Example usage for java.io BufferedInputStream read

Introduction

In this page you can find the example usage for java.io BufferedInputStream read.

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:gash.router.app.DemoApp.java

private ArrayList<ByteString> divideFileChunks(File file) throws IOException {
    ArrayList<ByteString> chunkedFile = new ArrayList<ByteString>();
    int sizeOfFiles = 1024 * 1024; // equivalent to 1 Megabyte
    byte[] buffer = new byte[sizeOfFiles];

    try {/*  www .  ja va 2s  .  c om*/
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
        int tmp = 0;
        while ((tmp = bis.read(buffer)) > 0) {
            ByteString byteString = ByteString.copyFrom(buffer, 0, tmp);
            chunkedFile.add(byteString);
        }
        return chunkedFile;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:com.cloudseal.spring.client.namespace.CloudSealLogoutImageFilter.java

public void writeContent(HttpServletResponse response, String contentType, InputStream content)
        throws IOException {
    response.setBufferSize(DEFAULT_BUFFER_SIZE);
    response.setContentType(contentType);

    BufferedInputStream input = null;
    BufferedOutputStream output = null;

    try {// www. j ava2 s .  co  m
        input = new BufferedInputStream(content, DEFAULT_BUFFER_SIZE);
        output = new BufferedOutputStream(response.getOutputStream(), DEFAULT_BUFFER_SIZE);

        byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
        int length = 0;
        while ((length = input.read(buffer)) > 0) {
            output.write(buffer, 0, length);
        }
    } finally {
        output.close();
        input.close();
    }
}

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From source file:com.cubusmail.gwtui.server.services.RetrieveAttachmentServlet.java

@Override
public void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    WebApplicationContext context = WebApplicationContextUtils
            .getRequiredWebApplicationContext(request.getSession().getServletContext());

    try {//www. j  av a2 s .  c o m
        String messageId = request.getParameter("messageId");
        String attachmentIndex = request.getParameter("attachmentIndex");
        boolean view = "1".equals(request.getParameter("view"));

        if (messageId != null) {
            IMailbox mailbox = SessionManager.get().getMailbox();
            Message msg = mailbox.getCurrentFolder().getMessageById(Long.parseLong(messageId));

            List<MimePart> attachmentList = MessageUtils.attachmentsFromPart(msg);
            int index = Integer.valueOf(attachmentIndex);

            MimePart retrievePart = attachmentList.get(index);

            ContentType contentType = new ContentType(retrievePart.getContentType());

            String fileName = retrievePart.getFileName();
            if (StringUtils.isEmpty(fileName)) {
                fileName = context.getMessage("message.unknown.attachment", null,
                        SessionManager.get().getLocale());
            }
            StringBuffer contentDisposition = new StringBuffer();
            if (!view) {
                contentDisposition.append("attachment; filename=\"");
                contentDisposition.append(fileName).append("\"");
            }

            response.setHeader("cache-control", "no-store");
            response.setHeader("pragma", "no-cache");
            response.setIntHeader("max-age", 0);
            response.setIntHeader("expires", 0);

            if (!StringUtils.isEmpty(contentDisposition.toString())) {
                response.setHeader("Content-disposition", contentDisposition.toString());
            }
            response.setContentType(contentType.getBaseType());
            // response.setContentLength(
            // MessageUtils.calculateSizeFromPart( retrievePart ) );

            BufferedInputStream bufInputStream = new BufferedInputStream(retrievePart.getInputStream());
            OutputStream outputStream = response.getOutputStream();

            byte[] inBuf = new byte[1024];
            int len = 0;
            int total = 0;
            while ((len = bufInputStream.read(inBuf)) > 0) {
                outputStream.write(inBuf, 0, len);
                total += len;
            }

            bufInputStream.close();
            outputStream.flush();
            outputStream.close();

        }
    } catch (Exception ex) {
        logger.error(ex.getMessage(), ex);
    }
}

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From source file:com.cubusmail.server.services.RetrieveAttachmentServlet.java

