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:com.qwazr.utils.SerializationUtils.java

/**
 * Read an object from a file using a buffered stream and GZIP compression
 *
 * @param file the destination file/*  w  ww.  j  ava2 s. co  m*/
 * @param <T>  the type of the object
 * @return the deserialized object
 * @throws IOException
 */
public static <T> T deserialize(File file) throws IOException {
    FileInputStream is = new FileInputStream(file);
    BufferedInputStream bis = new BufferedInputStream(is);
    GZIPInputStream zis = new GZIPInputStream(bis);
    try {
        return SerializationUtils.deserialize(zis);
    } finally {
        IOUtils.close(zis, bis, is);
    }
}

From source file:cn.guoyukun.spring.utils.FileCharset.java

/**
 * ??GBKUTF-16LEUTF-16BE,UTF-8window???ANSI,Unicode,Unicode big endian,UTF-8
 *
 * @param file/*ww  w.ja  v a 2  s. com*/
 * @return
 */
public static String getCharset(File file) {
    InputStream is = null;
    try {
        is = new FileInputStream(file);
        return getCharset(new BufferedInputStream(is));
    } catch (FileNotFoundException e) {
        return DEFAULT_CHARSET;
    } finally {
        IOUtils.closeQuietly(is);
    }
}

From source file:com.textocat.textokit.commons.io.ProcessIOUtils.java

public static void feedProcessInput(Process proc, File inFile, boolean closeStdIn) throws IOException {
    InputStream in = new BufferedInputStream(openInputStream(inFile));
    feedProcessInput(proc, in, closeStdIn);
}

From source file:Main.java

public static boolean copyFile(File fromFile, File toFile) {
    BufferedInputStream bis = null;
    BufferedOutputStream fos = null;
    try {/*from  w ww.j  av a  2s . c  o  m*/
        FileInputStream is = new FileInputStream(fromFile);
        bis = new BufferedInputStream(is);
        fos = new BufferedOutputStream(new FileOutputStream(toFile));
        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;
}

From source file:Main.java

public static int upZipFile(File zipFile, String folderPath) throws IOException {
    ZipFile zfile = new ZipFile(zipFile);
    Enumeration zList = zfile.entries();
    ZipEntry ze = null;/*from w ww.  jav  a  2 s. c  o m*/
    byte[] buf = new byte[1024];
    while (zList.hasMoreElements()) {
        ze = (ZipEntry) zList.nextElement();
        if (ze.isDirectory()) {
            String dirstr = folderPath + ze.getName();
            dirstr = new String(dirstr.getBytes("8859_1"), "GB2312");
            File f = new File(dirstr);
            f.mkdirs();
            continue;
        }
        OutputStream os = new BufferedOutputStream(
                new FileOutputStream(getRealFileName(folderPath, ze.getName())));
        InputStream is = new BufferedInputStream(zfile.getInputStream(ze));
        int readLen = 0;
        while ((readLen = is.read(buf, 0, 1024)) != -1) {
            os.write(buf, 0, readLen);
        }
        is.close();
        os.close();
    }
    zfile.close();
    return 0;
}

From source file:Main.java

static public JSONArray loadJSON(String url) {
    HttpURLConnection connection = null;
    JSONArray json = null;/*from   ww  w  .j ava 2s . c o m*/
    InputStream is = null;

    try {
        connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setConnectTimeout(5000);

        is = new BufferedInputStream(connection.getInputStream());
        json = new JSONArray(convertStreamToString(is));
    } catch (IOException ioe) {
        ioe.printStackTrace();
    } catch (JSONException je) {
        je.printStackTrace();
    } finally {
        try {
            if (is != null) {
                is.close();
            }
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }

        if (connection != null) {
            connection.disconnect();
        }
    }

    return json;
}

From source file:Main.java

public static Document parseDoc(File xmlFile) throws ParserConfigurationException, SAXException, IOException {
    try (InputStream is = new FileInputStream(xmlFile)) {
        BufferedInputStream in = new BufferedInputStream(is);
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setFeature("http://xml.org/sax/features/external-general-entities", false);
        factory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
        factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
        DocumentBuilder builder = factory.newDocumentBuilder();
        InputSource source = new InputSource(in);
        return builder.parse(source);
    }/*www .  j  a v a 2 s . c  om*/
}

From source file:com.twitter.heron.downloader.Extractor.java

static void extract(InputStream in, Path destination) throws IOException {
    try (final BufferedInputStream bufferedInputStream = new BufferedInputStream(in);
            final GzipCompressorInputStream gzipInputStream = new GzipCompressorInputStream(
                    bufferedInputStream);
            final TarArchiveInputStream tarInputStream = new TarArchiveInputStream(gzipInputStream)) {
        final String destinationAbsolutePath = destination.toFile().getAbsolutePath();

        TarArchiveEntry entry;//from  www.j  av a  2s .c o m
        while ((entry = (TarArchiveEntry) tarInputStream.getNextEntry()) != null) {
            if (entry.isDirectory()) {
                File f = Paths.get(destinationAbsolutePath, entry.getName()).toFile();
                f.mkdirs();
            } else {
                Path fileDestinationPath = Paths.get(destinationAbsolutePath, entry.getName());

                Files.copy(tarInputStream, fileDestinationPath, StandardCopyOption.REPLACE_EXISTING);
            }
        }
    }
}

From source file:edu.ehu.galan.wiki2wordnet.wikipedia2wordnet.utils.FileUtils.java

/**
* Given a String containing a path to a bz2 compressed file returns a bufferedReader with the
* contents of the file. The first line will contain the file info, Be warned about this!
*
* @param fileIn - the file to be processed
* @return BufferedReader with the contents of the file
* @throws FileNotFoundException//from w w  w .  j av a 2 s.  c  om
* @throws CompressorException
*/
public static BufferedReader getBufferedReaderForBZ2File(String fileIn)
        throws FileNotFoundException, CompressorException {
    FileInputStream fin = new FileInputStream(fileIn);
    BufferedInputStream bis = new BufferedInputStream(fin);
    CompressorInputStream input = new CompressorStreamFactory().createCompressorInputStream(bis);
    BufferedReader br2 = new BufferedReader(new InputStreamReader(input));
    return br2;
}

From source file:Main.java

public static byte[] readByteArray(Context context, String fileName) throws IOException {

    byte[] data;/*ww  w. ja v a2s  .c o m*/
    int c;

    FileInputStream fis = context.openFileInput(fileName);
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    BufferedInputStream bos = new BufferedInputStream(fis);

    while ((c = bos.read()) != -1) {
        byteArrayOutputStream.write(c);
    }

    data = byteArrayOutputStream.toByteArray();

    bos.close();
    byteArrayOutputStream.close();
    fis.close();

    return data;
}