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

static byte[] streamToBytes(InputStream paramInputStream) throws IOException {
    ByteArrayOutputStream localByteArrayOutputStream = new ByteArrayOutputStream();
    if (paramInputStream != null) {
        byte[] arrayOfByte = new byte[4096];
        while (true) {
            int i = paramInputStream.read(arrayOfByte);
            if (i == -1)
                break;
            localByteArrayOutputStream.write(arrayOfByte, 0, i);
        }//from w w  w. j av a  2  s  .  c o  m
    }
    return localByteArrayOutputStream.toByteArray();
}

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From source file:com.syncthemall.enml4j.util.Utils.java

/**
 * Encode an {@code InputStream} representing a file in base64.
 * //from  w  w w. j av  a  2 s. c o  m
 * @param is the source to encode
 * @return a {@code String} representation of the {@code InputStream} in parameter, encoded in base64
 * @throws IOException if an I/O error occurs reading the {@code InputStream} in parameter
 */
public static String encodeToBase64Binary(final InputStream is) throws IOException {
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    int nRead;
    byte[] data = new byte[BUFFER_SIZE];

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

    return Base64.encodeBase64String(buffer.toByteArray());

}

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From source file:Main.java

protected static ByteArrayOutputStream inflate(final ByteArrayOutputStream pOutCompressed) throws IOException {
    final ByteArrayOutputStream uncompressed = new ByteArrayOutputStream(ONE_MB);
    final GZIPInputStream zin = new GZIPInputStream(new ByteArrayInputStream(pOutCompressed.toByteArray()));

    int read;//from   w  ww.  ja  va  2s . co m
    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:com.goldmansachs.kata2go.tools.utils.TarGz.java

public static void decompressFromStream2(InputStream inputStream) throws IOException {
    GzipCompressorInputStream gzipStream = new GzipCompressorInputStream(inputStream);
    TarArchiveInputStream tarInput = new TarArchiveInputStream(gzipStream);
    TarArchiveEntry entry;/*from w ww.  j  a va2 s.  co m*/
    int bufferSize = 1024;
    while ((entry = (TarArchiveEntry) tarInput.getNextEntry()) != null) {
        String entryName = entry.getName();
        // strip out the leading directory like the --strip tar argument
        String entryNameWithoutLeadingDir = entryName.substring(entryName.indexOf("/") + 1);
        if (entryNameWithoutLeadingDir.isEmpty()) {
            continue;
        }
        if (entry.isDirectory()) {
            System.out.println("found dir " + entry.getName());
        } else {
            int count;
            byte data[] = new byte[bufferSize];
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            while ((count = tarInput.read(data, 0, bufferSize)) != -1) {
                baos.write(data, 0, count);
            }
            JarOutputStream jarOutputStream = new JarOutputStream(baos);
            System.out.println(new String(baos.toByteArray()));
        }
    }
    tarInput.close();
    gzipStream.close();
}

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From source file:app.nichepro.fragmenttab.account.AbstractGetNameTask.java

/**
 * Reads the response from the input stream and returns it as a string.
 *///from  w  w  w.j  av  a2 s.c om
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);
    }
    return new String(bos.toByteArray(), "UTF-8");
}

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From source file:Main.java

/**
 * Uncompresses a GZIP file.//from  w ww.j a  v a 2s .co  m
 * 
 * @param bytes
 *            The compressed bytes.
 * @return The uncompressed bytes.
 * @throws IOException
 *             if an I/O error occurs.
 */
public static byte[] gunzip(byte[] bytes) throws IOException {
    /* create the streams */
    InputStream is = new GZIPInputStream(new ByteArrayInputStream(bytes));
    try {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        try {
            /* copy data between the streams */
            byte[] buf = new byte[4096];
            int len = 0;
            while ((len = is.read(buf, 0, buf.length)) != -1) {
                os.write(buf, 0, len);
            }
        } finally {
            os.close();
        }

        /* return the uncompressed bytes */
        return os.toByteArray();
    } finally {
        is.close();
    }
}

