Example usage for java.net URL openConnection

List of usage examples for java.net URL openConnection

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Introduction

In this page you can find the example usage for java.net URL openConnection.

Prototype

public URLConnection openConnection() throws java.io.IOException

Source Link

Document

Returns a java.net.URLConnection URLConnection instance that represents a connection to the remote object referred to by the URL .

Usage

From source file:Fetch5.java

  public static void main(String args[]) throws Exception {
  String urlString = "java.sun.com";
  CookieHandler.setDefault(new ListCookieHandler());
  URL url = new URL(urlString);
  URLConnection connection = url.openConnection();
  Object obj = connection.getContent();
  url = new URL(urlString);
  connection = url.openConnection();//from  w  ww  .  ja  v  a 2s .  c om
  obj = connection.getContent();
}

From source file:com.cloudbees.tftwoway.Client.java

public static void main(String[] args) throws Exception {
    URL url = new URL(SERVER_ADDRESS);
    HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();

    SSLContext sslContext = createSSLContext();
    connection.setSSLSocketFactory(sslContext.getSocketFactory());

    connection.connect();/*  w w  w.  jav  a  2  s .  c  o  m*/

    int responseCode = connection.getResponseCode();
    String response = IOUtils.toString(connection.getInputStream(), connection.getContentEncoding());
    System.out.println(responseCode);
    System.out.println(response);
}

From source file:org.javaee7.ejb.stateless.remote.AccountSessionBeanWithInterface.java

public static void main(String[] args) {
    try {//from ww w. j  av a  2  s . com
        ObjectMapper mapper = new ObjectMapper();
        URL url = new URL("http://localhost:8180/account-1.0-SNAPSHOT/statistics");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setRequestProperty("Accept", "application/json");

        if (conn.getResponseCode() != 200) {
            throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
        }

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        String output;
        String result = null;
        while ((output = br.readLine()) != null) {
            result = result + output;
        }
        conn.disconnect();

    } catch (MalformedURLException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    }
}

From source file:com.yahoo.athenz.example.ntoken.HttpExampleClient.java

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

    // parse our command line to retrieve required input

    CommandLine cmd = parseCommandLine(args);

    String domainName = cmd.getOptionValue("domain");
    String serviceName = cmd.getOptionValue("service");
    String privateKeyPath = cmd.getOptionValue("pkey");
    String keyId = cmd.getOptionValue("keyid");
    String url = cmd.getOptionValue("url");

    // we need to generate our principal credentials (ntoken). In
    // addition to the domain and service names, we need the
    // the service's private key and the key identifier - the
    // service with the corresponding public key must already be
    // registered in ZMS

    PrivateKey privateKey = Crypto.loadPrivateKey(new File(privateKeyPath));
    ServiceIdentityProvider identityProvider = new SimpleServiceIdentityProvider(domainName, serviceName,
            privateKey, keyId);//from   ww  w  . j  a va 2  s.  c  o  m
    Principal principal = identityProvider.getIdentity(domainName, serviceName);

    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    // set our Athenz credentials. The authority in the principal provides
    // the header name that we must use for credentials while the principal
    // itself provides the credentials (ntoken).

    con.setRequestProperty(principal.getAuthority().getHeader(), principal.getCredentials());

    // now process our request

    int responseCode = con.getResponseCode();
    switch (responseCode) {
    case HttpURLConnection.HTTP_FORBIDDEN:
        System.out.println("Request was forbidden - not authorized: " + con.getResponseMessage());
        break;
    case HttpURLConnection.HTTP_OK:
        System.out.println("Successful response: ");
        try (BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()))) {
            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                System.out.println(inputLine);
            }
        }
        break;
    default:
        System.out.println("Request failed - response status code: " + responseCode);
    }
}

From source file:com.yannick.GcmSender.java

public static void main(String[] args) {
    if (args.length < 1 || args.length > 2 || args[0] == null) {
        System.err.println("usage: ./gradlew run -Pargs=\"MESSAGE[,DEVICE_TOKEN]\"");
        System.err.println("");
        System.err.println(//  w  ww .  j  a v  a2s .  c o m
                "Specify a test message to broadcast via GCM. If a device's GCM registration token is\n"
                        + "specified, the message will only be sent to that device. Otherwise, the message \n"
                        + "will be sent to all devices subscribed to the \"global\" topic.");
        System.err.println("");
        System.err.println(
                "Example (Broadcast):\n" + "On Windows:   .\\gradlew.bat run -Pargs=\"<Your_Message>\"\n"
                        + "On Linux/Mac: ./gradlew run -Pargs=\"<Your_Message>\"");
        System.err.println("");
        System.err.println("Example (Unicast):\n"
                + "On Windows:   .\\gradlew.bat run -Pargs=\"<Your_Message>,<Your_Token>\"\n"
                + "On Linux/Mac: ./gradlew run -Pargs=\"<Your_Message>,<Your_Token>\"");
        System.exit(1);
    }
    try {
        // Prepare JSON containing the GCM message content. What to send and where to send.
        JSONObject jGcmData = new JSONObject();
        JSONObject jData = new JSONObject();
        jData.put("message", args[0].trim());
        // Where to send GCM message.
        if (args.length > 1 && args[1] != null) {
            jGcmData.put("to", args[1].trim());
        } else {
            jGcmData.put("to", "/topics/global");
        }
        // What to send in GCM message.
        jGcmData.put("data", jData);

