Example usage for java.io BufferedInputStream read

Introduction

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

Prototype

public synchronized int read(byte b[], int off, int len) throws IOException 

Source Link

Document

Reads bytes from this byte-input stream into the specified byte array, starting at the given offset.

Usage

From source file:edu.harvard.iq.dataverse.ingest.tabulardata.impl.plugins.sav.SAVFileReaderSpi.java

@Override
public boolean canDecodeInput(Object source) throws IOException {
    dbgLog.fine("this method is actually called: object");
    if (!(source instanceof BufferedInputStream)) {
        return false;
    } else if (source instanceof File) {
        dbgLog.fine("source is a File object");
    } else {/*ww w. ja va 2s  .c  om*/
        dbgLog.fine("not File object");
    }
    if (source == null) {
        throw new IllegalArgumentException("source == null!");
    }
    BufferedInputStream stream = (BufferedInputStream) source;

    dbgLog.fine("applying the sav test\n");

    byte[] b = new byte[SAV_HEADER_SIZE];

    if (stream.markSupported()) {
        stream.mark(0);
    }
    int nbytes = stream.read(b, 0, SAV_HEADER_SIZE);

    if (nbytes == 0) {
        throw new IOException();
    }
    //printHexDump(b, "hex dump of the byte-array");
    dbgLog.fine("hex dump of the 1st 4 bytes[$FL2 == 24 46 4C 32]=" + new String(Hex.encodeHex(b)));
    if (stream.markSupported()) {
        stream.reset();
    }

    boolean DEBUG = false;

    String hdr4sav = new String(b);
    dbgLog.fine("from string[$FL2 == 24 46 4C 32]=" + new String(Hex.encodeHex(b)).toUpperCase());

    if (hdr4sav.equals(SAV_FILE_SIGNATURE)) {
        dbgLog.fine("this file is spss-sav type");
        return true;
    } else {
        dbgLog.fine("this file is NOT spss-sav type");
        return false;
    }
}

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From source file:JarBuilder.java

/** Adds the file to the given path and name
 *
 * @param file     the file to be added//from w  w  w.j  a v a  2  s .  c o  m
 * @param parent   the directory to the path in which the file is to be added
 * @param fileName the name of the file in the archive
 */
public void addFile(File file, String parent, String fileName) throws IOException {
    byte data[] = new byte[2048];

    FileInputStream fi = new FileInputStream(file.getAbsolutePath());
    BufferedInputStream origin = new BufferedInputStream(fi, 2048);

    JarEntry entry = new JarEntry(makeName(parent, fileName));
    _output.putNextEntry(entry);

    int count = origin.read(data, 0, 2048);
    while (count != -1) {
        _output.write(data, 0, count);
        count = origin.read(data, 0, 2048);
    }

    origin.close();
}

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From source file:edu.harvard.iq.dataverse.ingest.tabulardata.impl.plugins.dta.DTAFileReaderSpi.java

@Override
public boolean canDecodeInput(Object source) throws IOException {
    if (!(source instanceof BufferedInputStream)) {
        return false;
    }//from w ww.  j  a  v  a 2 s.c o m
    if (source == null) {
        throw new IllegalArgumentException("stream == null!");
    }
    BufferedInputStream stream = (BufferedInputStream) source;
    dbgLog.fine("applying the dta test\n");

    byte[] b = new byte[DTA_HEADER_SIZE];

    if (stream.markSupported()) {
        stream.mark(0);
    }
    int nbytes = stream.read(b, 0, DTA_HEADER_SIZE);

    if (nbytes == 0) {
        throw new IOException();
    }

    if (stream.markSupported()) {
        stream.reset();
    }

    dbgLog.info("hex dump: 1st 4bytes =>" + new String(Hex.encodeHex(b)) + "<-");

    if (b[2] != 1) {
        dbgLog.fine("3rd byte is not 1: given file is not stata-dta type");
        return false;
    } else if ((b[1] != 1) && (b[1] != 2)) {
        dbgLog.fine("2nd byte is neither 0 nor 1: this file is not stata-dta type");
        return false;
    } else if (!DTAFileReaderSpi.stataReleaseNumber.containsKey(b[0])) {
        dbgLog.fine("1st byte (" + b[0] + ") is not within the ingestable range [rel. 3-10]:"
                + "this file is NOT stata-dta type");
        return false;
    } else {
        dbgLog.fine("this file is stata-dta type: " + DTAFileReaderSpi.stataReleaseNumber.get(b[0])
                + "(No in byte=" + b[0] + ")");
        return true;
    }
}

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From source file:com.phonegap.FileUtils.java

