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:ch.rgw.compress.CompEx.java

public static byte[] CompressBZ2(InputStream in) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buf = new byte[8192];
    baos.write(buf, 0, 4); // Lnge des Originalstroms
    CBZip2OutputStream bzo = new CBZip2OutputStream(baos);
    int l;/*from   w w w.  ja  va2  s  .c om*/
    int total = 0;
    ;
    while ((l = in.read(buf, 0, buf.length)) != -1) {
        bzo.write(buf, 0, l);
        total += l;
    }
    bzo.close();
    byte[] ret = baos.toByteArray();
    // Die hchstwertigen 3 Bit als Typmarker setzen
    total &= 0x1fffffff;
    total |= BZIP2;
    BinConverter.intToByteArray(total, ret, 0);
    return ret;
}

From source file:com.example.gauth.GAuthTask.java

/**
 * Reads the response from the input stream and returns it as a string.
 *//*from ww w .ja v  a  2  s.co m*/
private static String readResponse(InputStream is) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    byte[] data = new byte[2048];
    int len;
    while ((len = is.read(data, 0, data.length)) >= 0) {
        bos.write(data, 0, len);
    }
    return new String(bos.toByteArray(), "UTF-8");
}

From source file:ch.rgw.compress.CompEx.java

public static byte[] CompressZIP(InputStream in) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buf = new byte[8192];
    baos.write(buf, 0, 4); // Lnge des Originalstroms
    ZipOutputStream zo = new ZipOutputStream(baos);
    zo.putNextEntry(new ZipEntry("Data"));
    int l;/* w w  w.ja  v  a2s . com*/
    long total = 0;
    ;
    while ((l = in.read(buf, 0, buf.length)) != -1) {
        zo.write(buf, 0, l);
        total += l;
    }
    zo.close();
    byte[] ret = baos.toByteArray();
    // Die hchstwertigen 3 Bit als Typmarker setzen
    total &= 0x1fffffff;
    total |= ZIP;
    BinConverter.intToByteArray((int) total, ret, 0);
    return ret;
}

From source file:Main.java

public static String loadImageFromUrl(Context context, String imageURL, File file) {
    try {/*from  www  . j  av a2  s  . co  m*/
        URL url = new URL(imageURL);
        HttpURLConnection con = (HttpURLConnection) url.openConnection();
        con.setConnectTimeout(5 * 1000);
        con.setDoInput(true);
        con.connect();
        if (con.getResponseCode() == 200) {
            InputStream inputStream = con.getInputStream();

            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024 * 20];
            int length = -1;
            while ((length = inputStream.read(buffer)) != -1) {
                byteArrayOutputStream.write(buffer, 0, length);
            }
            byteArrayOutputStream.close();
            inputStream.close();

            FileOutputStream outputStream = new FileOutputStream(file);
            outputStream.write(byteArrayOutputStream.toByteArray());
            outputStream.close();
            return file.getPath();
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

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

From source file:Main.java

public static byte[] zipDecompress(byte[] input) throws IOException {
    Inflater inflator = new Inflater();
    inflator.setInput(input);//from www  . j  a  v  a  2  s  . c o  m
    ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);
    byte[] buf = new byte[1024];
    try {
        while (true) {
            int count = inflator.inflate(buf);
            if (count > 0) {
                bos.write(buf, 0, count);
            } else if (count == 0 && inflator.finished()) {
                break;
            } else {
                throw new RuntimeException("bad zip data, size:" + input.length);
            }
        }
    } catch (DataFormatException t) {
        throw new RuntimeException(t);
    } finally {
        inflator.end();
    }
    return bos.toByteArray();
}

From source file:Main.java

public static String readAssets(Context context, String fileName) {
    InputStream is = null;/*from w ww . j  a  v a 2  s.  c o  m*/
    String content = null;
    try {
        is = context.getAssets().open(fileName);
        if (is != null) {

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

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

From source file:com.hdezninirola.auth.AbstractGetNameTask.java

/**
 * Reads the response from the input stream and returns it as a string.
 *//*w  w w . j a v  a 2 s.  c  o m*/
private static String readResponse(InputStream is) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    byte[] data = new byte[2048];
    int len = 0;
    while ((len = is.read(data, 0, data.length)) >= 0) {
        bos.write(data, 0, len);
    }
    System.out.println(new String(bos.toByteArray(), "UTF-8"));
    return new String(bos.toByteArray(), "UTF-8");
}

From source file:Main.java

public static byte[] compress(byte[] data) {
    Deflater deflater = new Deflater();
    deflater.setInput(data);/*from w  w w .j a  v  a  2s .c  o m*/
    try {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream(data.length);

        deflater.finish();
        byte[] buffer = new byte[1024];
        while (!deflater.finished()) {
            int count = deflater.deflate(buffer);
            outputStream.write(buffer, 0, count);
        }
        outputStream.close();
        return outputStream.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        deflater.end();
    }

}

From source file:fedora.utilities.Base64.java

/**
 * Encodes an input stream to base64, returning bytes.
 * <p>//ww  w. j  a v a 2  s.co  m
 * The stream is guaranteed to be closed when this method returns, whether
 * successful or not.
 *
 * @param in stream to encode
 * @param encoded bytes, or null if there's an error reading the stream
 */
public static byte[] encode(InputStream in) {
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        byte[] buf = new byte[4096];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        return encode(out.toByteArray());
    } catch (IOException e) {
        return null;
    } finally {
        try {
            in.close();
        } catch (IOException e) {
            throw new FaultException(e);
        }
    }
}