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 InputStream toCompressedJpeg(Bitmap bitmap) {
    ByteArrayOutputStream thumbnailBytes = new ByteArrayOutputStream();
    bitmap.compress(CompressFormat.JPEG, 85, thumbnailBytes);
    return new ByteArrayInputStream(thumbnailBytes.toByteArray());
}

From source file:Main.java

/**
 * TODO doc/*w  ww  .j  a  va 2  s  .c  o m*/
 *
 * @param photoBitmap
 * @return
 */
public static byte[] toByteArray(Bitmap photoBitmap) throws IOException {
    ByteArrayOutputStream blob = new ByteArrayOutputStream();
    photoBitmap.compress(Bitmap.CompressFormat.PNG, 0 /*ignored for PNG*/, blob);
    byte[] photoByteArray = blob.toByteArray();
    blob.close();
    return photoByteArray;
}

From source file:ch.ledcom.jpreseed.InitrdRepackerTest.java

private static CpioArchiveInputStream gzippedCpio(ByteArrayOutputStream stream) throws IOException {
    return new CpioArchiveInputStream(new GZIPInputStream(new ByteArrayInputStream(stream.toByteArray())));
}

From source file:Main.java

public static byte[] toBytes(Object obj) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(obj);//www . ja  v  a 2  s .co m
    byte[] arr = baos.toByteArray();
    return arr;
}

From source file:net.bpelunit.util.FileUtil.java

public static byte[] readFile(File f) throws IOException {
    FileInputStream bprInputStream = null;
    try {//from   w w w  .  j  av  a 2 s .c  o  m
        bprInputStream = new FileInputStream(f);
        ByteArrayOutputStream bytesOut = new ByteArrayOutputStream((int) f.length());
        IOUtils.copy(bprInputStream, bytesOut);

        return bytesOut.toByteArray();
    } finally {
        IOUtils.closeQuietly(bprInputStream);
    }
}

From source file:Main.java

public static byte[] compressBmpToBytes(Bitmap bitmap, int maxSize) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    int options = 100;
    bitmap.compress(Bitmap.CompressFormat.JPEG, options, baos);
    while (baos.toByteArray().length / 1024 >= maxSize) {
        baos.reset();//from  w w w  .  ja v a2s.c om
        options -= 5;
        bitmap.compress(Bitmap.CompressFormat.JPEG, options, baos);
    }

    return baos.toByteArray();
}

From source file:Main.java

public static byte[] toByte(InputStream input) throws IOException {
    byte[] buf = new byte[1024];
    int len = -1;
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    while ((len = input.read(buf)) != -1) {
        output.write(buf, 0, len);/*from ww  w.  ja  v a 2 s.  co  m*/
    }
    byte[] data = output.toByteArray();
    output.close();
    input.close();
    return data;
}

From source file:Main.java

public static String bitmapChangeString(Bitmap bitmap) {
    if (bitmap != null) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos);
        String str = new String(Base64.encodeToString(baos.toByteArray(), Base64.DEFAULT));
        return str;
    }//from   w w w. ja v a 2 s .c  om
    return null;
}

From source file:Main.java

public static String imgsToBase64(Bitmap bitmap) {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);

    return Base64.encodeToString(outputStream.toByteArray(), Base64.DEFAULT);
}

From source file:Main.java

/**
 * Encodes an ImageView into a base-64 byte array representation. Encoding compression depends
 * on the quality parameter passed. 0 is the most compressed (lowest quality) and 100 is the
 * least compressed (highest quality).//  ww w  . ja  v a2s . c  om
 *
 * @param context
 * @param res     the resource id of an ImageView
 * @param quality The amount of compression, where 0 is the lowest quality and 100 is the
 *                highest
 * @return the raw base-64 image data compressed accordingly
 */
public static byte[] encodeBase64Image(Context context, int res, int quality) {
    // ensure quality is between 0 and 100 (inclusive)
    quality = Math.max(LOWEST_QUALITY, Math.min(HIGHEST_QUALITY, quality));

    Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(), res);
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, quality, stream);
    return stream.toByteArray();
}