Example usage for java.io ByteArrayOutputStream close

List of usage examples for java.io ByteArrayOutputStream close

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Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closing a ByteArrayOutputStream has no effect.

Usage

From source file:Main.java

public static byte[] decompress(byte[] data) {
    byte[] output = new byte[0];

    Inflater decompresser = new Inflater();
    decompresser.reset();//from   w  ww .  jav a2  s.  c om
    decompresser.setInput(data);

    ByteArrayOutputStream bos = new ByteArrayOutputStream(2 * data.length);
    try {
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int length = decompresser.inflate(buf);
            bos.write(buf, 0, length);
        }
        output = bos.toByteArray();
        bos.close();
    } catch (Exception e) {
        output = data;
        e.printStackTrace();
    }

    decompresser.end();
    return output;
}

From source file:Main.java

public static byte[] bmpToByteArray2(final Bitmap bmp, final boolean needRecycle) {

    int i;/*from w  w w  . j  a  v  a 2s.  com*/
    int j;
    if (bmp.getHeight() > bmp.getWidth()) {
        i = bmp.getWidth();
        j = bmp.getWidth();
    } else {
        i = bmp.getHeight();
        j = bmp.getHeight();
    }

    Bitmap localBitmap = Bitmap.createBitmap(i, j, Bitmap.Config.RGB_565);
    Canvas localCanvas = new Canvas(localBitmap);

    while (true) {
        localCanvas.drawBitmap(bmp, new Rect(0, 0, i, j), new Rect(0, 0, i, j), null);
        if (needRecycle)
            bmp.recycle();
        ByteArrayOutputStream localByteArrayOutputStream = new ByteArrayOutputStream();
        localBitmap.compress(Bitmap.CompressFormat.JPEG, 100, localByteArrayOutputStream);
        localBitmap.recycle();
        byte[] arrayOfByte = localByteArrayOutputStream.toByteArray();
        try {
            localByteArrayOutputStream.close();
            return arrayOfByte;
        } catch (Exception e) {
            //F.out(e);
        }
        i = bmp.getHeight();
        j = bmp.getHeight();
    }
}

From source file:Main.java

public static byte[] compress(byte[] data) {
    Deflater deflater = new Deflater();
    deflater.setInput(data);/*from  w ww .  ja  v a2 s .  co m*/
    try {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);

        deflater.finish();
        byte[] buffer = new byte[1024];
        while (!deflater.finished()) {
            int count = deflater.deflate(buffer);
            outputStream.write(buffer, 0, count);
        }
        outputStream.close();
        return outputStream.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        deflater.end();
    }

}

From source file:Main.java

/**
 * Download the avatar image from the server.
 *
 * @param avatarUrl the URL pointing to the avatar image
 * @return a byte array with the raw JPEG avatar image
 *///from  w  w  w  .j  a va2s.  c o m
public static byte[] downloadAvatar(final String avatarUrl) {
    // If there is no avatar, we're done
    if (TextUtils.isEmpty(avatarUrl)) {
        return null;
    }

    try {
        Log.i(TAG, "Downloading avatar: " + avatarUrl);
        // Request the avatar image from the server, and create a bitmap
        // object from the stream we get back.
        URL url = new URL(avatarUrl);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.connect();
        try {
            final BitmapFactory.Options options = new BitmapFactory.Options();
            final Bitmap avatar = BitmapFactory.decodeStream(connection.getInputStream(), null, options);

            // Take the image we received from the server, whatever format it
            // happens to be in, and convert it to a JPEG image. Note: we're
            // not resizing the avatar - we assume that the image we get from
            // the server is a reasonable size...
            Log.i(TAG, "Converting avatar to JPEG");
            ByteArrayOutputStream convertStream = new ByteArrayOutputStream(
                    avatar.getWidth() * avatar.getHeight() * 4);
            avatar.compress(Bitmap.CompressFormat.JPEG, 95, convertStream);
            convertStream.flush();
            convertStream.close();
            // On pre-Honeycomb systems, it's important to call recycle on bitmaps
            avatar.recycle();
            return convertStream.toByteArray();
        } finally {
            connection.disconnect();
        }
    } catch (MalformedURLException muex) {
        // A bad URL - nothing we can really do about it here...
        Log.e(TAG, "Malformed avatar URL: " + avatarUrl);
    } catch (IOException ioex) {
        // If we're unable to download the avatar, it's a bummer but not the
        // end of the world. We'll try to get it next time we sync.
        Log.e(TAG, "Failed to download user avatar: " + avatarUrl);
    }
    return null;
}

