Example usage for com.google.gson Gson Gson

Introduction

In this page you can find the example usage for com.google.gson Gson Gson.

Prototype

public Gson() 

Source Link

Document

Constructs a Gson object with default configuration.

Usage

From source file:ReportFiltering.java

/**
 * This method uses GSON to set the values
 * of each report using reflection.//from  w w  w  . j  a  va2 s. c  o m
 * @return a Report array, containing all reports from the JSON file
 * @throws Exception if the file pathname is null, or if the file
 * is not found by the scanner
 */
private static Report[] parseJSON() throws Exception {
    Gson gson = new Gson();
    File file = new File(LOC + "reports.json");
    StringBuilder sb = new StringBuilder();
    Scanner input = new Scanner(file);

    // Parse entire file
    while (input.hasNext())
        sb.append(input.next());

    input.close();
    return gson.fromJson(sb.toString(), Report[].class);
}

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From source file:aaa.AdminMgmt.java

@GET
@Path("login")
@Produces(MediaType.APPLICATION_JSON)/*from  w w  w.j  a  va2 s.  co m*/
public Response login(@QueryParam("user") String uid, @QueryParam("psswd") String psswd)
        throws NamingException, SQLException {
    dao.open();
    pst = dao.cn.prepareStatement("select *from admin where email=? AND password=?");
    String res = null;
    pst.setString(1, uid);
    pst.setString(2, psswd);
    ResultSet rs = pst.executeQuery();
    if (rs != null) {
        rs.next();
        //if(rs.getString(4).equals(uid) && rs.getString(5).equals(psswd)){
        rs.previous();
        Gson gson = new Gson();
        try (StringWriter stringWriter = new StringWriter()) {
            JsonWriter writer = new JsonWriter(stringWriter);
            tools.ResultSetAdapter ra = new tools.ResultSetAdapter();
            ra.write(writer, rs);
            res = "{ \"data\" :" + stringWriter.getBuffer().toString() + "}";
        } catch (Exception e) {
            res = e.getMessage() + "";
        } finally {
            if (pst != null && dao.cn != null) {
                rs.close();
                pst.close();
                dao.cn.close();
            }
            //}
        }

    }
    return modRes.cbrs(res);

}

---

From source file:aaa.AssettypeMgt.java

@GET
@Path("get")
@Produces(MediaType.APPLICATION_JSON)//from   ww  w. j  ava  2s  . c  om
public Response getdetails(@QueryParam("id") String id) throws SQLException, IOException, Exception {
    String res = "error";
    try {
        dao.open();
        if (id.equals("*")) {
            pst = (PreparedStatement) dao.cn.prepareStatement("select *from assettypes");
            rs = pst.executeQuery();
        } else {
            pst = (PreparedStatement) dao.cn.prepareStatement("select *from assettypes where idassettypes=?");
            pst.setString(1, id);
            rs = pst.executeQuery();
        }
        Gson gson = new Gson();
        try {
            if (rs.isBeforeFirst()) {
                res = JsonMan.rstojson(rs);
            }
        } catch (Exception er) {
            return modRes.cbrs(res + ":" + er.getMessage());
        }
        return modRes.cbrs(res);
    } catch (SQLException e) {
        return modRes.cbrs(e.getMessage() + "");
        //encod
    } finally {
        if (cst != null && dao.cn != null) {
            pst.close();
            dao.cn.close();
        }
    }
}

---

From source file:aaa.GenericResource.java

@GET
@Path("login")
@Produces(MediaType.APPLICATION_JSON)//ww w.ja  va 2 s .  c o m
public Response loginsa(@QueryParam("user") String user, @QueryParam("psswd") String psswd)
        throws NamingException, SQLException {
    dao.open();
    pst = dao.cn.prepareStatement("select *from superadmin where email=? AND password=?");
    String res = null;
    pst.setString(1, user);
    pst.setString(2, psswd);
    ResultSet rs = pst.executeQuery();
    if (rs != null) {
        rs.next();
        if (rs.getString(4).equals(user) && rs.getString(5).equals(psswd)) {
            rs.previous();
            Gson gson = new Gson();
            try (StringWriter stringWriter = new StringWriter()) {
                JsonWriter writer = new JsonWriter(stringWriter);
                tools.ResultSetAdapter ra = new tools.ResultSetAdapter();
                ra.write(writer, rs);
                res = "{ \"data\" :" + stringWriter.getBuffer().toString() + "}";
            } catch (Exception e) {
                res = e.getMessage() + "";
            } finally {
                if (pst != null && dao.cn != null) {
                    rs.close();
                    pst.close();
                    dao.cn.close();
                }
            }
        }

