Example usage for java.io ByteArrayOutputStream ByteArrayOutputStream

Introduction

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

Prototype

public ByteArrayOutputStream()

Source Link

Document

Creates a new ByteArrayOutputStream .

Usage

From source file:Main.java

public static byte[] longToByteArray(long number) {
    try {//from  ww  w  . j  a v a 2  s  .  c o  m
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(bos);
        dos.writeLong(number);
        dos.flush();
        // lenth have to be 2 byte
        byte[] d = bos.toByteArray();
        dos.close();

        return d;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static String bmpToStrBase64(Bitmap bitmap) {

    Bitmap bm = bitmap;//from  www  . ja v  a  2 s  . com
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bm.compress(Bitmap.CompressFormat.JPEG, 80, stream); //bm is the bitmap object
    byte[] b = stream.toByteArray();
    String strBase64 = Base64.encodeToString(b, 0);

    return strBase64;
}

From source file:Main.java

public static long getBitmapSize(Bitmap bitmap) {
    long length = 0;
    if (bitmap != null) {
        ByteArrayOutputStream stream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
        byte[] imageInByte = stream.toByteArray();
        length = imageInByte.length;/*from  ww  w  . ja  v  a  2  s  .com*/
    }
    return length;
}

From source file:Main.java

public static byte[] bmpToByteArray(Bitmap bmp) {
    if (bmp == null)
        return null;
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.PNG, 80, output);

    byte[] result = output.toByteArray();
    try {/*  w  ww  . j a va 2  s  . c o m*/
        output.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

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 w  w w .  jav a2s . c o m*/
}

From source file:Main.java

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

    ByteArrayOutputStream bytestream = new ByteArrayOutputStream();
    int ch;//from w ww. ja  v a  2 s  . 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 String bitmapToBase64(Bitmap bitmap) {

    try {//from   w ww.j a  v a  2s  .co  m
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        baos.close();
        byte[] buffer = baos.toByteArray();
        String photo = Base64.encodeToString(buffer, 0, buffer.length, Base64.DEFAULT);
        return photo;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static byte[] shortToByteArray(short number) {
    try {/*from w  w w  . j av  a 2  s  .c  o m*/
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(bos);
        dos.writeShort(number);
        dos.flush();
        // lenth have to be 2 byte
        byte[] d = bos.toByteArray();
        dos.close();

        return d;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static byte[] convertBitmap(Bitmap bitmap, int quality) {
    if (bitmap == null)
        return null;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, 70, baos);
    return baos.toByteArray();
}

From source file:Main.java

public static byte[] serialize(Object obj) throws Exception {
    //System.err.println(" ser ##"+obj);
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    ObjectOutputStream oout = new ObjectOutputStream(bout);
    oout.writeObject(obj);/*from  w  ww .j  a va  2  s.  c  o m*/
    oout.flush();
    byte array[] = bout.toByteArray();
    oout.close();
    bout.close();
    //System.err.println(" ser #"+new String(array));
    return array;
}