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:Main.java

public static void main(String[] args) throws IOException {

    int[] buf = { 65, 66, 67, 68, 69, 70, 71 };

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);

    for (int i : buf) {
        dos.write(i);
    }//from ww  w  .j  av  a2 s .  c  om

    dos.flush();

    for (byte b : baos.toByteArray()) {
        char c = (char) b;
        System.out.print(c);
    }
}

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From source file:Main.java

public static void main(String[] args) throws IOException {

    byte[] buf = { 12, 11, 22, 33, 44 };

    FileOutputStream fos = new FileOutputStream("c:/test.txt");
    DataOutputStream dos = new DataOutputStream(fos);

    int size = 0;

    for (byte b : buf) {
        dos.write(b);
        size = dos.size();//from   w w w .j a  v  a  2 s.c  o m
        System.out.print("Size: " + size + "; ");
    }
}

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From source file:Main.java

public static void main(String args[]) throws Exception {
    String sessionCookie = null;/*from  w  w w  .ja  va 2  s.c om*/
    URL url = new java.net.URL("http://127.0.0.1/yourServlet");
    URLConnection con = url.openConnection();
    if (sessionCookie != null) {
        con.setRequestProperty("cookie", sessionCookie);
    }
    con.setUseCaches(false);
    con.setDoOutput(true);
    con.setDoInput(true);
    ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(byteOut);
    out.flush();
    byte buf[] = byteOut.toByteArray();
    con.setRequestProperty("Content-type", "application/octet-stream");
    con.setRequestProperty("Content-length", "" + buf.length);
    DataOutputStream dataOut = new DataOutputStream(con.getOutputStream());
    dataOut.write(buf);
    dataOut.flush();
    dataOut.close();
    DataInputStream in = new DataInputStream(con.getInputStream());
    int count = in.readInt();
    in.close();
    if (sessionCookie == null) {
        String cookie = con.getHeaderField("set-cookie");
        if (cookie != null) {
            sessionCookie = parseCookie(cookie);
            System.out.println("Setting session ID=" + sessionCookie);
        }
    }

    System.out.println(count);
}

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From source file:org.apache.oltu.oauth2.client.OAuthClientTest.java

public static void main(String[] args) throws OAuthSystemException, IOException {
    String callback = "http://localhost:8080/";
    String clientId = "131804060198305";
    String secret = "3acb294b071c9aec86d60ae3daf32a93";

    String host = "http://smoke-track.herokuapp.com";
    host = "http://localhost:3000";
    String authUri = host + "/oauth/authorize";
    String tokenUri = host + "/oauth/token";
    String appUri = host + "/habits";

    callback = "http://localhost:8080";

    clientId = "728ad798943fff1afd90e79765e9534ef52a5b166cfd25f055d1c8ff6f3ae7fd";
    secret = "3728e0449052b616e2465c04d3cbd792f2d37e70ca64075708bfe8b53c28d529";

    clientId = "e42ae40e269d9a546316f93e42edf52a18934c6a68de035f8b615343c4b81eb0";
    secret = "3b1a720c311321c29852dc4735517f6ece0c991d4be677539cb430c7ee4d1097";

    try {//  w w  w  . ja  va2  s  . co  m
        OAuthClientRequest request = OAuthClientRequest.authorizationLocation(authUri).setClientId(clientId)
                .setRedirectURI(callback).setResponseType("code").buildQueryMessage();

        //in web application you make redirection to uri:
        System.out.println("Visit: " + request.getLocationUri() + "\nand grant permission");

        System.out.print("Now enter the OAuth code you have received in redirect uri ");
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String code = br.readLine();

        request = OAuthClientRequest.tokenLocation(tokenUri).setGrantType(GrantType.AUTHORIZATION_CODE)
                .setClientId(clientId).setClientSecret(secret).setRedirectURI(callback).setCode(code)
                .buildBodyMessage();

        OAuthClient oAuthClient = new OAuthClient(new URLConnectionClient());

        OAuthJSONAccessTokenResponse oAuthResponse = oAuthClient.accessToken(request,
                OAuthJSONAccessTokenResponse.class);

        System.out.println("Access Token: " + oAuthResponse.getAccessToken() + ", Expires in: "
                + oAuthResponse.getExpiresIn());

        URL appURL = new URL(appUri);
        HttpURLConnection con = (HttpURLConnection) appURL.openConnection();
        con.setRequestMethod("POST");
        con.setRequestProperty("Content-Type", "application/json");
        con.setRequestProperty("Accept", "application/json");
        con.setRequestProperty("Accept-Encoding", "gzip, deflate");
        con.setRequestProperty("Authorization", "Bearer " + oAuthResponse.getAccessToken());