        // Create connection to send GCM Message request.
        URL url = new URL("https://android.googleapis.com/gcm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", "key=" + API_KEY);
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);

        // Send GCM message content.
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());

        // Read GCM response.
        InputStream inputStream = conn.getInputStream();
        String resp = IOUtils.toString(inputStream);
        System.out.println(resp);
        System.out.println("Check your device/emulator for notification or logcat for "
                + "confirmation of the receipt of the GCM message.");
    } catch (IOException e) {
        System.out.println("Unable to send GCM message.");
        System.out.println("Please ensure that API_KEY has been replaced by the server "
                + "API key, and that the device's registration token is correct (if specified).");
        e.printStackTrace();
    }
}

From source file:lc.buyplus.gcmsender.GcmSender.java

public static void main(String[] args) throws JSONException {
    if (args.length < 1 || args.length > 2 || args[0] == null) {
        System.err.println("usage: ./gradlew run -Pmsg=\"MESSAGE\" [-Pto=\"DEVICE_TOKEN\"]");
        System.err.println("");
        System.err.println(//  ww  w .  ja  va  2s  . com
                "Specify a test message to broadcast via GCM. If a device's GCM registration token is\n"
                        + "specified, the message will only be sent to that device. Otherwise, the message \n"
                        + "will be sent to all devices subscribed to the \"global\" topic.");
        System.err.println("");
        System.err.println(
                "Example (Broadcast):\n" + "On Windows:   .\\gradlew.bat run -Pmsg=\"<Your_Message>\"\n"
                        + "On Linux/Mac: ./gradlew run -Pmsg=\"<Your_Message>\"");
        System.err.println("");
        System.err.println("Example (Unicast):\n"
                + "On Windows:   .\\gradlew.bat run -Pmsg=\"<Your_Message>\" -Pto=\"<Your_Token>\"\n"
                + "On Linux/Mac: ./gradlew run -Pmsg=\"<Your_Message>\" -Pto=\"<Your_Token>\"");
        System.exit(1);
    }
    try {
        // Prepare JSON containing the GCM message content. What to send and where to send.
        JSONObject jGcmData = new JSONObject();
        JSONObject jData = new JSONObject();
        jData.put("message", args[0].trim());
        // Where to send GCM message.
        if (args.length > 1 && args[1] != null) {
            jGcmData.put("to", args[1].trim());
        } else {
            jGcmData.put("to", "/topics/global");
        }
        // What to send in GCM message.
        jGcmData.put("data", jData);

        // Create connection to send GCM Message request.
        URL url = new URL("https://android.googleapis.com/gcm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", "key=" + API_KEY);
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);

        // Send GCM message content.
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());

        // Read GCM response.
        InputStream inputStream = conn.getInputStream();
        String resp = IOUtils.toString(inputStream);
        System.out.println(resp);
        System.out.println("Check your device/emulator for notification or logcat for "
                + "confirmation of the receipt of the GCM message.");
    } catch (IOException e) {
        System.out.println("Unable to send GCM message.");
        System.out.println("Please ensure that API_KEY has been replaced by the server "
                + "API key, and that the device's registration token is correct (if specified).");
        e.printStackTrace();
    }
}

