Example usage for javax.servlet.http HttpServletResponse setContentLength

List of usage examples for javax.servlet.http HttpServletResponse setContentLength

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Introduction

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

Prototype

public void setContentLength(int len);

Source Link

Document

Sets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.

Usage

From source file:dk.itst.oiosaml.sp.service.LogoutServiceSOAPHandler.java

/**
 * Return the <LogoutResponse> to the caller
 * /*from w  ww .j  av  a  2s.c  o  m*/
 * @param response
 *            The {@link HttpServletResponse}
 * @param logoutResponse
 *            The <LogoutResponse> to return to the caller
 */
private void returnResponse(HttpServletResponse response, OIOLogoutResponse logoutResponse,
        Credential credential) {
    logoutResponse.sign(credential);

    // Build output...
    String envelope = logoutResponse.toSoapEnvelope();

    if (log.isDebugEnabled())
        log.debug("Response..: " + envelope);

    byte[] b;
    try {
        b = envelope.getBytes("UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new WrappedException(Layer.CLIENT, e);
    }
    response.setContentLength(b.length);
    response.setCharacterEncoding("UTF-8");
    response.setContentType("text/xml");
    response.setStatus(HttpServletResponse.SC_OK);
    try {
        response.getOutputStream().write(b);
    } catch (IOException e) {
        throw new WrappedException(Layer.CLIENT, e);
    }
}

From source file:in.arun.faces.fo.pdf.FoOutputStream.java

@Override
public void close() throws IOException {
    if (closed) {
        throw new IOException("Stream has already been closed");
    }//from  w w  w.j a v a2 s  . co m

    closed = true;
    PdfResult result = buildPdf(this);

    FacesContext context = FacesContext.getCurrentInstance();

    HttpServletResponse response = (HttpServletResponse) context.getExternalContext().getResponse();
    HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();

    response.reset();

    String fileName;
    if (null == (fileName = request.getParameter("output"))) {
        fileName = FilenameUtils.getBaseName(request.getRequestURL().toString());
    }

    fileName += ".pdf";

    response.setContentType(result.contentType);
    response.setContentLength(result.content.length);
    response.setHeader("content-disposition", "inline; FileName=\"" + fileName + "\"");

    OutputStream outputStream = response.getOutputStream();
    outputStream.write(result.content);
    outputStream.flush();

    context.responseComplete();
}

From source file:mx.gob.cfe.documentos.web.DepuracionController.java

/**
 * Metodo utilizado para generrar el pdf
 *
 * @param tipo//from  w  w  w .  ja  v a 2  s.  c o  m
 * @param documentos
 * @param response
 * @throws JRException
 * @throws IOException
 */
private void generaReporte(String tipo, List<Documento> documentos, HttpServletResponse response)
        throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(documentos);
        response.setContentType("application/pdf");
        Date fecha = new Date();
        response.addHeader("Content-Disposition",
                "attachment; filename=" + fecha.toString() + "depuracion.pdf");
        break;

    }
    if (archivo != null) {
        response.setContentLength(archivo.length);
        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
            bos.write(archivo);
            bos.flush();
        }
    }

}

From source file:com.ephesoft.dcma.gwt.foldermanager.server.UploadDownloadFilesServlet.java

private void downloadFile(HttpServletResponse response, String currentFileDownloadPath) {
    LOG.info(DOWNLOADING_FILE_FROM_PATH + currentFileDownloadPath);
    DataInputStream inputStream = null;
    ServletOutputStream outStream = null;
    try {/*ww  w  .  j  a va  2 s .c  om*/
        outStream = response.getOutputStream();
        File file = new File(currentFileDownloadPath);
        int length = 0;
        String mimetype = APPLICATION_OCTET_STREAM;
        response.setContentType(mimetype);
        response.setContentLength((int) file.length());
        String fileName = file.getName();
        response.setHeader(CONTENT_DISPOSITION, ATTACHMENT_FILENAME + fileName + CLOSING_QUOTES);
        byte[] byteBuffer = new byte[1024];
        inputStream = new DataInputStream(new FileInputStream(file));
        length = inputStream.read(byteBuffer);
        while ((inputStream != null) && (length != -1)) {
            outStream.write(byteBuffer, 0, length);
            length = inputStream.read(byteBuffer);
        }
        LOG.info(DOWNLOAD_COMPLETED_FOR_FILEPATH + currentFileDownloadPath);
    } catch (IOException e) {
        LOG.error(EXCEPTION_OCCURED_WHILE_DOWNLOADING_A_FILE_FROM_THE_FILE_PATH + currentFileDownloadPath);
        LOG.error(e.getMessage());
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
                LOG.error(UNABLE_TO_CLOSE_INPUT_STREAM_FOR_FILE_DOWNLOAD);
            }
        }
        if (outStream != null) {
            try {
                outStream.flush();
            } catch (IOException e) {
                LOG.error(UNABLE_TO_FLUSH_OUTPUT_STREAM_FOR_DOWNLOAD);
            }
            try {
                outStream.close();
            } catch (IOException e) {
                LOG.error(UNABLE_TO_CLOSE_OUTPUT_STREAM_FOR_DOWNLOAD);
            }