        JSONObject body = new JSONObject();
        body.put("color", "green");
        body.put("name", "Java Test");
        body.put("description", "Test Habit");

        byte[] bodyBytes = body.toString().getBytes();

        con.setRequestProperty("Content-Length", Integer.toString(bodyBytes.length));

        con.setInstanceFollowRedirects(false);
        con.setUseCaches(false);
        con.setDoInput(true);
        con.setDoOutput(true);

        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.write(bodyBytes);
        wr.flush();
        wr.close();

        //InputStream is = con.getInputStream();
        int status = con.getResponseCode();
        System.out.println("Status: " + status);
    } catch (OAuthProblemException e) {
        System.out.println("OAuth error: " + e.getError());
        System.out.println("OAuth error description: " + e.getDescription());
    } catch (JSONException e) {
        e.printStackTrace();
    }
}

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From source file:cn.jumper.study.http.ClientFormLogin.java

public static void main(String[] args) throws Exception {
    BasicCookieStore cookieStore = new BasicCookieStore();
    CloseableHttpClient httpclient = HttpClients.custom().setDefaultCookieStore(cookieStore).build();

    HttpHost proxy = new HttpHost("192.168.10.3", 8080, "http");

    RequestConfig config = RequestConfig.custom().setProxy(proxy).build();

    try {/* www.  jav a 2 s . co m*/
        HttpGet httpget = new HttpGet("http://www.ksf-food.com/admin/Login.asp");
        httpget.setConfig(config);
        CloseableHttpResponse response1 = httpclient.execute(httpget);
        try {
            HttpEntity entity = response1.getEntity();

            System.out.println("Login form get: " + response1.getStatusLine());
            EntityUtils.consume(entity);

            System.out.println("Initial set of cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response1.close();
        }

        String code = "";
        try {
            HttpUriRequest httpgetCode = RequestBuilder.get()
                    .setUri("http://www.ksf-food.com/admin/inc/checkcode.asp").setConfig(config).build();

            /*
             * HttpGet httpgetCode = new HttpGet(
             * "http://www.qufuev.com/admin/inc/checkcode.asp");
             * httpgetCode.setConfig(config);
             */

            System.out.println("Executing request " + httpgetCode.getRequestLine());
            System.out.println("========================================================");
            System.out.println("==httpget header ==");
            for (Header header : httpgetCode.getAllHeaders()) {
                System.out.println(header.getName() + ":" + header.getValue());
            }
            System.out.println("==httpget header ==");

            ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
                public String handleResponse(final HttpResponse response)
                        throws ClientProtocolException, IOException {
                    int status = response.getStatusLine().getStatusCode();
                    if (status >= 200 && status < 300) {
                        HttpEntity entity = response.getEntity();
                        System.out.println("==respons header ==");
                        for (Header header : response.getAllHeaders()) {
                            System.out.println(header.getName() + ":" + header.getValue());
                        }
                        System.out.println("==respons header ==");
                        String fileName = System.currentTimeMillis() + "";
                        DataOutputStream dataOutputStream = new DataOutputStream(
                                new FileOutputStream("d://test//e3//" + fileName + ".jpg"));
                        dataOutputStream.write(EntityUtils.toByteArray(entity));
                        dataOutputStream.close();
                        return ImageTest.getAllOcr("d://test//e3//" + fileName + ".jpg");
                    } else {
                        throw new ClientProtocolException("Unexpected response status: " + status);
                    }
                }

            };
            code = httpclient.execute(httpgetCode, responseHandler);
            System.out.println("ClientFormLogin.main()-CheckCode:" + code);
            System.out.println("----------------------------------------");
        } catch (IOException e) {
            e.printStackTrace();
        }

        HttpUriRequest login = RequestBuilder.post()
                .setUri(new URI("http://www.ksf-food.com/admin/Admin_ChkLogin.asp"))
                .addParameter("UserName", "username").addParameter("Password", "password")
                .addParameter("CheckCode", code).setConfig(config).build();

        System.out.println("========================================================");
        System.out.println("==httpget header ==");
        for (Header header : login.getAllHeaders()) {
            System.out.println(header.getName() + ":" + header.getValue());
        }

        CloseableHttpResponse response2 = httpclient.execute(login);
        try {
            HttpEntity entity = response2.getEntity();

