Example usage for java.io ByteArrayOutputStream flush

Introduction

In this page you can find the example usage for java.io ByteArrayOutputStream flush.

Prototype

public void flush() throws IOException 

Source Link

Document

Flushes this output stream and forces any buffered output bytes to be written out.

Usage

From source file:com.cloudmaster.cmp.util.AlarmSystem.transfer.HttpSender.java

public ResponseObject send(TransportObject object) throws Exception {
    ResponseObject rs = new ResponseObject();
    ByteArrayOutputStream bOs = null;
    DataOutputStream dOs = null;//from  www . java 2 s . c om
    DataInputStream dIs = null;
    HttpClient client;
    PostMethod meth = null;
    byte[] rawData;
    try {
        bOs = new ByteArrayOutputStream();
        dOs = new DataOutputStream(bOs);
        object.toStream(dOs);
        bOs.flush();
        rawData = bOs.toByteArray();

        client = new HttpClient();
        client.setConnectionTimeout(this.timeout);
        client.setTimeout(this.datatimeout);
        client.setHttpConnectionFactoryTimeout(this.timeout);

        meth = new PostMethod(object.getValue(SERVER_URL));
        // meth = new UTF8PostMethod(url);
        meth.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, ENCODING);
        // meth.addParameter(SERVER_ARGS, new String(rawData,"UTF-8"));

        // meth.setRequestBody(new String(rawData));
        // meth.setRequestBody(new String(rawData,"UTF-8"));

        byte[] base64Array = Base64.encode(rawData).getBytes();
        meth.setRequestBody(new String(base64Array));

        // System.out.println(new String(rawData));

        client.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
                new DefaultHttpMethodRetryHandler(1, false));
        client.executeMethod(meth);

        dIs = new DataInputStream(meth.getResponseBodyAsStream());

        if (meth.getStatusCode() == HttpStatus.SC_OK) {

            Header errHeader = meth.getResponseHeader(HDR_ERROR);

            if (errHeader != null) {
                rs.setError(meth.getResponseBodyAsString());
                return rs;
            }

            rs = ResponseObject.fromStream(dIs);

            return rs;
        } else {
            meth.releaseConnection();
            throw new IOException("Connection failure: " + meth.getStatusLine().toString());
        }
    } finally {
        if (meth != null) {
            meth.releaseConnection();
        }
        if (bOs != null) {
            bOs.close();
        }
        if (dOs != null) {
            dOs.close();
        }
        if (dIs != null) {
            dIs.close();
        }
    }
}

---

From source file:dk.dma.msinm.web.rest.LocationRestService.java

/**
 * Parse the KML file of the uploaded .kmz or .kml file and returns a JSON list of locations
 *
 * @param request the servlet request//w w  w .  java  2  s.  c  o  m
 * @return the corresponding list of locations
 */
@POST
@javax.ws.rs.Path("/upload-kml")
@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces("application/json;charset=UTF-8")
public List<LocationVo> uploadKml(@Context HttpServletRequest request) throws FileUploadException, IOException {
    FileItemFactory factory = RepositoryService.newDiskFileItemFactory(servletContext);
    ServletFileUpload upload = new ServletFileUpload(factory);
    List<FileItem> items = upload.parseRequest(request);

    for (FileItem item : items) {
        if (!item.isFormField()) {
            try {
                // .kml file
                if (item.getName().toLowerCase().endsWith(".kml")) {
                    // Parse the KML and return the corresponding locations
                    return parseKml(IOUtils.toString(item.getInputStream()));
                }

                // .kmz file
                else if (item.getName().toLowerCase().endsWith(".kmz")) {
                    // Parse the .kmz file as a zip file
                    ZipInputStream zis = new ZipInputStream(new BufferedInputStream(item.getInputStream()));
                    ZipEntry entry;

                    // Look for the first zip entry with a .kml extension
                    while ((entry = zis.getNextEntry()) != null) {
                        if (!entry.getName().toLowerCase().endsWith(".kml")) {
                            continue;
                        }