---

From source file:com.baidu.api.client.core.DownloadUtil.java

/**
 * Download the file pointed by the url and return the content as byte array.
 *
 * @param strUrl         The Url to be downloaded.
 * @param connectTimeout Connect timeout in milliseconds.
 * @param readTimeout    Read timeout in milliseconds.
 * @param maxFileSize    Max file size in BYTE.
 * @return The file content as byte array.
 *//*from  www . ja va2s .  c o m*/
public static byte[] downloadFile(String strUrl, int connectTimeout, int readTimeout, int maxFileSize) {
    InputStream in = null;
    try {
        URL url = new URL(strUrl); // URL?
        URLConnection ucon = url.openConnection();
        ucon.setConnectTimeout(connectTimeout);
        ucon.setReadTimeout(readTimeout);
        ucon.connect();
        if (ucon.getContentLength() > maxFileSize) {
            String msg = "File " + strUrl + " size [" + ucon.getContentLength()
                    + "] too large, download stoped.";
            throw new ClientInternalException(msg);
        }
        if (ucon instanceof HttpURLConnection) {
            HttpURLConnection httpCon = (HttpURLConnection) ucon;
            if (httpCon.getResponseCode() > 399) {
                String msg = "Failed to download file " + strUrl + " server response "
                        + httpCon.getResponseMessage();
                throw new ClientInternalException(msg);
            }
        }
        in = ucon.getInputStream(); // ?
        byte[] byteBuf = new byte[BUFFER_SIZE];
        byte[] ret = null;
        int count, total = 0;
        // ??
        while ((count = in.read(byteBuf, total, BUFFER_SIZE - total)) > 0) {
            total += count;
            if (total + 124 >= BUFFER_SIZE)
                break;
        }
        if (total < BUFFER_SIZE - 124) {
            ret = ArrayUtils.subarray(byteBuf, 0, total);
        } else {
            ByteArrayOutputStream bos = new ByteArrayOutputStream(MATERIAL_SIZE);
            count = total;
            total = 0;
            do {
                bos.write(byteBuf, 0, count);
                total += count;
                if (total > maxFileSize) {
                    String msg = "File " + strUrl + " size exceed [" + maxFileSize + "] download stoped.";
                    throw new ClientInternalException(msg);
                }
            } while ((count = in.read(byteBuf)) > 0);
            ret = bos.toByteArray();
        }
        if (ret.length < MIN_SIZE) {
            String msg = "File " + strUrl + " size [" + maxFileSize + "] too small.";
            throw new ClientInternalException(msg);
        }
        return ret;
    } catch (IOException e) {
        String msg = "Failed to download file " + strUrl + " msg=" + e.getMessage();
        throw new ClientInternalException(msg);
    } finally {
        try {
            if (in != null)
                in.close();
        } catch (IOException e) {
            // ?
            System.out.println("Exception while close url - " + e.getMessage());
        }
    }
}

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From source file:com.att.ads.sample.SpeechAuth.java

/**
 * Reads the stream until EOF.  Returns all the bytes read.
 * @param input stream to read/*from   w  ww  . j a  v  a 2s  . c o  m*/
 * @param maxLength maximum number of bytes to read
 * @return all the bytes from the steam
 * @throws IOException 
 * @throws InputTooLargeException when length exceeds 
**/
private static byte[] readAllBytes(InputStream input) throws IOException {
    ByteArrayOutputStream buffer = new ByteArrayOutputStream(BLOCK_SIZE);
    byte[] block = new byte[BLOCK_SIZE];
    int n;
    while ((n = input.read(block)) > 0)
        buffer.write(block, 0, n);
    return buffer.toByteArray();
}

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From source file:Main.java

public final static String getStringFormRaw(Context context, int rawId) {
    ByteArrayOutputStream baos = null;
    InputStream in = context.getResources().openRawResource(rawId);
    try {/*from   w  w  w  . jav a  2 s  .co m*/
        baos = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int len = 0;
        while ((len = in.read(buffer)) != -1) {
            baos.write(buffer, 0, len);
        }
        baos.close();
        return baos.toString();
    } catch (Exception e) {
        e.printStackTrace();
        return "";
    } finally {
        if (baos != null) {
            try {
                baos.close();
                baos = null;
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

---

From source file:Main.java

public static byte[] decompress(byte[] data, int off, int len, int srcLen) {
    byte[] output = null;
    Inflater decompresser = new Inflater();
    decompresser.reset();//w w w  . ja  va 2  s  .c  om
    //      decompresser.setInput(data);
    decompresser.setInput(data, off, len);

    ByteArrayOutputStream o = new ByteArrayOutputStream(srcLen);
    try {
        o.reset();
        byte[] buf = new byte[1024];
        while (!decompresser.finished()) {
            int i = decompresser.inflate(buf);
            o.write(buf, 0, i);
        }
        output = o.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {
            o.close();
            decompresser.end();
        } catch (Exception e) {
        }
    }

    return output;
}

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