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:AkashApplications.src.GenerateBarcode.java

public static String convertToBase64(String barcodePath) {
    String type = "jpg";
    BufferedImage img = null;/*  ww w.j  a v a2 s  .  co  m*/
    try {
        img = ImageIO.read(new File(barcodePath));
    } catch (IOException e) {
    }

    String imageString = null;
    ByteArrayOutputStream bos = new ByteArrayOutputStream();

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

        BASE64Encoder encoder = new BASE64Encoder();
        imageString = encoder.encode(imageBytes);

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

From source file:FileUtil.java

public static byte[] readFileAsBytes(String path, Integer start, Integer length) {

    byte[] byteData = null;

    try {//from w  ww  .  j  a  v  a2s.  c o m

        File file = new File(path);

        DataInputStream dis;
        dis = new DataInputStream(new FileInputStream(file));

        if (dis.available() > Integer.MAX_VALUE) {
            System.out.println("dis.available() > Integer.MAX_VALUE");
        }

        ByteArrayOutputStream os = new ByteArrayOutputStream(length);
        byte[] bytes = new byte[length];

        dis.skipBytes(start);
        int readBytes = dis.read(bytes, 0, length);
        os.write(bytes, 0, readBytes);

        byteData = os.toByteArray();

        dis.close();
        os.close();

    } catch (Exception e) {
        System.out.println(e);
    }

    return byteData;
}

From source file:Main.java

public static byte[] readInputStream(InputStream in) {
    try {//from   ww w.  j av  a2  s .c om
        ByteArrayOutputStream os = new ByteArrayOutputStream();

        byte[] b = new byte[in.available()];
        int length = 0;
        while ((length = in.read(b)) != -1) {
            os.write(b, 0, length);
        }

        b = os.toByteArray();

        in.close();
        in = null;

        os.close();
        os = null;

        return b;

    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static Bitmap decodeSampledBitmapFromFd(String filePath) {
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;/*from  w  w  w .java  2s  .  c  o  m*/
    BitmapFactory.decodeFile(filePath, options);

    // Calculate inSampleSize
    //        if(Build.VERSION.SDK_INT < 19)
    //        {
    //            options.inSampleSize = calculateInSampleSize(options, 300, 300);
    //        }
    //        else
    //        {
    options.inSampleSize = calculateInSampleSize(options, 480, 480);

    //        }

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;

    Bitmap bm = BitmapFactory.decodeFile(filePath, options);
    if (bm == null) {
        return null;
    }
    int degree = readPictureDegree(filePath);
    bm = rotateBitmap(bm, degree);
    ByteArrayOutputStream baos = null;
    try {
        baos = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.JPEG, 30, baos);

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

}

From source file:net.padaf.preflight.helpers.MetadataValidationHelper.java

/**
 * Return the xpacket from the dictionary's stream
 *///from  w  ww .ja  v a2s .  c o m
public static byte[] getXpacket(COSDocument cdocument) throws IOException, XpacketParsingException {
    COSObject catalog = cdocument.getCatalog();
    COSBase cb = catalog.getDictionaryObject(COSName.METADATA);
    if (cb == null) {
        // missing Metadata Key in catalog
        ValidationError error = new ValidationError(ValidationConstants.ERROR_METADATA_FORMAT,
                "Missing Metadata Key in catalog");
        throw new XpacketParsingException("Failed while retrieving xpacket", error);
    }
    // no filter key
    COSDictionary metadataDictionnary = COSUtils.getAsDictionary(cb, cdocument);
    if (metadataDictionnary.getItem(COSName.FILTER) != null) {
        // should not be defined
        ValidationError error = new ValidationError(ValidationConstants.ERROR_SYNTAX_STREAM_INVALID_FILTER,
                "Filter specified in metadata dictionnary");
        throw new XpacketParsingException("Failed while retrieving xpacket", error);
    }

    PDStream stream = PDStream.createFromCOS(metadataDictionnary);
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    InputStream is = stream.createInputStream();
    IOUtils.copy(is, bos);
    is.close();
    bos.close();
    return bos.toByteArray();
}

From source file:Main.java

public static byte[] readFromFile(File file) throws IOException {
    FileInputStream fin = null;//from w w w  .j  av  a 2  s .  c  o  m
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        fin = new FileInputStream(file);
        byte[] buffer = new byte[8192];
        int read = 0;
        while ((read = fin.read(buffer)) != -1) {
            out.write(buffer, 0, read);
        }
        byte[] data = out.toByteArray();
        out.close();
        return data;
    } finally {
        if (fin != null) {
            try {
                fin.close();
            } catch (IOException e) {
            }
        }
    }
}

From source file:Main.java

public static byte[] transStreamToBytes(InputStream is, int buffSize) {
    if (is == null) {
        return null;
    }//w ww  .  ja  v  a 2s  . c  om
    if (buffSize <= 0) {
        throw new IllegalArgumentException("buffSize can not less than zero.....");
    }
    byte[] data = null;
    byte[] buffer = new byte[buffSize];
    int actualSize = 0;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        while ((actualSize = is.read(buffer)) != -1) {
            baos.write(buffer, 0, actualSize);
        }
        data = baos.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            baos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return data;
}

From source file:com.amazonaws.services.logs.subscriptions.util.TestUtils.java

public static byte[] getCompressedTestFile(String filename) throws IOException {
    byte[] uncompressedData = FileUtils
            .readFileToByteArray(new File(TestUtils.class.getResource(filename).getFile()));

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    OutputStream gzipOutputStream = new GZIPOutputStream(byteArrayOutputStream);

    try {//from w w w  .ja  v a  2 s. c o  m
        gzipOutputStream.write(uncompressedData);
        gzipOutputStream.close();

        return byteArrayOutputStream.toByteArray();
    } finally {
        byteArrayOutputStream.close();
    }
}

From source file:Main.java

private static byte[] transStreamToBytes(InputStream is, int buffSize) {
    if (is == null) {
        return null;
    }/*  ww w. j a  v a 2s.  co  m*/
    if (buffSize <= 0) {
        throw new IllegalArgumentException("buffSize can not less than zero.....");
    }
    byte[] data = null;
    byte[] buffer = new byte[buffSize];
    int actualSize = 0;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        while ((actualSize = is.read(buffer)) != -1) {
            baos.write(buffer, 0, actualSize);
        }
        data = baos.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            baos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return data;
}

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

/**
 * Encodes the given byte array and then GZIP compresses it.
 *
 * @param value byte array input/*w w w.  j a  v  a 2 s .c  o  m*/
 * @return compressed byte array output
 * @throws IOException
 */
public static byte[] compressBytesNonBase64(byte[] value) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(value.length);
    GZIPOutputStream gos = new GZIPOutputStream(baos);
    gos.write(value);
    gos.close();
    byte[] compressed = baos.toByteArray();
    baos.close();
    return compressed;
}