    }
    return modRes.cbrs(res);
}

---

From source file:aajavafx.CustomerController.java

@FXML
private void handleRegisterButton(ActionEvent event) {
    //labelError.setText(null);
    try {/* w  ww  .  jav  a  2s. c o  m*/
        //String customerNumber = customerID.getText();
        //customerID.clear();
        String lastName = lastNameID.getText();
        lastNameID.clear();
        String firstName = firstNameID.getText();
        firstNameID.clear();
        String address = addressID.getText();
        addressID.clear();
        String birthdate = birthdateID.getText();
        birthdateID.clear();
        String persunnumer = persunnumerID.getText();
        persunnumerID.clear();
        try {
            Gson gson = new Gson();
            Customers customer = new Customers(1, firstName, lastName, address, birthdate, persunnumer);
            String jsonString = new String(gson.toJson(customer));
            System.out.println("json string: " + jsonString);
            StringEntity postString = new StringEntity(jsonString);
            CredentialsProvider provider = new BasicCredentialsProvider();
            UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("EMPLOYEE", "password");
            provider.setCredentials(AuthScope.ANY, credentials);
            HttpClient httpClient = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();
            HttpPost post = new HttpPost(postCustomerURL);
            post.setEntity(postString);
            post.setHeader("Content-type", "application/json");
            HttpResponse response = httpClient.execute(post);
            ByteArrayOutputStream outstream = new ByteArrayOutputStream();
            if (response != null) {
                response.getEntity().writeTo(outstream);
                byte[] responseBody = outstream.toByteArray();
                String str = new String(responseBody, "UTF-8");
                System.out.print(str);
            } else {
                System.out.println("Success");
            }
        } catch (UnsupportedEncodingException ex) {
            System.out.println(ex);
        } catch (IOException e) {
            System.out.println(e);
        }
    } catch (Exception ex) {
        ex.printStackTrace();
        // labelError.setText("Salary or phone field does not have a integer!");
    }
}

---

From source file:aajavafx.CustomerController.java

public ObservableList<CustomerProperty> getCustomer() throws IOException, JSONException {

    ObservableList<CustomerProperty> customers = FXCollections.observableArrayList();
    //customers.add(new CustomerProperty(1, "Johny", "Walker", "London", "1972-07-01", "7207012222"));
    Customers myCustomer = new Customers();
    //Managers manager = new Managers();
    Gson gson = new Gson();
    ObservableList<CustomerProperty> customersProperty = FXCollections.observableArrayList();
    JSONObject jo = new JSONObject();
    CredentialsProvider provider = new BasicCredentialsProvider();
    UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("EMPLOYEE", "password");
    provider.setCredentials(AuthScope.ANY, credentials);
    HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();
    HttpGet get = new HttpGet("http://localhost:8080/MainServerREST/api/customers");
    HttpResponse response = client.execute(get);
    System.out.println("RESPONSE IS: " + response);
    JSONArray jsonArray = new JSONArray(
            IOUtils.toString(response.getEntity().getContent(), Charset.forName("UTF-8")));
    System.out.println(jsonArray);
    for (int i = 0; i < jsonArray.length(); i++) {
        jo = (JSONObject) jsonArray.getJSONObject(i);
        myCustomer = gson.fromJson(jo.toString(), Customers.class);
        System.out.println(myCustomer.getCuId());
        customersProperty.add(new CustomerProperty(myCustomer.getCuId(), myCustomer.getCuFirstname(),
                myCustomer.getCuLastname(), myCustomer.getCuBirthdate(), myCustomer.getCuAddress(),
                myCustomer.getCuPersonnummer()));
    }/*from  w  w  w  .ja v  a  2  s .c o m*/
    return customersProperty;
}

