Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package dao; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParser; import entity.Customer; import entity.QuotationRequest; import entity.Vehicle; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.Timestamp; import java.util.ArrayList; import java.util.List; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import util.ConnectionManager; /** * * @author Joanne */ public class VehicleDAO { private final String USER_AGENT = "Mozilla/5.0"; public Vehicle getVehicle(int staffId, String token, int givenId) throws UnsupportedEncodingException, IOException { //Add URL here String url = "http://119.81.43.85/erp/vehicle/get_vehicle_by_id"; HttpClient client = new DefaultHttpClient(); HttpPost post = new HttpPost(url); // add header post.setHeader("User-Agent", USER_AGENT); //Add parameters here List<NameValuePair> urlParameters = new ArrayList<NameValuePair>(); urlParameters.add(new BasicNameValuePair("staff_id", staffId + "")); urlParameters.add(new BasicNameValuePair("token", token)); urlParameters.add(new BasicNameValuePair("id", givenId + "")); post.setEntity(new UrlEncodedFormEntity(urlParameters)); HttpResponse response = client.execute(post); BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent())); StringBuffer result = new StringBuffer(); String line = ""; while ((line = rd.readLine()) != null) { result.append(line); } String str = result.toString(); JsonParser jsonParser = new JsonParser(); JsonElement element = jsonParser.parse(str); JsonObject jobj = element.getAsJsonObject(); JsonElement isSuccess = jobj.get("is_success"); Vehicle vehicle = null; if (isSuccess.getAsString().equals("false")) { return vehicle; } else { jobj = element.getAsJsonObject().getAsJsonObject("payload").getAsJsonObject("vehicle"); JsonElement attElement = jobj.get("id"); int id = attElement.getAsInt(); attElement = jobj.get("make"); String make = attElement.getAsString(); attElement = jobj.get("model"); String model = attElement.getAsString(); attElement = jobj.get("year"); int year = attElement.getAsInt(); attElement = jobj.get("plate_number"); String plateNumber = attElement.getAsString(); attElement = jobj.get("user_id"); int customerID = attElement.getAsInt(); attElement = jobj.get("car_color"); String color = attElement.getAsString(); attElement = jobj.get("type_of_control_of_car"); String control = attElement.getAsString(); vehicle = new Vehicle(id, make, model, year, plateNumber, customerID, color, control); return vehicle; } } public static void main(String[] args) throws IOException { //getVehicle(18, "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", 1); } }