Example usage for javax.servlet.http HttpServletResponse 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:MyServlet.java

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

    out.println("<HTML>");
    out.println("<HEAD>");
    out.println("<TITLE>");
    out.println("A Web Page");
    out.println("</TITLE>");
    out.println("</HEAD>");
    out.println("Hello there!");
    out.println("</BODY>");
    out.println("</HTML>");
}

From source file:com.javiermoreno.springboot.mvc.minimal.httpd.PingController.java

@RequestMapping(value = "/long", method = RequestMethod.GET)
@ResponseStatus(HttpStatus.OK)/* w w w .j a va  2 s. c  o m*/
void longPing(HttpServletResponse response) throws IOException, InterruptedException {
    response.setBufferSize(0);
    PrintWriter out = response.getWriter();
    out.println();
    out.flush();
    for (int i = 0; i < 60 * 5; i++) {
        out.format("Current server time: %s.\r\n", new Date());
        out.flush();
        Thread.sleep(1000);
    }
}

From source file:MyServlet.java

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

    HttpSession session = req.getSession();

    Integer count = (Integer) session.getAttribute("tracker.count");
    if (count == null)
        count = new Integer(1);
    else// w w w .ja  v a  2  s. c  o m
        count = new Integer(count.intValue() + 1);
    session.setAttribute("tracker.count", count);

    out.println("<HTML><HEAD><TITLE>SessionTracker</TITLE></HEAD>");
    out.println("<BODY><H1>Session Tracking Demo</H1>");

    out.println("You've visited this page " + count + ((count.intValue() == 1) ? " time." : " times."));

    out.println("<P>");

    out.println("<H2>Here is your session data:</H2>");
    Enumeration e = session.getAttributeNames();
    while (e.hasMoreElements()) {
        String name = (String) e.nextElement();
        out.println(name + ": " + session.getAttribute(name) + "<BR>");
    }
    out.println("</BODY></HTML>");
}

From source file:org.branch.annotation.audio.web.controller.UploadServlet.java

/**
 * Handles the HTTP <code>POST</code> method.
 *
 * @param request  servlet request/*  www. jav a  2s .  c  om*/
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException      if an I/O error occurs
 */
@RequestMapping(method = RequestMethod.POST)
protected void post(HttpServletRequest request, HttpServletResponse response) throws Exception {
    final PrintWriter writer = response.getWriter();

    final InputStream inputStream = request.getInputStream();

    final String originalFilename = request.getHeader("X-File-Name");

    final Map<String, String> metadata = new HashMap<String, String>();
    metadata.put("originalFilename", originalFilename);

    fileUploadProcessor.uploadFile(metadata, inputStream);

    writer.print("{success: true}");
}

From source file:org.chtijbug.drools.platform.web.security.Http200LogoutSuccessHandler.java

@Override
public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response,
        Authentication authentication) throws IOException, ServletException {
    response.setStatus(SC_OK);//w  ww  .j a v  a 2s. co  m
    response.getWriter().write("Logged out");
}

From source file:MyServlet.java

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

    String code = null, message = null, type = null;
    Object codeObj, messageObj, typeObj;

    codeObj = req.getAttribute("javax.servlet.error.status_code");
    messageObj = req.getAttribute("javax.servlet.error.message");
    typeObj = req.getAttribute("javax.servlet.error.exception_type");

    if (codeObj != null)
        code = codeObj.toString();// w  w w. jav  a 2s  .co m
    if (messageObj != null)
        message = messageObj.toString();
    if (typeObj != null)
        type = typeObj.toString();

    String reason = (code != null ? code : type);

    out.println("<HTML>");
    out.println("<HEAD><TITLE>" + reason + ": " + message + "</TITLE></HEAD>");
    out.println("<BODY>");
    out.println("<H1>" + reason + "</H1>");
    out.println("<H2>" + message + "</H2>");
    out.println("<HR>");
    out.println("<I>Error accessing " + req.getRequestURI() + "</I>");
    out.println("</BODY></HTML>");
}

From source file:SessionTracker.java

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

    HttpSession session = req.getSession(true);

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

    if (count == null) {
        count = new Integer(1);
    } else {//from w w  w  .  ja va2 s .c o m
        count = new Integer(count.intValue() + 1);
    }

    session.setAttribute("count", count);
    out.println("<html><head><title>SessionSnoop</title></head>");
    out.println("<body><h1>Session Details</h1>");
    out.println(
            "You've visited this page " + count + ((count.intValue() == 1) ? " time." : " times.") + "<br/>");
    out.println("<h3>Details of this session:</h3>");
    out.println("Session id: " + session.getId() + "<br/>");
    out.println("New session: " + session.isNew() + "<br/>");
    out.println("Timeout: " + session.getMaxInactiveInterval() + "<br/>");
    out.println("Creation time: " + new Date(session.getCreationTime()) + "<br/>");
    out.println("Last access time: " + new Date(session.getLastAccessedTime()) + "<br/>");
    out.println("</body></html>");
}

From source file:com.rampukar.controller.FileUploadHandler.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    //process only if its multipart content
    if (ServletFileUpload.isMultipartContent(request)) {
        try {/*from  w w  w . j a  v a 2 s. c  o  m*/
            List<FileItem> multiparts = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request);

            for (FileItem item : multiparts) {
                if (!item.isFormField()) {
                    String name = new File(item.getName()).getName();
                    item.write(new File(UPLOAD_DIRECTORY + File.separator + name));
                    out.print(name);
                }
            }

            //File uploaded successfully
            request.setAttribute("message", "File Uploaded Successfully");
        } catch (Exception ex) {
            request.setAttribute("message", "File Upload Failed due to " + ex);
        }

    } else {
        //            request.setAttribute("message", "Sorry this Servlet only handles file upload request");
    }

    //        request.getRequestDispatcher("/result.jsp").forward(request, response);
}

From source file:UnknownEncodingServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    response.setContentType("text/html; charset=ISO-8850-1");
    PrintWriter out = response.getWriter();
}

From source file:com.company.project.web.controller.service.HttpLogoutSuccessHandler.java

@Override
public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response,
        Authentication authentication) throws IOException {
    response.setStatus(HttpServletResponse.SC_OK);
    response.getWriter().flush();
}