Example usage for java.io ByteArrayOutputStream ByteArrayOutputStream

Introduction

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

Prototype

public ByteArrayOutputStream(int size) 

Source Link

Document

Creates a new ByteArrayOutputStream , with a buffer capacity of the specified size, in bytes.

Usage

From source file:Main.java

public static byte[] compress(byte[] uncompressedBuffer) {
    Deflater deflater = new Deflater();
    deflater.setInput(uncompressedBuffer);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(uncompressedBuffer.length);

    try {//  w ww  . j a  v a 2  s. co m
        deflater.finish();
        byte[] buffer = new byte[1024];
        while (!deflater.finished()) {
            int count = deflater.deflate(buffer);
            outputStream.write(buffer, 0, count);
        }
        byte[] output = outputStream.toByteArray();
        return output;

    } finally {
        try {
            deflater.end();
            outputStream.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

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From source file:Main.java

@NonNull
public static byte[] bitmapToByteArray(@NonNull Bitmap bitmap) {
    ByteArrayOutputStream out = null;
    try {// ww  w  . j  a v  a2 s.com
        out = new ByteArrayOutputStream(bitmap.getWidth() * bitmap.getHeight());
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
        return out.toByteArray();
    } finally {
        if (out != null)
            try {
                out.close();
            } catch (Exception ignore) {
            }
    }
}

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From source file:Main.java

protected static ByteArrayOutputStream inflate(final FileInputStream pInputStream) throws IOException {
    final ByteArrayOutputStream uncompressed = new ByteArrayOutputStream(ONE_MB);
    final GZIPInputStream zin = new GZIPInputStream(pInputStream);

    int read;/*from  w  w  w  .  ja v a 2 s  .  c  om*/
    final byte[] buf = new byte[ONE_MB];
    while ((read = zin.read(buf)) != -1) {
        uncompressed.write(buf, 0, read);
    }

    return uncompressed;
}

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From source file:Main.java

public static String toXml(Object model) throws JAXBException, IOException {
    ByteArrayOutputStream output = new ByteArrayOutputStream(1024);
    marshal(model, output);/*from   w  ww .  ja v a  2  s.  c o m*/
    output.flush();
    return new String(output.toByteArray(), "UTF-8");
}

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From source file:Main.java

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

    Inflater decompresser = new Inflater();
    decompresser.reset();/*from  w w w . ja v  a  2s  .  co  m*/
    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;
}

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From source file:Main.java

public static final byte[] unCompress(byte[] buf) throws IOException {
    GZIPInputStream gzi = new GZIPInputStream(new ByteArrayInputStream(buf));
    ByteArrayOutputStream bos = new ByteArrayOutputStream(buf.length);

    int count;//from   w  w w .  j a va2s  .c  o m
    byte[] tmp = new byte[2048];
    while ((count = gzi.read(tmp)) != -1) {
        bos.write(tmp, 0, count);
    }

    // store uncompressed back to buffer      
    gzi.close();
    return bos.toByteArray();
}

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From source file:Main.java

public static byte[] compress(byte[] data) throws IOException {
    Deflater deflater = new Deflater();
    deflater.setInput(data);// w ww  .ja  v a2s.c o  m

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);

    deflater.finish();
    byte[] buffer = new byte[1024];
    while (!deflater.finished()) {
        int count = deflater.deflate(buffer); // returns the generated code... index  
        outputStream.write(buffer, 0, count);
    }
    outputStream.close();
    byte[] output = outputStream.toByteArray();

    System.out.println("Original: " + data.length / 1024 + " Kb");
    System.out.println("Compressed: " + output.length / 1024 + " Kb");
    return output;
}

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From source file:Main.java

public static ByteArrayInputStream toByteStream(InputStream istream) {
    ByteArrayInputStream byteistream = new ByteArrayInputStream(new byte[0]);
    try {//  ww  w.  j a va 2 s. co  m
        ByteArrayOutputStream byteostream = new ByteArrayOutputStream(8192);
        byte[] buffer = new byte[8192];
        int lenght;
        while ((lenght = istream.read(buffer)) != -1) {
            byteostream.write(buffer, 0, lenght);
        }
        byteistream = new ByteArrayInputStream(byteostream.toByteArray());
        byteostream.close();
    } catch (Exception e) {
    } finally {
        try {
            istream.close();
        } catch (Exception e) {
        }
    }
    return byteistream;
}

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