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

private static byte[] readInputStream(InputStream inStream) throws Exception {
    if (inStream != null) {
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int len = 0;
        while ((len = inStream.read(buffer)) != -1) {
            outStream.write(buffer, 0, len);
        }/* ww w . j a v a 2s . co  m*/
        inStream.close();
        return outStream.toByteArray();
    }
    return null;
}

From source file:Main.java

public static String objectToString(Object obj) {
    try {//from www . j  ava  2s. c o m
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        ObjectOutputStream os = new ObjectOutputStream(bos);
        os.writeObject(obj);
        String bytesToHexString = bytesToHexString(bos.toByteArray());
        return bytesToHexString;
    } catch (IOException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:Main.java

public static byte[] charArrayToByteArray(char[] buffer) {
    try {/*from   w  ww  .j  a  v a 2 s.c om*/
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStreamWriter out = new OutputStreamWriter(baos, ENCODING);
        Reader reader = new CharArrayReader(buffer);
        for (int ch; (ch = reader.read()) != -1;) {
            out.write(ch);
        }
        return baos.toByteArray();
    } catch (Exception ex) {
        return null;
    }
}

From source file:Main.java

public static InputStream getInputStreamValue(Bitmap bitmap) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
    InputStream in = new ByteArrayInputStream(stream.toByteArray());
    return in;//from  www .j  ava  2 s .c  o m
}

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();//  ww  w.j a  v a 2 s .c  o  m
        options -= 5;
        bitmap.compress(Bitmap.CompressFormat.JPEG, options, baos);
    }

    return baos.toByteArray();
}

From source file:Main.java

public static byte[] base64_decode(String s) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    try {/*  w  ww .  ja  va  2s  .  co  m*/
        decode(s, bos);
    } catch (IOException e) {
        throw new RuntimeException();
    }
    byte[] decodedBytes = bos.toByteArray();
    try {
        bos.close();
        bos = null;
    } catch (IOException ex) {
        System.err.println("Error while decoding BASE64: " + ex.toString());
    }
    return decodedBytes;
}

From source file:Main.java

public static String bitmapToString(Bitmap bm, int rate) {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bm.compress(Bitmap.CompressFormat.JPEG, rate, baos);
    byte[] b = baos.toByteArray();
    return Base64.encodeToString(b, Base64.DEFAULT);
}

From source file:Main.java

public static byte[] decodeBytes(Bitmap bm) {
    if (bm == null) {
        return null;
    }//from   w ww  .j  av a2s . c  o  m
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.PNG, 100, baos);
        return baos.toByteArray();
    } catch (OutOfMemoryError e) {
        return null;
    }
}

From source file:Main.java

public static byte[] bmpToByteArray(final Bitmap bmp, final boolean needRecycle) {
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    bmp.compress(CompressFormat.PNG, 100, output);
    if (needRecycle) {
        bmp.recycle();//from  www  . ja v  a2s . c  om
    }

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

    return result;
}

From source file:Main.java

private static Bitmap compassBitmap(Bitmap src, Bitmap.CompressFormat format, int quality) {

    ByteArrayOutputStream os = new ByteArrayOutputStream();
    src.compress(format, quality, os);//from ww w  .j  a  v  a 2  s . co m

    byte[] array = os.toByteArray();
    return BitmapFactory.decodeByteArray(array, 0, array.length);
}