Example usage for javax.servlet.http HttpServletResponse getWriter

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

  1. HOME
  2. Java
  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. getWriter

Introduction

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

Prototype

public PrintWriter getWriter() throws IOException;

Source Link

Document

Returns a PrintWriter object that can send character text to the client.

Usage

From source file:ShoppingCartViewerHidden.java

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

    out.println("<HEAD><TITLE>Current Shopping Cart Items</TITLE></HEAD>");
    out.println("<BODY>");

    // Cart items are passed in as the item parameter.
    String[] items = req.getParameterValues("item");

    // Print the current cart items.
    out.println("You currently have the following items in your cart:<BR>");
    if (items == null) {
        out.println("<B>None</B>");
    } else {//from  ww  w.j  a  v  a 2s .c o m
        out.println("<UL>");
        for (int i = 0; i < items.length; i++) {
            out.println("<LI>" + items[i]);
        }
        out.println("</UL>");
    }

    // Ask if the user wants to add more items or check out.
    // Include the current items as hidden fields so they'll be passed on.
    out.println("<FORM ACTION=\"/servlet/ShoppingCart\" METHOD=POST>");
    if (items != null) {
        for (int i = 0; i < items.length; i++) {
            out.println("<INPUT TYPE=HIDDEN NAME=\"item\" VALUE=\"" + items[i] + "\">");
        }
    }
    out.println("Would you like to<BR>");
    out.println("<INPUT TYPE=SUBMIT VALUE=\" Add More Items \">");
    out.println("<INPUT TYPE=SUBMIT VALUE=\" Check Out \">");
    out.println("</FORM>");

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

From source file:controller.ImageCTMH.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    HttpSession session = request.getSession();
    String mamh = session.getAttribute("mamh").toString();
    session.removeAttribute("mamh");
    if (!ServletFileUpload.isMultipartContent(request)) {
        out.println("Nothing to upload");
        return;/*from  w w  w . java2  s .  c  o m*/
    }
    FileItemFactory itemfactory = new DiskFileItemFactory();
    ServletFileUpload upload = new ServletFileUpload(itemfactory);
    String a = "";
    try {
        List<FileItem> items = upload.parseRequest(request);
        for (FileItem item : items) {
            String myfolder = ("asset/Images") + "/";
            File uploadDir = new File(
                    "E:/Cng ngh phn m?m/? ?n/1996Shop/ShopOnline/web/asset/Images");
            File file = File.createTempFile("img", ".png", uploadDir);
            item.write(file);
            a = myfolder + file.getName();
            ct.setHinhAnh(a);
            ct.setMaMh(Long.parseLong(mamh));
            cTHinhAnhDAO.insert(ct);
            response.sendRedirect("CTSanPham.jsp?MaMH=" + mamh + "");
        }

    } catch (FileUploadException e) {
        out.println("upload fail");
    } catch (Exception ex) {

    }
}

From source file:de.iew.web.view.js.JavascriptConfigView.java

@Override
protected void renderMergedOutputModel(Map<String, Object> stringObjectMap, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    response.setContentType("text/javascript; charset=utf-8");

    PrintWriter writer = response.getWriter();
    writer.write("define(function(){return{");

    writer.write(renderBaseUrlHelper(request));

    writer.write("}});");
}

From source file:com.facebook.tsdb.tsdash.server.MetricHeaderEndpoint.java

/**
 * GET params:/*from  w  w  w .j a va  2s .  c  o m*/
 * "metric" - metric name
 * "from" - start of the time range
 * "to" - end of the time range
 */
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    PrintWriter out = response.getWriter();
    try {
        // decode parameters
        long ts = System.currentTimeMillis();
        String jsonParams = request.getParameter("params");
        if (jsonParams == null) {
            throw new Exception("Parameters not specified");
        }
        JSONObject jsonParamsObj = (JSONObject) JSONValue.parse(jsonParams);
        long tsFrom = (Long) jsonParamsObj.get("tsFrom");
        long tsTo = (Long) jsonParamsObj.get("tsTo");
        String metricName = (String) jsonParamsObj.get("metric");
        HashMap<String, String> tags = MetricQuery.decodeTags((JSONObject) jsonParamsObj.get("tags"));
        if (metricName == null) {
            throw new Exception("Missing parameter");
        }
        TsdbDataProvider dataProvider = TsdbDataProviderFactory.get();
        Metric metric = dataProvider.fetchMetricHeader(metricName, tsFrom, tsTo, tags);
        out.println(metric.toJSONString());
        long loadTime = System.currentTimeMillis() - ts;
        logger.info("[Header] time frame: " + (tsTo - tsFrom) + "s, " + "metric: " + metricName + ", tags: "
                + tags + ", " + "load time: " + loadTime + "ms");
    } catch (Exception e) {
        out.println(getErrorResponse(e));
    }
    out.close();
}