/**
 * Read content of text file and return as base64 encoded data url.
 * //from  w ww  .ja  v a  2s . c  om
 * @param filename         The name of the file.
 * @return               Contents of file = data:<media type>;base64,<data>
 * @throws FileNotFoundException, IOException
 */
public String readAsDataURL(String filename) throws FileNotFoundException, IOException {
    byte[] bytes = new byte[1000];
    BufferedInputStream bis = new BufferedInputStream(getPathFromUri(filename), 1024);
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    int numRead = 0;
    while ((numRead = bis.read(bytes, 0, 1000)) >= 0) {
        bos.write(bytes, 0, numRead);
    }

    // Determine content type from file name
    String contentType = null;
    if (filename.startsWith("content:")) {
        Uri fileUri = Uri.parse(filename);
        contentType = this.ctx.getContentResolver().getType(fileUri);
    } else {
        MimeTypeMap map = MimeTypeMap.getSingleton();
        contentType = map.getMimeTypeFromExtension(map.getFileExtensionFromUrl(filename));
    }

    byte[] base64 = Base64.encodeBase64(bos.toByteArray());
    String data = "data:" + contentType + ";base64," + new String(base64);
    return data;
}

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From source file:edu.harvard.iq.dvn.ingest.statdataio.impl.plugins.dta.DTAFileReaderSpi.java

@Override
public boolean canDecodeInput(Object source) throws IOException {
    if (!(source instanceof BufferedInputStream)) {
        return false;
    }/*from   w  w  w . ja v  a  2s  .co  m*/
    if (source == null) {
        throw new IllegalArgumentException("stream == null!");
    }
    BufferedInputStream stream = (BufferedInputStream) source;
    dbgLog.fine("applying the dta test\n");

    byte[] b = new byte[DTA_HEADER_SIZE];

    if (stream.markSupported()) {
        stream.mark(0);
    }
    int nbytes = stream.read(b, 0, DTA_HEADER_SIZE);

    if (nbytes == 0) {
        throw new IOException();
    }
    //printHexDump(b, "hex dump of the byte-array");

    if (stream.markSupported()) {
        stream.reset();
    }

    dbgLog.info("hex dump: 1st 4bytes =>" + new String(Hex.encodeHex(b)) + "<-");

    if (b[2] != 1) {
        dbgLog.fine("3rd byte is not 1: given file is not stata-dta type");
        return false;
    } else if ((b[1] != 1) && (b[1] != 2)) {
        dbgLog.fine("2nd byte is neither 0 nor 1: this file is not stata-dta type");
        return false;
    } else if (!DTAFileReaderSpi.stataReleaseNumber.containsKey(b[0])) {
        dbgLog.fine("1st byte (" + b[0] + ") is not within the ingestable range [rel. 3-10]:"
                + "this file is NOT stata-dta type");
        return false;
    } else {
        dbgLog.fine("this file is stata-dta type: " + DTAFileReaderSpi.stataReleaseNumber.get(b[0])
                + "(No in byte=" + b[0] + ")");
        return true;
    }
}

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From source file:com.flagleader.builder.BuilderConfig.java

public static void jarExtracting(String paramString1, String paramString2) {
    int i1 = 2048;
    BufferedOutputStream localBufferedOutputStream = null;
    BufferedInputStream localBufferedInputStream = null;
    JarEntry localJarEntry = null;
    JarFile localJarFile = null;// w  w  w  . jav  a  2s.  c o m
    Enumeration localEnumeration = null;
    try {
        localJarFile = new JarFile(paramString2);
        localEnumeration = localJarFile.entries();
        while (localEnumeration.hasMoreElements()) {
            localJarEntry = (JarEntry) localEnumeration.nextElement();
            if (localJarEntry.isDirectory()) {
                new File(paramString1 + localJarEntry.getName()).mkdirs();
            } else {
                localBufferedInputStream = new BufferedInputStream(localJarFile.getInputStream(localJarEntry));
                byte[] arrayOfByte = new byte[i1];
                FileOutputStream localFileOutputStream = new FileOutputStream(
                        paramString1 + localJarEntry.getName());
                localBufferedOutputStream = new BufferedOutputStream(localFileOutputStream, i1);
                int i2;
                while ((i2 = localBufferedInputStream.read(arrayOfByte, 0, i1)) != -1)
                    localBufferedOutputStream.write(arrayOfByte, 0, i2);
                localBufferedOutputStream.flush();
                localBufferedOutputStream.close();
                localBufferedInputStream.close();
            }
        }
    } catch (Exception localException1) {
        localException1.printStackTrace();
        try {
            if (localBufferedOutputStream != null) {
                localBufferedOutputStream.flush();
                localBufferedOutputStream.close();
            }
            if (localBufferedInputStream != null)
                localBufferedInputStream.close();
        } catch (Exception localException2) {
            localException2.printStackTrace();
        }
    } finally {
        try {
            if (localBufferedOutputStream != null) {
                localBufferedOutputStream.flush();
                localBufferedOutputStream.close();
            }
            if (localBufferedInputStream != null)
                localBufferedInputStream.close();
        } catch (Exception localException3) {
            localException3.printStackTrace();
        }
    }
}

