Example usage for javax.servlet ServletResponse getWriter

Introduction

In this page you can find the example usage for javax.servlet ServletResponse 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:org.nuxeo.license.filter.LicenseGuardFilter.java

protected void handleDuplicicatedConnection(ServletRequest request, ServletResponse response,
        Principal principal, String sid) throws IOException {
    String message = "User" + principal.getName() + " has a duplicated connection on Session " + sid;
    log.warn(message);//w  ww.j a v  a2s  .  c om
    response.getWriter().write(message);
    // XXX redirect or whatever
}

From source file:com.thoughtworks.go.server.web.BackupFilter.java

private void generateResponseForIsBackupFinishedAPI(ServletResponse response) {
    response.setContentType("application/json");
    JsonObject json = new JsonObject();
    json.addProperty("is_backing_up", backupService.isBackingUp());
    try {/*  w  ww.ja  va2 s . c  o m*/
        response.getWriter().print(json);
    } catch (IOException e) {
        LOGGER.error("General IOException: {}", e.getMessage());
    }
}

From source file:se.vgregion.javg.web.filter.WebErrorHandlingFilter.java

public void doFilter(ServletRequest request, ServletResponse arg1, FilterChain arg2)
        throws IOException, ServletException {
    // System.out.println("in doFilter(ServletRequest");
    try {/*from   www .j  a  v  a  2  s  .  co  m*/

        arg2.doFilter(request, arg1);
    } catch (Exception e) {

        arg1.getWriter()
                .write(createTyckTillPopupLink(e.toString(), ((HttpServletRequest) request).getRemoteUser()));
    }
}

From source file:MyServlet.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    String password = ((HttpServletRequest) request).getParameter("password");

    if (password.equals("opensesame")) {
        chain.doFilter(request, response);
    } else {//from   w w  w  .  j  a  v  a2 s.co  m
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<HTML>");
        out.println("<HEAD>");
        out.println("<TITLE>");
        out.println("Incorrect Password");
        out.println("</TITLE>");
        out.println("</HEAD>");
        out.println("<BODY>");
        out.println("<H1>Incorrect Password</H1>");
        out.println("Sorry, that password was incorrect.");
        out.println("</BODY>");
        out.println("</HTML>");
    }
}

From source file:com.netsteadfast.greenstep.sys.GreenStepBaseFormAuthenticationFilter.java

protected void redirectToLogin(ServletRequest request, ServletResponse response) throws IOException {
    if (isAjaxRequest((HttpServletRequest) request)) {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        response.getWriter().write(Constants.NO_LOGIN_JSON_DATA);
        return;/*from   ww w. j  a  va  2  s  .c  o  m*/
    }
    if (this.isDojoxContentPane((HttpServletRequest) request)) { //  dojox.layout.ContentPane ??? login.action ??          
        WebUtils.issueRedirect(request, response, Constants.DOJOX_CONTENT_PANE_XHR_RE_LOGIN_PAGE);
        return;
    }
    WebUtils.issueRedirect(request, response, getLoginUrl());
}

From source file:io.hops.hopsworks.api.tensorflow.TensorboardProxyServlet.java

private void sendErrorResponse(ServletResponse servletResponse, String message) throws IOException {
    servletResponse.setContentType("text/html");
    PrintWriter out = servletResponse.getWriter();
    out.println("<html>");
    out.println("<head>");
    out.println("<title></title>");
    out.println("</head>");
    out.println("<body>");
    out.println(message);//ww  w  . j  av a 2s .com
    out.println("</body>");
    out.println("</html>");
}

From source file:com.netsteadfast.greenstep.sys.GreenStepMobileFormAuthenticationFilter.java

protected void redirectToLogin(ServletRequest request, ServletResponse response) throws IOException {
    if (isAjaxRequest((HttpServletRequest) request)) {
        response.setCharacterEncoding(Constants.BASE_ENCODING);
        response.setContentType("application/json");
        response.getWriter().write(Constants.NO_LOGIN_JSON_DATA);
        return;/*w  ww  .  j av  a2 s .c  o m*/
    }
    if (this.isIframeMode((HttpServletRequest) request)) { // iframe ??? login.action ?          
        WebUtils.issueRedirect(request, response, "/pages/system/error_static.jsp");
        return;
    }
    if (this.isDojoxContentPane((HttpServletRequest) request)) { //  dojox.layout.ContentPane ??? login.action ??          
        WebUtils.issueRedirect(request, response, Constants.DOJOX_CONTENT_PANE_XHR_RE_LOGIN_PAGE);
        return;
    }
    WebUtils.issueRedirect(request, response, getLoginUrl());
}

