  j ava2 s .c o m*/
public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException exception)
        throws IOException, ServletException {

    response.setContentType("application/json");
    response.setStatus(403);
    try {
        JSONObject obj = JsonResponseWrapper.getEntity(Status.FORBIDDEN.getStatusCode(), ERROR_FORBIDDEN, null,
                null);
        PrintWriter out = response.getWriter();
        out.print(obj);
    } catch (JSONException e) {
        e.printStackTrace();
    }
}

From source file:com.expressflow.servlets.ExecProcessServlet.java

private void performRequest(HttpServletRequest request, HttpServletResponse response) throws IOException {
    response.setContentType("text/html");

    UserService userService = UserServiceFactory.getUserService();
    User user = userService.getCurrentUser();
    if (user != null) {
        StringBuilder sb = new StringBuilder(request.getRequestURI());
        String processID = sb.substring(6, sb.length());
        if (processID != null) {
            try {
                // TaskQueues do not support UserService functions...
                // Add the process to the flow-processing queue
                TaskOptions taskOptions = TaskOptions.Builder.withUrl("/_ah/queue/flowprocessor");

                Enumeration parameterNames = request.getParameterNames();
                while (parameterNames.hasMoreElements()) {
                    String parameterName = (String) parameterNames.nextElement();
                    String[] paramValues = request.getParameterValues(parameterName);
                    if (paramValues.length == 1) {
                        taskOptions.param(parameterName, paramValues[0]);
                    } else {
                        System.err.print(parameterName + " has more values?!");
                    }/* w  w w.j  a va 2s. c  o  m*/
                }

                //                  Map<String, String[]> parameterMap = request.getParameterMap();
                //                  for (Map.Entry<String, String[]> parameter : parameterMap.entrySet()) {
                //                     for(String value : parameter.getValue()){
                //                        taskOptions.param(parameter.getKey(), value);
                //                     }
                //                  }

                Queue queue = QueueFactory.getQueue("flowprocessor");
                queue.add(taskOptions.param("key", processID));

            } catch (Exception e) {
                log.info(e.getMessage());
            }
        }
    } else {
        response.sendRedirect(response.encodeRedirectURL(userService.createLoginURL(request.getRequestURI())));
    }
}