Example usage for org.json.simple JSONArray iterator

Introduction

In this page you can find the example usage for org.json.simple JSONArray iterator.

Prototype

public Iterator<E> iterator() 

Source Link

Document

Returns an iterator over the elements in this list in proper sequence.

Usage

From source file:chat.jsonTest.java

/**
 * @param args the command line arguments
 */// w  w w.  ja va 2s. c o  m
public static void main(String[] args) throws ParseException, IOException {
    // TODO code application logic here
    JSONParser parser = new JSONParser();
    String fullPath = "userInfo.json";
    //BufferedReader reader = new BufferedReader(new FileReader(fullPath));

    Object obj = parser.parse(new FileReader("userInfo.json"));
    JSONObject jsonObject = (JSONObject) obj;
    /*while ((line = reader.readLine()) != null) {
        System.out.println(line);
    }*/
    JSONArray lang = (JSONArray) jsonObject.get("userInfo");
    Iterator i = lang.iterator();

    // take each value from the json array separately
    while (i.hasNext()) {
        JSONObject innerObj = (JSONObject) i.next();
        System.out
                .println("username " + innerObj.get("username") + " with password " + innerObj.get("password"));
    }

}

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From source file:json.ReadFromFile.java

public static void main(String[] args) {

    JSONParser parser = new JSONParser();
    try {//from   w ww. j  a  v  a2s .co m
        Object obj = parser.parse(new FileReader(file));
        JSONObject jsonObject = (JSONObject) obj;
        String countryName = jsonObject.get("Name") + "";//equivalent to jsonObject.get("Name").toString(); 
        System.out.println("Name of Country: " + countryName);

        long population = (long) jsonObject.get("Population");
        System.out.println("Population: " + population);

        System.out.println("Counties are:");
        JSONArray listOfCounties = (JSONArray) jsonObject.get("Counties");
        Iterator<String> iterator = listOfCounties.iterator();
        while (iterator.hasNext()) {
            System.out.println(iterator.next());
        }
    } catch (IOException | ParseException e) {
        e.printStackTrace();
    }
}

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From source file:jsonpractice.jsonpractice1.java

public static void main(String[] args) throws IOException, ParseException {
    JSONParser parser = new JSONParser();
    try {//from  w  ww. j  a v a2 s.c o m
        Object obj = parser.parse(new FileReader("C:\\Users\\user\\Documents\\CountryJSONFile.json"));
        JSONObject jsonobject = (JSONObject) obj;

        String nameOfCountry = (String) jsonobject.get("Name");
        System.out.println("Name of the Country: " + nameOfCountry);

        long population = (long) jsonobject.get("Population");
        System.out.println("Population of the country is : " + population);

        System.out.println("States are: ");
        JSONArray listOfStates = (JSONArray) jsonobject.get("states");

        Iterator<String> iterator = listOfStates.iterator();
        while (iterator.hasNext()) {
            System.out.println(iterator.next());
        }
    } catch (FileNotFoundException e) {
    } catch (IOException e) {
    } catch (ParseException e) {
    }

}

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From source file:dependencies.DependencyResolving.java

/**
 * @param args the command line arguments
 */// w w  w  .ja va  2 s .c o m
public static void main(String[] args) {
    // TODO code application logic here
    JSONParser parser = new JSONParser(); //we use JSONParser in order to be able to read from JSON file
    try { //here we declare the file reader and define the path to the file dependencies.json
        Object obj = parser.parse(new FileReader(
                "C:\\Users\\Vladimir\\Documents\\NetBeansProjects\\DependenciesResolving\\src\\dependencies\\dependencies.json"));
        JSONObject project = (JSONObject) obj; //a JSON object containing all the data in the .json file
        JSONArray dependencies = (JSONArray) project.get("dependencies"); //get array of objects with key "dependencies"
        System.out.print("We need to install the following dependencies: ");
        Iterator<String> iterator = dependencies.iterator(); //define an iterator over the array "dependencies"
        while (iterator.hasNext()) {
            System.out.println(iterator.next());
        } //on the next line we declare another object, which parses a Parser object and reads from all_packages.json
        Object obj2 = parser.parse(new FileReader(
                "C:\\Users\\Vladimir\\Documents\\NetBeansProjects\\DependenciesResolving\\src\\dependencies\\all_packages.json"));
        JSONObject tools = (JSONObject) obj2; //a JSON object containing all thr data in the file all_packages.json
        for (int i = 0; i < dependencies.size(); i++) {
            if (tools.containsKey(dependencies.get(i))) {
                System.out.println(
                        "In order to install " + dependencies.get(i) + ", we need the following programs:");
                JSONArray temporaryArray = (JSONArray) tools.get(dependencies.get(i)); //a temporary JSON array in which we store the keys and values of the dependencies
                for (i = 0; i < temporaryArray.size(); i++) {
                    System.out.println(temporaryArray.get(i));
                }
                ArrayList<Object> arraysOfJsonData = new ArrayList<Object>(); //an array in which we will store the keys of the objects, after we use the values and won't need them anymore
                for (i = 0; i < temporaryArray.size(); i++) {
                    System.out.println("Installing " + temporaryArray.get(i));
                }
                while (!temporaryArray.isEmpty()) {

