Example usage for java.io ByteArrayOutputStream write

Introduction

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

Prototype

public synchronized void write(byte b[], int off, int len) 

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this ByteArrayOutputStream .

Usage

From source file:com.honnix.yaacs.util.StreamUtil.java

public static byte[] inputStream2ByteArray(InputStream inputStream) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[255];
    byte[] rawData = null;

    try {//from ww w .j a  v a 2  s .co  m
        int length = -1;

        while ((length = inputStream.read(buffer)) != -1) {
            baos.write(buffer, 0, length);
        }

        rawData = baos.toByteArray();
    } catch (IOException e) {
        LOG.error("Error reading input album cover data.", e);

        rawData = new byte[0];
    }

    return rawData;
}

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From source file:Main.java

/**
 * Compress the byte array passed/*from  w  w w  .  j av  a  2s .com*/
 * <p>
 * @param input byte array
 * @param bufferLength buffer length
 * @return compressed byte array
 * @throws IOException thrown if we can't close the output stream
 */
public static byte[] compressByteArray(byte[] input, int bufferLength) throws IOException {
    // Compressor with highest level of compression
    Deflater compressor = new Deflater();
    compressor.setLevel(Deflater.BEST_COMPRESSION);

    // Give the compressor the data to compress
    compressor.setInput(input);
    compressor.finish();

    // Create an expandable byte array to hold the compressed data.
    // It is not necessary that the compressed data will be smaller than
    // the uncompressed data.
    ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);

    // Compress the data
    byte[] buf = new byte[bufferLength];
    while (!compressor.finished()) {
        int count = compressor.deflate(buf);
        bos.write(buf, 0, count);
    }

    // JCS-136 ( Details here : http://www.devguli.com/blog/eng/java-deflater-and-outofmemoryerror/ )
    compressor.end();
    bos.close();

    // Get the compressed data
    return bos.toByteArray();

}

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From source file:com.eryansky.common.utils.io.IoUtils.java

public static byte[] readInputStream(InputStream inputStream, String inputStreamName) {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[16 * 1024];
    try {//  ww w. j a v  a2s  .  c om
        int bytesRead = inputStream.read(buffer);
        while (bytesRead != -1) {
            outputStream.write(buffer, 0, bytesRead);
            bytesRead = inputStream.read(buffer);
        }
    } catch (Exception e) {
        //      throw new ServiceException("couldn't read input stream "+inputStreamName, e);
    }
    return outputStream.toByteArray();
}

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From source file:net.heroicefforts.viable.android.rep.it.auth.Authenticate.java

private static String readResponse(HttpResponse response) throws IOException {
    InputStream instream = response.getEntity().getContent();
    Header contentEncoding = response.getFirstHeader("Content-Encoding");
    if (Config.LOGV) //NOPMD
        if (contentEncoding != null) //NOPMD
            Log.v(TAG, "Response content encoding was '" + contentEncoding.getValue() + "'");
    if (contentEncoding != null && contentEncoding.getValue().equalsIgnoreCase("gzip")) {
        if (Config.LOGD)
            Log.d(TAG, "Handling GZIP response.");
        instream = new GZIPInputStream(instream);
    }//from  w ww . j av a  2s .  c  om

    BufferedInputStream bis = new BufferedInputStream(instream);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buf = new byte[1024];
    int read = 0;
    while ((read = bis.read(buf)) > 0)
        baos.write(buf, 0, read);
    String body = baos.toString();
    if (Config.LOGV)
        Log.v(TAG, "Response:  " + body);
    return body;
}

---

From source file:brickhouse.udf.bloom.BloomFactory.java

public static Filter ReadBloomFromStream(InputStream stream) throws IOException {
    /// Need to UUDecode first, 
    /// TODO - read bytes directly when hive handles byte arrays better
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    byte[] bufferArr = new byte[4096];
    int len = 0;/* w w  w.  ja  v  a2 s .c o m*/
    while ((len = stream.read(bufferArr, 0, 4096)) > 0) {
        buffer.write(bufferArr, 0, len);
    }
    if (buffer.size() == 0) {
        return BloomFactory.NewBloomInstance();
    }
    return ReadBloomFromString(new String(buffer.toByteArray()));
}