                        log.info("Unzipping: " + entry.getName());
                        int size;
                        byte[] buffer = new byte[2048];
                        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
                        while ((size = zis.read(buffer, 0, buffer.length)) != -1) {
                            bytes.write(buffer, 0, size);
                        }
                        bytes.flush();
                        zis.close();

                        // Parse the KML and return the corresponding locations
                        return parseKml(new String(bytes.toByteArray(), "UTF-8"));
                    }
                }

            } catch (Exception ex) {
                log.error("Error extracting kmz", ex);
            }
        }
    }

    // Return an empty result
    return new ArrayList<>();
}

---

From source file:de.zweipunktfuenf.crypdroid.activities.ActionChooserActivity.java

@Deprecated
private byte[] readDataFile() {
    FileInputStream fis = null;//from w ww . j a v a  2  s.  com
    try {
        fis = openFileInput(CrypdroidActivity.FILE_TEMP_OUT);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        int size;
        byte[] buffer = new byte[4096];
        while (-1 != (size = fis.read(buffer)))
            baos.write(buffer, 0, size);

        baos.flush();
        return baos.toByteArray();

    } catch (FileNotFoundException e) {
        Toast.makeText(this, R.string.error_internal, Toast.LENGTH_LONG).show();
        Log.e("ActionChooserActivity#readDataFile", "" + e.getClass(), e);
        return null;
    } catch (IOException e) {
        Toast.makeText(this, R.string.error_internal, Toast.LENGTH_LONG).show();
        Log.e("ActionChooserActivity#readDataFile", "" + e.getClass(), e);
        return null;
    } finally {
        if (null != fis)
            try {
                fis.close();
            } catch (IOException e) {
                Log.d("ActionChooserActivity#readDataFile", "error while closing internal_out", e);
            }
    }
}

---

From source file:com.patrolpro.servlet.UploadJasperReportServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.// w  w  w .  j a  v a2s.c  om
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    try {
        FileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);

        String companyId = request.getParameter("companyId");

        FileItem fileData = null;
        Integer mobileFormId = null;
        List<FileItem> fields = upload.parseRequest(request);
        for (int f = 0; f < fields.size(); f++) {
            if (fields.get(f).getFieldName().equals("file_data")) {
                fileData = fields.get(f);
            } else if (fields.get(f).getFieldName().equals("mobileFormId")) {
                mobileFormId = Integer.parseInt(fields.get(f).getString());
            }
        }
        if (fileData == null || !fileData.getName().endsWith(".jrxml")) {
            out.write("{\"error\": \"Invalid file type! Please select a jrxml (Jasper Report) file!\"}");
            out.flush();
        } else {
            InputStream iStream = fileData.getInputStream();

            MobileFormService mobileService = new MobileFormService(companyId);

            ByteArrayOutputStream bOutput = new ByteArrayOutputStream();
            byte[] buffer = new byte[2048];
            int bufCount = 0;
            while ((bufCount = iStream.read(buffer)) > -1) {
                bOutput.write(buffer, 0, bufCount);
            }
            bOutput.flush();

            byte[] rawData = bOutput.toByteArray();
            JasperReport jasperReport = JasperCompileManager.compileReport(new ByteArrayInputStream(rawData));
            JRParameter[] params = jasperReport.getParameters();
            HashMap<String, Class> reportParams = new HashMap<String, Class>();
            for (int p = 0; p < params.length; p++) {
                JRParameter param = params[p];
                int searchPos = -1;
                for (int a = 0; a < MobileForms.getReservedIdentifiers().length; a++) {
                    if (MobileForms.getReservedIdentifiers()[a].equals(param.getName())) {
                        searchPos = a;
                    }
                }
                if (!param.isSystemDefined() && searchPos < 0 && !param.getName().startsWith("nfc_l_")
                        && !param.getName().endsWith("_loc")) {
                    reportParams.put(param.getName(), param.getValueClass());
                }
            }

            ByteArrayOutputStream oStream = new ByteArrayOutputStream();

            JasperCompileManager.writeReportToXmlStream(jasperReport, oStream);
            //JasperCompileManager.compileReportToStream(new ByteArrayInputStream(rawData), oStream);

