com.culvereq.vimp.networking.ConnectionHandler.java Source code

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Here is the source code for com.culvereq.vimp.networking.ConnectionHandler.java

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package com.culvereq.vimp.networking;

import com.culvereq.vimp.models.ServiceRecord;
import com.culvereq.vimp.models.TempServiceRecord;
import com.culvereq.vimp.models.TempVehicle;
import com.culvereq.vimp.models.Vehicle;
import com.culvereq.vimp.util.Deserializer;
import com.culvereq.vimp.util.Globals;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;

public class ConnectionHandler {

    private final String serverAddress = "http://vimp.culvereq.com/";
    private final int port = 80;
    private final String baseURL = serverAddress + (port != 80 ? ":" + port : "");
    private final String vehicleURL = baseURL + "vehicle/";
    private final String serviceURL = baseURL + "record/";
    private final String loginURL = baseURL + "login/app";

    public Vehicle getVehicle(int id) throws IOException, JSONException {
        URL requestURL = new URL(vehicleURL + id);
        HttpURLConnection connection = (HttpURLConnection) requestURL.openConnection();
        connection.setRequestMethod("GET");
        int responseCode = connection.getResponseCode();
        if (responseCode == 200) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
            return new Deserializer().deserializeVehicle(response.toString());
        } else {
            throw new IOException();
        }
    }

    public ArrayList<Vehicle> getAllVehicles() throws IOException, JSONException {
        URL requestURL = new URL(vehicleURL + "all");
        HttpURLConnection connection = (HttpURLConnection) requestURL.openConnection();
        connection.setRequestMethod("GET");
        int responseCode = connection.getResponseCode();
        if (responseCode == 200) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

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

            ArrayList<Vehicle> vehicles = new ArrayList<Vehicle>();
            JSONObject json = new JSONObject(response.toString());
            JSONArray vehiclesArrayJSON = json.getJSONArray("vehicles");
            Deserializer deserializer = new Deserializer();
            for (int i = 0; i < vehiclesArrayJSON.length(); i++) {
                JSONObject vehicleJSON = vehiclesArrayJSON.getJSONObject(i);
                Vehicle vehicle = deserializer.deserializeVehicle(vehicleJSON, vehicleJSON.toString());
                vehicles.add(vehicle);
            }
            return vehicles;
        } else {
            throw new IOException();
        }
    }

    public ServiceRecord getServiceRecord(int i) throws IOException, JSONException {
        URL requestURL = new URL(vehicleURL + "all");
        HttpURLConnection connection = (HttpURLConnection) requestURL.openConnection();
        connection.setRequestMethod("GET");
        int responseCode = connection.getResponseCode();
        if (responseCode == 200) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

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

            JSONObject json = new JSONObject(response.toString());
            return new Deserializer().deserializeService(json, response.toString());
        } else {
            throw new IOException();
        }
    }

    public ServiceRecord addServiceRecord(TempServiceRecord serviceRecord) throws IOException, JSONException {
        URL requestURL = new URL(serviceURL + "add");
        HttpURLConnection connection = (HttpURLConnection) requestURL.openConnection();
        connection.setDoInput(true);
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        connection.setRequestProperty("charset", "utf-8");
        String urlParameters = "";
        urlParameters += "key=" + Globals.access_key;
        urlParameters += "&vehicle-id=" + serviceRecord.getParentVehicle().getId();
        urlParameters += "&type-id=" + serviceRecord.getType().getValue();
        urlParameters += "&service-desc=" + serviceRecord.getDescription();
        urlParameters += "&service-date=" + serviceRecord.getServiceDate().getMillis() / 1000L;
        urlParameters += "&service-mileage=" + serviceRecord.getMileage();
        connection.setRequestProperty("Content-Length", "" + urlParameters.getBytes().length);
        connection.setUseCaches(false);
        OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
        writer.write(urlParameters);
        writer.flush();
        writer.close();

        int responseCode = connection.getResponseCode();
        if (responseCode == 201) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

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

            JSONObject json = new JSONObject(response.toString());
            return new Deserializer().deserializeService(json, response.toString());
        } else if (responseCode == 400) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getErrorStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
            throw new IOException(response.toString());
        } else {
            throw new IOException("Got response code: " + responseCode);
        }
    }

    public Vehicle addVehicle(TempVehicle vehicle) throws IOException, JSONException {
        URL requestURL = new URL(vehicleURL + "add");
        HttpURLConnection connection = (HttpURLConnection) requestURL.openConnection();
        connection.setDoInput(true);
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        connection.setRequestProperty("charset", "utf-8");
        String urlParameters = "";
        urlParameters += "key=" + Globals.access_key;
        urlParameters += "&vehicle-name=" + vehicle.getName();
        urlParameters += "&vehicle-type-id=" + vehicle.getType().getValue();
        urlParameters += "&vehicle-make=" + vehicle.getMake();
        urlParameters += "&vehicle-model" + vehicle.getModel();
        urlParameters += "&vehicle-year" + vehicle.getYear();
        urlParameters += "&vehicle-mileage" + vehicle.getMileage();
        urlParameters += "&vehicle-vin" + vehicle.getVin();
        urlParameters += "&vehicle-license-no" + vehicle.getLicenseNumber();

        connection.setRequestProperty("Content-Length", "" + urlParameters.getBytes().length);
        connection.setUseCaches(false);
        OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
        writer.write(urlParameters);
        writer.flush();
        writer.close();

        int responseCode = connection.getResponseCode();
        if (responseCode == 201) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

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

            JSONObject json = new JSONObject(response.toString());
            return new Deserializer().deserializeVehicle(json, response.toString());
        } else if (responseCode == 400) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getErrorStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
            throw new IOException(response.toString());
        } else {
            throw new IOException("Got response code: " + responseCode);
        }
    }

    public String login(String username, String password) throws IOException {
        URL requestURL = new URL(loginURL);
        HttpURLConnection connection = (HttpURLConnection) requestURL.openConnection();
        connection.setDoInput(true);
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        connection.setRequestProperty("charset", "utf-8");
        String urlParameters = "";
        urlParameters += "username=" + username;
        urlParameters += "&password=" + password;

        connection.setRequestProperty("Content-Length", "" + urlParameters.getBytes().length);
        connection.setUseCaches(false);
        OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
        writer.write(urlParameters);
        writer.flush();
        writer.close();

        int responseCode = connection.getResponseCode();
        if (responseCode == 200) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

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

            return response.toString().trim();
        } else {
            return null;
        }
    }

}