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 void server2mobile(Context context, String type) {

    String serverPath = "http://shaunrain.zicp.net/FileUp/QueryServlet?type=" + type;
    try {//from  w ww .j a v  a 2s.  co  m
        URL url = new URL(serverPath);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(10000);
        conn.setRequestMethod("GET");

        int code = conn.getResponseCode();
        Log.d("code", code + "");
        if (code == 200) {
            InputStream is = conn.getInputStream();

            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            int len = 0;
            byte[] buffer = new byte[1024];

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

            String result = new String(baos.toByteArray());
            String[] results = result.split("[$]");
            for (String r : results) {
                if (r.length() != 0) {
                    URL json = new URL(r);
                    HttpURLConnection con = (HttpURLConnection) json.openConnection();
                    con.setConnectTimeout(5000);
                    con.setRequestMethod("GET");
                    int co = con.getResponseCode();
                    if (co == 200) {
                        File jsonFile;
                        if (r.endsWith("clear.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/clear.json");
                        } else if (r.endsWith("crowd.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/crowd.json");
                        } else if (r.endsWith("trouble.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/trouble.json");
                        } else {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/control.json");
                        }

                        if (jsonFile.exists())
                            jsonFile.delete();
                        jsonFile.createNewFile();
                        try (BufferedReader reader = new BufferedReader(
                                new InputStreamReader(con.getInputStream(), "gb2312"));
                                BufferedWriter writer = new BufferedWriter(new FileWriter(jsonFile));) {
                            String line = null;
                            while ((line = reader.readLine()) != null) {
                                writer.write(line);
                            }
                        }

                    }
                    con.disconnect();
                }
            }

        }

    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

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From source file:com.lingeringsocket.mobflare.RpcCoordinator.java

private static String readInputStream(InputStream is) throws IOException {
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();

    int nRead;//w  w w.  j a  va2s . c om
    byte[] data = new byte[16384];

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

---

From source file:ch.epfl.leb.sass.commandline.CommandLineInterface.java

/**
 * Reads the welcome_text file and prints it to a PrintStream.
 * @param out stream to print to/*from  w w w. j a  va  2 s . c  o m*/
 */
public static void printWelcomeText(PrintStream out) {
    try {
        InputStream inputStream = urlToWelcomeText;
        ByteArrayOutputStream result = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int length;
        while ((length = inputStream.read(buffer)) != -1) {
            result.write(buffer, 0, length);
        }
        String message = result.toString("UTF-8");
        out.print(message + "\n");
    } catch (IOException ex) {
        Logger.getLogger(CommandLineInterface.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:com.company.project.core.connector.HttpClientHelper.java

public static byte[] getByteaArrayFromConn(HttpURLConnection conn, boolean isSuccess) throws IOException {

    InputStream is = conn.getInputStream();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buff = new byte[1024];
    int bytesRead = 0;

    while ((bytesRead = is.read(buff, 0, buff.length)) != -1) {
        baos.write(buff, 0, bytesRead);
    }/*w ww.  j  a v  a  2  s.  c  o m*/

    byte[] bytes = baos.toByteArray();
    baos.close();
    return bytes;
}

---

From source file:com.ttl.googleplus.AbstractGetNameTask.java

/**
 * Reads the response from the input stream and returns it as a string.
 *//*from   w w  w  . j  a 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 = 0;
    while ((len = is.read(data, 0, data.length)) >= 0) {
        bos.write(data, 0, len);
    }

    Log.d("User Profile Data", new String(bos.toByteArray(), "UTF-8"));

    return new String(bos.toByteArray(), "UTF-8");
}

---

From source file:com.criticalsoftware.mobics.presentation.util.GeolocationUtil.java

private static byte[] readResponse(HttpMethod method) throws IOException {
    InputStream is = method.getResponseBodyAsStream();
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    int nRead;/* w w  w  .ja  v a  2 s  .c o  m*/
    byte[] data = new byte[16384];
    while ((nRead = is.read(data, 0, data.length)) != -1) {
        buffer.write(data, 0, nRead);
    }

    buffer.flush();
    byte[] responseBody = buffer.toByteArray();
    return responseBody;
}