                    for (Object element : temporaryArray) {

                        if (tools.containsKey(element)) {
                            JSONArray secondaryArray = (JSONArray) tools.get(element); //a temporary array within the scope of the if-statement
                            if (secondaryArray.size() != 0) {
                                System.out.println("In order to install " + element + ", we need ");
                            }
                            for (i = 0; i < secondaryArray.size(); i++) {
                                System.out.println(secondaryArray.get(i));
                            }

                            for (Object o : secondaryArray) {

                                arraysOfJsonData.add(o);
                                //here we create a file with the installed dependency
                                File file = new File(
                                        "C:\\Users\\Vladimir\\Documents\\NetBeansProjects\\DependenciesResolving\\src\\dependencies\\installed_modules\\"
                                                + o);
                                if (file.createNewFile()) {
                                    System.out.println(file.getName() + " is installed!");
                                } else {
                                }
                            }
                            secondaryArray.clear();
                        }
                    }
                    temporaryArray.clear();
                    for (i = 0; i < arraysOfJsonData.size(); i++) {
                        temporaryArray.add(arraysOfJsonData.get(i));
                    }
                    arraysOfJsonData.clear();
                }
            }
        }
        Set<String> keys = tools.keySet(); // here we define a set of keys of the objects in all_packages.json
        for (String s : keys) {
            File file = new File(
                    "C:\\Users\\Vladimir\\Documents\\NetBeansProjects\\DependenciesResolving\\src\\dependencies\\installed_modules\\"
                            + s);
            if (file.createNewFile()) {
                System.out.println(file.getName() + " is installed.");
            } else {
            }
        }
    } catch (IOException ex) {
        Logger.getLogger(DependencyResolving.class.getName()).log(Level.SEVERE, null, ex);
    } catch (ParseException ex) {
        Logger.getLogger(DependencyResolving.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:authorship.verification.ReadJSON.java

public static String readJson(String file) {
    JSONParser parser = new JSONParser();
    try {//from   ww  w  .ja v  a 2s  .  co  m
        FileReader fileReader = new FileReader(file);
        JSONObject json = (JSONObject) parser.parse(fileReader);

        language = (String) json.get("language");
        //System.out.println("Language: " + language); 

        JSONArray filenames = (JSONArray) json.get("problems");
        Iterator i = filenames.iterator();
        /*System.out.println("Filenames: "); 
        while (i.hasNext()) { 
        System.out.println(" " + i.next()); 
        } */
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return language;
}

---

From source file:com.punyal.blackhole.utils.Parsers.java

public static JSONObject senml2json(String s) {
    JSONObject json, tmp;/* w  ww  .ja  v a 2  s  .c  om*/
    String data;

    json = new JSONObject();
    try {
        tmp = (JSONObject) JSONValue.parse(s);

        // Save base time
        json.put("time", tmp.get("bt"));

        JSONArray slideContent = (JSONArray) tmp.get("e");
        Iterator i = slideContent.iterator();

        while (i.hasNext()) {
            JSONObject slide = (JSONObject) i.next();
            json.put(slide.get("n"), slide.get("v"));
        }
    } catch (NullPointerException e) {
    }
    return json;
}

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From source file:currencyexchange.JSONCurrency.java

public static ArrayList<CurrencyUnit> getCurrencyUnitsJSON() {
    try {//  w ww . j  a v  a2s .c  o  m
        FileReader reader = new FileReader(filePath);

        JSONParser jsonParser = new JSONParser();
        JSONObject jsonObject = (JSONObject) jsonParser.parse(reader);

        JSONArray currencyUnits = (JSONArray) jsonObject.get("units");

        ArrayList<CurrencyUnit> currencies = new ArrayList<CurrencyUnit>();

        Iterator i = currencyUnits.iterator();
        while (i.hasNext()) {
            JSONObject e = (JSONObject) i.next();
            CurrencyUnit currency = new CurrencyUnit((String) e.get("CountryCurrency"),
                    (String) e.get("Units"));

            currencies.add(currency);
        }
        return currencies;

