Example usage for java.io ByteArrayOutputStream write

Introduction

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

Prototype

public synchronized void write(byte b[], int off, int len)

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this ByteArrayOutputStream .

Usage

From source file:Main.java

public static byte[] fetchUrlToByte(String urlStr) {

    try {//from  www .java 2s .  co m
        URL url = new URL(urlStr);
        URLConnection urlConnection = url.openConnection();
        InputStream is = urlConnection.getInputStream();

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        byte[] buffer = new byte[1024];
        int len = 0;

        while ((len = is.read(buffer)) != -1) {
            baos.write(buffer, 0, len);
        }

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

From source file:Main.java

public static String uncompress(byte[] data) throws IOException, DataFormatException {

    Inflater inflater = new Inflater();
    inflater.setInput(data);//w w  w.  j a va 2 s .  co  m
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);

    byte[] buffer = new byte[1024];
    while (!inflater.finished()) {
        int count = inflater.inflate(buffer);
        outputStream.write(buffer, 0, count);
    }
    outputStream.close();
    byte[] output = outputStream.toByteArray();

    // Decode the bytes into a String
    return new String(output, 0, output.length, "UTF-8");
}

From source file:Main.java

public static String getStringFromResRaw(int iResId, Resources resources) {
    InputStream inputStream = resources.openRawResource(iResId);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

    int iLen = -1;
    byte[] buffer = new byte[512];
    try {/*from www  .ja  v  a  2s  .c  o m*/
        while (-1 != (iLen = inputStream.read(buffer)))
            outputStream.write(buffer, 0, iLen);
        inputStream.close();
        return new String(outputStream.toByteArray());
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }

}

From source file:Main.java

private static byte[] getByteArrayFromInputStream(InputStream is) throws IOException {
    // byte[] byteArray = null;
    ///*from w w w  .ja v a 2s  .  c o  m*/
    // byteArray = new byte[is.available()];
    // is.read(byteArray);
    // return byteArray;
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();

    int nRead;
    byte[] data = new byte[16384];

    while ((nRead = is.read(data, 0, data.length)) != -1) {
        buffer.write(data, 0, nRead);
    }

    buffer.flush();

    return buffer.toByteArray();
}

From source file:Main.java

public static byte[] decompress(byte[] data) throws IOException, DataFormatException {
    Inflater inflater = new Inflater();
    inflater.setInput(data);/*from  w  w w. j a v  a  2 s.c om*/
    inflater.finished();

    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);
    byte[] buffer = new byte[1024];
    while (!inflater.finished()) {
        int count = inflater.inflate(buffer);
        outputStream.write(buffer, 0, count);
    }
    outputStream.close();

    byte[] output = outputStream.toByteArray();
    inflater.end();
    return output;
}

From source file:Main.java

/**
 * DEFLATEs the specified input data./*from  w  w w . j a  v  a  2  s  .co  m*/
 * 
 * @param data the input data
 * @param dictionary the dictionary, or null if none
 * @return the compressed data
 */
public static byte[] deflate(byte[] data, byte[] dictionary) {
    Deflater deflater = new Deflater(8, true);
    if (dictionary != null) {
        deflater.setDictionary(dictionary);
    }
    deflater.setInput(data);
    deflater.finish();
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[256];
    while (!deflater.finished()) {
        int n = deflater.deflate(buffer);
        byteArrayOutputStream.write(buffer, 0, n);
    }
    byte[] result = byteArrayOutputStream.toByteArray();
    return result;
}

From source file:Main.java

public static byte[] decompress(byte[] data) throws IOException, DataFormatException {
    Inflater inflater = new Inflater();
    inflater.setInput(data);/*  www. j  av  a2 s  . c o m*/
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);
    byte[] buffer = new byte[1024];
    while (!inflater.finished()) {
        int count = inflater.inflate(buffer);
        outputStream.write(buffer, 0, count);
    }
    outputStream.close();
    byte[] output = outputStream.toByteArray();
    /*
    LOG.debug("Original: " + data.length);
    LOG.debug("Compressed: " + output.length);
     */
    return output;
}

From source file:Main.java

public static byte[] getBytes(InputStream inputStream) throws IOException {
    ByteArrayOutputStream byteBuffer = new ByteArrayOutputStream();
    int bufferSize = 1024;
    byte[] buffer = new byte[bufferSize];

    int len = 0;/*from   w  w w.  j a  v  a  2  s .  co m*/
    while ((len = inputStream.read(buffer)) != -1) {
        byteBuffer.write(buffer, 0, len);
    }
    return byteBuffer.toByteArray();
}

From source file:Main.java

public static byte[] loadImageDataFromWeb(String url) {

    byte[] imageData = null;
    try {/*from ww w.j ava  2s  . c  o  m*/

        URLConnection connection = new URL(url).openConnection();
        InputStream stream = connection.getInputStream();
        //BufferedInputStream in=new BufferedInputStream(stream);//default 8k buffer
        BufferedInputStream in = new BufferedInputStream(stream, 10240);//YG: 10k=10240, 2x8k=16384
        ByteArrayOutputStream out = new ByteArrayOutputStream(10240);
        int read;
        byte[] b = new byte[4096];

        while ((read = in.read(b)) != -1) {
            out.write(b, 0, read);
        }

        out.flush();
        out.close();

        imageData = out.toByteArray();

    } catch (Exception e) {

        Log.w(TAG, "Exc=" + e);
        return null;
    }

    return imageData;
}

From source file:Main.java

private static String readTextFile(InputStream inputStream) {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte buf[] = new byte[1024];
    int len;/*from   w  ww .j a v a2 s .  com*/
    try {
        while ((len = inputStream.read(buf)) != -1) {
            outputStream.write(buf, 0, len);
        }
        outputStream.close();
        inputStream.close();
    } catch (IOException e) {
        Log.i("IO error", e.getMessage());
        return "Sorry, help file not found.";
    }
    return outputStream.toString();
}