From source file:com.parleys.server.frontend.web.ipad.filters.LoginFilter.java

@Override
public void doFilter(final ServletRequest req, final ServletResponse response, final FilterChain chain)
        throws IOException {
    final HttpServletResponse res = (HttpServletResponse) response;
    final PrintWriter writer = res.getWriter();
    res.setStatus(HttpServletResponse.SC_OK);
    res.setHeader("Cache-Control", "must-revalidate");
    res.setHeader("Expires", "Fri, 30 Oct 1998 14:19:41 GMT");
    try {//w  ww .  j  a va2 s. c  om
        final String username = req.getParameter("username");
        final String password = req.getParameter("password");
        if (StringUtils.isNotBlank(username) && StringUtils.isNotBlank(password)) {
            final ParleysService bean = applicationContext.getBean(ParleysService.class);
            final Long userId = bean.getUserId(username, password);

            final String usernameAndPassword = username + ";" + password;
            final String encrypted = AESEncrypter.INSTANCE.encrypt(usernameAndPassword);
            final Cookie rememberMeCookie = new Cookie(PARLEYS_REMEMBER_ME_IPAD, encrypted);
            rememberMeCookie.setMaxAge(3600 * 24 * 7 * 26); // A half year
            res.addCookie(rememberMeCookie);

            writeUserId(writer, userId);
        } else {
            writeError(writer);
        }
    } catch (Exception e) {
        writeError(writer);
    }
}

From source file:org.craftercms.cstudio.publishing.servlet.StatusMonitoringServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType(MimeTypeUtils.APPLICATION_JSON_VALUE);
    response.getWriter().println("{ status: \"" + statusMessage + "\" }");
    response.setStatus(HttpServletResponse.SC_OK);
}

From source file:com.cueup.hegemon.testing.server.ResponseListener.java

ResponseListener(HttpServletResponse response, CustomTestOutput customOutput) throws IOException {
    this.output = response.getWriter();
    this.customOutput = customOutput;
    this.failed = Maps.newHashMap();
    this.ignored = Sets.newHashSet();
}

From source file:com.test.servlet.LoginController.java

@Override
public void setResponse(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter writer = response.getWriter();
    String email = getParam(RequestParam.email.toString());
    String password = getParam(RequestParam.password.toString());
    if (Utility.isStringEmpty(email)) {
        writer.print(//  w  w w.j  a  va 2 s.  co  m
                Utility.generalErrorMessage(ResponseCode.email_not_provided.toString(), "Email is required!"));
        return;
    }
    if (Utility.isStringEmpty(password)) {
        writer.print(Utility.generalErrorMessage(ResponseCode.password_not_provided.toString(),
                "Password is required!"));
        return;
    }

    DBUtility dbUtil = new DBUtility(servlet);
    User user = dbUtil.getUser(email, password);
    if (user != null) {
        HttpSession session = request.getSession();
        session.setAttribute("user_id", user.getId());
        String sessionKey = SessionGenerator.getInstance().nextSessionId();
        Cookie cookie = new Cookie("auth_key", sessionKey);
        cookie.setMaxAge(Constants.COOKIE_AGE);
        response.addCookie(cookie);

        dbUtil.insertSession(sessionKey, user.getId());

        JSONObject jResponse = new JSONObject();
        jResponse.put(JSONKey.status.toString(), 0);
        //jResponse.put(JSONKey.auth_key.toString(), sessionKey);
        jResponse.put(JSONKey.user_info.toString(), user.toJSONObject());

        writer.print(jResponse.toString());
    } else {
        writer.print(Utility.generalErrorMessage(ResponseCode.email_doesnt_exist.toString(),
                "Email address not found"));
    }
}

From source file:jetbrains.buildServer.staticUIExtensions.web.StaticContentController.java

@Nullable
private ModelAndView sendError(@NotNull final HttpServletRequest request,
        @NotNull final HttpServletResponse response, @NotNull final String errorMessage) throws IOException {
    response.getWriter().write("ERROR: Content for StaticUIExtensions plugin was not found. " + errorMessage);
    return null;//from w  w w .ja  v  a  2  s  .com
}

From source file:org.zalando.logbook.servlet.example.ExampleController.java

@RequestMapping(value = "/reader", produces = MediaType.TEXT_PLAIN_VALUE)
public void reader(final HttpServletRequest request, final HttpServletResponse response) throws IOException {
    try (PrintWriter writer = response.getWriter()) {
        CharStreams.copy(request.getReader(), writer);
    }//w ww.java 2  s .  c om
}