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From source file:Main.java

public static final byte[] uncompress(final byte[] bytes) {
    if (bytes == null) {
        throw new NullPointerException("byte[] is NULL !");
    }/*from  ww w.j  a  v  a 2  s.c om*/
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    ByteArrayOutputStream bos = new ByteArrayOutputStream(8192);
    byte[] buffer = new byte[bytes.length];
    int length;
    try {
        GZIPInputStream gis = new GZIPInputStream(bais);
        while ((length = gis.read(buffer)) != -1) {
            bos.write(buffer, 0, length);
        }
        byte[] moreBytes = bos.toByteArray();
        bos.close();
        bais.close();
        gis.close();
        bos = null;
        bais = null;
        gis = null;
        return moreBytes;
    } catch (IOException e) {
        return null;
    }
}

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From source file:Main.java

public static byte[] inflate(InputStream in, int bufferSize) throws IOException {
    ByteArrayOutputStream outStream = new ByteArrayOutputStream(bufferSize);

    InflaterInputStream inStream = new InflaterInputStream(in);

    byte[] buf = new byte[4096];
    while (true) {
        int size = inStream.read(buf);
        if (size <= 0)
            break;
        outStream.write(buf, 0, size);
    }//  w w  w . j av a  2 s .c  o m
    outStream.close();

    return outStream.toByteArray();
}

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From source file:Main.java

public static Bitmap tryToGetBitmapFromInternet(String bitmapUrl, Context context, int imageSize) {
    if (null != bitmapUrl) {
        InputStream inputStream = null;
        try {/*from   ww  w .j  av a 2s.c o m*/
            URL url = new URL(bitmapUrl);

            URLConnection connection = url.openConnection();

            connection.connect();

            inputStream = connection.getInputStream();
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024];
            int read;

            while ((read = inputStream.read(buffer)) != -1) {
                byteArrayOutputStream.write(buffer, 0, read);
            }
            inputStream.close();
            byteArrayOutputStream.close();

            buffer = byteArrayOutputStream.toByteArray();

            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;

            BitmapFactory.decodeByteArray(buffer, 0, buffer.length, options);

            int maxSize = Math.max(options.outWidth, options.outHeight);
            float newImageScale = 1f;
            if (-1 != imageSize) {
                newImageScale = maxSize / (imageSize * context.getResources().getDisplayMetrics().density);
            }

            options.inJustDecodeBounds = false;
            options.inSampleSize = Math.round(newImageScale);

            return BitmapFactory.decodeByteArray(buffer, 0, buffer.length, options);
        } catch (Throwable e) {
            // pass
        } finally {
            if (null != inputStream) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    // pass
                }
                inputStream = null;
            }
            System.gc();
        }
    }

    return null;
}

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From source file:Main.java

/**
 * File to Base64/*from ww w  .j  ava  2s .c om*/
 * @param filePath
 * @return
 * @throws FileNotFoundException
 * @throws IOException
 */
public static String getBase64StringFromFile(String filePath) throws FileNotFoundException, IOException {
    byte[] buffer = null;
    File file = new File(filePath);
    FileInputStream fis = null;
    ByteArrayOutputStream bos = null;
    byte[] b = new byte[1000];
    try {
        fis = new FileInputStream(file);
        bos = new ByteArrayOutputStream(1000);
        int n;
        while ((n = fis.read(b)) != -1) {
            bos.write(b, 0, n);
        }
        fis.close();
        bos.close();
        buffer = bos.toByteArray();
    } catch (FileNotFoundException e) {
        throw e;
    } catch (IOException e) {
        throw e;
    } finally {
        if (bos != null) {
            try {
                bos.close();
            } catch (IOException e1) {
                e1.printStackTrace();
            }
        }
        if (fis != null) {
            try {
                fis.close();
            } catch (IOException e1) {
                e1.printStackTrace();
            }
        }
    }

    return Base64.encodeToString(buffer, Base64.DEFAULT);
}

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From source file:Main.java

public static byte[] getBytesFromFile(File f) {

    if (f == null) {
        return null;
    }//ww w .  j ava2  s  .  co m

    FileInputStream stream = null;
    ByteArrayOutputStream out = null;

    try {
        stream = new FileInputStream(f);
        out = new ByteArrayOutputStream(1024);
        byte[] b = new byte[1024];
        int n;
        while ((n = stream.read(b)) != -1)
            out.write(b, 0, n);

    } catch (Exception e) {
    }

    try {
        if (out != null)
            out.close();

        if (stream != null)
            stream.close();
    } catch (Exception e) {
    }

    System.gc();

    if (out == null)
        return null;

    return out.toByteArray();
}

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