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[] decompressZLIB(byte[] input) throws IOException {
    Inflater decompressor = new Inflater();
    decompressor.setInput(input);//ww  w. jav a  2s .  c  o  m
    // Create an expandable byte array to hold the decompressed data
    ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);

    // Decompress the data
    byte[] buf = new byte[1024];
    while (!decompressor.finished()) {
        try {
            int count = decompressor.inflate(buf);
            bos.write(buf, 0, count);
        } catch (DataFormatException e) {
            throw new IOException(e.toString());
        }
    }
    bos.close();

    // Get the decompressed data
    byte[] decompressedData = bos.toByteArray();
    return decompressedData;
}

From source file:com.company.project.core.connector.HttpClientHelper.java

public static byte[] getByteaArrayFromConn(HttpURLConnection conn, boolean isSuccess) throws IOException {

    InputStream is = conn.getInputStream();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buff = new byte[1024];
    int bytesRead = 0;

    while ((bytesRead = is.read(buff, 0, buff.length)) != -1) {
        baos.write(buff, 0, bytesRead);/*from  w  w w  .  j  a v  a 2s . c  om*/
    }

    byte[] bytes = baos.toByteArray();
    baos.close();
    return bytes;
}

From source file:com.qatickets.common.ZIPHelper.java

public static byte[] compress(byte[] data) {

    // Create the compressor with highest level of compression
    final Deflater compressor = new Deflater();
    compressor.setLevel(Deflater.BEST_COMPRESSION);

    // Give the compressor the data to compress
    compressor.setInput(data);//from ww  w . j  a v  a  2  s  .  c o  m
    compressor.finish();

    // Create an expandable byte array to hold the compressed data.
    // You cannot use an array that's the same size as the orginal because
    // there is no guarantee that the compressed data will be smaller than
    // the uncompressed data.
    final ByteArrayOutputStream bos = new ByteArrayOutputStream(data.length);

    // Compress the data
    byte[] buf = new byte[1024];
    while (!compressor.finished()) {
        final int count = compressor.deflate(buf);
        bos.write(buf, 0, count);
    }
    try {
        bos.close();
    } catch (IOException e) {
    }

    // Get the compressed data
    final byte[] compressedData = bos.toByteArray();

    compressor.end();

    return compressedData;
}

From source file:Serialization.java

/**
 * Gets an array of bytes corresponding to the given object.
 * @param object the object to serialize
 * @return an array of bytes./*from   ww w  .ja  v  a 2  s.co  m*/
 * @throws IOException if the object can't be turned into an array of bytes.
 */
public static byte[] storeObject(final Serializable object) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = null;
    try {
        oos = new ObjectOutputStream(baos);
        oos.writeObject(object);
        oos.flush();
        return baos.toByteArray();
    } finally {
        if (oos != null) {
            oos.close();
        }
        if (baos != null) {
            baos.close();
        }
    }
}

From source file:Main.java

public static byte[] getBytesFromFile(File f) {

    if (f == null) {
        return null;
    }//  www  .  j a  va  2 s.c  o  m

    FileInputStream stream = null;
    ByteArrayOutputStream out = null;

    try {
        stream = new FileInputStream(f);
        out = new ByteArrayOutputStream(1024);
        byte[] b = new byte[1024];
        int n;
        while ((n = stream.read(b)) != -1)
            out.write(b, 0, n);

    } catch (Exception e) {
    }

    try {
        if (out != null)
            out.close();

        if (stream != null)
            stream.close();
    } catch (Exception e) {
    }

    System.gc();

    if (out == null)
        return null;

    return out.toByteArray();
}

From source file:Main.java

public static String parseObj2Xml(Object object) throws Exception {
    XMLEncoder encoder = null;//w w w.ja  v  a  2  s. c o  m
    String str = null;
    BufferedOutputStream bufOut = null;
    ByteArrayOutputStream out = null;
    try {
        out = new ByteArrayOutputStream();
        bufOut = new BufferedOutputStream(out);
        encoder = new XMLEncoder(bufOut);
        encoder.writeObject(object);
        encoder.close();
        str = new String(out.toByteArray());
    } catch (Exception ex) {
        throw ex;
    } finally {
        if (out != null)
            out.close();
        if (bufOut != null)
            bufOut.close();
    }
    return str;
}

From source file:Main.java

/**
 * Convert an image to a byte array/*ww w .  ja  v a 2  s  .  com*/
 * @param uri
 * @param context
 * @return
 */
public static byte[] convertImageToByte(Uri uri, Context context) {
    byte[] data = null;
    try {
        ContentResolver cr = context.getContentResolver();
        InputStream inputStream = cr.openInputStream(uri);
        Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos);
        data = baos.toByteArray();
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (Exception e2) {
            }
        }
        if (baos != null) {
            try {
                baos.close();
            } catch (Exception e2) {
            }
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return data;
}

From source file:de.alpharogroup.xml.json.JsonTransformer.java

/**
 * Creates from the given {@link List} to a json string.
 *
 * @param <T>/*from  w  w w. jav  a 2 s.c  o m*/
 *            the generic type
 * @param list
 *            the list
 * @return the json string.
 * @throws JsonGenerationException
 *             If an error occurs by writing json string
 * @throws JsonMappingException
 *             the If an error occurs when mapping the string into Object
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static <T> String toJson(final List<T> list)
        throws JsonGenerationException, JsonMappingException, IOException {
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    final ObjectMapper mapper = new ObjectMapper();

    mapper.writeValue(out, list);

    final byte[] bytes = out.toByteArray();
    out.close();
    return new String(bytes);
}

From source file:Main.java

public static String readFile(Context context, String fileName) {
    if (!exists(context, fileName)) {
        return null;
    }//  w w  w. ja v a2s. co  m
    FileInputStream fis = null;
    String content = null;
    try {
        fis = context.openFileInput(fileName);
        if (fis != null) {

            byte[] buffer = new byte[1024];
            ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();
            while (true) {
                int readLength = fis.read(buffer);
                if (readLength == -1)
                    break;
                arrayOutputStream.write(buffer, 0, readLength);
            }
            fis.close();
            arrayOutputStream.close();
            content = new String(arrayOutputStream.toByteArray());

        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
        content = null;
    } finally {
        try {
            if (fis != null)
                fis.close();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
    return content;
}

From source file:Main.java

public static String readFile(String filePath) {
    if (filePath == null || !new File(filePath).exists()) {
        return null;
    }//from   w w w .  j  ava2  s .  c om
    FileInputStream fis = null;
    String content = null;
    try {
        fis = new FileInputStream(filePath);
        if (fis != null) {

            byte[] buffer = new byte[1024];
            ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();
            while (true) {
                int readLength = fis.read(buffer);
                if (readLength == -1)
                    break;
                arrayOutputStream.write(buffer, 0, readLength);
            }
            fis.close();
            arrayOutputStream.close();
            content = new String(arrayOutputStream.toByteArray());

        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
        content = null;
    } finally {
        try {
            if (fis != null)
                fis.close();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
    return content;
}