@Override
public void service(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    WebApplicationContext context = WebApplicationContextUtils
            .getRequiredWebApplicationContext(request.getSession().getServletContext());

    try {//from   w w  w  .jav  a 2 s  . c  om
        String messageId = request.getParameter("messageId");
        String attachmentIndex = request.getParameter("attachmentIndex");
        boolean view = "1".equals(request.getParameter("view"));

        if (messageId != null) {
            IMailbox mailbox = SessionManager.get().getMailbox();
            Message msg = mailbox.getCurrentFolder().getMessageById(Long.parseLong(messageId));

            List<MimePart> attachmentList = MessageUtils.attachmentsFromPart(msg);
            int index = Integer.valueOf(attachmentIndex);

            MimePart retrievePart = attachmentList.get(index);

            ContentType contentType = new ContentType(retrievePart.getContentType());

            String fileName = retrievePart.getFileName();
            if (StringUtils.isEmpty(fileName)) {
                fileName = context.getMessage("message.unknown.attachment", null,
                        SessionManager.get().getLocale());
            }
            StringBuffer contentDisposition = new StringBuffer();
            if (!view) {
                contentDisposition.append("attachment; filename=\"");
                contentDisposition.append(fileName).append("\"");
            }

            response.setHeader("cache-control", "no-store");
            response.setHeader("pragma", "no-cache");
            response.setIntHeader("max-age", 0);
            response.setIntHeader("expires", 0);

            if (!StringUtils.isEmpty(contentDisposition.toString())) {
                response.setHeader("Content-disposition", contentDisposition.toString());
            }
            response.setContentType(contentType.getBaseType());
            // response.setContentLength(
            // MessageUtils.calculateSizeFromPart( retrievePart ) );

            BufferedInputStream bufInputStream = new BufferedInputStream(retrievePart.getInputStream());
            OutputStream outputStream = response.getOutputStream();

            byte[] inBuf = new byte[1024];
            int len = 0;
            int total = 0;
            while ((len = bufInputStream.read(inBuf)) > 0) {
                outputStream.write(inBuf, 0, len);
                total += len;
            }

            bufInputStream.close();
            outputStream.flush();
            outputStream.close();

        }
    } catch (Exception ex) {
        log.error(ex.getMessage(), ex);
    }
}

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From source file:gsn.wrappers.GPSGenerator.java

public boolean initialize() {
    AddressBean addressBean = getActiveAddressBean();
    if (addressBean.getPredicateValue("rate") != null) {
        samplingRate = ParamParser.getInteger(addressBean.getPredicateValue("rate"), DEFAULT_SAMPLING_RATE);
        if (samplingRate <= 0) {
            logger.warn(/*from   w w  w.j a va2  s.co m*/
                    "The specified >sampling-rate< parameter for the >MemoryMonitoringWrapper< should be a positive number.\nGSN uses the default rate ("
                            + DEFAULT_SAMPLING_RATE + "ms ).");
            samplingRate = DEFAULT_SAMPLING_RATE;
        }
    }
    if (addressBean.getPredicateValue("picture") != null) {
        String picture = addressBean.getPredicateValue("picture");
        File pictureF = new File(picture);
        if (!pictureF.isFile() || !pictureF.canRead()) {
            logger.warn("The GPSGenerator can't access the specified picture file. Initialization failed.");
            return false;
        }
        try {
            BufferedInputStream fis = new BufferedInputStream(new FileInputStream(pictureF));
            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[4 * 1024];
            while (fis.available() > 0)
                outputStream.write(buffer, 0, fis.read(buffer));
            fis.close();
            this.picture = outputStream.toByteArray();
            outputStream.close();
        } catch (FileNotFoundException e) {
            logger.warn(e.getMessage(), e);
            return false;
        } catch (IOException e) {
            logger.warn(e.getMessage(), e);
            return false;
        }
    } else {
        logger.warn("The >picture< parameter is missing from the GPSGenerator wrapper.");
        return false;
    }
    ArrayList<DataField> output = new ArrayList<DataField>();
    for (int i = 0; i < FIELD_NAMES.length; i++)
        output.add(new DataField(FIELD_NAMES[i], FIELD_TYPES_STRING[i], FIELD_DESCRIPTION[i]));
    outputStrcture = output.toArray(new DataField[] {});
    return true;
}

