Example usage for java.io DataOutputStream write

Introduction

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

Prototype

public synchronized void write(int b) throws IOException 

Source Link

Document

Writes the specified byte (the low eight bits of the argument b) to the underlying output stream.

Usage

From source file:org.brickred.socialauth.util.HttpUtil.java

/**
 * Makes HTTP request using java.net.HTTPURLConnection
 * //from   ww  w. j av a 2  s .  co m
 * @param urlStr
 *            the URL String
 * @param requestMethod
 *            Method type
 * @param body
 *            Body to pass in request.
 * @param header
 *            Header parameters
 * @return Response Object
 * @throws SocialAuthException
 */
public static Response doHttpRequest(final String urlStr, final String requestMethod, final String body,
        final Map<String, String> header) throws SocialAuthException {
    HttpURLConnection conn;
    try {

        URL url = new URL(urlStr);
        if (proxyObj != null) {
            conn = (HttpURLConnection) url.openConnection(proxyObj);
        } else {
            conn = (HttpURLConnection) url.openConnection();
        }

        if (MethodType.POST.toString().equalsIgnoreCase(requestMethod)
                || MethodType.PUT.toString().equalsIgnoreCase(requestMethod)) {
            conn.setDoOutput(true);
        }

        conn.setDoInput(true);

        conn.setInstanceFollowRedirects(true);
        if (timeoutValue > 0) {
            LOG.debug("Setting connection timeout : " + timeoutValue);
            conn.setConnectTimeout(timeoutValue);
        }
        if (requestMethod != null) {
            conn.setRequestMethod(requestMethod);
        }
        if (header != null) {
            for (String key : header.keySet()) {
                conn.setRequestProperty(key, header.get(key));
            }
        }

        // If use POST or PUT must use this
        OutputStream os = null;
        if (body != null) {
            if (requestMethod != null && !MethodType.GET.toString().equals(requestMethod)
                    && !MethodType.DELETE.toString().equals(requestMethod)) {
                os = conn.getOutputStream();
                DataOutputStream out = new DataOutputStream(os);
                out.write(body.getBytes("UTF-8"));
                out.flush();
            }
        }
        conn.connect();
    } catch (Exception e) {
        throw new SocialAuthException(e);
    }
    return new Response(conn);

}

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From source file:HexUtil.java

/**
  * Write a (reasonably short) BigInteger to a stream.
  * @param integer the BigInteger to write
  * @param out the stream to write it to
  *//*from  w w  w  .  ja  va 2s . co m*/
public static void writeBigInteger(BigInteger integer, DataOutputStream out) throws IOException {
    if (integer.signum() == -1) {
        //dump("Negative BigInteger", Logger.ERROR, true);
        throw new IllegalStateException("Negative BigInteger!");
    }
    byte[] buf = integer.toByteArray();
    if (buf.length > Short.MAX_VALUE)
        throw new IllegalStateException("Too long: " + buf.length);
    out.writeShort((short) buf.length);
    out.write(buf);
}

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From source file:disko.DU.java

public static String request(String targetUrl, String method, String text, String contentType)
        throws Exception {
    URL url = new URL(targetUrl);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    if (method != null)
        conn.setRequestMethod(method);//from   w  w w  .j  a v a 2 s  .com

    if (contentType != null)
        conn.setRequestProperty("Content-Type", contentType);

    if (text != null) {
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.getOutputStream().write(text.getBytes());
        DataOutputStream out = new DataOutputStream(conn.getOutputStream());
        out.write(text.getBytes());
        out.flush();
        out.close();
    }

    if (conn.getResponseCode() != 200)
        throw new RuntimeException("HTTPClient failed: " + conn.getResponseCode());

    StringBuffer responseBuffer = new StringBuffer();
    BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    String line;
    String eol = new String(new byte[] { 13 });
    while ((line = in.readLine()) != null) {
        responseBuffer.append(line);
        responseBuffer.append(eol);
    }
    in.close();

    return responseBuffer.toString();
}

---

From source file:Main.java

public static String uploadFile(File file, String RequestURL) {
    String BOUNDARY = UUID.randomUUID().toString();
    String PREFIX = "--", LINE_END = "\r\n";
    String CONTENT_TYPE = "multipart/form-data";

    try {//from   ww w  .j av a2 s.c  o m
        URL url = new URL(RequestURL);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setReadTimeout(TIME_OUT);
        conn.setConnectTimeout(TIME_OUT);
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Charset", CHARSET);
        conn.setRequestProperty("connection", "keep-alive");
        conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);
        if (file != null) {

            OutputStream outputSteam = conn.getOutputStream();

            DataOutputStream dos = new DataOutputStream(outputSteam);
            StringBuffer sb = new StringBuffer();
            sb.append(PREFIX);
            sb.append(BOUNDARY);
            sb.append(LINE_END);

            sb.append("Content-Disposition: form-data; name=\"img\"; filename=\"" + file.getName() + "\""
                    + LINE_END);
            sb.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINE_END);
            sb.append(LINE_END);
            dos.write(sb.toString().getBytes());
            InputStream is = new FileInputStream(file);
            byte[] bytes = new byte[1024];
            int len = 0;
            while ((len = is.read(bytes)) != -1) {
                dos.write(bytes, 0, len);
            }
            is.close();
            dos.write(LINE_END.getBytes());
            byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes();
            dos.write(end_data);
            dos.flush();

            int res = conn.getResponseCode();
            Log.e(TAG, "response code:" + res);
            if (res == 200) {
                return SUCCESS;
            }
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return FAILURE;
}