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From source file:com.oneops.cms.crypto.CmsCryptoDES.java

private KeyParameter getSecretKeyFromFile() throws IOException, GeneralSecurityException {
    BufferedInputStream keystream = new BufferedInputStream(new FileInputStream(secretKeyFile));
    int len = keystream.available();
    if (len < MIN_DES_FILE_LENGTH) {
        keystream.close();/* w w w.  j  a v a  2 s.  c o m*/
        throw new EOFException(">>>> Bad DES file length = " + len);
    }
    byte[] keyhex = new byte[len];
    keystream.read(keyhex, 0, len);
    keystream.close();
    return new KeyParameter(Hex.decode(keyhex));
}

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From source file:jhc.redsniff.webdriver.download.FileDownloader.java

private void doDownloadUrlToFile(URL downloadURL, File downloadFile) throws Exception {
    HttpClient client = createHttpClient(downloadURL);
    HttpMethod getRequest = new GetMethod(downloadURL.toString());
    try {//from  w w w.j av  a2 s  .c om
        int status = -1;
        for (int attempts = 0; attempts < MAX_ATTEMPTS && status != HTTP_SUCCESS_CODE; attempts++)
            status = client.executeMethod(getRequest);
        if (status != HTTP_SUCCESS_CODE)
            throw new Exception("Got " + status + " status trying to download file " + downloadURL.toString()
                    + " to " + downloadFile.toString());
        BufferedInputStream in = new BufferedInputStream(getRequest.getResponseBodyAsStream());
        BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(downloadFile));
        int offset = 0;
        int len = 4096;
        int bytes = 0;
        byte[] block = new byte[len];
        while ((bytes = in.read(block, offset, len)) > -1) {
            out.write(block, 0, bytes);
        }
        out.close();
        in.close();
    } catch (Exception e) {
        throw e;
    } finally {
        getRequest.releaseConnection();
    }
}

---

From source file:com.dimdim.conference.application.portal.PortalServerAdapter.java

/**
 * @param url//  ww  w .jav  a 2s .co  m
 * @param arguments
 * @return
 */
protected synchronized String getURL_String(HttpClient client, String url) {
    GetMethod method = null;
    String responseBody = null;
    try {

        System.out.println("Getting URL:" + url);
        //         System.out.println("Posting data:"+args);
        method = new GetMethod(url);
        //        method.setRequestBody(args);
        method.setFollowRedirects(true);

        //execute the method
        client.setTimeout(2000);
        System.out.println("Calling url:" + url);
        StringBuffer buf = new StringBuffer();
        client.executeMethod(method);
        InputStream is = method.getResponseBodyAsStream();
        BufferedInputStream bis = new BufferedInputStream(is);
        byte[] ary = new byte[256];
        int len = 0;
        while ((len = bis.read(ary, 0, 256)) > 0) {
            String str = new String(ary, 0, len);
            //               System.out.println("Received buffer:"+str);
            buf.append(str);
        }
        try {
            bis.close();
            is.close();
        } catch (Exception e) {
        }
        responseBody = buf.toString();
        System.out.println("Called ----:" + url);
    } catch (HttpException he) {
        he.printStackTrace();
    } catch (IOException ioe) {
        ioe.printStackTrace();
    }
    //clean up the connection resources
    try {
        method.releaseConnection();
    } catch (Exception ee) {
        //   Ignore the exceptions in cleanup.
    }
    return responseBody;
}

---

From source file:com.eurotong.orderhelperandroid.Common.java

@TargetApi(9)
public static void downloadFile(String fileName) {
    try {//from w  w  w  .ja va2s.  c o m
        //http://stackoverflow.com/questions/6343166/android-os-networkonmainthreadexception
        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();

        StrictMode.setThreadPolicy(policy);

        DateFormat dateFormat = new SimpleDateFormat("yyyyMMddhhmmss");
        Date date = new Date();
        String datetime = dateFormat.format(date);
        // Create a URL for the desired page          
        URL url = new URL(
                Common.GetBaseUrl() + Customer.Current().CustomerID + "/" + fileName + "?d=" + datetime);

