Example usage for javax.servlet ServletOutputStream write

Introduction

In this page you can find the example usage for javax.servlet ServletOutputStream write.

Prototype

public void write(byte b[], int off, int len) throws IOException 

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this output stream.

Usage

From source file:cz.incad.Kramerius.audio.AudioHttpRequestForwarder.java

private void forwardData(InputStream input, ServletOutputStream output) {
    try {/*from w ww  . j a  v a 2  s . com*/
        byte[] buffer = new byte[BUFFER_SIZE];
        int bytesForwarded;
        while ((bytesForwarded = input.read(buffer)) != -1) {
            output.write(buffer, 0, bytesForwarded);
        }
    } catch (IOException ex) {
        if (ex.getCause() != null && ex.getCause() instanceof SocketException
                && (ex.getCause().getMessage().equals(CONNECTION_RESET)
                        || ex.getCause().getMessage().equals(BROKEN_PIPE))) {
            LOGGER.warning("Connection reset probably by client (or by repository)");
        } else {
            LOGGER.log(Level.SEVERE, null, ex);
        }
    } finally {
        try {
            LOGGER.fine("closing connection to repository");
            input.close();
            //output stream should not be closed here because it is closed by container. 
            //If closed here, for example filters won't be able to write to stream anymore
        } catch (IOException ex1) {
            LOGGER.log(Level.SEVERE, "Failed to close connection to repository", ex1);
        }
    }
}

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From source file:UploadDownloadFile.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    processRequest(request, response);/*w  ww. j a v  a 2s. c om*/
    System.out.println("--> doGet -->");
    String filePath;

    String fileName = request.getParameter("fileName");
    if (fileName == null || fileName.equals("")) {
        throw new ServletException("File Name can't be null or empty");
    }
    final String clientip = request.getRemoteAddr().replace(":", "_");
    filePath = "/Users/" + currentuser + "/GlassFish_Server/glassfish/domains/domain1/tmpfiles/Uploaded/"
            + clientip + "/";
    File file = new File(filePath + File.separator + fileName);

    System.out.println("download file = " + file);
    if (!file.exists()) {
        throw new ServletException("File doesn't exists on server.");
    }
    System.out.println("File location on server::" + file.getAbsolutePath());
    ServletContext ctx = getServletContext();
    InputStream fis = new FileInputStream(file);
    String mimeType = ctx.getMimeType(file.getAbsolutePath());
    response.setContentType(mimeType != null ? mimeType : "application/octet-stream");
    response.setContentLength((int) file.length());
    response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

    ServletOutputStream os = response.getOutputStream();
    byte[] bufferData = new byte[1024];
    int read = 0;
    while ((read = fis.read(bufferData)) != -1) {
        os.write(bufferData, 0, read);
    }
    os.flush();
    os.close();
    fis.close();
    System.out.println("File downloaded at client successfully");
}

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From source file:com.arcadian.loginservlet.StudentAssignmentServlet.java

/**
 * Handles the HTTP/*from  w  w  w  . ja v a2s. c o  m*/
 * <code>GET</code> method.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    if (request.getParameter("filename") != null) {
        String fileName = request.getParameter("filename");
        File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator + fileName);
        System.out.println("File location on server::" + file.getAbsolutePath());
        ServletContext ctx = getServletContext();
        InputStream fis = new FileInputStream(file);
        String mimeType = ctx.getMimeType(file.getAbsolutePath());
        System.out.println("mime type=" + mimeType);
        response.setContentType(mimeType != null ? mimeType : "application/octet-stream");
        response.setContentLength((int) file.length());
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

        ServletOutputStream os = response.getOutputStream();
        byte[] bufferData = new byte[102400];
        int read = 0;
        while ((read = fis.read(bufferData)) != -1) {
            os.write(bufferData, 0, read);
        }
        os.flush();
        os.close();
        fis.close();
        System.out.println("File downloaded at client successfully");
    }
    processRequest(request, response);
}

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From source file:org.flowable.app.rest.idm.IdmProfileResource.java

@RequestMapping(value = "/profile-picture", method = RequestMethod.GET)
public void getProfilePicture(HttpServletResponse response) {
    try {/*from  w  ww  . j av  a2  s .  c  o  m*/
        Pair<String, InputStream> picture = profileService.getProfilePicture();
        if (picture == null) {
            throw new NotFoundException();
        }
        response.setContentType(picture.getLeft());
        ServletOutputStream servletOutputStream = response.getOutputStream();

        byte[] buffer = new byte[32384];
        while (true) {
            int count = picture.getRight().read(buffer);
            if (count == -1)
                break;
            servletOutputStream.write(buffer, 0, count);
        }

        // Flush and close stream
        servletOutputStream.flush();
        servletOutputStream.close();
    } catch (Exception e) {
        throw new InternalServerErrorException("Could not get profile picture", e);
    }
}

---

From source file:com.arcadian.loginservlet.LecturesServlet.java

/**
 * Handles the HTTP//  w ww.  ja va  2  s . com
 * <code>GET</code> method.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    if (request.getParameter("filename") != null) {
        String fileName = request.getParameter("filename");
        File file = new File(request.getServletContext().getAttribute("FILES_DIR") + File.separator + fileName);
        System.out.println("File location on server::" + file.getAbsolutePath());
        ServletContext ctx = getServletContext();
        InputStream fis = new FileInputStream(file);
        String mimeType = ctx.getMimeType(file.getAbsolutePath());
        System.out.println("mime type=" + mimeType);
        response.setContentType(mimeType != null ? mimeType : "application/octet-stream");
        response.setContentLength((int) file.length());
        response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");

