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:gov.nist.appvet.tool.synchtest.util.ReportUtil.java

/**
 * This method returns report information to the AppVet ToolAdapter as ASCII
 * text and cannot attach a file to the response.
 *///from   w  w  w. j a v a 2s  .c  om
public static boolean sendInHttpResponse(HttpServletResponse response, String reportText,
        ToolStatus reportStatus) {
    try {
        response.setStatus(HttpServletResponse.SC_OK); // HTTP 200
        response.setContentType("text/html");
        response.setHeader("apprisk", reportStatus.name());
        PrintWriter out = response.getWriter();
        out.println(reportText);
        out.flush();
        out.close();
        log.info("Returned report");
        return true;
    } catch (IOException e) {
        log.error("Report not sent: " + e.toString());
        return false;
    }
}

From source file:com.shz.foundation.utils.Servlets.java

/**
 * //from   w  ww .  j  a  v a  2 s . c  o m
 * @param response
 * @param image 
 * @param sufix ?
 */
public static void writeBufferedImage(HttpServletResponse response, BufferedImage image, String sufix)
        throws IOException {
    response.setHeader("Cache-Control", "private,no-cache,no-store");
    response.setContentType("image/" + sufix);
    ImageIO.write(image, sufix, response.getOutputStream());
    response.getOutputStream().close();
}

From source file:com.lushapp.common.web.utils.DownloadUtils.java

public static void download(HttpServletRequest request, HttpServletResponse response, String filePath,
        String displayName) throws IOException {
    File file = new File(filePath);

    if (StringUtils.isEmpty(displayName)) {
        displayName = file.getName();//from   w  w w  .  jav a 2  s .co m
    }

    if (!file.exists() || !file.canRead()) {
        response.setContentType("text/html;charset=utf-8");
        response.getWriter().write("??");
        return;
    }

    response.reset();
    WebUtils.setNoCacheHeader(response);

    response.setContentType("application/x-download");
    response.setContentLength((int) file.length());

    String displayFilename = displayName.substring(displayName.lastIndexOf("_") + 1);
    displayFilename = displayFilename.replace(" ", "_");
    WebUtils.setDownloadableHeader(request, response, displayFilename);
    BufferedInputStream is = null;
    OutputStream os = null;
    try {

        os = response.getOutputStream();
        is = new BufferedInputStream(new FileInputStream(file));
        IOUtils.copy(is, os);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(is);
    }
}

From source file:alfio.controller.AdminController.java

private static void downloadTicketsCSV(String eventName, String fileName, String[] header, Principal principal,
        HttpServletResponse response, EventManager eventManager, Function<Ticket, String[]> ticketMapper)
        throws IOException {
    Validate.isTrue(StringUtils.isNotBlank(eventName), "Event name is not valid");
    List<Ticket> tickets = eventManager.findAllConfirmedTickets(eventName, principal.getName());
    response.setContentType("text/csv;charset=UTF-8");
    response.setHeader("Content-Disposition", "attachment; filename=" + eventName + "-" + fileName + ".csv");
    try (ServletOutputStream out = response.getOutputStream()) {
        for (int marker : BOM_MARKERS) {//UGLY-MODE_ON: specify that the file is written in UTF-8 with BOM, thanks to alexr http://stackoverflow.com/a/4192897
            out.write(marker);/*from w  ww .  j a v a 2s .  c o m*/
        }
        CSVWriter writer = new CSVWriter(new OutputStreamWriter(out));
        writer.writeNext(header);
        tickets.stream().map(ticketMapper).forEach(writer::writeNext);
        writer.flush();
        out.flush();
    }
}

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Admin.CUDEventos.java

protected static void eliminarTaller(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList r = CtrlAdmin.eliminarTaller(Integer.parseInt(request.getParameter("1"))); // id

