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[] bitampToByteArray(Bitmap bitmap) {
    byte[] array = null;
    try {/*w w  w.  ja  v  a2 s  .co  m*/
        if (null != bitmap) {
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            bitmap.compress(Bitmap.CompressFormat.PNG, 100, os);
            array = os.toByteArray();
            os.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    return array;
}

From source file:Main.java

public static byte[] Bitmap2Bytes(Bitmap bm, Bitmap.CompressFormat format) {
    if (bm == null) {
        return null;
    }//from www  .j av a 2s  . c  om
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bm.compress(format, 100, baos);
    return baos.toByteArray();
}

From source file:Main.java

/**
 * Serialize an object into bytes.// w w  w .j a  v  a2  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:Main.java

public static byte[] bitmapToBytes(Bitmap source) {
    if (source == null) {
        return null;
    } else {//from w w w  .  j a v  a  2  s . co  m
        ByteArrayOutputStream returnByte = new ByteArrayOutputStream();
        source.compress(Bitmap.CompressFormat.JPEG, DEFAULT_QUALITY, returnByte);
        return returnByte.toByteArray();
    }
}

From source file:Main.java

public static String compress(String str) throws IOException {
    if (str == null || str.length() == 0) {
        return str;
    }/*  w ww .j  a  v  a 2 s.c  om*/
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(out);
    gzip.write(str.getBytes());
    gzip.close();
    return out.toString("ISO-8859-1");
}

From source file:Main.java

public static byte[] convertToBytes(Bitmap bitmap, CompressFormat format, int quality) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(format, quality, stream);
    byte[] data = stream.toByteArray();
    try {//w  w w . ja v a 2s. co m
        stream.close();
    } catch (Exception e) {
        // nothing
    }
    return data;
}

From source file:Main.java

public static byte[] serialize(Object o) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;//from  w w w  .j av a  2s  . c  o  m
    byte[] bytes = null;
    try {
        out = new ObjectOutputStream(bos);
        out.writeObject(o);
        bytes = bos.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (out != null) {
                out.close();
            }
        } catch (IOException ex) {
            // ignore close exception
        }
        try {
            bos.close();
        } catch (IOException ex) {
            // ignore close exception
        }
    }
    return bytes;
}

From source file:Main.java

/**
 * Converts bitmap to byte array//from w w w .  ja  va 2s  .c o m
 *
 * @param bitmap
 * @return
 */
public static byte[] getBytes(Bitmap bitmap) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 0, stream);
    return stream.toByteArray();
}

From source file:SerializationUtils.java

public static byte[] serialize(Object obj) {
    try {//from   w  w  w  .  j av a 2  s  . com
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(buffer);
        oos.writeObject(obj);
        oos.close();
        return buffer.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException("error writing to byte-array!");
    }
}

From source file:Main.java

public static byte[] readInputStream(InputStream is) throws IOException {
    byte[] buffer = new byte[1024];
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    int len;/*from   w w  w .  j  a  v a 2 s . c  om*/
    while ((len = is.read(buffer)) != -1) {
        baos.write(buffer, 0, len);
    }
    baos.flush();
    baos.close();
    is.close();
    return baos.toByteArray();
}