    } catch (FileNotFoundException ex) {
        ex.printStackTrace();
    } catch (IOException ex) {
        ex.printStackTrace();
    } catch (ParseException | NullPointerException ex) {
        ex.printStackTrace();
    }

    return null;
}

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From source file:edu.rit.chrisbitler.ritcraft.slackintegration.rtm.UserList.java

/**
 * Query the slack api to get the list of users and their real names. This is done whenever we can't find an ID mapping,
 * and when the plugin loads//from  w  w  w  . j  av a  2s  .c  o  m
 */
public static void queryUsers() {
    try {
        users.clear();
        //Contact the slack api to get the user list
        HttpURLConnection conn = (HttpURLConnection) new URL(
                "https://www.slack.com/api/users.list?token=" + SlackIntegration.BOT_TOKEN).openConnection();
        conn.connect();
        JSONObject retVal = (JSONObject) JSONValue
                .parse(new InputStreamReader((InputStream) conn.getContent()));
        JSONArray members = (JSONArray) retVal.get("members");

        //Loop through the members and add them to the map
        Iterator<JSONObject> iter = members.iterator();
        while (iter.hasNext()) {
            JSONObject obj = iter.next();
            JSONObject profile = (JSONObject) obj.get("profile");
            String id = (String) obj.get("id");
            String realName = (String) profile.get("real_name");
            users.put(id, realName);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:com.marklogic.tableauextract.ExtractFromJSON.java

/**
 * Read JSON output from MarkLogic REST extension or *.xqy file and insert
 * the output into a Tabeleau table// w w w .  j  av  a2  s .  com
 * 
 * @param table
 * @throws TableauException
 */
private static void insertData(Table table)
        throws TableauException, FileNotFoundException, ParseException, IOException {
    TableDefinition tableDef = table.getTableDefinition();
    Row row = new Row(tableDef);

    URL url = new URL("http://localhost:8060/json.xqy");
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(url.openStream()));
    JSONParser jsonParser = new JSONParser();
    JSONObject jsonObject = (JSONObject) jsonParser.parse(bufferedReader);

    JSONArray claims = (JSONArray) jsonObject.get("claims");

    @SuppressWarnings("unchecked")
    Iterator<JSONObject> i = claims.iterator();

    while (i.hasNext()) {
        JSONObject innerObject = i.next();

        String idString = (String) innerObject.get("id");
        row.setInteger(0, Integer.parseInt(idString.substring(0, 6)));
        row.setCharString(1, (String) innerObject.get("ssn"));
        row.setCharString(2, (String) innerObject.get("type"));
        String payString = (String) innerObject.get("payment_amount");
        if (payString == null || payString.isEmpty())
            payString = "0.0";
        row.setDouble(3, Double.parseDouble(payString));
        String dtString = (String) innerObject.get("claim_date");
        if (dtString == null || dtString.isEmpty())
            dtString = "1999-01-01";
        LocalDate claimDate = (LocalDate.parse(dtString));
        row.setDate(4, claimDate.getYear(), claimDate.getMonthValue(), claimDate.getDayOfMonth());
        table.insert(row);

    }

    /*
    row.setDateTime(  0, 2012, 7, 3, 11, 40, 12, 4550); // Purchased
    row.setCharString(1, "Beans");                      // Product
    row.setString(    2, "uniBeans");                   // uProduct
    row.setDouble(    3, 1.08);                         // Price
    row.setDate(      6, 2029, 1, 1);                   // Expiration date
    row.setCharString(7, "Bohnen");                     // Produkt
            
    for ( int i = 0; i < 10; ++i ) {
    row.setInteger(4, i * 10);                      // Quantity
    row.setBoolean(5, i % 2 == 1);                  // Taxed
    }
    */
}

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From source file:com.baystep.jukeberry.JsonConfiguration.java

public static SourceDescription[] getSourceDescriptionArray(JSONObject obj, String key) {
    ArrayList<SourceDescription> list = new ArrayList<>();
    JSONArray array = (JSONArray) obj.get(key);
    if (array != null) {
        Iterator it = array.iterator();
        while (it.hasNext()) {
            JSONObject element = (JSONObject) it.next();

            SourceDescription sd = new SourceDescription();
            sd.name = element.get("name").toString();
            sd.fqn = element.get("fqn").toString();

            list.add(sd);//from  w w  w .ja  va2  s.  c  om
        }
    }
    SourceDescription[] output = new SourceDescription[list.size()];
    list.toArray(output);
    return output;
}

---

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