From source file:com.pinch.console.GcmSender.java

public static void main(String[] args) {
    //        if (args.length < 1 || args.length > 2 || args[0] == null) {
    //            System.err.println("usage: ./gradlew run -Pmsg=\"MESSAGE\" [-Pto=\"DEVICE_TOKEN\"]");
    //            System.err.println("");
    //            System.err.println("Specify a test message to broadcast via GCM. If a device's GCM registration token is\n" +
    //                    "specified, the message will only be sent to that device. Otherwise, the message \n" +
    //                    "will be sent to all devices subscribed to the \"global\" topic.");
    //            System.err.println("");
    //            System.err.println("Example (Broadcast):\n" +
    //                    "On Windows:   .\\gradlew.bat run -Pmsg=\"<Your_Message>\"\n" +
    //                    "On Linux/Mac: ./gradlew run -Pmsg=\"<Your_Message>\"");
    //            System.err.println("");
    //            System.err.println("Example (Unicast):\n" +
    //                    "On Windows:   .\\gradlew.bat run -Pmsg=\"<Your_Message>\" -Pto=\"<Your_Token>\"\n" +
    //                    "On Linux/Mac: ./gradlew run -Pmsg=\"<Your_Message>\" -Pto=\"<Your_Token>\"");
    //            System.exit(1);
    //        }//w  w  w  . jav a 2s.  c o  m
    try {
        // Prepare JSON containing the GCM message content. What to send and where to send.
        JSONObject jGcmData = new JSONObject();
        JSONObject jData = new JSONObject();
        jData.put("message", "Saurabh Garg signed up!!");
        jData.put("title", "New sign up!");
        // Where to send GCM message.
        //if (args.length > 1 && args[1] != null) {
        jGcmData.put("to",
                "dOEmVpNPTCY:APA91bEkeYfFMhAraF4d87SJu12oxDElUp6KW1r710KSKeuDpW31Cd5_WExUxT16KNquJ69wwDMlxd-3qoEIeDNJNU1XjyXiXztOqlKglB-zdOlszoXhX9zIYmYNV8d4vWkM0oPwjlk9");
        //            } else {
        //                jGcmData.put("to", "/topics/global");
        //            }
        // What to send in GCM message.
        jGcmData.put("data", jData);

        // Create connection to send GCM Message request.
        URL url = new URL("https://android.googleapis.com/gcm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", "key=" + API_KEY);
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);

        // Send GCM message content.
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());

        // Read GCM response.
        InputStream inputStream = conn.getInputStream();
        String resp = IOUtils.toString(inputStream);
        System.out.println(resp);
        System.out.println("Check your device/emulator for notification or logcat for "
                + "confirmation of the receipt of the GCM message.");
    } catch (IOException e) {
        System.out.println("Unable to send GCM message.");
        System.out.println("Please ensure that API_KEY has been replaced by the server "
                + "API key, and that the device's registration token is correct (if specified).");
        e.printStackTrace();
    }
}

From source file:gcm.play.android.samples.com.gcmquickstart.GcmSender.java

public static void main(String[] args) throws JSONException {
    if (args.length < 1 || args.length > 2 || args[0] == null) {
        System.err.println("usage: ./gradlew run -Pargs=\"MESSAGE[,DEVICE_TOKEN]\"");
        System.err.println("");
        System.err.println(/*ww w. j  a v a2  s .  c o  m*/
                "Specify a test message to broadcast via GCM. If a device's GCM registration token is\n"
                        + "specified, the message will only be sent to that device. Otherwise, the message \n"
                        + "will be sent to all devices subscribed to the \"global\" topic.");
        System.err.println("");
        System.err.println(
                "Example (Broadcast):\n" + "On Windows:   .\\gradlew.bat run -Pargs=\"<Your_Message>\"\n"
                        + "On Linux/Mac: ./gradlew run -Pargs=\"<Your_Message>\"");
        System.err.println("");
        System.err.println("Example (Unicast):\n"
                + "On Windows:   .\\gradlew.bat run -Pargs=\"<Your_Message>,<Your_Token>\"\n"
                + "On Linux/Mac: ./gradlew run -Pargs=\"<Your_Message>,<Your_Token>\"");
        System.exit(1);
    }
    try {
        // Prepare JSON containing the GCM message content. What to send and where to send.
        JSONObject jGcmData = new JSONObject();
        JSONObject jData = new JSONObject();
        jData.put("message", args[0].trim());
        // Where to send GCM message.
        if (args.length > 1 && args[1] != null) {
            jGcmData.put("to", args[1].trim());
        } else {
            jGcmData.put("to", "/topics/global");
        }
        // What to send in GCM message.
        jGcmData.put("data", jData);

        // Create connection to send GCM Message request.
        URL url = new URL("https://android.googleapis.com/gcm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", "key=" + API_KEY);
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);

        // Send GCM message content.
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());

        // Read GCM response.
        InputStream inputStream = conn.getInputStream();
        String resp = IOUtils.toString(inputStream);
        System.out.println(resp);
        System.out.println("Check your device/emulator for notification or logcat for "
                + "confirmation of the receipt of the GCM message.");
    } catch (IOException e) {
        System.out.println("Unable to send GCM message.");
        System.out.println("Please ensure that API_KEY has been replaced by the server "
                + "API key, and that the device's registration token is correct (if specified).");
        e.printStackTrace();
    }
}