            MobileForms selectedForm = mobileService.getForm(mobileFormId);
            selectedForm.setReportData(oStream.toByteArray());
            mobileService.saveForm(selectedForm);

            Iterator<String> keyIterator = reportParams.keySet().iterator();
            ArrayList<MobileFormData> currData = mobileService.getFormData(selectedForm.getMobileFormsId());
            int numberInserted = 1;
            while (keyIterator.hasNext()) {
                String key = keyIterator.next();

                boolean hasData = false;
                for (int d = 0; d < currData.size(); d++) {
                    if (currData.get(d).getDataLabel().equals(key) && currData.get(d).getActive()) {
                        hasData = true;
                    }
                }
                if (!hasData) {
                    MobileFormData formData = new MobileFormData();
                    formData.setActive(true);
                    formData.setMobileFormsId(selectedForm.getMobileFormsId());
                    formData.setDataLabel(key);
                    if (reportParams.get(key) == Date.class) {
                        formData.setDateType(5);
                    } else if (reportParams.get(key) == InputStream.class) {
                        formData.setDateType(8);
                    } else if (reportParams.get(key) == Boolean.class) {
                        formData.setDateType(3);
                    } else {
                        formData.setDateType(1);
                    }
                    formData.setOrdering(currData.size() + numberInserted);
                    mobileService.saveFormData(formData);

                    numberInserted++;
                }
            }

            out.write("{}");
            out.flush();
        }
    } catch (JRException jr) {
        out.write("{\"error\": \""
                + jr.getMessage().replaceAll("\n", "").replaceAll(":", "").replaceAll("\t", "") + "\"}");
        out.flush();
    } catch (Exception e) {
        out.write("{\"error\": \"Exception uploading report, " + e + "\"}");
        out.flush();
    } finally {
        out.close();
    }
}

---

From source file:com.ar.dev.tierra.api.controller.UsuariosController.java

@RequestMapping(value = "/updatePhoto", method = RequestMethod.POST)
public @ResponseBody ResponseEntity<?> updateUsuario(@RequestParam("file") MultipartFile file,
        OAuth2Authentication authentication) {
    try {/*  w w  w . ja v  a  2 s.  c o m*/
        User user = (User) authentication.getPrincipal();
        Usuarios u = facadeService.getUsuariosDAO().findUsuarioByUsername(user.getUsername());
        if (file.getName().isEmpty() == false) {
            InputStream inputStream = file.getInputStream();
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            int nRead;
            byte[] bytes = new byte[16384];
            while ((nRead = inputStream.read(bytes, 0, bytes.length)) != -1) {
                buffer.write(bytes, 0, nRead);
            }
            buffer.flush();
            u.setImagen(buffer.toByteArray());
            facadeService.getUsuariosDAO().updateUsuario(u);
        }
    } catch (Exception e) {
        return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
    }
    return new ResponseEntity<>(HttpStatus.OK);
}

---

From source file:com.google.api.ads.adwords.awreporting.processors.onmemory.ReportProcessorOnMemoryTest.java

private byte[] getReporDatafromCsv(ReportDefinitionReportType reportType) throws Exception {
    byte[] reportData = reportDataMap.get(reportType);
    if (reportData == null) {
        FileInputStream fis = new FileInputStream(getReportDataFileName(reportType));
        ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);
        GZIPOutputStream gzipOut = new GZIPOutputStream(baos);
        FileUtil.copy(fis, gzipOut);/*from  w  ww .  j a  v  a  2  s . c o  m*/
        gzipOut.flush();
        gzipOut.close();
        reportData = baos.toByteArray();
        reportDataMap.put(reportType, reportData);
        baos.flush();
        baos.close();
    }
    return reportData;
}

---

From source file:com.wabacus.util.Tools.java

public static byte[] getBytesArrayFromInputStream(InputStream is) {
    try {/*  w  ww  .  ja v  a  2 s.c  om*/
        if (is == null)
            return null;
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];
        int len;
        while ((len = is.read(buf)) != -1) {
            baos.write(buf, 0, len);
        }
        is.close();
        baos.flush();
        baos.close();
        return baos.toByteArray();
    } catch (IOException e) {
        log.error("??", e);
        return null;
    }
}

