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

/**
 * BitMap2Byte/*from www.  j ava  2  s  .co  m*/
 *
 * @param bitmap
 * @return
 */
public static byte[] getBitmapByte(Bitmap bitmap) {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
    try {
        out.flush();
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return out.toByteArray();
}

From source file:Main.java

/**
 * This method converts a bitmap image to a byte array.
 *
 * @param bm/*w w w.ja v a  2 s.  c  o  m*/
 * @return
 */
public static byte[] getBytesFromBitmap(Bitmap bm) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bm.compress(Bitmap.CompressFormat.PNG, 100, stream);
    return stream.toByteArray();
}

From source file:Main.java

public static byte[] readNetWorkInputStream(InputStream in) {
    ByteArrayOutputStream os = null;
    try {/*from w ww  . jav  a2  s  .  com*/
        os = new ByteArrayOutputStream();

        int readCount = 0;
        int len = 1024;
        byte[] buffer = new byte[len];
        while ((readCount = in.read(buffer)) != -1) {
            os.write(buffer, 0, readCount);
        }

        in.close();
        in = null;

        return os.toByteArray();

    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (null != os) {
            try {
                os.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
            os = null;
        }
    }
    return null;
}

From source file:Main.java

public static String convertToBase64(Bitmap bmp) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.JPEG, 80, stream);
    byte[] byteArray = stream.toByteArray();
    try {//from  w  w w.  ja v  a 2 s  . c  om
        stream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return Base64.encodeToString(byteArray, Base64.DEFAULT);
}

From source file:Main.java

private static InputStream bitmapToStream(Bitmap bitmap) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bitmap.compress(CompressFormat.PNG, 100, baos);
    InputStream sbs = new ByteArrayInputStream(baos.toByteArray());
    return sbs;/*from  w w  w . ja v a 2 s . com*/
}

From source file:Main.java

public static byte[] decompressGZIP(byte bytes[]) throws IOException {
    ByteArrayInputStream is = new ByteArrayInputStream(bytes);
    GZIPInputStream gzipis = new GZIPInputStream(is);
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    int i;/* w ww  . java  2  s. c o m*/
    while ((i = gzipis.read()) != -1) {
        os.write(i);
    }
    gzipis.close();
    os.close();
    return os.toByteArray();
}

From source file:MainClass.java

public static byte[] makeBytes(long t, double q) {
    try {//  ww  w  .  j a v a 2s. c  o  m
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
        DataOutputStream dataOut = new DataOutputStream(byteOut);
        dataOut.writeLong(t);
        dataOut.writeDouble(q);
        return byteOut.toByteArray();
    } catch (IOException e) {
        return new byte[0];
    }
}

From source file:Main.java

public static InputStream bitmap2InputStream(Bitmap bm) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bm.compress(Bitmap.CompressFormat.JPEG, 100, baos);
    InputStream is = new ByteArrayInputStream(baos.toByteArray());
    return is;/*w ww  . ja  v a 2  s  . co m*/
}

From source file:Main.java

public final static byte[] BitmapChangeByte(Bitmap btm) {
    if (btm == null) {
        return null;
    }/*from  ww  w  .j  av  a2  s .  co m*/
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    btm.compress(CompressFormat.PNG, 100, baos);
    byte[] data2 = baos.toByteArray();
    return data2;
}

From source file:Main.java

public static byte[] readFully(File file) throws IOException {
    final InputStream in = new BufferedInputStream(new FileInputStream(file));
    try {//  w w  w. j a  v  a 2s .  c  o  m
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        byte[] buffer = new byte[1 << 20];
        int count;
        while ((count = in.read(buffer)) != -1) {
            bytes.write(buffer, 0, count);
        }
        return bytes.toByteArray();
    } finally {
        in.close();
    }
}