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From source file:com.aionengine.gameserver.cache.HTMLCache.java

public String loadFile(File file) {
    if (isLoadable(file)) {
        BufferedInputStream bis = null;
        try {//from  www.j a  v a2s.c  o  m
            bis = new BufferedInputStream(new FileInputStream(file));
            byte[] raw = new byte[bis.available()];
            bis.read(raw);

            String content = new String(raw, HTMLConfig.HTML_ENCODING);
            String relpath = getRelativePath(HTML_ROOT, file);

            size += content.length();

            String oldContent = cache.get(relpath);
            if (oldContent == null)
                loadedFiles++;
            else
                size -= oldContent.length();

            cache.put(relpath, content);

            return content;
        } catch (Exception e) {
            log.warn("Problem with htm file:", e);
        } finally {
            IOUtils.closeQuietly(bis);
        }
    }

    return null;
}

---

From source file:com.orange.labs.sdk.RestUtils.java

public void uploadRequest(URL url, File file, String folderIdentifier, final Map<String, String> headers,
        final OrangeListener.Success<JSONObject> success, final OrangeListener.Progress progress,
        final OrangeListener.Error failure) {

    // open a URL connection to the Server
    FileInputStream fileInputStream = null;
    try {//from   w  ww  .  j  a v  a2 s  .com
        fileInputStream = new FileInputStream(file);

        // Open a HTTP connection to the URL
        HttpURLConnection conn = (HttpsURLConnection) url.openConnection();

        // Allow Inputs & Outputs
        conn.setDoInput(true);
        conn.setDoOutput(true);

        // Don't use a Cached Copy
        conn.setUseCaches(false);

        conn.setRequestMethod("POST");

        //
        // Define headers
        //

        // Create an unique boundary
        String boundary = "UploadBoundary";

        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
        for (String key : headers.keySet()) {
            conn.setRequestProperty(key.toString(), headers.get(key));
        }

        //
        // Write body part
        //
        DataOutputStream dos = new DataOutputStream(conn.getOutputStream());

        int bytesAvailable = fileInputStream.available();

        String marker = "\r\n--" + boundary + "\r\n";

        dos.writeBytes(marker);
        dos.writeBytes("Content-Disposition: form-data; name=\"description\"\r\n\r\n");

        // Create JSonObject :
        JSONObject params = new JSONObject();
        params.put("name", file.getName());
        params.put("size", String.valueOf(bytesAvailable));
        params.put("folder", folderIdentifier);

        dos.writeBytes(params.toString());

        dos.writeBytes(marker);
        dos.writeBytes(
                "Content-Disposition: form-data; name=\"file\"; filename=\"" + file.getName() + "\"\r\n");
        dos.writeBytes("Content-Type: image/jpeg\r\n\r\n");

        int progressValue = 0;
        int bytesRead = 0;
        byte buf[] = new byte[1024];
        BufferedInputStream bufInput = new BufferedInputStream(fileInputStream);
        while ((bytesRead = bufInput.read(buf)) != -1) {
            // write output
            dos.write(buf, 0, bytesRead);
            dos.flush();
            progressValue += bytesRead;
            // update progress bar
            progress.onProgress((float) progressValue / bytesAvailable);
        }

        dos.writeBytes(marker);

        //
        // Responses from the server (code and message)
        //
        int serverResponseCode = conn.getResponseCode();
        String serverResponseMessage = conn.getResponseMessage();

        // close streams
        fileInputStream.close();
        dos.flush();
        dos.close();

        if (serverResponseCode == 200 || serverResponseCode == 201) {
            BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));