From source file:Main.java

public static byte[] readStream(InputStream inStream) {
    try {//from w  w  w  . j  a v  a2 s.co m
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int len = 0;
        while ((len = inStream.read(buffer)) != -1) {
            outStream.write(buffer, 0, len);
        }

        byte[] data = outStream.toByteArray();
        outStream.flush();
        outStream.close();
        inStream.close();

        return data;
    } catch (OutOfMemoryError e) {
        return null;
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
private static String decryptStringImpl(Context context, final String encryptedText) {
    String plainText = null;/*  ww  w.ja va2s . c om*/
    try {
        final KeyStore keyStore = getKeyStore(context);

        PrivateKey privateKey = (PrivateKey) keyStore.getKey(KEY_ALIAS, null);

        String algorithm = ALGORITHM_OLD;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            algorithm = ALGORITHM;
        }
        Cipher cipher = Cipher.getInstance(algorithm);
        cipher.init(Cipher.DECRYPT_MODE, privateKey);

        CipherInputStream cipherInputStream = new CipherInputStream(
                new ByteArrayInputStream(Base64.decode(encryptedText, Base64.DEFAULT)), cipher);

        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        int b;
        while ((b = cipherInputStream.read()) != -1) {
            outputStream.write(b);
        }
        outputStream.close();
        plainText = outputStream.toString("UTF-8");
    } catch (Exception e) {
        e.printStackTrace();
    }
    return plainText;
}

From source file:com.giacomodrago.immediatecrypt.messagecipher.Compression.java

public static byte[] decompress(byte[] plaintext) {
    try {/* w  w w.  ja  v  a  2  s.  c om*/
        ByteArrayOutputStream writer = new ByteArrayOutputStream();
        ByteArrayInputStream reader = new ByteArrayInputStream(plaintext);
        GZIPInputStream gzipStream = new GZIPInputStream(reader);
        IOUtils.copy(gzipStream, writer);
        gzipStream.close();
        writer.flush();
        writer.close();
        return writer.toByteArray();
    } catch (IOException ex) {
        return null; // Invalid source data
    }
}

From source file:Main.java

public static byte[] inflate(InputStream in, int bufferSize) throws IOException {
    ByteArrayOutputStream outStream = new ByteArrayOutputStream(bufferSize);

    InflaterInputStream inStream = new InflaterInputStream(in);

    byte[] buf = new byte[4096];
    while (true) {
        int size = inStream.read(buf);
        if (size <= 0)
            break;
        outStream.write(buf, 0, size);//from  w w  w  .  j  a  va 2 s .co m
    }
    outStream.close();

    return outStream.toByteArray();
}

From source file:ch.fork.AdHocRailway.ui.utils.ImageTools.java

/**
 * Encode image to string//from   w  w w  .  j ava2  s. c o m
 *
 * @param image The image to encode
 * @param type  jpeg, bmp, ...
 * @return encoded string
 */
public static String encodeToString(BufferedImage image, String type) {
    String imageString = null;
    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    try {
        ImageIO.write(image, type, bos);
        byte[] imageBytes = bos.toByteArray();

        imageString = Base64.encodeBase64String(imageBytes);

        bos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return imageString;
}

From source file:Main.java

public static String loadImageFromUrl(Context context, String imageURL, File file) {
    try {//from   www.  ja  v a  2  s.  c o  m
        URL url = new URL(imageURL);
        HttpURLConnection con = (HttpURLConnection) url.openConnection();
        con.setConnectTimeout(5 * 1000);
        con.setDoInput(true);
        con.connect();
        if (con.getResponseCode() == 200) {
            InputStream inputStream = con.getInputStream();

            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024 * 20];
            int length = -1;
            while ((length = inputStream.read(buffer)) != -1) {
                byteArrayOutputStream.write(buffer, 0, length);
            }
            byteArrayOutputStream.close();
            inputStream.close();

            FileOutputStream outputStream = new FileOutputStream(file);
            outputStream.write(byteArrayOutputStream.toByteArray());
            outputStream.close();
            return file.getPath();
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return "";
}