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

private static byte[] stringToBytes(String string) {
    if (string == null) {
        return null;
    }//from  w  w  w .  j  av  a2  s .c o m
    byte[] buffer = null;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    try {
        dos.writeUTF(string);
        buffer = baos.toByteArray();
    } catch (IOException ex) {
    } finally {
        try {
            baos.close();
            dos.close();
        } catch (IOException ex1) {
        }
        baos = null;
        dos = null;
    }
    return buffer;
}

From source file:HexDecoder.java

/**
 * Encodes the input data producing a Hex output stream.
 * @param data Input data to encode./*w ww  . jav  a2  s  .  c  o m*/
 * @return the number of bytes produced.
 */
public static String encode(final byte[] data) {
    try {
        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        encode(data, 0, data.length, out);
        out.close();
        return new String(out.toByteArray());
    } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException(e.getMessage(), e);
    }
}

From source file:Main.java

public static final byte[] compress(byte[] bytes) {
    if (bytes == null) {
        throw new NullPointerException("byte[] is NULL !");
    }/*from  w ww . j a va  2  s  . co m*/
    ByteArrayOutputStream bos = new ByteArrayOutputStream(8192);
    try {
        GZIPOutputStream gzip = new GZIPOutputStream(bos);
        gzip.write(bytes, 0, bytes.length);
        gzip.finish();
        byte[] fewerBytes = bos.toByteArray();
        gzip.close();
        bos.close();
        gzip = null;
        bos = null;
        return fewerBytes;
    } catch (IOException e) {
        return null;
    }
}

From source file:Main.java

public static byte[] compressInGzip(byte[] originalData, int offset, int length) throws Exception {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutStream = new GZIPOutputStream(bos);
    gzipOutStream.write(originalData, offset, length);
    gzipOutStream.finish();//from w w  w  .j  av a 2  s  .  c  o  m
    gzipOutStream.flush();
    gzipOutStream.close();
    byte[] compressData = bos.toByteArray();
    bos.close();

    return compressData;
}

From source file:Main.java

public static String readFile(Activity activity, String fileName) {
    AssetManager assets = activity.getAssets();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte buf[] = new byte[1024];
    int len;//from  w  w w  . ja va  2  s  .c o  m
    try {
        InputStream inputStream = assets.open(fileName);
        while ((len = inputStream.read(buf)) != -1) {
            outputStream.write(buf, 0, len);
        }
        outputStream.close();
        inputStream.close();
        return outputStream.toString();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static byte[] getBodyBytes(String ip, String port, String key)
        throws NumberFormatException, IOException {

    String[] ipArr = ip.split("\\.");
    byte[] ipByte = new byte[4];
    ipByte[0] = (byte) (Integer.parseInt(ipArr[0]) & 0xFF);
    ipByte[1] = (byte) (Integer.parseInt(ipArr[1]) & 0xFF);
    ipByte[2] = (byte) (Integer.parseInt(ipArr[2]) & 0xFF);
    ipByte[3] = (byte) (Integer.parseInt(ipArr[3]) & 0xFF);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    dos.write(ipByte);/*  w  w  w .  ja v  a 2s .co m*/
    dos.writeShort(Short.parseShort(port));
    dos.writeByte(key.getBytes().length);
    dos.write(key.getBytes());
    byte[] bs = baos.toByteArray();
    baos.close();
    dos.close();

    return bs;
}

From source file:Main.java

public static String compressAndB64EncodeUTF8Bytes(byte[] bytes) throws Exception {

    byte[] input = bytes;

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

    // Give the compressor the data to compress
    compressor.setInput(input);/*  w  ww . java 2  s  .c  o m*/
    compressor.finish();

    // Create an expandable byte array to hold the compressed data.
    // It is not necessary that the compressed data will be smaller than
    // the uncompressed data.
    ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);

    // Compress the data
    byte[] buf = new byte[32];
    while (!compressor.finished()) {
        int count = compressor.deflate(buf);
        bos.write(buf, 0, count);
    }
    try {
        bos.close();
    } catch (IOException e) {
    }

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

    return new String(Base64.encode(compressedData), "UTF-8");
}

From source file:edu.clemson.cs.nestbed.common.util.ZipUtils.java

public static byte[] zipDirectory(File directory) throws IOException {
    byte[] data;//  w w  w . jav  a  2 s  .  c o  m

    log.debug("zipDirectory: " + directory.getName());

    ByteArrayOutputStream baos = new ByteArrayOutputStream(BUFFER_SIZE);
    ZipOutputStream zos = new ZipOutputStream(baos);
    zipDirectory(directory, directory.getName(), zos);

    data = baos.toByteArray();
    baos.close();

    return data;
}

From source file:Main.java

public static byte[] readFileToByteArray2(File file) {
    try {/*from w  w w . j  av a2  s . c  om*/
        FileInputStream fis = new FileInputStream(file);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];

        for (int readNum; (readNum = fis.read(buf)) != -1;) {
            bos.write(buf, 0, readNum);
        }
        bos.flush();
        byte[] bytes = bos.toByteArray();
        fis.close();
        bos.close();
        return bytes;

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

From source file:com.reydentx.core.common.JSONUtils.java

private static String encodeToString(BufferedImage image, String type) {
    String imageString = null;//from   w w  w .  ja va  2  s . co m
    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;
}