Example usage for java.io ByteArrayOutputStream close

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[] compress(byte[] data, int level) throws IOException {
    if (data == null || data.length == 0) {
        return data;
    }/*w w  w.  j av a2 s. c o  m*/
    ByteArrayOutputStream bout = new ByteArrayOutputStream(data.length);
    Deflater deflater = new Deflater();
    deflater.setLevel(level);
    deflater.setInput(data);
    deflater.finish();
    byte[] buf = new byte[BUFFER_SIZE];
    while (!deflater.finished()) {
        int count = deflater.deflate(buf);
        bout.write(buf, 0, count);
    }
    deflater.end();
    bout.close();
    return bout.toByteArray();
}

From source file:com.adaptris.core.MimeEncoder.java

/**
 * Get metadata out of an AdaptrisMessage
 *
 * @return a byte array representing the adaptris message
 *//*ww  w .  j a va2  s  . c om*/
private static byte[] getMetadata(AdaptrisMessage msg) throws IOException {

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    Properties metadata = convertToProperties(msg.getMetadata());
    metadata.store(out, "");
    out.close();
    return out.toByteArray();
}

From source file:org.dataconservancy.ui.it.support.HttpAssert.java

/**
 * Free the HTTP connection by consuming the entity body of the response.  Will return a copy of the entity body
 * according to {@code copy}./* ww w .  ja v a  2 s  . co m*/
 *
 * @param response the HTTP response
 * @param copy     creates a copy of the entity body if true
 * @return an InputStream to the entity body if {@code copy} is true, null otherwise.
 */
private static InputStream freeAndCopy(HttpResponse response, boolean copy) {
    HttpEntity entity;
    if ((entity = response.getEntity()) != null) {
        try {
            final InputStream entityBody = entity.getContent();
            InputStream entityBodyCopy = null;
            if (copy) {
                ByteArrayOutputStream copyOut = new ByteArrayOutputStream(1024);
                IOUtils.copy(entityBody, copyOut);
                copyOut.close();
                entityBodyCopy = new ByteArrayInputStream(copyOut.toByteArray());
            }

            entityBody.close();
            return entityBodyCopy;
        } catch (IOException e) {
            // ignore
        }
    }

    return null;
}

From source file:com.netflix.dyno.connectionpool.impl.utils.ZipUtils.java

public static byte[] compressString(String value) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(value.length());
    GZIPOutputStream gos = new GZIPOutputStream(baos);
    gos.write(Base64.encode(value.getBytes(StandardCharsets.UTF_8)));
    gos.close();/*from  w ww .ja  v  a2s. c  o m*/
    byte[] compressed = baos.toByteArray();
    baos.close();
    return compressed;
}

From source file:Main.java

public static byte[] inputStream2ByteArray(InputStream is, int bufferSize) throws IOException {
    if (null == is) {
        return null;
    }/* w  w w  . jav  a 2s.  co  m*/
    if (bufferSize < 1) {
        bufferSize = 1;
    }
    ByteArrayOutputStream byteBuffer = new ByteArrayOutputStream();

    // this is storage overwritten on each iteration with bytes
    byte[] buffer = new byte[bufferSize];

    // we need to know how may bytes were read to write them to the
    // byteBuffer
    int len = 0;
    while ((len = is.read(buffer)) != -1) {
        byteBuffer.write(buffer, 0, len);
    }

    byteBuffer.close();
    is.close();

    // and then we can return your byte array.
    return byteBuffer.toByteArray();
}

From source file:net.sourceforge.jweb.maven.mojo.InWarMinifyMojo.java

public static String buildStack(Throwable t) {
    ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();
    PrintStream printStream = new PrintStream(arrayOutputStream);
    t.printStackTrace(printStream);// ww w  .j av  a  2  s .  c o m
    String ret = arrayOutputStream.toString();
    try {
        arrayOutputStream.close();
        printStream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return ret;
}

From source file:pt.ist.expenditureTrackingSystem.presentationTier.actions.statistics.ChartGenerator.java

protected static byte[] createBarChartImage(final ChartData chartData) throws RuntimeException, IOException {
    final JFreeChart chart = createBarChart(chartData.getDataset(), chartData.getTitle());
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    final BufferedImage bufferedImage = chart.createBufferedImage(625, 475);
    ImageIO.write(bufferedImage, "png", outputStream);
    bufferedImage.flush();//from www. j a v a  2 s  . co  m
    outputStream.close();
    return outputStream.toByteArray();
}

From source file:pt.ist.expenditureTrackingSystem.presentationTier.actions.statistics.ChartGenerator.java

protected static byte[] createBarChartImage(final CategoryDataset categoryDataset, final String title)
        throws RuntimeException, IOException {
    final JFreeChart chart = createBarChart(categoryDataset, title);
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    final BufferedImage bufferedImage = chart.createBufferedImage(625, 475);
    ImageIO.write(bufferedImage, "png", outputStream);
    bufferedImage.flush();//  www  .  ja  v  a  2s. com
    outputStream.close();
    return outputStream.toByteArray();
}

From source file:Main.java

public static Bitmap tryToGetBitmapFromInternet(String bitmapUrl, Context context, int imageSize) {
    if (null != bitmapUrl) {
        InputStream inputStream = null;
        try {/*from www . j ava2 s  . c om*/
            URL url = new URL(bitmapUrl);

            URLConnection connection = url.openConnection();

            connection.connect();

            inputStream = connection.getInputStream();
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024];
            int read;

            while ((read = inputStream.read(buffer)) != -1) {
                byteArrayOutputStream.write(buffer, 0, read);
            }
            inputStream.close();
            byteArrayOutputStream.close();

            buffer = byteArrayOutputStream.toByteArray();

            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;

            BitmapFactory.decodeByteArray(buffer, 0, buffer.length, options);

            int maxSize = Math.max(options.outWidth, options.outHeight);
            float newImageScale = 1f;
            if (-1 != imageSize) {
                newImageScale = maxSize / (imageSize * context.getResources().getDisplayMetrics().density);
            }

            options.inJustDecodeBounds = false;
            options.inSampleSize = Math.round(newImageScale);

            return BitmapFactory.decodeByteArray(buffer, 0, buffer.length, options);
        } catch (Throwable e) {
            // pass
        } finally {
            if (null != inputStream) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    // pass
                }
                inputStream = null;
            }
            System.gc();
        }
    }

    return null;
}

From source file:Main.java

static public byte[] getBytes(File file) throws IOException {
    InputStream ios = null;/*  w  ww  . j a  va  2  s .  c o  m*/
    ByteArrayOutputStream ous = null;
    try {
        byte[] buffer = new byte[4096];
        ous = new ByteArrayOutputStream();
        ios = new FileInputStream(file);
        int read = 0;
        while ((read = ios.read(buffer)) != -1) {
            ous.write(buffer, 0, read);
        }
    } finally {
        try {
            if (ous != null)
                ous.close();
        } catch (IOException e) {
        }

        try {
            if (ios != null)
                ios.close();
        } catch (IOException e) {
        }
    }

    return ous.toByteArray();
}