            System.out.println("Login form post: " + response2.getStatusLine());
            // EntityUtils.consume(entity);
            System.out.println("ClientFormLogin.main():\\n" + EntityUtils.toString(entity, "GBK"));

            System.out.println("Post logon cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response2.close();
        }
    } finally {
        httpclient.close();
    }
}

---

From source file:com.tc.simple.apn.quicktests.Test.java

/**
 * @param args//from   w  w  w .  j  ava 2  s. com
 */

public static void main(String[] args) {
    SSLSocket socket = null;

    try {
        String host = "gateway.sandbox.push.apple.com";
        int port = 2195;

        String token = "de7f197546e41a76684f8e2d89f397ed165298d7772f4bd9b0f39c674b185b0f";
        System.out.println(token.toCharArray().length);

        //String token = "8cebc7c08f79fa62f0994eb4298387ff930857ff8d14a50de431559cf476b223";

        KeyStore keyStore = KeyStore.getInstance("PKCS12");

        keyStore.load(Test.class.getResourceAsStream("egram-dev-apn.p12"), "xxxxxxxxx".toCharArray());
        KeyManagerFactory keyMgrFactory = KeyManagerFactory
                .getInstance(KeyManagerFactory.getDefaultAlgorithm());
        keyMgrFactory.init(keyStore, "xxxxxxxxx".toCharArray());

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(keyMgrFactory.getKeyManagers(), null, null);
        SSLSocketFactory socketFactory = sslContext.getSocketFactory();

        socket = (SSLSocket) socketFactory.createSocket(host, port);
        String[] cipherSuites = socket.getSupportedCipherSuites();
        socket.setEnabledCipherSuites(cipherSuites);
        socket.startHandshake();

        char[] t = token.toCharArray();
        byte[] b = Hex.decodeHex(t);

        OutputStream outputstream = socket.getOutputStream();

        String payload = "{\"aps\":{\"alert\":\"yabadabadooo\"}}";

        int expiry = (int) ((System.currentTimeMillis() / 1000L) + 7200);

        ByteArrayOutputStream bout = new ByteArrayOutputStream();

        DataOutputStream dos = new DataOutputStream(bout);

        //command
        dos.writeByte(1);

        //id
        dos.writeInt(900);

        //expiry
        dos.writeInt(expiry);

        //token length.
        dos.writeShort(b.length);

        //token
        dos.write(b);

        //payload length
        dos.writeShort(payload.length());

        //payload.
        dos.write(payload.getBytes());

        byte[] byteMe = bout.toByteArray();

        socket.getOutputStream().write(byteMe);

        socket.setSoTimeout(900);
        InputStream in = socket.getInputStream();

        System.out.println(APNErrors.getError(in.read()));

        in.close();

        outputstream.close();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            socket.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}

---

From source file:Main.java

public static void writeShort(final DataOutputStream output, final short value) throws IOException {
    output.write(value >> 0);
    output.write(value >> 8);//from  w w w .ja  v a  2s  .co m
}

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From source file:Main.java

public static void writeInt(final DataOutputStream output, final int value) throws IOException {
    output.write(value >> 0);
    output.write(value >> 8);//www . j a v  a2s .  c om
    output.write(value >> 16);
    output.write(value >> 24);
}

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From source file:Main.java

public static void writeFile(File file, String string) throws IOException {
    file.getParentFile().mkdirs();//from w  w  w .j a  v  a  2  s .c  o m
    DataOutputStream dout = new DataOutputStream(new FileOutputStream(file));
    dout.write(string.getBytes());
    dout.close();
}

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From source file:Main.java

public static byte[] getBodyBytes(String ip, String port, String key)
        throws NumberFormatException, IOException {

    String[] ipArr = ip.split("\\.");
    byte[] ipByte = new byte[4];
    ipByte[0] = (byte) (Integer.parseInt(ipArr[0]) & 0xFF);
    ipByte[1] = (byte) (Integer.parseInt(ipArr[1]) & 0xFF);
    ipByte[2] = (byte) (Integer.parseInt(ipArr[2]) & 0xFF);
    ipByte[3] = (byte) (Integer.parseInt(ipArr[3]) & 0xFF);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    dos.write(ipByte);
    dos.writeShort(Short.parseShort(port));
    dos.writeByte(key.getBytes().length);
    dos.write(key.getBytes());//w w w . j a va 2s.  c  om
    byte[] bs = baos.toByteArray();
    baos.close();
    dos.close();

    return bs;
}

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