Example usage for java.io BufferedInputStream BufferedInputStream

Introduction

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

Prototype

public BufferedInputStream(InputStream in) 

Source Link

Document

Creates a BufferedInputStream and saves its argument, the input stream in, for later use.

Usage

From source file:Main.java

public static boolean saveFileFromAssetsToSystem(Context context, String path, File destFile) {
    BufferedInputStream bis = null;
    BufferedOutputStream fos = null;
    try {//from   w w w.ja  va  2s.  c  om
        InputStream is = context.getAssets().open(path);
        bis = new BufferedInputStream(is);
        fos = new BufferedOutputStream(new FileOutputStream(destFile));
        byte[] buf = new byte[2048];
        int i;
        while ((i = bis.read(buf)) != -1) {
            fos.write(buf, 0, i);
        }
        fos.flush();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (bis != null) {
                bis.close();
            }
            if (fos != null) {
                fos.close();
            }
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    }
    return false;
}

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From source file:Main.java

@SuppressWarnings("SameParameterValue")
public static Bitmap fetchAndRescaleBitmap(String uri, int width, int height) throws IOException {
    URL url = new URL(uri);
    BufferedInputStream is = null;
    try {/*w w  w  .j a  va  2s. co  m*/
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        is = new BufferedInputStream(urlConnection.getInputStream());
        is.mark(MAX_READ_LIMIT_PER_IMG);
        int scaleFactor = findScaleFactor(width, height, is);
        is.reset();
        return scaleBitmap(scaleFactor, is);
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

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From source file:Main.java

/**
 * Parses the given {@link File} with the specified {@link XMLReader}.
 * // w ww .  ja va  2 s  .com
 * <p>This method assumes the XML is in 'UTF-8', it will not sniff the XML to
 * determine the encoding to use.
 * 
 * @param xmlreader The XML reader to use.
 * @param file      The file to parse
 * 
 * @throws FileNotFoundException If the file does not exists
 * @throws SAXException          Should an SAX exception occur
 * @throws IOException           Should an I/O exception occur
 */
public static void parse(XMLReader xmlreader, File file)
        throws FileNotFoundException, SAXException, IOException {
    // create the input source
    InputStream bin = new BufferedInputStream(new FileInputStream(file));
    Reader reader = new InputStreamReader(bin, "utf-8");
    InputSource source = new InputSource(reader);
    // parse the file
    xmlreader.parse(source);
    reader.close();
}

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From source file:com.opengamma.util.money.StandardCurrencyPairs.java

private static void parseCSV(String filename, InputStream is) {
    CSVReader reader = new CSVReader(new InputStreamReader(new BufferedInputStream(is)));
    List<String[]> rows;
    try {//from  w  w w.j  a  va  2 s. com
        rows = reader.readAll();
        int line = 1;
        for (String[] row : rows) {
            String numerator = row[0].trim();
            String denominator = row[1].trim();
            try {
                s_currencyPairs.add(Pair.of(Currency.of(numerator), Currency.of(denominator)));
            } catch (IllegalArgumentException iae) {
                s_logger.warn("Couldn't create currency from " + filename + ":" + line);
            }
            line++;
        }
    } catch (IOException ex) {
        s_logger.warn("Couldn't read " + filename);
    }
}

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From source file:com.codemarvels.ant.aptrepotask.utils.Utils.java

/**
 * Compute the given message digest for a file.
 * /* w  w  w.j  av  a  2 s  .c om*/
 * @param hashType algorithm to be used (as {@code String})
 * @param file File to compute the digest for (as {@code File}).
 * @return A {@code String} for the hex encoded digest.
 * @throws MojoExecutionException
 */
public static String getDigest(String hashType, File file) {
    try {
        FileInputStream fis = new FileInputStream(file);
        BufferedInputStream bis = new BufferedInputStream(fis);
        MessageDigest digest = MessageDigest.getInstance(hashType);
        DigestInputStream dis = new DigestInputStream(bis, digest);
        @SuppressWarnings("unused")
        int ch;
        while ((ch = dis.read()) != -1)
            ;
        String hex = new String(Hex.encodeHex(digest.digest()));
        fis.close();
        bis.close();
        dis.close();
        return hex;
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("could not create digest", e);
    } catch (FileNotFoundException e) {
        throw new RuntimeException("could not create digest", e);
    } catch (IOException e) {
        throw new RuntimeException("could not create digest", e);
    }
}

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From source file:com.mirth.connect.model.converters.DICOMConverter.java

public static DicomObject byteArrayToDicomObject(byte[] bytes, boolean decodeBase64) throws IOException {
    DicomObject basicDicomObject = new BasicDicomObject();
    DicomInputStream dis = null;//from   w w w  .j a  va 2  s .com

    try {
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        InputStream inputStream;
        if (decodeBase64) {
            inputStream = new BufferedInputStream(new Base64InputStream(bais));
        } else {
            inputStream = bais;
        }
        dis = new DicomInputStream(inputStream);
        /*
         * This parameter was added in dcm4che 2.0.28. We use it to retain the memory allocation
         * behavior from 2.0.25.
         * http://www.mirthcorp.com/community/issues/browse/MIRTH-2166
         * http://www.dcm4che.org/jira/browse/DCM-554
         */
        dis.setAllocateLimit(-1);
        dis.readDicomObject(basicDicomObject, -1);
    } catch (IOException e) {
        throw e;
    } finally {
        IOUtils.closeQuietly(dis);
    }

    return basicDicomObject;
}

---

From source file:Main.java

public static String unzip(String filename) throws IOException {
    BufferedOutputStream origin = null;
    String path = null;/*from  w ww.  j a va  2  s  .  c  om*/
    Integer BUFFER_SIZE = 20480;
    if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) {

