Example usage for java.io ByteArrayOutputStream toByteArray

Introduction

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

Prototype

public synchronized byte[] toByteArray()

Source Link

Document

Creates a newly allocated byte array.

Usage

From source file:Main.java

public static byte[] toBytes(InputStream in) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    int ch;//from  w ww  .ja v a  2s  .co  m
    while ((ch = in.read()) != -1) {
        out.write(ch);
    }
    byte buffer[] = out.toByteArray();
    out.close();
    return buffer;
}

From source file:Main.java

public static Bitmap yuv2Bitmap(byte[] data, int width, int height) {
    final YuvImage image = new YuvImage(data, ImageFormat.NV21, width, height, null);
    ByteArrayOutputStream os = new ByteArrayOutputStream(data.length);
    if (!image.compressToJpeg(new Rect(0, 0, width, height), 100, os)) {
        return null;
    }//from  w w w .  ja  v a2 s .  c om
    byte[] tmp = os.toByteArray();
    Bitmap bitmap = BitmapFactory.decodeByteArray(tmp, 0, tmp.length);
    return bitmap;
}

From source file:Main.java

public static byte[] getBytes(InputStream is) throws IOException {
    ByteArrayOutputStream os = null;
    try {/*ww w.j a v  a 2  s . com*/
        os = new ByteArrayOutputStream();
        copyStream(is, os);
    } finally {
        os.close();
    }
    return os.toByteArray();
}

From source file:Main.java

public static byte[] bitmap2Bytes(Bitmap bitmap, Bitmap.CompressFormat mCompressFormat,
        final boolean needRecycle) {
    byte[] result = null;
    ByteArrayOutputStream output = null;
    try {// w  w w. ja va 2s  .  c  o m
        output = new ByteArrayOutputStream();
        bitmap.compress(mCompressFormat, 100, output);
        result = output.toByteArray();
        if (needRecycle) {
            bitmap.recycle();
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (output != null) {
            try {
                output.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}

From source file:Main.java

public static InputStream convertMessageToInputStream(Source src)
        throws IOException, TransformerConfigurationException, TransformerException {

    final Transformer transformer = TRANSFORMER_FACTORY.newTransformer();

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    StreamResult result = new StreamResult(baos);
    transformer.transform(src, result);//from  w ww  . j  ava 2  s .  c om

    return new ByteArrayInputStream(baos.toByteArray());
}

From source file:Main.java

public static byte[] getCompressedImage(byte[] rgb) {

    BufferedImage image;//from  ww  w . java  2s . com
    int width;
    int height;

    try {
        image = ImageIO.read(new ByteArrayInputStream(rgb));
        width = image.getWidth();
        height = image.getHeight();

        for (int i = 0; i < height; i++) {

            for (int j = 0; j < width; j++) {

                Color c = new Color(image.getRGB(j, i));
                int red = (int) (c.getRed() * 0.299);
                int green = (int) (c.getGreen() * 0.587);
                int blue = (int) (c.getBlue() * 0.114);
                Color newColor = new Color(red + green + blue,

                        red + green + blue, red + green + blue);

                image.setRGB(j, i, newColor.getRGB());
            }
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(image, "jpg", baos);
        baos.flush();
        byte[] imageInByte = baos.toByteArray();
        baos.close();

        return imageInByte;

    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static byte[] bitmap2ByteArray(final Bitmap bmp, final boolean needRecycle) {
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.PNG, 100, output);
    if (needRecycle) {
        bmp.recycle();/* w  ww. j a v a 2s .c o  m*/
    }

    byte[] result = output.toByteArray();
    try {
        output.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return result;
}

From source file:Main.java

/**
 * GZip a given byte-array in-memory.//from   w w w  . j  a  va 2  s. c o  m
 * 
 * @param bytes
 *            the uncompressed bytes
 * 
 * @return the GZipped byte stream
 * 
 * @throws IOException
 *             if something fails
 */
public static byte[] gzipByteArray(byte[] bytes) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(bytes.length);

    GZIPOutputStream gzip = new GZIPOutputStream(baos);
    gzip.write(bytes);
    gzip.close();

    return baos.toByteArray();
}

From source file:Main.java

static public Bitmap NV21ToRGBABitmap(byte[] nv21, int width, int height) {
    YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    yuvImage.compressToJpeg(new Rect(0, 0, width, height), 100, baos);
    byte[] cur = baos.toByteArray();
    return BitmapFactory.decodeByteArray(cur, 0, cur.length);
}

From source file:Main.java

public static byte[] bmpToByteArray(final Bitmap bmp, final boolean needRecycle) {
    if (bmp == null || bmp.isRecycled())
        return null;
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.PNG, 100, output);
    if (needRecycle) {
        bmp.recycle();//www. j  a v a2  s  .c  om
    }

    byte[] result = output.toByteArray();
    try {
        output.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}