---

From source file:de.tudarmstadt.ukp.clarin.webanno.crowdflower.CrowdClient.java

/**
 * Unzips all elements in the file represented by byte[] data.
 * Needed by retrieveRawJudgments which will retrieve a zip-file with a single JSON
 * @param data//w  w  w  .j av  a  2  s  . c  om
 * @return unzipped data
 * @throws IOException
 */

byte[] unzip(final byte[] data) throws IOException {
    final InputStream input = new ByteArrayInputStream(data);
    final byte[] buffer = new byte[1024];

    final ZipInputStream zip = new ZipInputStream(input);
    final ByteArrayOutputStream out = new ByteArrayOutputStream(data.length);
    int count = 0;

    if (zip.getNextEntry() != null) {
        while ((count = zip.read(buffer)) != -1) {
            out.write(buffer, 0, count);
        }
    }

    out.flush();
    zip.close();
    out.close();

    return out.toByteArray();
}

---

From source file:net.bioclipse.pubchem.business.PubChemManager.java

private String downloadAsString(String URL, String accepts, IProgressMonitor monitor)
        throws IOException, BioclipseException, CoreException {
    if (monitor == null)
        monitor = new NullProgressMonitor();

    String fileContent = "";
    try {//from w  w  w .  j a  v  a  2s  .com
        monitor.subTask("Downloading from " + URL);
        HttpClient client = new HttpClient();
        GetMethod method = new GetMethod(URL);
        if (accepts != null) {
            method.setRequestHeader("Accept", accepts);
            method.setRequestHeader("Content-Type", accepts);
        }
        client.executeMethod(method);

        InputStream responseStream = method.getResponseBodyAsStream();
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        int nRead;
        byte[] data = new byte[16384];
        while ((nRead = responseStream.read(data, 0, data.length)) != -1) {
            buffer.write(data, 0, nRead);
        }
        buffer.flush();
        responseStream.close();
        method.releaseConnection();
        fileContent = new String(buffer.toByteArray());
        monitor.worked(1);
    } catch (PatternSyntaxException exception) {
        exception.printStackTrace();
        throw new BioclipseException("Invalid Pattern.", exception);
    } catch (MalformedURLException exception) {
        exception.printStackTrace();
        throw new BioclipseException("Invalid URL.", exception);
    }
    return fileContent;
}

---

From source file:PNGDecoder.java

public byte[] getImageData() {
    try {//from  w  w w . j  a  v  a 2s. co  m
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        // Write all the IDAT data into the array.
        for (int i = 0; i < mNumberOfChunks; i++) {
            PNGChunk chunk = mChunks[i];
            if (chunk.getTypeString().equals("IDAT")) {
                out.write(chunk.getData());
            }
        }
        out.flush();
        // Now deflate the data.
        InflaterInputStream in = new InflaterInputStream(new ByteArrayInputStream(out.toByteArray()));
        ByteArrayOutputStream inflatedOut = new ByteArrayOutputStream();
        int readLength;
        byte[] block = new byte[8192];
        while ((readLength = in.read(block)) != -1)
            inflatedOut.write(block, 0, readLength);
        inflatedOut.flush();
        byte[] imageData = inflatedOut.toByteArray();
        // Compute the real length.
        int width = (int) getWidth();
        int height = (int) getHeight();
        int bitsPerPixel = getBitsPerPixel();
        int length = width * height * bitsPerPixel / 8;

        byte[] prunedData = new byte[length];

        // We can only deal with non-interlaced images.
        if (getInterlace() == 0) {
            int index = 0;
            for (int i = 0; i < length; i++) {
                if ((i * 8 / bitsPerPixel) % width == 0) {
                    index++; // Skip the filter byte.
                }
                prunedData[i] = imageData[index++];
            }
        } else
            System.out.println("Couldn't undo interlacing.");

        return prunedData;
    } catch (IOException ioe) {
    }
    return null;
}

---

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