        File flockedFilesFolder = new File(
                Environment.getExternalStorageDirectory() + File.separator + "FlockLoad");
        System.out.println("FlockedFileDir: " + flockedFilesFolder);
        String compressedFile = flockedFilesFolder.toString() + "/" + filename;
        System.out.println("compressed File name:" + compressedFile);
        //String uncompressedFile = flockedFilesFolder.toString()+"/"+"flockUnZip";
        File purgeFile = new File(compressedFile);

        try {
            ZipInputStream zin = new ZipInputStream(new FileInputStream(compressedFile));
            BufferedInputStream bis = new BufferedInputStream(zin);
            try {
                ZipEntry ze = null;
                while ((ze = zin.getNextEntry()) != null) {
                    byte data[] = new byte[BUFFER_SIZE];
                    path = flockedFilesFolder.toString() + "/" + ze.getName();
                    System.out.println("path is:" + path);
                    if (ze.isDirectory()) {
                        File unzipFile = new File(path);
                        if (!unzipFile.isDirectory()) {
                            unzipFile.mkdirs();
                        }
                    } else {
                        FileOutputStream fout = new FileOutputStream(path, false);
                        origin = new BufferedOutputStream(fout, BUFFER_SIZE);
                        try {
                            /* for (int c = bis.read(data, 0, BUFFER_SIZE); c != -1; c = bis.read(data)) {
                            origin.write(c);
                             }
                             */
                            int count;
                            while ((count = bis.read(data, 0, BUFFER_SIZE)) != -1) {
                                origin.write(data, 0, count);
                            }
                            zin.closeEntry();
                        } finally {
                            origin.close();
                            fout.close();

                        }
                    }
                }
            } finally {
                bis.close();
                zin.close();
                purgeFile.delete();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return path;
    }
    return null;
}

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From source file:Main.java

public static Object unmarshall(String cntxtPkg, URL url) throws JAXBException, SAXException, IOException {
    InputStream is = url.openStream();
    return unmarshall(cntxtPkg, new BufferedInputStream(is));
}

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From source file:Main.java

public static Bitmap loadMpoBitmapFromFile(File file, long offset, int maxWidth, int maxHeight)
        throws IOException {
    // First, decode the width and height of the image, so that we know how much to scale
    // it down when loading it into our ImageView (so we don't need to do a huge allocation).
    BitmapFactory.Options opts = new BitmapFactory.Options();
    InputStream fs = null;//from  ww w  .ja  v a 2 s  . c  om
    try {
        fs = new BufferedInputStream(new FileInputStream(file));
        fs.skip(offset);
        opts.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(fs, null, opts);
    } finally {
        if (fs != null) {
            try {
                fs.close();
            } catch (IOException e) {
                // don't worry
            }
        }
    }
    int scale = 1;
    if (opts.outHeight > maxHeight || opts.outWidth > maxWidth) {
        scale = (int) Math.pow(2, (int) Math
                .round(Math.log(maxWidth / (double) Math.max(opts.outHeight, opts.outWidth)) / Math.log(0.5)));
    }
    if ((opts.outHeight <= 0) || (opts.outWidth <= 0)) {
        return null;
    }
    // Decode the image for real, but now with a sampleSize.
    // We have to reopen the file stream, and re-skip to the correct offset, since
    // FileInputStream doesn't support reset().
    Bitmap bmp = null;
    fs = null;
    try {
        fs = new BufferedInputStream(new FileInputStream(file));
        fs.skip(offset);
        BitmapFactory.Options opts2 = new BitmapFactory.Options();
        opts2.inSampleSize = scale;
        bmp = BitmapFactory.decodeStream(fs, null, opts2);
    } finally {
        if (fs != null) {
            try {
                fs.close();
            } catch (IOException e) {
                // don't worry
            }
        }
    }
    return bmp;
}

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From source file:com.boundary.zoocreeper.Restore.java

public static void main(String[] args) throws IOException, InterruptedException, KeeperException {
    RestoreOptions options = new RestoreOptions();
    CmdLineParser parser = new CmdLineParser(options);
    try {/*from ww  w  .ja  v  a  2  s  . co  m*/
        parser.parseArgument(args);
        if (options.help) {
            usage(parser, 0);
        }
    } catch (CmdLineException e) {
        if (!options.help) {
            System.err.println(e.getLocalizedMessage());
        }
        usage(parser, options.help ? 0 : 1);
    }
    if (options.verbose) {
        LoggingUtils.enableDebugLogging(Restore.class.getPackage().getName());
    }
    InputStream is = null;
    try {
        if ("-".equals(options.inputFile)) {
            LOGGER.info("Restoring from stdin");
            is = new BufferedInputStream(System.in);
        } else {
            is = new BufferedInputStream(new FileInputStream(options.inputFile));
        }
        if (options.compress) {
            is = new GZIPInputStream(is);
        }
        Restore restore = new Restore(options);
        restore.restore(is);
    } finally {
        Closeables.close(is, true);
    }
}

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