        }
    }
}

From source file:com.novartis.pcs.ontology.rest.servlet.GraphServlet.java

@Override
protected void doOptions(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String mediaType = getExpectedMediaType(request);

    if (mediaType != null) {
        // Preflight CORS support
        response.setStatus(HttpServletResponse.SC_OK);
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "GET");
        response.setIntHeader("Access-Control-Max-Age", 60 * 60 * 24);
        response.setContentType(mediaType + ";charset=utf-8");
        response.setContentLength(0);
    } else {//ww  w .j  a va 2s  .c o  m
        response.setStatus(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
        response.setContentLength(0);
    }
}

From source file:com.benfante.minimark.controllers.CourseController.java

@RequestMapping
public void exportQuestions(@RequestParam("courseId") Long id, HttpServletRequest req,
        HttpServletResponse res) {
    String result = "";
    Course course = courseDao.get(id);/*from  w  ww. j a va2  s.c  o m*/
    if (course == null) {
        throw new RuntimeException("Course not found");
    }
    userProfileBo.checkEditAuthorization(course);
    result = importerBo.exportCourseQuestions(course);
    OutputStream out = null;
    try {
        byte[] contentBytes = result.getBytes("UTF-8");
        out = res.getOutputStream();
        res.setContentType("text/plain");
        res.setContentLength(contentBytes.length);
        res.setHeader("Content-Disposition",
                " attachment; filename=\"" + course.getName() + "_questions.txt\"");
        res.setHeader("Expires", "0");
        res.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
        res.setHeader("Pragma", "public");
        out.write(contentBytes);
        out.flush();
    } catch (Exception ex) {
        logger.error("Can't export questions for course " + course.getName() + " (" + course.getId() + ")", ex);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException ioe) {
            }
        }
    }
}

From source file:no.dusken.common.plugin.control.web.PluginResourceController.java

@RequestMapping(value = "/pluginresources.do", method = RequestMethod.GET)
public void get(String path, HttpServletResponse response) throws PageNotFoundException {
    String name = "/no/dusken/plugin/content/" + path;
    String filetype = path.substring(path.lastIndexOf("."));
    boolean isAllowedFiletype = allowedFileTypes.contains(filetype);

    if (!isAllowedFiletype) {
        throw new PageNotFoundException(filetype + " not allowed");
    }/*from www.  j a va  2 s. c  om*/

    InputStream inputStream = getClass().getResourceAsStream(name);

    if (inputStream != null) {
        try {
            ByteArrayOutputStream output = new ByteArrayOutputStream();
            IOUtils.copy(inputStream, output);
            response.setContentLength(output.size());
            response.setContentType(getContentType(filetype));
            response.setHeader("Cache-Control", "public, max-age=2505600");
            IOUtils.copy(new ByteArrayInputStream(output.toByteArray()), response.getOutputStream());
        } catch (IOException e) {
            e.printStackTrace();
        }
    } else {
        throw new PageNotFoundException(path);
    }
}

From source file:CounterServer.java

public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    HttpSession session = req.getSession(true);
    int count = 1;
    Integer i = (Integer) session.getAttribute(COUNTER_KEY);
    if (i != null) {
        count = i.intValue() + 5;/*from w  w w  .jav  a 2 s  . c o m*/
    }
    session.setAttribute(COUNTER_KEY, new Integer(count));
    DataInputStream in = new DataInputStream(req.getInputStream());
    resp.setContentType("application/octet-stream");
    ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(byteOut);
    out.writeInt(count);
    out.flush();
    byte[] buf = byteOut.toByteArray();
    resp.setContentLength(buf.length);
    ServletOutputStream servletOut = resp.getOutputStream();
    servletOut.write(buf);
    servletOut.close();
}

From source file:mx.gob.cfe.documentos.web.DocumentoController.java

private void generaReporte(String tipo, List<Documento> documentos, HttpServletResponse response)
        throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(documentos);
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition", "attachment; filename=documento.pdf");
        break;/*from w w w.j a  v a  2  s  .c  o m*/

    }
    if (archivo != null) {
        response.setContentLength(archivo.length);
        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
            bos.write(archivo);
            bos.flush();
        }
    }

}

From source file:net.siegmar.japtproxy.misc.IOHandler.java

protected void setHeader(final HttpServletResponse res, final FetchedResource fetchedResource) {
    final String contentType = fetchedResource.getContentType();
    final long contentLength = fetchedResource.getContentLength();
    final long remoteModification = fetchedResource.getLastModified();

    if (contentType != null) {
        res.setContentType(contentType);
    }/*w  w w  .j  a v a2 s.  co m*/

    if (contentLength != -1) {
        res.setContentLength((int) contentLength);
    }

    if (remoteModification != 0) {
        res.setDateHeader(HttpHeaderConstants.LAST_MODIFIED, remoteModification);
    }
}