        ServletOutputStream os = response.getOutputStream();
        byte[] bufferData = new byte[102400];
        int read = 0;
        while ((read = fis.read(bufferData)) != -1) {
            os.write(bufferData, 0, read);
        }
        os.flush();
        os.close();
        fis.close();
        System.out.println("File downloaded at client successfully");
    }

    processRequest(request, response);
}

---

From source file:com.exedio.cope.live.MediaServlet.java

void doRequest(final HttpServletRequest request, final HttpServletResponse response, final Anchor anchor) {
    final String featureID = request.getParameter(FEATURE);
    if (featureID == null)
        throw new NullPointerException();
    final Media feature = (Media) model.getFeature(featureID);
    if (feature == null)
        throw new NullPointerException(featureID);

    final String itemID = request.getParameter(ITEM);
    if (itemID == null)
        throw new NullPointerException();

    final Item item;
    try {//from   w  ww . j  a v  a2 s.  co m
        startTransaction("media(" + featureID + ',' + itemID + ')');
        item = model.getItem(itemID);
        model.commit();
    } catch (final NoSuchIDException e) {
        throw new RuntimeException(e);
    } finally {
        model.rollbackIfNotCommitted();
    }

    final FileItem fi = anchor.getModification(feature, item);
    if (fi == null)
        throw new NullPointerException(featureID + '-' + itemID);
    response.setContentType(fi.getContentType());
    response.setContentLength((int) fi.getSize());

    InputStream in = null;
    ServletOutputStream out = null;
    try {
        in = fi.getInputStream();
        out = response.getOutputStream();

        final byte[] b = new byte[20 * 1024];
        for (int len = in.read(b); len >= 0; len = in.read(b))
            out.write(b, 0, len);
    } catch (final IOException e) {
        throw new RuntimeException(e);
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (final IOException e) {
                e.printStackTrace();
            }
        }
        if (out != null) {
            try {
                out.close();
            } catch (final IOException e) {
                e.printStackTrace();
            }
        }
    }
}

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From source file:br.com.hslife.orcamento.controller.ArquivoController.java

public void baixarArquivo() {
    HttpServletResponse response = (HttpServletResponse) FacesContext.getCurrentInstance().getExternalContext()
            .getResponse();//  ww  w  .j  a  v a 2  s.c om
    try {
        response.setContentType(entity.getContentType());
        response.setHeader("Content-Disposition", "attachment; filename=" + entity.getNomeArquivo());
        response.setContentLength(entity.getDados().length);
        ServletOutputStream output = response.getOutputStream();
        output.write(entity.getDados(), 0, entity.getDados().length);
        FacesContext.getCurrentInstance().responseComplete();
    } catch (Exception e) {
        errorMessage(e.getMessage());
    }
}

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From source file:pl.psnc.synat.wrdz.zmkd.plan.MigrationPlansBean.java

/**
 * XML migration plan file download action. Sets request response as XML stream.
 * // w w  w .ja  va 2  s. com
 * @param plan
 *            plan from which XML file is taken
 */
public void downloadXML(MigrationPlan plan) {
    HttpServletResponse response = (HttpServletResponse) FacesContext.getCurrentInstance().getExternalContext()
            .getResponse();
    response.setContentType("text/xml");
    response.setHeader("Content-Disposition", "attachment; filename=migration_plan_" + plan.getId() + ".xml");
    response.setContentLength(plan.getXmlFile().length());
    try {
        ServletOutputStream ouputStream = response.getOutputStream();
        ouputStream.write(plan.getXmlFile().getBytes(), 0, plan.getXmlFile().getBytes().length);
        ouputStream.flush();
        ouputStream.close();
    } catch (Exception ex) {
        LOGGER.error(ex);
    }
}

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From source file:info.magnolia.rendering.engine.RenderingFilter.java

/**
 * Send data as is./*  w  w  w.  j  a va2  s.  c  o m*/
 * @param is Input stream for the resource
 * @param response HttpServletResponse as received by the service method
 * @throws IOException standard servlet exception
 */
private void sendUnCompressed(InputStream is, HttpServletResponse response) throws IOException {
    ServletOutputStream os = response.getOutputStream();
    byte[] buffer = new byte[8192];
    int read;
    while ((read = is.read(buffer)) > 0) {
        os.write(buffer, 0, read);
    }
    os.flush();
    IOUtils.closeQuietly(os);
}

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From source file:shapeways.api.robocreator.RoboCreatorWeb.java

private void issueError(String reason, HttpServletResponse resp) throws IOException {
    HashMap<String, Object> result = new HashMap<String, Object>();
    Gson gson = new Gson();

    result.put("result", "failure");
    result.put("reason", reason);

    String json = gson.toJson(result);

    resp.setContentLength(json.length());
    resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);

    ServletOutputStream sos = resp.getOutputStream();
    byte[] ba = json.getBytes();
    sos.write(ba, 0, ba.length);

    resp.flushBuffer();//from  ww  w .ja v a2 s.c o  m
}

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