Example usage for javax.servlet.http HttpServletResponse reset

Introduction

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

Prototype

public void reset();

Source Link

Document

Clears any data that exists in the buffer as well as the status code, headers.

Usage

From source file:fll.web.api.JudgesServlet.java

@Override
protected final void doGet(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException, ServletException {
    final ServletContext application = getServletContext();

    final DataSource datasource = ApplicationAttributes.getDataSource(application);
    Connection connection = null;
    try {//from   w  w w . j a  va  2  s.co  m
        connection = datasource.getConnection();

        final ObjectMapper jsonMapper = new ObjectMapper();

        response.reset();
        response.setContentType("application/json");
        final PrintWriter writer = response.getWriter();

        final int currentTournament = Queries.getCurrentTournament(connection);
        final Collection<JudgeInformation> judges = JudgeInformation.getJudges(connection, currentTournament);

        jsonMapper.writeValue(writer, judges);
    } catch (final SQLException e) {
        throw new RuntimeException(e);
    } finally {
        SQLFunctions.close(connection);
    }

}

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From source file:org.sakaiproject.kernel.webapp.filter.SakaiAuthenticationFilter.java

/**
 * {@inheritDoc}/* www  .  j  a  va 2s. com*/
 *
 * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest,
 *      javax.servlet.ServletResponse, javax.servlet.FilterChain)
 */
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest hrequest = (HttpServletRequest) request;
    HttpServletResponse hresponse = (HttpServletResponse) response;
    if (hrequest.getHeader("Authorization") != null) {
        try {
            doBasicAuth(hrequest);
        } catch (SecurityException se) {
            // catch any Security exceptions and send a 401
            LOG.info("Login Failed: " + se.getMessage());
            hresponse.reset();
            hresponse.sendError(HttpServletResponse.SC_UNAUTHORIZED, se.getMessage());
            return;
        }
    } else {
        if ("1".equals(hrequest.getParameter("l"))) {
            try {
                AuthenticationType authNType = AuthenticationType.valueOf(request.getParameter("a"));
                if (debug) {
                    LOG.debug("Authentication Filter: " + authNType);
                }
                switch (authNType) {
                case BASIC:
                    doBasicAuth(hrequest);
                    break;
                case FORM:
                    doForm(hrequest);
                    break;
                case TRUSTED:
                    doTrusted(hrequest);
                    break;
                }
            } catch (SecurityException se) {
                // catch any Security exceptions and send a 401
                LOG.info("Login Failed " + se.getMessage());
                hresponse.reset();
                hresponse.sendError(HttpServletResponse.SC_UNAUTHORIZED, se.getMessage());
                return;
            } catch (IllegalArgumentException e) {
                LOG.info("Authentication type " + request.getParameter("a")
                        + " is not supported by this filter");
            }
        }
    }

    chain.doFilter(request, response);

}

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From source file:fll.web.api.TournamentTeamsServlet.java

@Override
protected final void doGet(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException, ServletException {
    final ServletContext application = getServletContext();

    final DataSource datasource = ApplicationAttributes.getDataSource(application);
    Connection connection = null;
    try {/* ww  w .j  ava2s .c  o m*/
        connection = datasource.getConnection();

        final Map<Integer, TournamentTeam> teamMap = Queries.getTournamentTeams(connection);
        final ObjectMapper jsonMapper = new ObjectMapper();

        response.reset();
        response.setContentType("application/json");
        final PrintWriter writer = response.getWriter();

        final String pathInfo = request.getPathInfo();
        if (null != pathInfo && pathInfo.length() > 1) {
            final String teamNumberStr = pathInfo.substring(1);
            try {
                final int teamNumber = Integer.parseInt(teamNumberStr);
                LOGGER.info("Found team number: " + teamNumber);
                final TournamentTeam team = teamMap.get(teamNumber);
                if (null != team) {
                    jsonMapper.writeValue(writer, team);
                    return;
                } else {
                    throw new RuntimeException("No team found with number " + teamNumber);
                }
            } catch (final NumberFormatException e) {
                throw new RuntimeException("Error parsing team number " + teamNumberStr, e);
            }
        }

        final Collection<TournamentTeam> teams = teamMap.values();

        jsonMapper.writeValue(writer, teams);
    } catch (final SQLException e) {
        throw new RuntimeException(e);
    } finally {
        SQLFunctions.close(connection);
    }

