Example usage for twitter4j JSONObject keys

Introduction

In this page you can find the example usage for twitter4j JSONObject keys.

Prototype

public Iterator<String> keys() 

Source Link

Document

Returns an iterator of the String names in this object.

Usage

From source file:com.sampleapp.db.DBUtil.java

License:Open Source License

private DBUtil() {
    Map<String, String> env;
    env = System.getenv();/*from  ww  w. j ava2  s.co  m*/
    String vcap = env.get("VCAP_SERVICES");

    if (vcap == null) {
        System.out.println("No VCAP_SERVICES found");
        return;
    }

    System.out.println("VCAP_SERVICES found");

    try {
        JSONObject vcap_services = new JSONObject(vcap);

        @SuppressWarnings("rawtypes")
        Iterator iter = vcap_services.keys();
        JSONArray cloudant = null;

        // find instance of cloudant bound to app
        while (iter.hasNext()) {
            String key = (String) iter.next();
            if (key.startsWith("cloudantNoSQLDB")) {
                cloudant = vcap_services.getJSONArray(key);
            }
        }

        JSONObject instance = cloudant.getJSONObject(0); // Grab the first instance of mongoDB for this app (there is only one)
        JSONObject credentials = instance.getJSONObject("credentials");

        // Get all VCAP_SERVICES credentials
        String host = credentials.getString("host");
        String port = credentials.getString("port");
        String username = credentials.getString("username");
        String password = credentials.getString("password");
        String url = credentials.getString("url");

        System.out.println("Found all the params: " + username + " " + password + " " + url);

        // Create the client connection the the database and then create the database
        client = new CloudantClient(url, username, password);
        db = client.database(dbname, true);

        System.out.println("Connected to cloudant on " + host + ":" + port);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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