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: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, uri = null;
    Object codeObj, messageObj, typeObj;
    Throwable throwable;/*w  ww . j av a2s . c o m*/

    // Retrieve the three possible error attributes, some may be null
    codeObj = req.getAttribute("javax.servlet.error.status_code");
    messageObj = req.getAttribute("javax.servlet.error.message");
    typeObj = req.getAttribute("javax.servlet.error.exception_type");
    throwable = (Throwable) req.getAttribute("javax.servlet.error.exception");
    uri = (String) req.getAttribute("javax.servlet.error.request_uri");

    if (uri == null) {
        uri = req.getRequestURI(); // in case there's no URI given
    }

    // Convert the attributes to string values
    if (codeObj != null)
        code = codeObj.toString();
    if (messageObj != null)
        message = messageObj.toString();
    if (typeObj != null)
        type = typeObj.toString();

    // The error reason is either the status code or exception type
    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("<PRE>");
    if (throwable != null) {
        throwable.printStackTrace(out);
    }
    out.println("</PRE>");
    out.println("<HR>");
    out.println("<I>Error accessing " + uri + "</I>");
    out.println("</BODY></HTML>");
}

From source file:com.mycompany.thymeleafspringapp.controller.DealsController.java

@RequestMapping(value = "/deals/{dealid}/{imgid}", method = RequestMethod.GET)
public void getImage(@PathVariable(value = "imgid") long imgId, @PathVariable(value = "dealid") long dealId,
        HttpServletResponse response) throws IOException {
    Users user = getUserDetails();/*from w w  w  .j a  v a  2s.  c  om*/
    response.setContentType("image/jpeg, image/jpg, image/png, image/gif");
    response.getOutputStream().write(ds.getScreenshotById(user.getUserId(), imgId));
    response.getOutputStream().close();
}

From source file:SettingandReadingCookies.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("<BODY");

    Cookie[] cookies = request.getCookies();
    boolean foundCookie = false;

    for (int loopIndex = 0; loopIndex < cookies.length; loopIndex++) {
        Cookie cookie1 = cookies[loopIndex];
        if (cookie1.getName().equals("color")) {
            out.println("bgcolor = " + cookie1.getValue());
            foundCookie = true;//from   ww w. j  a  v a  2  s  .  c o m
        }
    }

    if (!foundCookie) {
        Cookie cookie1 = new Cookie("color", "cyan");
        cookie1.setMaxAge(24 * 60 * 60);
        response.addCookie(cookie1);
    }

    out.println(">");
    out.println("<H1>Setting and Reading Cookies</H1>");
    out.println("This page will set its background color using a cookie when reloaded.");
    out.println("</BODY>");
    out.println("</HTML>");
}

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("<BODY");

    Cookie[] cookies = request.getCookies();
    boolean foundCookie = false;

    for (int i = 0; i < cookies.length; i++) {
        Cookie cookie1 = cookies[i];// ww w  .ja  va 2s.  c  o m
        if (cookie1.getName().equals("color")) {
            out.println("bgcolor = " + cookie1.getValue());
            foundCookie = true;
        }
    }

    if (!foundCookie) {
        Cookie cookie1 = new Cookie("color", "cyan");
        cookie1.setMaxAge(24 * 60 * 60);
        response.addCookie(cookie1);
    }

    out.println(">");
    out.println("<H1>Setting and Reading Cookies</H1>");
    out.println("This page will set its background color using a cookie when reloaded.");
    out.println("</BODY>");
    out.println("</HTML>");
}

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

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType(MediaType.APPLICATION_JSON);
    resp.setCharacterEncoding(StandardCharsets.UTF_8.name());
    PrintWriter printWriter = resp.getWriter();

    List<AssetFilter> filters = new ArrayList<>();
    filters.add(new AssetFilter("state",
            Arrays.asList(new Condition[] { new Condition(Operation.EQUALS, "published") })));
    int assetCount = serviceLayer.countAllAssets(filters, null);