}

---

From source file:org.ngrinder.perftest.controller.PerfTestControllerTest.java

@Test
public void testDownloadReportData() {
    String testName = "test1";
    PerfTest test = createPerfTest(testName, Status.FINISHED, new Date());
    HttpServletResponse resp = new MockHttpServletResponse();
    try {//from  w w w.  j av  a2  s  .c o m
        controller.downloadCSV(getTestUser(), test.getId(), resp);
    } catch (IllegalStateException e) {
        // the report file doesn't exist
        assertTrue(true);
    }
    resp.reset();
    controller.downloadLog(getTestUser(), test.getId(), "log", resp);
}

---

From source file:org.mrgeo.services.wms.WmsGenerator.java

private void writeError(final Exception e, final HttpServletResponse response)
        throws ParserConfigurationException, IOException, TransformerException {
    response.reset();

    Document doc;//from   w ww . jav  a2 s . c  o m
    final DocumentBuilderFactory dBF = DocumentBuilderFactory.newInstance();
    final DocumentBuilder builder = dBF.newDocumentBuilder();
    doc = builder.newDocument();

    final Element ser = doc.createElement("ServiceExceptionReport");
    doc.appendChild(ser);
    ser.setAttribute("version", WMS_VERSION);
    final Element se = XmlUtils.createElement(ser, "ServiceException");
    String code = e.getLocalizedMessage();
    if (code == null || code.isEmpty()) {
        code = e.getClass().getName();
    }
    se.setAttribute("code", code);
    final ByteArrayOutputStream strm = new ByteArrayOutputStream();
    e.printStackTrace(new PrintStream(strm));
    se.setAttribute("locator", strm.toString());
    final PrintWriter out = response.getWriter();

    DocumentUtils.writeDocument(doc, version, out);
}

---

From source file:org.apache.sling.httpauth.impl.AuthorizationHeaderAuthenticationHandler.java

/**
 * Sends back the form to log into the system.
 * /*from  w  w  w . j  a v  a 2 s  .  c  o  m*/
 * @param request The request object
 * @param response The response object to which to send the request
 * @return <code>true</code> is always returned by this handler
 * @throws IOException if an error occurrs sending back the form.
 */
public boolean requestAuthentication(HttpServletRequest request, HttpServletResponse response)
        throws IOException {

    // if the response is already committed, we have a problem !!
    if (!response.isCommitted()) {

        // reset the response
        response.reset();
        response.setStatus(HttpServletResponse.SC_OK);

        String form = getLoginForm();

        if (form != null) {

            form = replaceVariables(form, "@@contextPath@@", request.getContextPath(), "/");
            form = replaceVariables(form, "@@authType@@", request.getAuthType(), "");
            form = replaceVariables(form, "@@user@@", request.getRemoteUser(), "");

            response.setContentType("text/html");
            response.setCharacterEncoding("UTF-8");
            response.getWriter().print(form);

        } else {

            // have no form, so just send 401/UNATHORIZED for simple login
            sendUnauthorized(response);

        }

    } else {

        log.error("requestAuthentication: Response is committed, cannot request authentication");

    }

    return true;
}

---

From source file:br.org.indt.ndg.servlets.ReceiveImage.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    log.debug("RECEIVE IMAGE: executing doPost method.");

    response.reset();
    response.setContentType("image/jpg");