        // Read all the text returned by the server  

        BufferedInputStream in = new BufferedInputStream(url.openStream());

        //http://stackoverflow.com/questions/4228699/write-and-read-strings-to-from-internal-file
        FileOutputStream fos = MyApplication.getAppContext().openFileOutput(fileName, Context.MODE_PRIVATE);
        /*
        DataOutputStream out = 
            new DataOutputStream(fos);
                
        String str;
        while ((str = in.readLine()) != null) {
        // str is one line of text; readLine() strips the newline character(s)
           Log.i(Define.APP_CATALOG, str);
           out.writeUTF(str);
        }
        */
        BufferedOutputStream out = new BufferedOutputStream(fos, 4096);
        byte[] data = new byte[4096];
        int bytesRead = 0, totalRead = 0;
        while ((bytesRead = in.read(data, 0, data.length)) >= 0) {
            out.write(data, 0, bytesRead);

            // update progress bar
            totalRead += bytesRead;
            /*
            int totalReadInKB = totalRead / 1024;
            msg = Message.obtain(parentActivity.activityHandler,
                            AndroidFileDownloader.MESSAGE_UPDATE_PROGRESS_BAR,
                            totalReadInKB, 0);
            parentActivity.activityHandler.sendMessage(msg);
            */
        }

        in.close();
        //fos.close();
        out.close();

        Toast.makeText(MyApplication.getAppContext(),
                fileName + MyApplication.getAppContext().getString(R.string.msg_download_file_finished),
                Toast.LENGTH_LONG).show();

        try {
            if (fileName.equals(Define.MENU_FILE_NAME)) {
                Product.ParseMenuList(Common.GetFileInputStreamFromStorage(fileName));
                Log.i(Define.APP_CATALOG, "menus size:" + "");
                Product.Reload();
            } else if (fileName.equals(Define.PRINT_LAYOUT_NAME)) {
                PrintLayout bi = PrintLayout
                        .Parse(Common.GetFileInputStreamFromStorage(Define.PRINT_LAYOUT_NAME));
                Log.i(Define.APP_CATALOG, Define.PRINT_LAYOUT_NAME);
                PrintLayout.Reload();
            } else if (fileName.equals(Define.BUSINESS_INFO_FILE_NAME)) {
                BusinessInfo bi = BusinessInfo
                        .Parse(Common.GetFileInputStreamFromStorage(Define.BUSINESS_INFO_FILE_NAME));
                Log.i(Define.APP_CATALOG, "setting: businessname:" + bi.getBusinessName());
                BusinessInfo.Reload();
            } else if (fileName.equals(Define.SETTING_FILE_NAME)) {
                Setting setting = Setting.Parse(Common.GetFileInputStreamFromStorage(Define.SETTING_FILE_NAME));
                Log.i(Define.APP_CATALOG, "setting: printer port" + setting.getPrinterPort());
                setting.Reload();
            } else if (fileName.equals(Define.PRINT_LAYOUT_BAR_NAME)) {
                PrintLayout bi = PrintLayout
                        .Parse(Common.GetFileInputStreamFromStorage(Define.PRINT_LAYOUT_BAR_NAME));
                Log.i(Define.APP_CATALOG, Define.PRINT_LAYOUT_BAR_NAME);
                PrintLayout.Reload();
            }

            else if (fileName.equals(Define.PRINT_LAYOUT_KITCHEN_NAME)) {
                PrintLayout bi = PrintLayout
                        .Parse(Common.GetFileInputStreamFromStorage(Define.PRINT_LAYOUT_KITCHEN_NAME));
                Log.i(Define.APP_CATALOG, Define.PRINT_LAYOUT_KITCHEN_NAME);
                PrintLayout.Reload();
            } else if (fileName.equals(Define.DEVICE_FILE)) {
                Device bi = Device.Parse(Common.GetFileInputStreamFromStorage(Define.DEVICE_FILE));
                Log.i(Define.APP_CATALOG, Define.DEVICE_FILE);
                Device.Reload();
            }

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    } catch (MalformedURLException e) {
        Log.e(Define.APP_CATALOG, e.toString());
    } catch (IOException e) {
        Toast.makeText(MyApplication.getAppContext(),
                fileName + MyApplication.getAppContext().getString(R.string.msg_download_error),
                Toast.LENGTH_LONG).show();
        Log.e(Define.APP_CATALOG, e.toString());
        e.printStackTrace();
    } catch (Exception e) {
        Toast.makeText(MyApplication.getAppContext(),
                fileName + MyApplication.getAppContext().getString(R.string.msg_download_error),
                Toast.LENGTH_LONG).show();
        Log.e(Define.APP_CATALOG, e.toString());
    }
}

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