From source file:org.ovirt.vdsmfake.servlet.XmlRpcFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    try {/*from ww w .j  a v  a  2  s .c  o  m*/
        final String method = ((HttpServletRequest) request).getMethod();

        if ("GET".equals(method)) {
            response.setContentType("text/plain");
            response.getWriter().write("Hello, this is VDSM Fake.");
            return;
        }

        if (!"POST".equals(method)) {
            response.setContentType("text/plain");
            response.getWriter().write("Unsupported method: " + method);
            return;
        }

        ContextHolder.init();
        ContextHolder.setServerName(request.getServerName());

        final AppConfig conf = AppConfig.getInstance();

        final CustomHttpServletRequestWrapper wrapper = new CustomHttpServletRequestWrapper(
                (HttpServletRequest) request);

        final CustomHttpServletResponseWrapper responseWrapper = new CustomHttpServletResponseWrapper(
                (HttpServletResponse) response);

        // fix method call name - add namespace of method (required by Apache XMLRPC)
        final Document doc = XMLUtils.parseDocument(wrapper.getInputStream());
        final XPath xp = XPath.newInstance("/methodCall/methodName");
        final Element el = (Element) xp.selectSingleNode(doc);
        final String methodName = el.getText();

        final long tm = System.currentTimeMillis();

        // append namespace
        if (!conf.isProxyActive()) {
            el.setText(METHOD_CALL_NS + "." + el.getText());
        }

        // write back the new XML data
        wrapper.setInputStreamData(XMLUtils.serializeDocument(doc));

        log.info("[{}] {} starting...", new Object[] { request.getServerName(), methodName });

        chain.doFilter(wrapper, responseWrapper);

        // write communication into files
        if (conf.isLogDirSet() && conf.isMethodLoggingEnabled(methodName)) {
            int fIndex = logCounter.incrementAndGet();

            FileUtils.writeByteArrayToFile(new File(conf.getLogDir(), getPrefix(fIndex) + "_req_" + methodName),
                    wrapper.getInputStreamData());
            FileUtils.writeByteArrayToFile(new File(conf.getLogDir(), getPrefix(fIndex) + "_res_" + methodName),
                    responseWrapper.getOutputStreamData());
        }

        // write response
        responseWrapper.writeDataToStream();

        // log request info
        log.info("[{}] {} done. ({} ms, {} bytes)", new Object[] { request.getServerName(), methodName,
                Long.valueOf(System.currentTimeMillis() - tm), responseWrapper.getOutputStreamData().length });
    } catch (Exception e) {
        log.error("Cannot filter request", e);
        throw new ServletException("Error during request processing", e);
    } finally {
        ContextHolder.clear();
    }
}

From source file:MyServlet.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    GregorianCalendar calendar = new GregorianCalendar();
    Date date1 = new Date();
    calendar.setTime(date1);//from  w  w  w .  ja  va2 s.c om
    int hour = calendar.get(Calendar.HOUR_OF_DAY);
    if (hour < 9 || hour > 17) {
        chain.doFilter(request, response);
    } else {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<HTML>");
        out.println("<HEAD>");
        out.println("<TITLE>");
        out.println("Get Back to Work!");
        out.println("</TITLE>");
        out.println("</HEAD>");
        out.println("<BODY>");
        out.println("<H1>Get Back to Work!</H1>");
        out.println("Sorry, that resource is not available now.");
        out.println("</BODY>");
        out.println("</HTML>");
    }
}

From source file:chiron.maxscore.servlet.SecurityServlet.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpSession session = ((HttpServletRequest) request).getSession();
    Object role = session.getAttribute("role");
    if (role == null) {
        ObjectMapper mapper = new ObjectMapper();
        Map<String, Object> map = new HashMap<>();
        map.put("success", false);
        map.put("msg", "");
        mapper.writeValue(response.getWriter(), map);
    }// w w  w.j  a  v a 2s . co m
    chain.doFilter(request, response);
}