    InputStream inputStream = request.getInputStream();
    DataOutputStream dataOutputStream = new DataOutputStream(response.getOutputStream());

    if (inputStream != null) {
        log.debug("RECEIVE IMAGE: creating file ImageFromClient.jpg...");

        FileOutputStream fileOutputStream = new FileOutputStream("ImageFromClient.jpg");

        byte buffer[] = new byte[1024 * 128];
        int i = 0;

        while ((i = inputStream.read(buffer)) != -1) {
            fileOutputStream.write(buffer, 0, i);
        }//from  ww w. ja v  a  2 s.c  o m

        fileOutputStream.close();
        inputStream.close();

        dataOutputStream.writeBytes(SUCCESS);
        dataOutputStream.close();

        log.debug("RECEIVE IMAGE: SUCCESS");
    } else {
        dataOutputStream.writeBytes(FAILURE);

        log.debug("RECEIVE IMAGE: FAILURE");
    }
}

---

From source file:xx.tream.chengxin.ms.action.TrainReportAction.java

@RequestMapping({ "/exportIncomeCommonReport" })
public String exportIncomeCommonReport(ModelMap modelMap, HttpServletRequest request,
        HttpServletResponse response, FormMap formMap) throws IOException {
    Map<String, Object> queryMap = formMap.getFormMap();
    OutputStream os = response.getOutputStream();
    response.reset();
    response.setCharacterEncoding("UTF-8");
    String title = "" + getDateFile() + ".xls";
    response.setHeader("Content-disposition", "attachment; filename=" + URLEncoder.encode(title, "UTF-8"));
    response.setContentType("application/vnd.ms-excel");
    HSSFWorkbook workbook = new HSSFWorkbook();
    this.reportService.incomeCommonReport(workbook, queryMap);
    workbook.write(os);//from  www  . ja  va  2 s  . com
    os.flush();
    os.close();
    return "train/exportIncomeCommonReport";
}

---

From source file:xx.tream.chengxin.ms.action.TrainReportAction.java

/**
 * /*ww  w. j  a  v  a  2 s .c  o  m*/
 * @param modelMap
 * @param request
 * @param response
 * @param formMap
 * @return
 * @throws IOException
 */
@RequestMapping({ "/exportPayoutCommonReport" })
public String exportPayoutCommonReport(ModelMap modelMap, HttpServletRequest request,
        HttpServletResponse response, FormMap formMap) throws IOException {
    Map<String, Object> queryMap = formMap.getFormMap();
    OutputStream os = response.getOutputStream();
    response.reset();
    response.setCharacterEncoding("UTF-8");
    String title = "" + getDateFile() + ".xls";
    response.setHeader("Content-disposition", "attachment; filename=" + URLEncoder.encode(title, "UTF-8"));
    response.setContentType("application/vnd.ms-excel");
    HSSFWorkbook workbook = new HSSFWorkbook();
    this.reportService.payoutCommonReport(workbook, queryMap);
    workbook.write(os);
    os.flush();
    os.close();
    return "train/exportPayoutCommonReport";
}

---

From source file:xx.tream.chengxin.ms.action.TrainReportAction.java

@RequestMapping({ "/exportReportDetail" })
public String exportReportDetail(ModelMap modelMap, HttpServletRequest request, HttpServletResponse response,
        FormMap formMap) throws IOException {
    Map<String, Object> queryMap = formMap.getFormMap();
    OutputStream os = response.getOutputStream();
    response.reset();
    response.setCharacterEncoding("UTF-8");
    String title = "" + getDateFile() + ".xls";
    response.setHeader("Content-disposition", "attachment; filename=" + URLEncoder.encode(title, "UTF-8"));
    response.setContentType("application/vnd.ms-excel");
    HSSFWorkbook workbook = new HSSFWorkbook();
    this.reportService.financialStatementsDetail(workbook, queryMap);
    workbook.write(os);// w w  w . j a  v a2  s. co  m
    os.flush();
    os.close();
    return "train/exportReportDetail";
}

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