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

/**
 * Method read./*from  www .j  a  v a  2s .co  m*/
 * 
 * @param filepath
 *            String
 * @return Properties
 * @throws FileNotFoundException
 */
public static Properties read(String filepath) throws FileNotFoundException {
    Properties rval;
    BufferedInputStream bis = null;

    try {
        File file = new File(filepath);

        bis = new BufferedInputStream(new FileInputStream(file));
        rval = new Properties();

        rval.load(bis);

        return rval;
    } catch (IOException e) {
    } finally {
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException e) {
            }

            bis = null;
        }
    }

    // try relative to java.home
    try {
        File file = new File(System.getProperty("java.home") + File.separator + filepath);

        bis = new BufferedInputStream(new FileInputStream(file));
        rval = new Properties();

        rval.load(bis);

        return rval;
    } catch (IOException e) {
    } finally {
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException e) {
            }

            bis = null;
        }
    }

    throw new FileNotFoundException("Property file " + filepath + " not found");
}

From source file:Thumbnail.java

public void doWork(String[] args) {
    try {/*from  w  w  w. ja  v  a2 s . co m*/
        byte[] bytes = new byte[50000];

        FileInputStream fs = new FileInputStream(args[2]);
        BufferedInputStream bis = new BufferedInputStream(fs);
        bis.read(bytes);

        ID id = new ID();
        id.nail_id = Integer.parseInt(args[0]);
        id.acc_id = Integer.parseInt(args[1]);

        statement = connection.prepareStatement("INSERT INTO thumbnail VALUES(?,?,?,?, 0, now())");

        statement.setInt(1, id.nail_id);
        statement.setInt(2, id.acc_id);
        statement.setBytes(3, bytes);
        statement.setObject(4, id);

        int i = statement.executeUpdate();
        System.out.println("Rows updated = " + i);

        bis.close();
        fs.close();
        statement.close();
        connection.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

/**
 * Do an HTTP POST and return the data as a byte array.
 *///from   w  w w.  ja  va2s . c  om
public static byte[] executePost(String url, byte[] data, Map<String, String> requestProperties)
        throws MalformedURLException, IOException {
    HttpURLConnection urlConnection = null;
    try {
        urlConnection = (HttpURLConnection) new URL(url).openConnection();
        urlConnection.setRequestMethod("POST");
        urlConnection.setDoOutput(data != null);
        urlConnection.setDoInput(true);
        if (requestProperties != null) {
            for (Map.Entry<String, String> requestProperty : requestProperties.entrySet()) {
                urlConnection.setRequestProperty(requestProperty.getKey(), requestProperty.getValue());
            }
        }
        if (data != null) {
            OutputStream out = new BufferedOutputStream(urlConnection.getOutputStream());
            out.write(data);
            out.close();
        }
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());
        return convertInputStreamToByteArray(in);
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
    }
}

From source file:Main.java

/**
 * Read and return the entire contents of the supplied {@link File file}.
 * /*from w w w  .j  ava  2 s . c  o m*/
 * @param file the file containing the contents; may be null
 * @return the contents, or an empty byte array if the supplied file is null
 * @throws IOException if there is an error reading the content
 */
public static byte[] readBytes(File file) throws IOException {
    if (file == null)
        return new byte[] {};
    InputStream stream = new BufferedInputStream(new FileInputStream(file));
    boolean error = false;
    try {
        return readBytes(stream);
    } catch (IOException e) {
        error = true; // this error should be thrown, even if there is an error closing stream
        throw e;
    } catch (RuntimeException e) {
        error = true; // this error should be thrown, even if there is an error closing stream
        throw e;
    } finally {
        try {
            stream.close();
        } catch (IOException e) {
            if (!error)
                throw e;
        }
    }
}