---

From source file:aajavafx.CustomerMedicineController.java

@FXML
private void handleSaveButton(ActionEvent event) {
    //labelError.setText(null);
    try {/*from   ww  w  . j a  v  a2  s .  com*/

        String dosage = dose.getText();
        dose.clear();
        String stDate = startDate.getText();
        startDate.clear();
        String sched = schedule.getText();
        schedule.clear();
        Customers customer = (Customers) customerBox.getSelectionModel().getSelectedItem();
        Medicines medicine = (Medicines) medicinesBox.getSelectionModel().getSelectedItem();
        CustomersTakesMedicinesPK ctmPK = new CustomersTakesMedicinesPK(customer.getCuId(),
                medicine.getmedId());
        CustomersTakesMedicines ctm = new CustomersTakesMedicines(ctmPK, dosage, stDate,
                Double.parseDouble(sched));
        ctm.setCustomers(customer);
        ctm.setMedicines(medicine);
        //System.out.println(customerBox.getValue());
        //String string = (String)customerBox.getValue();
        //System.out.println("STRING VALUE: "+string);
        //int customerId = Integer.parseInt(""+string.charAt(0));
        //System.out.println("CUSTOMER ID VALUE:"+customerId);
        //Customers customer = getCustomerByID(customerId);

        Gson gson = new Gson();
        //......for ssl handshake....
        CredentialsProvider provider = new BasicCredentialsProvider();
        UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("EMPLOYEE", "password");
        provider.setCredentials(AuthScope.ANY, credentials);
        //........
        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpEntityEnclosingRequestBase HttpEntity = null; //this is the superclass for post, put, get, etc
        if (startDate.isEditable()) { //then we are posting a new record
            HttpEntity = new HttpPost(MedicineCustomerRootURL); //so make a http post object
        } else { //we are editing a record 
            HttpEntity = new HttpPut(MedicineCustomerRootURL + startDate); //so make a http put object
        }

        String jsonString = new String(gson.toJson(ctm));
        System.out.println("json string: " + jsonString);
        StringEntity postString = new StringEntity(jsonString);

        HttpEntity.setEntity(postString);
        HttpEntity.setHeader("Content-type", "application/json");
        HttpResponse response = httpClient.execute(HttpEntity);
        int statusCode = response.getStatusLine().getStatusCode();
        if (statusCode == 204) {
            System.out.println("Customer binded to medicine successfully");
        } else {
            System.out.println("Server error: " + response.getStatusLine());
        }
        dose.setEditable(false);
        startDate.setEditable(false);
        schedule.setEditable(false);
        customerBox.setDisable(true);

    } catch (Exception ex) {
        System.out.println("Error: " + ex);
    }
    try {
        //refresh table
        tableCustomer.setItems(getCustomersTakesMedicines());
    } catch (IOException ex) {
        Logger.getLogger(DevicesController.class.getName()).log(Level.SEVERE, null, ex);
    } catch (Exception ex) {
        Logger.getLogger(DevicesController.class.getName()).log(Level.SEVERE, null, ex);
    }

}

---

From source file:aajavafx.CustomerMedicineController.java

public ObservableList<Customers> getCustomer() throws IOException, JSONException {

    ObservableList<Customers> customers = FXCollections.observableArrayList();
    Customers myCustomer = new Customers();
    Gson gson = new Gson();
    JSONObject jo = new JSONObject();
    // SSL update..........
    CredentialsProvider provider = new BasicCredentialsProvider();
    UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("EMPLOYEE", "password");
    provider.setCredentials(AuthScope.ANY, credentials);

    HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();
    HttpGet get = new HttpGet("http://localhost:8080/MainServerREST/api/customers");

    HttpResponse response = client.execute(get);
    System.out.println("RESPONSE IS: " + response);
    //................

