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

/**
 * bitmap -> bytes//from   w w  w  .  j a  v a  2s  . c o  m
 * 
 * */
public static byte[] bitmap2Bytes(Bitmap bitmap) {
    if (null == bitmap) {
        return null;
    }

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream);

    return byteArrayOutputStream.toByteArray();
}

From source file:Main.java

public static byte[] encodeToBytes(Bitmap bitmap) {
    if (bitmap == null) {
        return null;
    }//  ww w.  jav a2 s  .  c  om

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream);
    return byteArrayOutputStream.toByteArray();
}

From source file:Main.java

static public byte[] getObjectBytes(Object o) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(o);// w w  w  .j  a  v a  2  s  .c om
    oos.close();
    return baos.toByteArray();
}

From source file:Main.java

public static byte[] decodeBitmapToBytes(Bitmap bitmap) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    if (bitmap != null) {
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos);
        return baos.toByteArray();
    } else {//from ww w  .  j  a v a2 s .c o m
        Log.e(TAG, "bitmap is null");
        return null;
    }
}

From source file:Main.java

public static byte[] Bitmap2Bytes(Bitmap bm) {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    if (bm != null) {

        bm.compress(Bitmap.CompressFormat.PNG, 100, baos);

    }//from ww  w  .  j  av  a  2  s  .  c  om

    return baos.toByteArray();
}

From source file:Main.java

/**
 * convert bitmap into byte[]//from   w w  w.  java2  s.c  o  m
 * @param bitmap the source bitmap
 * @param quality  Hint to the compressor, 0-100. 0 meaning compress for
 *                 small size, 100 meaning compress for max quality. Some
 *                 formats, like PNG which is lossless, will ignore the
 *                 quality setting
 * @return the byte[]
 */
public static byte[] bitmap2bytes(Bitmap bitmap, int quality) {
    if (null == bitmap)
        return new byte[] {};
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, quality, baos);
    byte[] result = baos.toByteArray();
    try {
        baos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return result;
}

From source file:Main.java

public static byte[] compressBmpToBytes(Bitmap bitmap) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    int options = 100;
    bitmap.compress(Bitmap.CompressFormat.JPEG, options, baos);

    return baos.toByteArray();
}

From source file:Main.java

public static String toBase64(Bitmap bitmap) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream);
    byte[] byteArray = byteArrayOutputStream.toByteArray();

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

From source file:Main.java

/**
 * Serialize an object into bytes./* w  ww  . j a  va  2 s .c o m*/
 * @param o Object to be serialized.
 * @return Serialized stream of bytes.
 * @throws IOException
 */
public static byte[] objectToBytes(Serializable o) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ObjectOutputStream oo = new ObjectOutputStream(out);
    oo.writeObject(o);
    oo.close();
    return out.toByteArray();
}

From source file:javafx1.Testpics.java

public static String encodeToString(BufferedImage image, String type) {
    String imageString = null;/*from   ww w . j  a v  a  2s .  c om*/
    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    try {
        ImageIO.write(image, type, bos);
        byte[] imageBytes = bos.toByteArray();

        BASE64Encoder encoder = new BASE64Encoder();
        imageString = encoder.encode(imageBytes);

        bos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return imageString;
}