Example usage for java.io ByteArrayOutputStream close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closing a ByteArrayOutputStream has no effect.

Usage

From source file:edu.vt.middleware.ldap.LdapUtil.java

/**
 * Reads the data in the supplied stream and returns it as a byte array.
 *
 * @param  is  stream to read/*from   w w w.j a v  a2 s  .  c  o m*/
 *
 * @return  bytes read from the stream
 *
 * @throws  IOException  if an error occurs reading data
 */
public static byte[] readInputStream(final InputStream is) throws IOException {
    final ByteArrayOutputStream data = new ByteArrayOutputStream();
    try {
        final byte[] buffer = new byte[READ_BUFFER_SIZE];
        int length;
        while ((length = is.read(buffer)) != -1) {
            data.write(buffer, 0, length);
        }
    } finally {
        is.close();
        data.close();
    }
    return data.toByteArray();
}

From source file:GZIPUtils.java

/**
 * Returns an gunzipped copy of the input array.  
 * @throws IOException if the input cannot be properly decompressed
 *///from   ww  w .  ja v  a  2 s . co m
public static final byte[] unzip(byte[] in) throws IOException {
    // decompress using GZIPInputStream 
    ByteArrayOutputStream outStream = new ByteArrayOutputStream(EXPECTED_COMPRESSION_RATIO * in.length);

    GZIPInputStream inStream = new GZIPInputStream(new ByteArrayInputStream(in));

    byte[] buf = new byte[BUF_SIZE];
    while (true) {
        int size = inStream.read(buf);
        if (size <= 0)
            break;
        outStream.write(buf, 0, size);
    }
    outStream.close();

    return outStream.toByteArray();
}

From source file:com.vaadin.testbench.screenshot.ImageUtil.java

/**
 * Encodes target image to a Base64 string
 * //from   w ww.j  av a 2  s. c  o m
 * @param image
 *            BufferedImage to encode to String
 * @return Base64 encoded String of image
 */
public static String encodeImageToBase64(BufferedImage image) {
    String encodedImage = "";
    Base64 encoder = new Base64();
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(image, "png", baos);
        baos.flush();
        byte[] encodedBytes = encoder.encode(baos.toByteArray());
        encodedImage = new String(encodedBytes);
        baos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return encodedImage;
}

From source file:divconq.util.IOUtil.java

public static byte[] charsEncodeAndCompress(CharSequence v) {
    try {/* w ww.j  a v  a2  s. co  m*/
        byte[] buffer = Utf8Encoder.encode(v);

        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        GzipCompressorOutputStream cos = new GzipCompressorOutputStream(bos);
        cos.write(buffer);
        cos.close();
        bos.close();

        return bos.toByteArray();
    } catch (Exception x) {
    }

    return null;
}

From source file:br.com.manish.ahy.kernel.util.FileUtil.java

public static byte[] readResourceAsBytes(String path) {

    byte[] byteData = null;

    try {//from   w ww. j  a  va  2 s .co  m

        InputStream is = FileUtil.class.getResourceAsStream(path);

        if (is.available() > Integer.MAX_VALUE) {
            throw new OopsException("Oversized file :-( can't read it, sorry: " + path);
        }

        ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
        byte[] bytes = new byte[512];

        int readBytes;
        while ((readBytes = is.read(bytes)) > 0) {
            os.write(bytes, 0, readBytes);
        }

        byteData = os.toByteArray();

        is.close();
        os.close();

    } catch (Exception e) {
        throw new OopsException(e, "Problems when reading: [" + path + "].");
    }

    return byteData;
}

From source file:com.faceye.feature.util.http.DeflateUtils.java

/**
 * Returns an inflated copy of the input array.  
 * @throws IOException if the input cannot be properly decompressed
 *///from  w  ww. j  a  va2 s  .c  om
public static final byte[] inflate(byte[] in) throws IOException {
    // decompress using InflaterInputStream 
    ByteArrayOutputStream outStream = new ByteArrayOutputStream(EXPECTED_COMPRESSION_RATIO * in.length);

    InflaterInputStream inStream = new InflaterInputStream(new ByteArrayInputStream(in));

    byte[] buf = new byte[BUF_SIZE];
    while (true) {
        int size = inStream.read(buf);
        if (size <= 0)
            break;
        outStream.write(buf, 0, size);
    }
    outStream.close();

    return outStream.toByteArray();
}

From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len, int srcLen) {
    byte[] output = null;
    Inflater decompresser = new Inflater();
    decompresser.reset();/*from   w ww  .  j  a  v a  2  s.  co  m*/
    //      decompresser.setInput(data);
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream o = new ByteArrayOutputStream(srcLen);
    try {
        o.reset();
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            o.close();
            decompresser.end();
        } catch (Exception e) {
        }
    }

    return output;
}

From source file:Main.java

public static Bitmap getAndSetBitmapFromNet(String urlPath) {

    Bitmap bm = null;/*from  w ww. j  a  v  a 2 s.c o  m*/

    if (urlPath != null) {
        try {
            BufferedInputStream bis = new BufferedInputStream(new URL(urlPath).openStream(), 1024);
            final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
            BufferedOutputStream out = new BufferedOutputStream(dataStream, 1024);
            copy(bis, out);
            out.flush();
            final byte[] data = dataStream.toByteArray();
            bm = BitmapFactory.decodeByteArray(data, 0, data.length);
            Log.i(I, "data.length: " + data.length);
            out.close();
            dataStream.close();
            bis.close();
            bm = processBitmap(bm);
        } catch (IOException e) {
            Log.i(I, "URL Connection or Bitmap processing Exception");
            e.printStackTrace();
        }
    }
    return bm;
}

From source file:Main.java

public static byte[] toByteArray(InputStream istream) {
    ByteArrayOutputStream byteostream = null;
    try {/*from  w w  w .  j av a  2 s  . c  om*/
        byteostream = new ByteArrayOutputStream(8192);
        byte[] buffer = new byte[8192];
        int lenght;
        while ((lenght = istream.read(buffer)) != -1) {
            byteostream.write(buffer, 0, lenght);
        }
        return byteostream.toByteArray();
    } catch (Exception e) {
        return null;
    } finally {
        try {
            istream.close();
            byteostream.close();
        } catch (Exception e) {
        }
    }
}

From source file:Main.java

public static byte[] compress(byte[] uncompressedBuffer) {
    Deflater deflater = new Deflater();
    deflater.setInput(uncompressedBuffer);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(uncompressedBuffer.length);

    try {/*from w w w . ja v  a  2  s . com*/
        deflater.finish();
        byte[] buffer = new byte[1024];
        while (!deflater.finished()) {
            int count = deflater.deflate(buffer);
            outputStream.write(buffer, 0, count);
        }
        byte[] output = outputStream.toByteArray();
        return output;

    } finally {
        try {
            deflater.end();
            outputStream.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}