From source file:net.sf.zekr.engine.template.ZekrFileResourceLoader.java

public synchronized InputStream getResourceStream(String templateName) throws ResourceNotFoundException {
    InputStream is = null;//from  w  ww .  j av  a  2  s .co m
    try {
        is = new BufferedInputStream(new FileInputStream(new File(templateName).getAbsolutePath()));
    } catch (FileNotFoundException e) {
        // do nothing!
    }
    if (is != null) // if no exception occurred
        return is;

    throw new ResourceNotFoundException("Resource not found: " + templateName);
}

From source file:com.hs.mail.sieve.Sieve.java

public static boolean runSieve(MailetContext context, Recipient recipient, SmtpMessage msg) {
    File script = getScript(context, recipient);
    if (script != null) {
        InputStream is = null;/*from  ww  w  .j av  a  2 s . c  o m*/
        try {
            SieveMailAdapter adapter = new SieveMailAdapter(context, recipient.getMailbox(), recipient.getID());
            adapter.setMessage(msg);
            is = new BufferedInputStream(new FileInputStream(script));
            factory.interpret(adapter, is);
            return true;
        } catch (Exception e) {
            logger.error(e.getMessage());
        } finally {
            IOUtils.closeQuietly(is);
        }
    }
    return false;
}

From source file:de.innovationgate.utils.MD5HashingInputStream.java

/**
 * Reads the given input stream and returns the data hash base64 encoded. The input data is not conserved.
 * Use this method if you really just want to know what hash the given data produces, but do not want to use the data actually.
 * The input stream is closed implicitly.
 * @param in The input stream/*  www.j  a v  a 2  s.co  m*/
 * @return The md5 hash of the input stream
 * @throws NoSuchAlgorithmException
 * @throws IOException
 */
public static String getStreamHash(InputStream in) throws NoSuchAlgorithmException, IOException {

    MD5HashingInputStream hashIn = new MD5HashingInputStream(new BufferedInputStream(in));
    byte[] buf = new byte[2048];
    int len;
    do {
        len = hashIn.read(buf);
    } while (len != -1);

    hashIn.close();
    return hashIn.getHash();

}

From source file:org.crazydog.util.spring.FileCopyUtils.java

/**
 * Copy the contents of the given input File to the given output File.
 * @param in the file to copy from/*from ww w . java2 s  .com*/
 * @param out the file to copy to
 * @return the number of bytes copied
 * @throws IOException in case of I/O errors
 */
public static int copy(File in, File out) throws IOException {
    org.springframework.util.Assert.notNull(in, "No input File specified");
    org.springframework.util.Assert.notNull(out, "No output File specified");
    return copy(new BufferedInputStream(new FileInputStream(in)),
            new BufferedOutputStream(new FileOutputStream(out)));
}

From source file:com.googlecode.xmlzen.utils.FileUtils.java

/**
 * Reads a {@link File} and returns the contents as {@link String}
 * //www.j  ava2  s . co  m
 * @param file File to read
 * @param charset Charset of this File
 * @return File contents as String
 */
public static String readFile(final File file, final String charset) {
    InputStream in = null;
    try {
        if (!file.isFile()) {
            return null;
        }
        in = new FileInputStream(file);
        final BufferedInputStream buffIn = new BufferedInputStream(in);
        final byte[] buffer = new byte[(int) Math.min(file.length(), BUFFER)];
        int read;
        final StringBuilder result = new StringBuilder();
        while ((read = buffIn.read(buffer)) != -1) {
            result.append(new String(buffer, 0, read, charset));
        }
        return result.toString();
    } catch (final Exception e) {
        throw new XmlZenException("Failed reading file: " + file, e);
    } finally {
        close(in);
    }
}

From source file:io.rhiot.component.webcam.WebcamHelper.java

/**
 * Creates an OutOnly exchange with the BufferedImage.
 *///from  ww w  .j  a va2s.  c  o  m
static Exchange createOutOnlyExchangeWithBodyAndHeaders(WebcamEndpoint endpoint, BufferedImage image)
        throws IOException {
    Exchange exchange = endpoint.createExchange(ExchangePattern.OutOnly);
    Message message = exchange.getIn();
    try (ByteArrayOutputStream output = new ByteArrayOutputStream()) {
        ImageIO.write(image, endpoint.getFormat(), output);
        message.setBody(new BufferedInputStream(new ByteArrayInputStream(output.toByteArray())));
        message.setHeader(Exchange.FILE_NAME, message.getMessageId() + "" + endpoint.getFormat());
    }

    return exchange;
}