    //JSONArray jsonArray = new JSONArray(IOUtils.toString(new URL(CustomersRootURL), Charset.forName("UTF-8")));
    JSONArray jsonArray = new JSONArray(
            IOUtils.toString(response.getEntity().getContent(), Charset.forName("UTF-8")));

    System.out.println(jsonArray);
    for (int i = 0; i < jsonArray.length(); i++) {
        jo = (JSONObject) jsonArray.getJSONObject(i);
        myCustomer = gson.fromJson(jo.toString(), Customers.class);
        customers.add(myCustomer);/*from   w  w  w.  ja  va 2s.c  om*/

    }
    return customers;
}

---

From source file:aajavafx.CustomerMedicineController.java

public ObservableList<Medicines> getMedicines() throws IOException, JSONException {

    ObservableList<Medicines> medicines = FXCollections.observableArrayList();
    //Managers manager = new Managers();
    Gson gson = new Gson();
    JSONObject jo = new JSONObject();

    //........SSL Update
    CredentialsProvider provider = new BasicCredentialsProvider();
    UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("EMPLOYEE", "password");
    provider.setCredentials(AuthScope.ANY, credentials);
    HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();
    HttpGet get = new HttpGet("http://localhost:8080/MainServerREST/api/medicines");

    HttpResponse response = client.execute(get);
    System.out.println("RESPONSE IS: " + response);
    //...................
    // JSONArray jsonArray = new JSONArray(IOUtils.toString(new URL(MedicineRootURL), Charset.forName("UTF-8")));
    JSONArray jsonArray = new JSONArray(
            IOUtils.toString(response.getEntity().getContent(), Charset.forName("UTF-8")));

    System.out.println(jsonArray);
    for (int i = 0; i < jsonArray.length(); i++) {
        jo = (JSONObject) jsonArray.getJSONObject(i);
        Medicines medicine = gson.fromJson(jo.toString(), Medicines.class);
        System.out.println("JSON OBJECT #" + i + " " + jo);
        medicines.add(medicine);//  ww  w  . ja v a2  s  .  com

    }
    return medicines;
}

---

From source file:aajavafx.CustomerMedicineController.java

public ObservableList<CustomersTakesMedicines> getCustomersTakesMedicines() throws IOException, JSONException {

    ObservableList<CustomersTakesMedicines> ctMeds = FXCollections.observableArrayList();
    //Managers manager = new Managers();
    Gson gson = new Gson();
    JSONObject jo = new JSONObject();
    //........SSL Update
    CredentialsProvider provider = new BasicCredentialsProvider();
    UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("EMPLOYEE", "password");
    provider.setCredentials(AuthScope.ANY, credentials);
    HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();
    HttpGet get = new HttpGet("http://localhost:8080/MainServerREST/api/customersmedicines/");

    HttpResponse response = client.execute(get);
    System.out.println("RESPONSE IS: " + response);
    //...................
    // JSONArray jsonArray = new JSONArray(IOUtils.toString(new URL(MedicineRootURL), Charset.forName("UTF-8")));
    JSONArray jsonArray = new JSONArray(
            IOUtils.toString(response.getEntity().getContent(), Charset.forName("UTF-8")));

    //JSONArray jsonArray = new JSONArray(IOUtils.toString(new URL(MedicineCustomerRootURL), Charset.forName("UTF-8")));
    System.out.println(jsonArray);
    for (int i = 0; i < jsonArray.length(); i++) {
        //get the main json object, which contains customer object, pk object, dosage, start date, schedule and medicine object
        jo = (JSONObject) jsonArray.getJSONObject(i);
        System.out.println("JSON OBJECT #" + i + " " + jo);
        //get the customer json sub-string
        JSONObject custObj = (JSONObject) jo.get("customers");
        Customers customer = gson.fromJson(custObj.toString(), Customers.class);
        //get the primary key json sub-string
        JSONObject pkObj = (JSONObject) jo.get("customersTakesMedicinesPK");
        CustomersTakesMedicinesPK ctmPK = gson.fromJson(pkObj.toString(), CustomersTakesMedicinesPK.class);
        //get the medicine json sub-string
        JSONObject medObj = (JSONObject) jo.get("medicines");
        Medicines medicine = gson.fromJson(medObj.toString(), Medicines.class);
        //get the individual strings
        String dose = jo.getString("medDosage");
        String startDate = jo.getString("medStartDate");
        double schedule = jo.getDouble("medicationintakeschedule");
        CustomersTakesMedicines cuTaMe = new CustomersTakesMedicines(ctmPK, dose, startDate, schedule);
        cuTaMe.setCustomers(customer);//  w  w  w.jav a2s.  co  m
        cuTaMe.setMedicines(medicine);
        ctMeds.add(cuTaMe);
    }
    return ctMeds;
}

---

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