Example usage for javax.servlet.http HttpServletResponse addHeader

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

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Introduction

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

Prototype

public void addHeader(String name, String value);

Source Link

Document

Adds a response header with the given name and value.

Usage

From source file:org.openmrs.module.emtfrontend.web.controller.EmtFrontendFormController.java

private void returnPdf(HttpServletResponse response, File pdfFile, String filenameToReturn)
        throws FileNotFoundException, IOException {
    response.setContentType("application/pdf");
    response.addHeader("Content-Disposition", "attachment; filename=" + filenameToReturn);
    response.setContentLength((int) pdfFile.length());

    FileInputStream fileInputStream = null;
    OutputStream responseOutputStream = null;
    try {/*  w w  w  . ja v a 2 s . c o m*/
        fileInputStream = new FileInputStream(pdfFile);
        responseOutputStream = response.getOutputStream();
        int bytes;
        while ((bytes = fileInputStream.read()) != -1) {
            responseOutputStream.write(bytes);
        }
    } finally {
        if (fileInputStream != null)
            fileInputStream.close();
    }
}

From source file:org.openmrs.module.emtfrontend.web.controller.EmtFrontendFormController.java

private void returnCsv(HttpServletResponse response, File csvFile, String filenameToReturn)
        throws FileNotFoundException, IOException {
    response.setContentType("application/csv");
    response.addHeader("Content-Disposition", "attachment; filename=" + filenameToReturn);
    response.setContentLength((int) csvFile.length());

    FileInputStream fileInputStream = null;
    OutputStream responseOutputStream = null;
    try {//from  w  ww.  j a v a 2  s  .  c  o m
        fileInputStream = new FileInputStream(csvFile);
        responseOutputStream = response.getOutputStream();
        int bytes;
        while ((bytes = fileInputStream.read()) != -1) {
            responseOutputStream.write(bytes);
        }
    } finally {
        if (fileInputStream != null)
            fileInputStream.close();
    }
}

From source file:co.com.realtech.mariner.util.jsf.file.FileDownloader.java

/**
 * Descargar archivo a travs del FacesContext.
 *
 * @param context/*  w  w w  .  java  2  s .  co m*/
 * @param bytes
 * @param nombreArchivo
 */
public void descargarArchivoFacesContext(FacesContext context, byte[] bytes, String nombreArchivo) {
    ExternalContext externalContext = context.getExternalContext();
    HttpServletResponse response = (HttpServletResponse) externalContext.getResponse();
    try {
        if (bytes == null) {
            System.out.println("Bytes nulos en respuesta de PDF");
        } else {
            try (ServletOutputStream servletOutputStream = response.getOutputStream()) {
                response.addHeader("Content-Type", "application/pdf");
                response.addHeader("Content-Disposition", "attachment; filename=" + nombreArchivo + ".pdf");
                response.setContentLength(bytes.length);
                response.setContentType("application/pdf");
                servletOutputStream.write(bytes);
                servletOutputStream.flush();
                context.responseComplete();
            }
        }
    } catch (Exception e) {
        System.out.println("Error enviando archivo PDF, error causado por " + e);
    }
}

From source file:net.gplatform.sudoor.server.captcha.model.CaptchaEngine.java

public void renderCapcha(HttpServletRequest request, HttpServletResponse response) throws Exception {
    // Set to expire far in the past.
    response.setDateHeader("Expires", 0);
    // Set standard HTTP/1.1 no-cache headers.
    response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    // Set standard HTTP/1.0 no-cache header.
    response.setHeader("Pragma", "no-cache");

    // return a jpeg
    response.setContentType("image/jpeg");

    // create the text for the image
    String capText = captchaProducer.createText();

    // store the text in the session
    request.getSession().setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
    logger.debug("Save Captcha: {} in Session:{}", capText, request.getSession().getId());

    // create the image with the text
    BufferedImage bi = captchaProducer.createImage(capText);

    ServletOutputStream out = response.getOutputStream();

    // write the data out
    ImageIO.write(bi, "jpg", out);
    try {//w  w  w  .j  ava  2s.  c om
        out.flush();
    } finally {
        out.close();
    }
}

From source file:se.inera.certificate.proxy.mappings.remote.RemoteDispatcher.java

private void doDispatch(HttpServletRequest httpRequest, HttpServletResponse httpResponse) throws IOException {
    URI newUrl = buildNewURL(httpRequest, remoteMapping);