    JsonGenerator frontPageJsonGenerator = new JsonFactory().createGenerator(printWriter);
    frontPageJsonGenerator.setPrettyPrinter(new DefaultPrettyPrinter());

    frontPageJsonGenerator.writeStartObject();
    frontPageJsonGenerator.writeStringField("serverName", "LARS");
    frontPageJsonGenerator.writeNumberField("assetCount", assetCount);
    frontPageJsonGenerator.writeEndObject();

    frontPageJsonGenerator.flush();/*from  w ww .  j a v  a2s .  c  o  m*/
    frontPageJsonGenerator.close();
}

From source file:com.laborun.servlet.UploadMyFile.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html");
    //        System.out.println(request.getParameter("myfile"));
    if (ServletFileUpload.isMultipartContent(request)) {
        System.out.println("radwa");
        MultipartRequest m = new MultipartRequest(request, "E:\\ITI Work\\Projects\\LaboRunEtc\\New folder");

        Path path = Paths.get("E:\\ITI Work\\Projects\\LaboRunEtc\\sad.txt");
        byte[] array = Files.readAllBytes(path);
        System.out.println(array.length);
        AssignmentFiles assignment = new AssignmentFiles();
        assignment.setUploadFile(array);
        assignment.setUploadDate(new Date());

        AssignmentDaoInt upload = new AssignmentDaoImp();
        upload.uploadAssignment(assignment);

        //           response.sendRedirect("http://localhost:8082/trainee/buttons.jsp");
    }/*from   w ww.java  2s  .c o m*/
}

From source file:ErrorDisplay.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, uri = null;
    Object codeObj, messageObj, typeObj;
    Throwable throwable;//from  w w w .  ja  v a  2 s.com

    codeObj = req.getAttribute("javax.servlet.error.status_code");
    messageObj = req.getAttribute("javax.servlet.error.message");
    typeObj = req.getAttribute("javax.servlet.error.exception_type");
    throwable = (Throwable) req.getAttribute("javax.servlet.error.exception");
    uri = (String) req.getAttribute("javax.servlet.error.request_uri");

    if (uri == null) {
        uri = req.getRequestURI(); // in case there's no URI given
    }

    // Convert the attributes to string values
    if (codeObj != null)
        code = codeObj.toString();
    if (messageObj != null)
        message = messageObj.toString();
    if (typeObj != null)
        type = typeObj.toString();

    // The error reason is either the status code or exception type
    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("<PRE>");
    if (throwable != null) {
        throwable.printStackTrace(out);
    }
    out.println("</PRE>");
    out.println("<HR>");
    out.println("<I>Error accessing " + uri + "</I>");
    out.println("</BODY></HTML>");
}

From source file:authentication.DefaultAuthenticationFailureHandler.java

/** {@inheritDoc} */
@Override//from  w  w w  .j  a  va  2  s .co  m
public void onAuthenticationFailure(final HttpServletRequest request, final HttpServletResponse response,
        final AuthenticationException exception) throws IOException {
    response.setContentType(MediaType.APPLICATION_JSON_VALUE);
    response.setStatus(HttpStatus.UNAUTHORIZED.value());
    response.getOutputStream()
            .print(String.format(JSON, HttpStatus.UNAUTHORIZED.value(), exception.getMessage()));
}

From source file:controllers.CarPropertyController.java

@RequestMapping("/getXls")
public void getXls(Map<String, Object> model, HttpServletResponse response) throws Exception {
    response.setContentType("application/octet-stream");
    response.setHeader("Content-Disposition", "attachment; filename=PROPERTY.xls");
    carPropertyService.getXls().write(response.getOutputStream());
}

From source file:edu.mayo.cts2.framework.plugin.service.lexevs.bulk.AbstractBulkDownloadController.java

protected void writeException(HttpServletResponse response, String message, int errorCode) {
    response.setContentType("text/plain; charset=utf-8");
    response.setStatus(errorCode);//from  w ww .  jav a2  s .  co m

    try {
        IOUtils.write(message, response.getOutputStream());
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}