Example usage for javax.servlet.http HttpServletResponse getOutputStream

Introduction

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

Prototype

public ServletOutputStream getOutputStream() throws IOException;

Source Link

Document

Returns a ServletOutputStream suitable for writing binary data in the response.

Usage

From source file:invio.util.ArquivoUtil.java

public static void exportaPDF(String path) {
    FacesContext facesContext = FacesContext.getCurrentInstance();
    ExternalContext externalContext = facesContext.getExternalContext();
    HttpServletResponse response = (HttpServletResponse) externalContext.getResponse();
    response.setContentType("application/pdf");
    try {/*from   w ww.ja va  2  s.  c  o m*/
        FileInputStream input = new FileInputStream(path);
        byte[] bytes = IOUtils.toByteArray(input);
        OutputStream output = response.getOutputStream();
        output.write(bytes);
        IOUtils.closeQuietly(input);
        IOUtils.closeQuietly(output);
    } catch (IOException e) {
    }
}

From source file:cz.cas.lib.proarc.authentication.utils.AuthUtils.java

/**
 * Writes the authentication OK status to the HTTP response.
 * @param response response//from   w  ww .  j a  v a2 s .  com
 * @throws IOException failure
 * @see <a href='http://www.smartclient.com/smartgwt/javadoc/com/smartgwt/client/docs/Relogin.html'>SmartGWT Relogin</a>
 */
public static void setLoginSuccesResponse(HttpServletResponse response) throws IOException {
    response.setStatus(HttpServletResponse.SC_OK);
    response.setContentType(MediaType.TEXT_HTML);
    InputStream res = ProarcAuthFilter.class.getResourceAsStream("loginSuccessMarker.html");
    try {
        IOUtils.copy(res, response.getOutputStream());
        res.close();
    } finally {
        IOUtils.closeQuietly(res);
    }
}

From source file:org.jivesoftware.openfire.reporting.graph.GraphServlet.java

private static void writeImageContent(HttpServletResponse response, byte[] imageData, String contentType)
        throws IOException {
    ServletOutputStream os = response.getOutputStream();
    response.setContentType(contentType);
    os.write(imageData);/*w  w w  .j  a v  a2  s.  c om*/
    os.flush();
    os.close();
}

From source file:com.handpay.ibenefit.framework.util.WebUtils.java

public static OutputStream buildGzipOutputStream(HttpServletResponse response) throws IOException {
    response.setHeader("Content-Encoding", "gzip");
    response.setHeader("Vary", "Accept-Encoding");
    return new GZIPOutputStream(response.getOutputStream());
}

From source file:edu.cornell.mannlib.vitro.webapp.controller.ajax.SparqlUtils.java

public static void executeQuery(HttpServletResponse response, Query query, Model model) throws IOException {
    Dataset dataset = DatasetFactory.create(model);
    QueryExecution qe = QueryExecutionFactory.create(query, dataset);
    try {//from ww  w .  ja va 2 s. com
        ResultSet results = qe.execSelect();
        response.setContentType(RESPONSE_MIME_TYPE);
        OutputStream out = response.getOutputStream();
        ResultSetFormatter.outputAsJSON(out, results);
    } finally {
        qe.close();
    }
}

From source file:com.soolr.core.web.Servlets.java

public static void output(HttpServletResponse response, String contentType, Object content) throws IOException {
    ServletOutputStream output = response.getOutputStream();
    try {//  w  ww  .j av a  2 s. co  m
        response.setContentType(contentType);
        if (content instanceof byte[]) {
            byte[] temp = (byte[]) content;
            output.write(temp);
        } else if (content instanceof String) {
            output.print(String.valueOf(content));
        }
    } finally {
        output.flush();
        output.close();
    }
}

From source file:org.myjerry.util.ResponseUtil.java

public static final ModelAndView sendFileToDownload(HttpServletResponse response, String fileToDownload,
        String fileName, String contentType, boolean isHttp11) throws IOException {

    response.reset();/* www  .j av  a  2 s  . c om*/

    setNoCache(response, isHttp11);

    response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
    response.setContentType(contentType);

    ServletOutputStream out;
    out = response.getOutputStream();
    out.print(fileToDownload);
    out.flush();
    out.close();

    return null;
}

From source file:com.ykun.commons.utils.excel.ExcelUtils.java

/**
 * xls// w ww.  j a  v  a  2 s  . co m
 *
 * @param <T>      the type parameter
 * @param response the response
 * @param list     the list
 * @param fileName the file name
 * @throws IOException the io exception
 */
public static <T> void download(HttpServletResponse response, List<T> list, String fileName)
        throws IOException {
    setContentType(response, fileName);
    export(list, response.getOutputStream());
}

From source file:com.kolich.havalo.controllers.api.ObjectApi.java

private static final void streamObject(final DiskObject object, final HttpServletResponse response) {
    try (final InputStream is = new FileInputStream(object.getFile());
            final OutputStream os = response.getOutputStream()) {
        copyLarge(is, os);//from  ww w.  j  a  va  2 s.  com
    } catch (Exception e) {
        // On any Exception case, just log the failure and move on.
        // We're closing the output stream in the finally{} block below
        // so it's not like we can fail here then somehow return an error
        // message to the API consumer.  We're handling this as gracefully
        // as best we can.
        logger__.error("Failed to stream object to client.", e);
    }
}

From source file:br.org.ipti.guigoh.util.DownloadService.java

public static synchronized void downloadFile(File file, String mimeType) {
    FacesContext facesContext = FacesContext.getCurrentInstance();
    ExternalContext context = facesContext.getExternalContext();
    HttpServletResponse response = (HttpServletResponse) context.getResponse();
    response.setHeader("Content-Disposition", "attachment;filename=\"" + file.getName() + "\"");
    response.setContentLength((int) file.length());
    response.setContentType(mimeType);//from   w ww .j  a v  a 2s .c  o m
    try {
        OutputStream out;
        try (FileInputStream in = new FileInputStream(file)) {
            out = response.getOutputStream();
            byte[] buf = new byte[(int) file.length()];
            int count;
            while ((count = in.read(buf)) >= 0) {
                out.write(buf, 0, count);
            }
        }
        out.flush();
        out.close();
        facesContext.responseComplete();
    } catch (IOException ex) {
        System.out.println("Error in downloadFile: " + ex.getMessage());
    }
}