            String response = "";
            String line;
            while ((line = rd.readLine()) != null) {
                Log.i("FileUpload", "Response: " + line);
                response += line;
            }
            rd.close();
            JSONObject object = new JSONObject(response);
            success.onResponse(object);
        } else {
            BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getErrorStream()));
            String response = "";
            String line;
            while ((line = rd.readLine()) != null) {
                Log.i("FileUpload", "Error: " + line);
                response += line;
            }
            rd.close();
            JSONObject errorResponse = new JSONObject(response);
            failure.onErrorResponse(new CloudAPIException(serverResponseCode, errorResponse));
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (ProtocolException e) {
        e.printStackTrace();
    } catch (JSONException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:nu.nethome.home.items.web.proxy.HomeCloudConnection.java

private HttpResponse performLocalRequest(HttpRequest request) throws IOException {
    HttpResponse httpResponse;//from w  ww . ja v  a  2  s .  c  o  m
    HttpURLConnection connection = (HttpURLConnection) new URL(localURL + request.url).openConnection();
    for (String header : request.headers) {
        String parts[] = header.split(":");
        connection.setRequestProperty(parts[0].trim(), parts[1].trim());
    }
    ByteArrayBuffer baf = new ByteArrayBuffer(50);
    try (InputStream response = connection.getInputStream()) {
        BufferedInputStream bis = new BufferedInputStream(response);
        int read;
        int bufSize = 512;
        byte[] buffer = new byte[bufSize];
        while (true) {
            read = bis.read(buffer);
            if (read == -1) {
                break;
            }
            baf.append(buffer, 0, read);
        }
    } catch (IOException e) {
        return new HttpResponse(systemId, "", new String[0], CHALLENGE);
    }

    Map<String, List<String>> map = connection.getHeaderFields();
    String headers[] = new String[map.size()];
    int i = 0;
    for (Map.Entry<String, List<String>> entry : map.entrySet()) {
        System.out.println("Key : " + entry.getKey() + " ,Value : " + entry.getValue());
        headers[i++] = entry.getKey() + ":" + entry.getValue().get(0);
    }
    httpResponse = new HttpResponse(systemId, new String(Base64.encodeBase64(baf.toByteArray())), headers,
            CHALLENGE);
    return httpResponse;
}

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From source file:com.aionemu.gameserver.cache.HTMLCache.java

public String loadFile(File file) {
    if (isLoadable(file)) {
        BufferedInputStream bis = null;
        try {/*  ww w  .j  a v  a2  s.c  o  m*/
            bis = new BufferedInputStream(new FileInputStream(file));
            byte[] raw = new byte[bis.available()];
            bis.read(raw);

            String content = new String(raw, HTMLConfig.HTML_ENCODING);
            String relpath = getRelativePath(HTML_ROOT, file);

            size += content.length();

            String oldContent = cache.get(relpath);
            if (oldContent == null) {
                loadedFiles++;
            } else {
                size -= oldContent.length();
            }

            cache.put(relpath, content);

            return content;
        } catch (Exception e) {
            log.warn("Problem with htm file:", e);
        } finally {
            IOUtils.closeQuietly(bis);
        }
    }

    return null;
}

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From source file:jp.co.opentone.bsol.linkbinder.view.logo.ProjectLogoManager.java

/**
 * ??(??)??.//w w w .  j ava  2 s.c  om
 *
 * @param logoFile ??
 * @return (??)
 */
private ProjectLogo getLogoData(String logoFile) {
    ProjectLogo result = null;
    BufferedInputStream bis = null;

    try {
        File f = new File(logoFile);
        long lastModifiled = f.lastModified();
        byte[] imageData = new byte[(int) f.length()];
        bis = new BufferedInputStream(new FileInputStream(logoFile));
        bis.read(imageData);

        result = new ProjectLogo();
        result.setImage(imageData);
        result.setLastModified(lastModifiled);
    } catch (FileNotFoundException e) {
        log.warn("????? [" + logoFile + "]");
    } catch (IOException e) {
        log.error("File I/O error[" + logoFile + "]", e);
    } finally {
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException e) {
                log.error("File close error.[" + logoFile + "]", e);
            }
        }
    }
    return result;
}

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