    HttpResponse resp = makeRequest(httpRequest, newUrl);

    httpResponse.setStatus(resp.getStatusLine().getStatusCode());
    for (Header h : resp.getAllHeaders()) {
        httpResponse.addHeader(h.getName(), h.getValue());
    }//from  w  ww .j a va2  s.  c om

    sendResponseEntity(httpResponse, resp.getEntity());
}

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

private void generaReporte(String tipo, List<Sobre> diezmos, HttpServletResponse response)
        throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(diezmos);//w w w .  j  ava 2 s .co  m
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition", "attachment; filename=diezmos.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.usefullc.platform.common.utils.IOUtils.java

/**
 * /*from w  ww  . j  a  v a 2  s.com*/
 * 
 * @param path
 * @param fileName
 * @param response
 * @return
 */
public static void download(String path, String fileName, HttpServletResponse response) {
    try {

        if (StringUtils.isEmpty(path)) {
            throw new IllegalArgumentException("?");
        } else {
            File file = new File(path);
            if (!file.exists()) {
                throw new IllegalArgumentException("??");
            }
        }
        if (StringUtils.isEmpty(fileName)) {
            throw new IllegalArgumentException("???");
        }
        if (response == null) {
            throw new IllegalArgumentException("response ?");
        }

        // path
        File file = new File(path);

        // ??
        InputStream fis = new BufferedInputStream(new FileInputStream(path));
        byte[] buffer = new byte[fis.available()];
        fis.read(buffer);
        fis.close();
        // response
        response.reset();

        // ??linux ?  linux utf-8,windows  GBK)
        String defaultEncoding = System.getProperty("file.encoding");
        if (defaultEncoding != null && defaultEncoding.equals("UTF-8")) {

            response.addHeader("Content-Disposition",
                    "attachment;filename=" + new String(fileName.getBytes("GBK"), "iso-8859-1"));
        } else {
            response.addHeader("Content-Disposition",
                    "attachment;filename=" + new String(fileName.getBytes(), "iso-8859-1"));
        }

        // responseHeader
        response.addHeader("Content-Length", "" + file.length());
        response.setContentType("application/octet-stream");
        OutputStream toClient = new BufferedOutputStream(response.getOutputStream());
        toClient.write(buffer);
        toClient.flush();
        toClient.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:org.fcrepo.http.commons.api.HttpHeaderInjector.java

/**
 * Add additional Http Headers/*from  www . j a  v  a2 s.  c om*/
 *
 * @param servletResponse the response
 * @param uriInfo the URI context
 * @param resource the resource
 */
public void addHttpHeaderToResponseStream(final HttpServletResponse servletResponse, final UriInfo uriInfo,
        final FedoraResource resource) {

    getUriAwareHttpHeaderFactories().forEach((bean, factory) -> {
        LOGGER.debug("Adding HTTP headers using: {}", bean);
        final Multimap<String, String> h = factory.createHttpHeadersForResource(uriInfo, resource);

        h.entries().forEach(entry -> {
            servletResponse.addHeader(entry.getKey(), entry.getValue());
        });
    });
}

From source file:mx.gob.cfe.documentos.web.OficioController.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=oficio.pdf");
        break;/*www . j a va 2s.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:org.ow2.proactive.workflow_catalog.rest.controller.WorkflowController.java

@ApiOperation(value = "Gets a workflow's metadata by IDs", notes = "Returns metadata associated to the latest revision of the workflow.")
@ApiResponses(value = @ApiResponse(code = 404, message = "Bucket or workflow not found"))
@RequestMapping(value = "/buckets/{bucketId}/workflows/{idList}", method = GET)
public ResponseEntity<?> get(@PathVariable Long bucketId, @PathVariable List<Long> idList,
        @ApiParam(value = "Force response to return workflow XML content when set to 'xml'. Or extract workflows as ZIP when set to 'zip'.") @RequestParam(required = false) Optional<String> alt,
        HttpServletResponse response) throws MalformedURLException {
    if (alt.isPresent() && ZIP_EXTENSION.equals(alt.get())) {
        byte[] zip = workflowService.getWorkflowsAsArchive(bucketId, idList);

        response.setStatus(HttpServletResponse.SC_OK);
        response.setContentType("application/zip");
        response.addHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"archive.zip\"");
        response.addHeader(HttpHeaders.CONTENT_ENCODING, "binary");
        try {// w ww. j a v a  2 s  .c o m
            response.getOutputStream().write(zip);
            response.getOutputStream().flush();
        } catch (IOException ioe) {
            throw new RuntimeException(ioe);
        }
        return ResponseEntity.ok().build();
    } else {
        if (idList.size() == 1) {
            return workflowService.getWorkflowMetadata(bucketId, idList.get(0), alt);
        } else {
            return ResponseEntity.badRequest().build();
        }
    }
}