From source file:com.pixa.gcmsender.GcmSender.java

public static void main(String[] args) {
    if (args.length < 1 || args.length > 2 || args[0] == null) {
        System.err.println("usage: ./gradlew run -Pmsg=\"MESSAGE\" [-Pto=\"DEVICE_TOKEN\"]");
        System.err.println("");
        System.err.println(/*from w w w.j  a  v  a  2  s  .  c  o  m*/
                "Specify a test message to broadcast via GCM. If a device's GCM registration token is\n"
                        + "specified, the message will only be sent to that device. Otherwise, the message \n"
                        + "will be sent to all devices subscribed to the \"global\" topic.");
        System.err.println("");
        System.err.println(
                "Example (Broadcast):\n" + "On Windows:   .\\gradlew.bat run -Pmsg=\"<Your_Message>\"\n"
                        + "On Linux/Mac: ./gradlew run -Pmsg=\"<Your_Message>\"");
        System.err.println("");
        System.err.println("Example (Unicast):\n"
                + "On Windows:   .\\gradlew.bat run -Pmsg=\"<Your_Message>\" -Pto=\"<Your_Token>\"\n"
                + "On Linux/Mac: ./gradlew run -Pmsg=\"<Your_Message>\" -Pto=\"<Your_Token>\"");
        System.exit(1);
    }
    try {
        // Prepare JSON containing the GCM message content. What to send and where to send.
        JSONObject jGcmData = new JSONObject();
        JSONObject jData = new JSONObject();
        jData.put("message", args[0].trim());
        // Where to send GCM message.
        if (args.length > 1 && args[1] != null) {
            jGcmData.put("to", args[1].trim());
        } else {
            jGcmData.put("to", "/topics/global");
        }
        // What to send in GCM message.
        jGcmData.put("data", jData);

        // Create connection to send GCM Message request.
        URL url = new URL("https://android.googleapis.com/gcm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", "key=" + API_KEY);
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);

        // Send GCM message content.
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());

        // Read GCM response.
        InputStream inputStream = conn.getInputStream();
        String resp = IOUtils.toString(inputStream);
        System.out.println(resp);
        System.out.println("Check your device/emulator for notification or logcat for "
                + "confirmation of the receipt of the GCM message.");
    } catch (IOException e) {
        System.out.println("Unable to send GCM message.");
        System.out.println("Please ensure that API_KEY has been replaced by the server "
                + "API key, and that the device's registration token is correct (if specified).");
        e.printStackTrace();
    }
}

From source file:inf.ufg.br.muralufg.features.push.GcmSender.java

public static void main(String[] args) {
    if (args.length < 1 || args.length > 2 || args[0] == null) {
        Log.d("", "usage: ./gradlew run -Pargs=\"MESSAGE[,DEVICE_TOKEN]\"");
        Log.d("",
                "Specify a test message to broadcast via GCM. If a device's GCM registration token is\n"
                        + "specified, the message will only be sent to that device. Otherwise, the message \n"
                        + "will be sent to all devices subscribed to the \"global\" topic.");
        Log.d("", "Example (Broadcast):\n" + "On Windows:   .\\gradlew.bat run -Pargs=\"<Your_Message>\"\n"
                + "On Linux/Mac: ./gradlew run -Pargs=\"<Your_Message>\"");

        Log.d("",
                "Example (Unicast):\n"
                        + "On Windows:   .\\gradlew.bat run -Pargs=\"<Your_Message>,<Your_Token>\"\n"
                        + "On Linux/Mac: ./gradlew run -Pargs=\"<Your_Message>,<Your_Token>\"");
        System.exit(1);/*from w ww .jav a 2 s .  com*/
    }
    try {
        // Prepare JSON containing the GCM message content. What to send and where to send.
        JSONObject jGcmData = new JSONObject();
        JSONObject jData = new JSONObject();
        jData.put("message", args[0].trim());
        // Where to send GCM message.
        if (args.length > 1 && args[1] != null) {
            jGcmData.put("to", args[1].trim());
        } else {
            jGcmData.put("to", "/topics/global");
        }
        // What to send in GCM message.
        jGcmData.put("data", jData);

        // Create connection to send GCM Message request.
        URL url = new URL("https://android.googleapis.com/gcm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", "key=" + API_KEY);
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);

        // Send GCM message content.
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());

        // Read GCM response.
        InputStream inputStream = conn.getInputStream();
        String resp = IOUtils.toString(inputStream);
        Log.d("", resp);
        Log.d("", "Check your device/emulator for notification or logcat for "
                + "confirmation of the receipt of the GCM message.");
    } catch (IOException e) {
        Log.d("", "Unable to send GCM message.");
        Log.d("", "Please ensure that API_KEY has been replaced by the server "
                + "API key, and that the device's registration token is correct (if specified).");
        Log.d("", "", e);
    } catch (JSONException e) {
        Log.d("", "", e);
    }
}