---

From source file:org.apache.rocketmq.tools.command.message.QueryMsgByIdSubCommand.java

private static String createBodyFile(MessageExt msg) throws IOException {
    DataOutputStream dos = null;
    try {/*from www  .  ja  v  a  2s.c  o  m*/
        String bodyTmpFilePath = "/tmp/rocketmq/msgbodys";
        File file = new File(bodyTmpFilePath);
        if (!file.exists()) {
            file.mkdirs();
        }
        bodyTmpFilePath = bodyTmpFilePath + "/" + msg.getMsgId();
        dos = new DataOutputStream(new FileOutputStream(bodyTmpFilePath));
        dos.write(msg.getBody());
        return bodyTmpFilePath;
    } finally {
        if (dos != null)
            dos.close();
    }
}

---

From source file:org.alfresco.repo.web.scripts.tenant.TenantAdminSystemTest.java

private static String callInOutWeb(String urlString, String method, String ticket, String data,
        String contentType, String soapAction) throws MalformedURLException, URISyntaxException, IOException {
    URL url = new URL(urlString);

    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod(method);//from  w w  w  .java  2  s.  c  o m

    conn.setRequestProperty("Content-type", contentType);

    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setUseCaches(false);

    if (soapAction != null) {
        conn.setRequestProperty("SOAPAction", soapAction);
    }

    if (ticket != null) {
        // add Base64 encoded authorization header
        // refer to: http://wiki.alfresco.com/wiki/Web_Scripts_Framework#HTTP_Basic_Authentication
        conn.addRequestProperty("Authorization", "Basic " + Base64.encodeBytes(ticket.getBytes()));
    }

    String result = null;
    BufferedReader br = null;
    DataOutputStream wr = null;
    OutputStream os = null;
    InputStream is = null;

    try {
        os = conn.getOutputStream();
        wr = new DataOutputStream(os);
        wr.write(data.getBytes());
        wr.flush();
    } finally {
        if (wr != null) {
            wr.close();
        }
        ;
        if (os != null) {
            os.close();
        }
        ;
    }

    try {
        is = conn.getInputStream();
        br = new BufferedReader(new InputStreamReader(is));

        String line = null;
        StringBuffer sb = new StringBuffer();
        while (((line = br.readLine()) != null)) {
            sb.append(line);
        }

        result = sb.toString();
    } finally {
        if (br != null) {
            br.close();
        }
        ;
        if (is != null) {
            is.close();
        }
        ;
    }

    return result;
}

---

From source file:com.flozano.socialauth.util.HttpUtil.java

/**
 * Makes HTTP request using java.net.HTTPURLConnection and optional settings
 * for the connection//from w  w w  .ja  v  a  2 s. c  om
 *
 * @param urlStr
 *            the URL String
 * @param requestMethod
 *            Method type
 * @param body
 *            Body to pass in request.
 * @param header
 *            Header parameters
 * @param connectionSettings
 *            The connection settings to apply
 * @return Response Object
 * @throws SocialAuthException
 */
public static Response doHttpRequest(final String urlStr, final String requestMethod, final String body,
        final Map<String, String> header, Optional<ConnectionSettings> connectionSettings)
        throws SocialAuthException {
    HttpURLConnection conn;
    try {

        URL url = new URL(urlStr);
        if (proxyObj != null) {
            conn = (HttpURLConnection) url.openConnection(proxyObj);
        } else {
            conn = (HttpURLConnection) url.openConnection();
        }

        connectionSettings.ifPresent(settings -> settings.apply(conn));

        if (MethodType.POST.toString().equalsIgnoreCase(requestMethod)
                || MethodType.PUT.toString().equalsIgnoreCase(requestMethod)) {
            conn.setDoOutput(true);
        }

        conn.setDoInput(true);

        conn.setInstanceFollowRedirects(true);
        if (timeoutValue > 0) {
            LOG.debug("Setting connection timeout : " + timeoutValue);
            conn.setConnectTimeout(timeoutValue);
        }
        if (requestMethod != null) {
            conn.setRequestMethod(requestMethod);
        }
        if (header != null) {
            for (String key : header.keySet()) {
                conn.setRequestProperty(key, header.get(key));
            }
        }

        // If use POST or PUT must use this
        OutputStream os = null;
        if (body != null) {
            if (requestMethod != null && !MethodType.GET.toString().equals(requestMethod)
                    && !MethodType.DELETE.toString().equals(requestMethod)) {
                os = conn.getOutputStream();
                DataOutputStream out = new DataOutputStream(os);
                out.write(body.getBytes("UTF-8"));
                out.flush();
            }
        }
        conn.connect();
    } catch (Exception e) {
        throw new SocialAuthException(e);
    }
    return new Response(conn);

