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[] compressGZIP(byte bytes[]) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    GZIPOutputStream gzipos = new GZIPOutputStream(os);
    gzipos.write(bytes, 0, bytes.length);
    gzipos.close();/*from w w  w . j a  v a2 s . co m*/
    return os.toByteArray();
}

From source file:Main.java

public static boolean cacheDrawable(String packageName, int resId, BitmapDrawable drawable) {
    try {//from  ww  w . j  av  a  2s .c  o m
        File f = new File("/data/data/" + PACKAGE_NAME + "/cache/icons/", packageName + "_" + resId);
        if (f.exists()) {
            f.delete();
        }
        f.createNewFile();
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        drawable.getBitmap().compress(CompressFormat.PNG, 0, bos);
        new FileOutputStream(f).write(bos.toByteArray());
        f.setReadable(true, false);
        f.setWritable(true, false);
        return true;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

From source file:Main.java

public static String loadFromAssetsFile(String fname, Context context) {
    String result = null;/*from w  ww. ja  va 2  s .  co  m*/
    try {
        InputStream in = context.getAssets().open(fname);
        int ch = 0;
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((ch = in.read()) != -1) {
            baos.write(ch);
        }
        byte[] buff = baos.toByteArray();
        baos.close();
        in.close();
        result = new String(buff, "UTF-8");
        result = result.replaceAll("\\r\\n", "\n");
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

From source file:Main.java

public static String BitmapToByte(Bitmap bitmap) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 50, byteArrayOutputStream);
    return new String(Base64.encodeToString(byteArrayOutputStream.toByteArray(), Base64.DEFAULT));
}

From source file:Main.java

/**
 * Convert an image to a byte array//from ww w .java  2  s .  c om
 * @param uri
 * @param context
 * @return
 */
public static byte[] convertImageToByte(Uri uri, Context context) {
    byte[] data = null;
    try {
        ContentResolver cr = context.getContentResolver();
        InputStream inputStream = cr.openInputStream(uri);
        Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos);
        data = baos.toByteArray();
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (Exception e2) {
            }
        }
        if (baos != null) {
            try {
                baos.close();
            } catch (Exception e2) {
            }
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return data;
}

From source file:Main.java

public static byte[] InputStreamToByte(InputStream is) throws IOException {
    ByteArrayOutputStream bytestream = new ByteArrayOutputStream();
    int ch;/*from  www. ja v a  2  s. c om*/
    while ((ch = is.read()) != -1) {
        bytestream.write(ch);
    }
    byte imgdata[] = bytestream.toByteArray();
    bytestream.close();

    return imgdata;
}

From source file:Main.java

public static InputStream Bitmap2IS(Bitmap bm) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    // What about 50...
    bm.compress(Bitmap.CompressFormat.JPEG, 50, baos);
    InputStream sbs = new ByteArrayInputStream(baos.toByteArray());
    return sbs;//from ww w.java 2s.  c  o  m
}

From source file:Main.java

public static byte[] InputStreamToByte(InputStream is) throws IOException {

    ByteArrayOutputStream bytestream = new ByteArrayOutputStream();
    int ch;/*from www .j av a2s .  c  o  m*/
    while ((ch = is.read()) != -1) {
        bytestream.write(ch);
    }
    byte byteData[] = bytestream.toByteArray();
    bytestream.close();
    return byteData;
}

From source file:Main.java

public static Bitmap createBitmapFromByteArray(byte[] data, Size previewSize) {
    YuvImage yuvimage = new YuvImage(data, ImageFormat.NV21, previewSize.width, previewSize.height, null);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    yuvimage.compressToJpeg(new Rect(0, 0, previewSize.width, previewSize.height), 80, baos);
    byte[] jdata = baos.toByteArray();
    BitmapFactory.Options opt = new BitmapFactory.Options();
    opt.inMutable = true;//w  w w  .  j  a v a 2  s . c o m
    Bitmap bitmap = BitmapFactory.decodeByteArray(jdata, 0, jdata.length, opt);

    Matrix matrix = new Matrix();
    matrix.postRotate(-90);

    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
}

From source file:Main.java

/**
 *
 * @param obj/*from   w  ww .  j  a  v  a  2 s  .c  o m*/
 * @return
 * @throws JAXBException
 */
public static byte[] serialize(Object obj) throws JAXBException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    serialize(obj, bos);
    return bos.toByteArray();
}