Example usage for java.io DataOutputStream close

List of usage examples for java.io DataOutputStream close

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Introduction

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

Prototype

@Override
public void close() throws IOException

Source Link

Document

Closes this output stream and releases any system resources associated with the stream.

Usage

From source file:com.vinexs.tool.NetworkManager.java

public static void haveInternet(Context context, final OnInternetResponseListener listener) {
    if (!haveNetwork(context)) {
        listener.onResponsed(false);//from   w  w  w  . j  a  v  a2 s . c o m
        return;
    }
    Log.d("Network", "Check internet is reachable ...");
    new AsyncTask<Void, Integer, Boolean>() {
        @Override
        protected Boolean doInBackground(Void... params) {
            try {
                InetAddress ipAddr = InetAddress.getByName("google.com");
                if (ipAddr.toString().equals("")) {
                    throw new Exception("Cannot resolve host name, no internet behind network.");
                }
                HttpURLConnection conn = (HttpURLConnection) new URL("http://google.com/").openConnection();
                conn.setInstanceFollowRedirects(false);
                conn.setConnectTimeout(3500);
                conn.setDoInput(true);
                conn.setDoOutput(true);
                conn.setRequestMethod("POST");
                DataOutputStream postOutputStream = new DataOutputStream(conn.getOutputStream());
                postOutputStream.write('\n');
                postOutputStream.close();
                conn.disconnect();
                Log.d("Network", "Internet is reachable.");
                return true;
            } catch (Exception e) {
                e.printStackTrace();
            }
            Log.d("Network", "Internet is unreachable.");
            return false;
        }

        @Override
        protected void onPostExecute(Boolean result) {
            listener.onResponsed(result);
        }
    }.execute();
}

From source file:com.android.volley.toolbox.HurlStack.java

private static void addBodyIfExists(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    byte[] body = request.getBody();
    if (body != null) {
        connection.setDoOutput(true);/*from   w  w  w  .ja  v a2 s  .  co  m*/
        connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getBodyContentType());
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(body);
        out.close();
    }
}

From source file:com.ant.myteam.gcm.POST2GCM.java

public static void post(String apiKey, Content content) {

    try {/*  ww w . j av a2  s.  c  o m*/

        // 1. URL
        URL url = new URL("https://android.googleapis.com/gcm/send");

        // 2. Open connection
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        // 3. Specify POST method
        conn.setRequestMethod("POST");

        // 4. Set the headers
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestProperty("Authorization", "key=" + apiKey);

        conn.setDoOutput(true);

        // 5. Add JSON data into POST request body

        //`5.1 Use Jackson object mapper to convert Contnet object into JSON
        ObjectMapper mapper = new ObjectMapper();

        // 5.2 Get connection output stream
        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());

        // 5.3 Copy Content "JSON" into
        mapper.writeValue(wr, content);

        // 5.4 Send the request
        wr.flush();

        // 5.5 close
        wr.close();

        // 6. Get the response
        int responseCode = conn.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + url);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        // 7. Print result
        System.out.println(response.toString());

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

From source file:com.ab.network.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length explicitly,
            // since this is handled by HttpURLConnection using the size of the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);/*from w  w w.  java 2 s .c  om*/
            out.close();
        }
        break;
    case Method.GET:
        // Not necessary to set the request method because connection defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Method.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

From source file:pushandroid.POST2GCM.java

public static void post(Content content) {

    try {//from ww  w  . j av a2 s  .com

        // 1. URL
        URL url = new URL(URL);

        // 2. Open connection
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        // 3. Specify POST method
        conn.setRequestMethod("POST");

        // 4. Set the headers
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestProperty("Authorization", "key=" + apiKey);

        conn.setDoOutput(true);

        // 5. Add JSON data into POST request body
        //`5.1 Use Jackson object mapper to convert Contnet object into JSON
        ObjectMapper mapper = new ObjectMapper();

        // 5.2 Get connection output stream
        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());

        // 5.3 Copy Content "JSON" into
        mapper.writeValue(wr, content);

        // 5.4 Send the request
        wr.flush();

        // 5.5 close
        wr.close();

        // 6. Get the response
        int responseCode = conn.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + url);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String inputLine;
        StringBuilder response = new StringBuilder();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        // 7. Print result
        System.out.println(response.toString());

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

From source file:com.hackerati.android.user_sdk.volley.HHurlStack.java

private static void addBodyIfExists(final HttpURLConnection connection, final Request<?> request)
        throws IOException, AuthFailureError {
    final byte[] body = request.getBody();
    if (body != null) {
        connection.setDoOutput(true);//w w w  . j  a  v  a  2s .  c o  m
        connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getBodyContentType());
        final DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(body);
        out.close();
    }
}

From source file:com.volley.android.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case Request.Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length explicitly,
            // since this is handled by HttpURLConnection using the size of the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);/*from  w w  w  .java 2 s . co  m*/
            out.close();
        }
        break;
    case Request.Method.GET:
        // Not necessary to set the request method because connection defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Request.Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Request.Method.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Request.Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

From source file:com.wudoumi.batter.volley.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case RequestType.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length explicitly,
            // since this is handled by HttpURLConnection using the size of the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);//from  w  w  w . j  a  v  a 2  s. c o  m
            out.close();
        }
        break;
    case RequestType.GET:
        // Not necessary to set the request method because connection defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case RequestType.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case RequestType.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case RequestType.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

From source file:Main.IrcBot.java

public static void postRequest(String pasteCode, PrintWriter out) {
    try {//from  www.j  a  v  a 2 s .  c  o  m
        String url = "http://pastebin.com/raw.php?i=" + pasteCode;
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        //add reuqest header
        con.setRequestMethod("POST");
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

        String urlParameters = "";

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + url);
        System.out.println("Post parameters : " + urlParameters);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine + "\n");
        }
        in.close();

        //print result
        System.out.println(response.toString());

        if (response.length() > 0) {
            IrcBot.postGit(response.toString(), out);
        } else {
            out.println("PRIVMSG #learnprogramming :The PasteBin URL is not valid.");
        }
    } catch (Exception p) {

    }
}

From source file:Downloader.java

/**
 * Creates an URL connection for the specified URL and data.
 * /*ww  w.  ja v  a2s  .c  o m*/
 * @param url The URL to connect to
 * @param postData The POST data to pass to the URL
 * @return An URLConnection for the specified URL/data
 * @throws java.net.MalformedURLException If the specified URL is malformed
 * @throws java.io.IOException If an I/O exception occurs while connecting
 */
private static URLConnection getConnection(final String url, final String postData)
        throws MalformedURLException, IOException {
    final URL myUrl = new URL(url);
    final URLConnection urlConn = myUrl.openConnection();

    urlConn.setUseCaches(false);
    urlConn.setDoInput(true);
    urlConn.setDoOutput(postData.length() > 0);
    urlConn.setConnectTimeout(10000);

    if (postData.length() > 0) {
        urlConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        final DataOutputStream out = new DataOutputStream(urlConn.getOutputStream());
        out.writeBytes(postData);
        out.flush();
        out.close();
    }

    return urlConn;
}