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:com.aerofs.baseline.http.HttpUtils.java

public static byte[] readStreamToBytes(InputStream in) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();

    try {/*from   w  w w  .ja v a  2 s .  com*/
        int bytesRead;
        byte[] chunk = new byte[1024];

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

        return out.toByteArray();
    } finally {
        try {
            out.close();
        } catch (IOException e) {
            // noop
        }
    }
}

From source file:ZipDemo.java

public static final String uncompress(final byte[] compressed) throws IOException {
    String uncompressed = "";

    try {/*  w  w  w.j a v  a  2  s  .co m*/
        ByteArrayInputStream bais = new ByteArrayInputStream(compressed);
        GZIPInputStream zis = new GZIPInputStream(bais);

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int numBytesRead = 0;
        byte[] tempBytes = new byte[DEFAULT_BUFFER_SIZE];
        while ((numBytesRead = zis.read(tempBytes, 0, tempBytes.length)) != -1) {
            baos.write(tempBytes, 0, numBytesRead);
        }

        uncompressed = new String(baos.toByteArray());
    } catch (ZipException e) {
        e.printStackTrace(System.err);
    }

    return uncompressed;
}

From source file:com.bigdata.rockstor.console.RockStorSender.java

private static HttpResp buildHttpResponse(HttpResponse response) {
    HttpResp resp = new HttpResp();
    resp.setStatus(response.getStatusLine().getStatusCode());
    Map<String, String> head = new HashMap<String, String>();
    for (Header header : response.getAllHeaders()) {
        head.put(header.getName(), header.getValue());
    }//from   w  w  w  .j  a  v  a 2s .  com
    resp.setHead(head);

    if ("chunked".equals(head.get("Transfer-Encoding"))
            || (head.containsKey("Content-Length") && !head.get("Content-Length").equals("0"))) {
        try {
            InputStream is = response.getEntity().getContent();
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            int len = 0;
            byte[] b = new byte[4096];
            while ((len = is.read(b)) > 0) {
                baos.write(b, 0, len);
            }
            baos.flush();
            resp.setBody(new String(baos.toByteArray()));
        } catch (IllegalStateException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (NullPointerException e) {
            // HEAD ?
        }
    }
    return resp;
}

From source file:Main.java

public static byte[] readInputStream(InputStream is) {
    ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
    final int blockSize = 8192;
    byte[] buffer = new byte[blockSize];
    int count = 0;
    try {//from ww w  .j  a v  a 2s  .c  o m
        while ((count = is.read(buffer, 0, blockSize)) > 0) {
            byteStream.write(buffer, 0, count);
        }
        return byteStream.toByteArray();
    } catch (Exception e) {
        return null;
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (Exception e) {
            }
        }
    }
}

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 w w.  ja  va 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: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  ww w .j  a v  a 2s .  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:UpdateMySqlClobServlet.java

public static String getClobsContentAsString(String urlAsString) throws Exception {
    InputStream content = null;/*w  w w .j av a2  s .  c  o  m*/
    try {
        java.net.URL url = new java.net.URL(urlAsString);
        java.net.URLConnection urlConn = url.openConnection();
        urlConn.connect();
        content = urlConn.getInputStream();

        int BUFFER_SIZE = 1024;
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        int length;
        byte[] buffer = new byte[BUFFER_SIZE];

        while ((length = content.read(buffer)) != -1) {
            output.write(buffer, 0, length);
        }
        return new String(output.toByteArray());

    } finally {
        content.close();
    }
}

From source file:com.micro.rent.common.comm.aio.AsyncClientHttpExchangeFutureCallback.java

public static String readInputStream(InputStream input) throws IOException {
    byte[] buffer = new byte[128];
    int len = 0;//ww  w. ja  v  a 2  s . co m
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    while ((len = input.read(buffer)) >= 0) {
        bytes.write(buffer, 0, len);
    }
    return bytes.toString();
}

From source file:Main.java

public static byte[] readStream(InputStream in) throws IOException {
    byte[] ret = null;
    if (in != null) {
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        byte[] buf = new byte[128];
        int len;/*from w  w  w .  j  a  v  a 2 s  .  co m*/
        while (true) {
            len = in.read(buf);
            if (len == -1) {
                break;
            }
            bout.write(buf, 0, len);
        }
        buf = null;
        ret = bout.toByteArray();
    }
    return ret;
}

From source file:Main.java

public static byte[] readFromFile(File file) throws IOException {
    FileInputStream fin = null;//from w  w  w  . j a  v  a  2s  .  c om
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        fin = new FileInputStream(file);
        byte[] buffer = new byte[8192];
        int read = 0;
        while ((read = fin.read(buffer)) != -1) {
            out.write(buffer, 0, read);
        }
        byte[] data = out.toByteArray();
        out.close();
        return data;
    } finally {
        if (fin != null) {
            try {
                fin.close();
            } catch (IOException e) {
            }
        }
    }
}