---

From source file:de.intevation.irix.PrintClient.java

/** Obtains a Report from mapfish-print service.
 *
 * @param printUrl The url to send the request to.
 * @param json The json spec for the print request.
 * @param timeout the timeout for the httpconnection.
 *
 * @return byte[] with the report./* w ww .ja  v  a  2s. c  o  m*/
 *
 * @throws IOException if communication with print service failed.
 * @throws PrintException if the print job failed.
 */
public static byte[] getReport(String printUrl, String json, int timeout) throws IOException, PrintException {

    RequestConfig config = RequestConfig.custom().setConnectTimeout(timeout).build();

    CloseableHttpClient client = HttpClients.custom().setDefaultRequestConfig(config).build();

    HttpEntity entity = new StringEntity(json,
            ContentType.create("application/json", Charset.forName("UTF-8")));

    HttpPost post = new HttpPost(printUrl);
    post.setEntity(entity);
    CloseableHttpResponse resp = client.execute(post);

    StatusLine status = resp.getStatusLine();

    byte[] retval = null;
    try {
        HttpEntity respEnt = resp.getEntity();
        InputStream in = respEnt.getContent();
        if (in != null) {
            try {
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                byte[] buf = new byte[BYTE_ARRAY_SIZE];
                int r;
                while ((r = in.read(buf)) >= 0) {
                    out.write(buf, 0, r);
                }
                retval = out.toByteArray();
            } finally {
                in.close();
                EntityUtils.consume(respEnt);
            }
        }
    } finally {
        resp.close();
    }

    if (status.getStatusCode() < HttpURLConnection.HTTP_OK
            || status.getStatusCode() >= HttpURLConnection.HTTP_MULT_CHOICE) {
        if (retval != null) {
            throw new PrintException(new String(retval));
        } else {
            throw new PrintException("Communication with print service '" + printUrl + "' failed."
                    + "\nNo response from print service.");
        }
    }
    return retval;
}

---

From source file:com.iwgame.iwcloud.baidu.task.util.DownloadUtil.java

/**
 * url//from w  w w .j a  v a  2 s.  co m
 * @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.
 */
public static byte[] downloadFile(String strUrl, int connectTimeout, int readTimeout, int maxFileSize)
        throws IOException {
    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.";
            logger.error(msg);
            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();
                logger.error(msg);
                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.";
                    logger.error(msg);
                    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.";
            logger.error(msg);
            throw new ClientInternalException(msg);
        }
        return ret;
    } catch (IOException e) {
        String msg = "Failed to download file " + strUrl + " msg=" + e.getMessage();
        logger.error(msg);
        throw e;
    } finally {
        try {
            if (in != null) {
                in.close();
            }
        } catch (IOException e) {
            logger.error("Exception while close url - ", e);
            throw e;
        }
    }
}

---

From source file:Main.java

public static byte[] decompressGzip(byte[] compressed) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
    GZIPInputStream gis = new GZIPInputStream(bis);
    try {//from   w  w w.  j av a  2 s .  co m
        byte[] buffer = new byte[READ_BUFFER_SIZE];
        int read = 0;
        while ((read = gis.read(buffer)) != -1) {
            bos.write(buffer, 0, read);
        }
    } finally {
        gis.close();
    }

    return bos.toByteArray();
}

---

From source file:software.uncharted.util.HTTPUtil.java

public static String post(String urlToRead, String postData) {
    URL url;//from w  w w . ja v  a 2 s .  c  o  m
    HttpURLConnection conn;
    try {
        url = new URL(urlToRead);
        conn = (HttpURLConnection) url.openConnection();

        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.setRequestProperty("Content-Type", "application/json");

        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
        wr.writeBytes(postData);
        wr.flush();
        wr.close();

        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        int nRead;
        byte[] data = new byte[16384];
        InputStream is = conn.getInputStream();
        while ((nRead = is.read(data, 0, data.length)) != -1) {
            buffer.write(data, 0, nRead);
        }
        buffer.flush();
        return buffer.toString();
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Failed to read URL: " + urlToRead + " <" + e.getMessage() + ">");
    }
    return null;
}

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