}

---

From source file:org.apache.hadoop.tools.TestDistCp.java

private static void touchFile(String path) throws Exception {
    FileSystem fs;//from   w w  w.  j  a  va 2s  .  c o m
    DataOutputStream outputStream = null;
    try {
        fs = cluster.getFileSystem();
        final Path qualifiedPath = new Path(path).makeQualified(fs.getUri(), fs.getWorkingDirectory());
        final long blockSize = fs.getDefaultBlockSize(new Path(path)) * 2;
        outputStream = fs.create(qualifiedPath, true, 0, (short) (fs.getDefaultReplication(new Path(path)) * 2),
                blockSize);
        outputStream.write(new byte[FILE_SIZE]);
        pathList.add(qualifiedPath);
    } finally {
        IOUtils.cleanup(null, outputStream);
    }
}

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From source file:com.dbay.apns4j.tools.ApnsTools.java

public final static byte[] generateData(List<FrameItem> list) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    DataOutputStream os = new DataOutputStream(bos);
    int frameLength = 0;
    for (FrameItem item : list) {
        // itemId length = 1, itemDataLength = 2
        frameLength += 1 + 2 + item.getItemLength();
    }/*w w w.jav a 2s  . c  om*/
    try {
        os.writeByte(Command.SEND_V2);
        os.writeInt(frameLength);
        for (FrameItem item : list) {
            os.writeByte(item.getItemId());
            os.writeShort(item.getItemLength());
            os.write(item.getItemData());
        }
        return bos.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    }
    throw new RuntimeException();
}

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From source file:com.alibaba.akita.io.HttpInvoker.java

/**
 * post with files using URLConnection Impl
 * @param actionUrl URL to post//from ww w  . j  a  v a2  s. c  om
 * @param params params to post
 * @param files files to post, support multi-files
 * @return response in String format
 * @throws IOException
 */
public static String postWithFilesUsingURLConnection(String actionUrl, ArrayList<NameValuePair> params,
        Map<String, File> files) throws AkInvokeException {
    try {
        String BOUNDARY = java.util.UUID.randomUUID().toString();
        String PREFIX = "--", LINEND = "\r\n";
        String MULTIPART_FROM_DATA = "multipart/form-data";
        String CHARSET = "UTF-8";

        URL uri = new URL(actionUrl);
        HttpURLConnection conn = (HttpURLConnection) uri.openConnection();

        conn.setReadTimeout(60 * 1000);
        conn.setDoInput(true); // permit input
        conn.setDoOutput(true); // permit output
        conn.setUseCaches(false);
        conn.setRequestMethod("POST"); // Post Method
        conn.setRequestProperty("connection", "keep-alive");
        conn.setRequestProperty("Charsert", "UTF-8");
        conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY);

        // firstly string params to add
        StringBuilder sb = new StringBuilder();
        for (NameValuePair nameValuePair : params) {
            sb.append(PREFIX);
            sb.append(BOUNDARY);
            sb.append(LINEND);
            sb.append("Content-Disposition: form-data; name=\"" + nameValuePair.getName() + "\"" + LINEND);
            sb.append("Content-Type: text/plain; charset=" + CHARSET + LINEND);
            sb.append("Content-Transfer-Encoding: 8bit" + LINEND);
            sb.append(LINEND);
            sb.append(nameValuePair.getValue());
            sb.append(LINEND);
        }

        DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
        outStream.write(sb.toString().getBytes());
        // send files secondly
        if (files != null) {
            int num = 0;
            for (Map.Entry<String, File> file : files.entrySet()) {
                num++;
                if (file.getKey() == null || file.getValue() == null)
                    continue;
                else {
                    if (!file.getValue().exists()) {
                        throw new AkInvokeException(AkInvokeException.CODE_FILE_NOT_FOUND,
                                "The file to upload is not found.");
                    }
                }
                StringBuilder sb1 = new StringBuilder();
                sb1.append(PREFIX);
                sb1.append(BOUNDARY);
                sb1.append(LINEND);
                sb1.append("Content-Disposition: form-data; name=\"file" + num + "\"; filename=\""
                        + file.getKey() + "\"" + LINEND);
                sb1.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND);
                sb1.append(LINEND);
                outStream.write(sb1.toString().getBytes());

                InputStream is = new FileInputStream(file.getValue());
                byte[] buffer = new byte[1024];
                int len = 0;
                while ((len = is.read(buffer)) != -1) {
                    outStream.write(buffer, 0, len);
                }

                is.close();
                outStream.write(LINEND.getBytes());
            }
        }

        // request end flag
        byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes();
        outStream.write(end_data);
        outStream.flush();
        // get response code
        int res = conn.getResponseCode();
        InputStream in = conn.getInputStream();
        StringBuilder sb2 = new StringBuilder();
        if (res == 200) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(in, "utf-8"), 8192);
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb2.append(line + "\n");
            }
            reader.close();
        }
        outStream.close();
        conn.disconnect();
        return sb2.toString();
    } catch (IOException ioe) {
        throw new AkInvokeException(AkInvokeException.CODE_IO_EXCEPTION, "IO Exception", ioe);
    }
}

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