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    if (r.get(0) == "error") {
        JSONObject obj = new JSONObject();
        obj.put("isError", true);
        obj.put("errorDescrip", r.get(1));
        out.print(obj);/*from  w  w w  .  ja v a 2 s  .c o  m*/
    } else if (r.get(0) == "isExitoso") {
        JSONObject obj = new JSONObject();
        obj.put("Exitoso", true);
        out.print(obj);
    } else
        Util.errordeRespuesta(r, out);
}

From source file:gov.nih.nci.evs.browser.servlet.ValueSetServlet.java

public static void create_vs_subtree(HttpServletRequest request, HttpServletResponse response, int view,
        String dictionary, String version, String vsd_uri) {

    request.getSession().removeAttribute("b");
    request.getSession().removeAttribute("m");

    response.setContentType("text/html");
    PrintWriter out = null;/*from ww w .  j av a  2 s  .c o m*/

    //String checked_vocabularies = HTTPUtils.cleanXSS((String) request.getParameter("checked_vocabularies"));
    //String partial_checked_vocabularies = HTTPUtils.cleanXSS((String) request.getParameter("partial_checked_vocabularies"));
    //System.out.println("partial_checked_vocabularies: " + partial_checked_vocabularies);

    try {
        out = response.getWriter();
    } catch (Exception ex) {
        ex.printStackTrace();
        return;
    }

    //String message = (String) request.getSession().getAttribute("message");

    try {
        out.close();
    } catch (Exception ex) {
        ex.printStackTrace();
        return;
    }
}

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Admin.CUDEventos.java

protected static void eliminarConvocatoria(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    ArrayList r = CtrlAdmin.eliminarConvocatoria(Integer.parseInt(request.getParameter("1"))); // id

    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    if (r.get(0) == "error") {
        JSONObject obj = new JSONObject();
        obj.put("isError", true);
        obj.put("errorDescrip", r.get(1));
        out.print(obj);/*from   www .  j  a v a 2  s  . com*/
    } else if (r.get(0) == "isExitoso") {
        JSONObject obj = new JSONObject();
        obj.put("Exitoso", true);
        out.print(obj);
    } else
        Util.errordeRespuesta(r, out);
}

From source file:com.baoqilai.core.util.WebUtils.java

/**
 * ?contentTypeheaders.// ww w. j a  v  a  2  s .  co  m
 */
private static HttpServletResponse initResponseHeader(final String contentType, final String... headers) {
    // ?headers?
    String encoding = DEFAULT_ENCODING;
    boolean noCache = DEFAULT_NOCACHE;
    for (String header : headers) {
        String headerName = StringUtils.substringBefore(header, ":");
        String headerValue = StringUtils.substringAfter(header, ":");

        if (StringUtils.equalsIgnoreCase(headerName, HEADER_ENCODING)) {
            encoding = headerValue;
        } else if (StringUtils.equalsIgnoreCase(headerName, HEADER_NOCACHE)) {
            noCache = Boolean.parseBoolean(headerValue);
        } else {
            throw new IllegalArgumentException(headerName + "??header");
        }
    }

    HttpServletResponse response = ServletActionContext.getResponse();

    // headers?
    String fullContentType = contentType + ";charset=" + encoding;
    response.setContentType(fullContentType);
    if (noCache) {
        setDisableCacheHeader(response);
    }

    return response;
}

From source file:lc.kra.servlet.FileManagerServlet.java

private static void downloadFile(HttpServletResponse response, File file, String name, String contentType)
        throws IOException {
    response.setContentType(contentType);
    response.setHeader("Content-Disposition", "attachment; filename=\"" + name + "\"");
    copyStream(new FileInputStream(file), response.getOutputStream());
}

From source file:co.edu.UNal.ArquitecturaDeSoftware.Bienestar.Vista.App.Usuario.Read.java

protected static void obtenerTotalTalleres(HttpServletRequest request, HttpServletResponse response)
        throws IOException {
    int numC = CtrlUsuario.obtenerTotalTalleres();
    response.setContentType("application/json;charset=UTF-8");
    PrintWriter out = response.getWriter();
    JSONObject obj = new JSONObject();
    obj.put("total", numC);
    out.print(obj);//from ww w.  j  av  a 2s.c o m
}