코로나 마스크 앱 만들기

Main 스택이 표함된 메인클래스

 

 

package Airplane;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

import com.google.gson.Gson;

import Airplane.FlightInfo;

public class FlightApp {

	public static int getTotalCount(String depAirportId, String arrAirportId, long depPlandTime) {
		try {
			// 1번 주소 객체 만들기
			URL url = new URL(
					"http://openapi.tago.go.kr/openapi/service/DmstcFlightNvgInfoService/getFlightOpratInfoList?serviceKey=TYJuOuhQd%2BPQB9hRLr96SDnMNeegd0U3g9mOpBpumr6DwZ6sgto5MjcX%2F8rUKaIKC3AHWmO4gTEHK39cCxwLug%3D%3D&numOfRows=50&pageNo=1&depAirportId="
							+ FlightInfoService.airPortId.get(depAirportId) + "&arrAirportId="
							+ FlightInfoService.airPortId.get(arrAirportId) + "&depPlandTime=" + depPlandTime
							+ "&_type=json");

			// 2번 스트림 연결
			HttpURLConnection con = (HttpURLConnection) url.openConnection();

			// 3번 버퍼연결(문자열)
			BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));

			// FileWriter fr = new FileWriter("c:\\utils\\test.html"); //파일에 스트림을 연결한 것

			// 4번 문자 더하기 (중요)
			StringBuilder sb = new StringBuilder();

			String input = "";
			while ((input = br.readLine()) != null) {
				sb.append(input);
			}

			System.out.println(sb.toString());
			System.out.println();

			br.close(); // 버퍼 닫기
			con.disconnect(); // 스트림 닫기

			// 5. 자바 오브젝트로 변환
			Gson gson = new Gson();
			FlightInfo flightInfo = gson.fromJson(sb.toString(), FlightInfo.class);

			return flightInfo.getResponse().getBody().getTotalCount();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return 0;
	}

	public static FlightInfo getFlightInfo(String depAirportId, String arrAirportId, long depPlandTime, int page) {
		// 1번 주소 객체 만들기
		try {
			URL url = new URL(
					"http://openapi.tago.go.kr/openapi/service/DmstcFlightNvgInfoService/getFlightOpratInfoList?serviceKey=BTERlPQquIzWPNPwhyG74H1Q%2FoDrHpnubL%2FXCu%2FHneA%2BYSKX%2FstOJrcTUGI7BZX%2BClPcZ8DgeT5h2SAfhqvr6w%3D%3D&numOfRows=50&pageNo="
							+ page + "&depAirportId=" + FlightInfoService.airPortId.get(depAirportId) + "&arrAirportId="
							+ FlightInfoService.airPortId.get(arrAirportId) + "&depPlandTime=20200407&_type=json");

			// 2번 스트림 연결
			HttpURLConnection con = (HttpURLConnection) url.openConnection();

			// 3번 버퍼연결(문자열)
			BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));

			// FileWriter fr = new FileWriter("c:\\utils\\test.html"); //파일에 스트림을 연결한 것

			// 4번 문자 더하기 (중요)
			StringBuilder sb = new StringBuilder();

			String input = "";
			while ((input = br.readLine()) != null) {
				sb.append(input);
			}

			System.out.println(sb.toString());
			System.out.println();

			br.close(); // 버퍼 닫기
			con.disconnect(); // 스트림 닫기

			Gson gson = new Gson();
			FlightInfo flightInfo = gson.fromJson(sb.toString(), FlightInfo.class);

			return flightInfo;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

	public static void main(String[] args) {
		FlightInfoService.setAirLineId();
		FlightInfoService.setAirPortId();

		for (String key : FlightInfoService.airPortId.keySet()) {// 여기 airportid가 flightinfoservice에 있는 airportid임
			// keyset : 왼쪽에 있는 키값 다 뽑아줌
			System.out.print(key + " ");
		}
		System.out.println();
		System.out.println("출발지를 입력하세요.");
		Scanner sc = new Scanner(System.in);
		String depAirportId = sc.next(); // 김포

		System.out.println("도착지를 입력하세요.");
		String arrAirportId = sc.next();

		System.out.println("출발일자를 입력하세요.");
		String depPlandTimeTemp = sc.next();

		long depPlandTime = Long.parseLong(depPlandTimeTemp);
		Integer depPlandTimeInteger = Integer.parseInt(depPlandTimeTemp);
		Double depPlanTimeDouble = Double.parseDouble(depPlandTimeTemp);

		int page = 1;
		String strTemp = depPlandTime + "";
		String strTemp2 = depPlandTimeInteger.toString();
		String strTemp3 = depPlanTimeDouble.toString();

		int totalCount = getTotalCount(depAirportId, arrAirportId, depPlandTime);

		int count = 0;
		if (totalCount % 50 == 0) {
			count = totalCount / 50;
		} else {
			count = totalCount / 50 + 1;
		}

		ArrayList<FlightInfo> flightInfos = new ArrayList<>();

		for (int i = 0; i < count; i++) {
			FlightInfo flightInfo = getFlightInfo(depAirportId, arrAirportId, depPlandTime, page);
			page++;
			flightInfos.add(flightInfo);
		}

		for (FlightInfo flightInfo : flightInfos) { // 122개-3번
			List<Item> flightItems = flightInfo.getResponse().getBody().getItems().getItem();

			// iterable(반복)
			for (Item item : flightItems) { // foreach문
				System.out.println("항공사 : " + item.getAirlineNm());
				System.out.println("출발지 : " + item.getDepAirportNm());
				System.out.println("도착지 : " + item.getArrAirportNm());
				System.out.println("출발시간 : " + item.getDepPlandTime());
				System.out.println("도착시간 : " + item.getArrPl

 

데이터를 가져올 MaskInfo, StoreInfo 클래스를 만든다.

​

해당 클래스는 공공데이터포털에서 공개된 공적 마스크판매 정보에서 자료를 참고해서 만든다.

​

 

클릭한 결과값을

​

http://www.jsonschema2pojo.org/

불러오는 중입니다...

 

해당 사이트에 복사 붙여넣기하면 파일을 쉽게 만들 수 있다.

 

package covid19;

import java.util.List;

public class MaskInfo {

private long count;
private String page;
private List<StoreInfo> storeInfos = null;
private long totalCount;
private long totalPages;

public long getCount() {
return count;
}

public void setCount(long count) {
this.count = count;
}

public String getPage() {
return page;
}

public void setPage(String page) {
this.page = page;
}

public List<StoreInfo> getStoreInfos() {
return storeInfos;
}

public void setStoreInfos(List<StoreInfo> storeInfos) {
this.storeInfos = storeInfos;
}

public long getTotalCount() {
return totalCount;
}

public void setTotalCount(long totalCount) {
this.totalCount = totalCount;
}

public long getTotalPages() {
return totalPages;
}

public void setTotalPages(long totalPages) {
this.totalPages = totalPages;
}

}

​

package covid19;


public class StoreInfo {

private String addr;
private String code;
private double lat;
private double lng;
private String name;
private String type;

public String getAddr() {
return addr;
}

public void setAddr(String addr) {
this.addr = addr;
}

public String getCode() {
return code;
}

public void setCode(String code) {
this.code = code;
}

public double getLat() {
return lat;
}

public void setLat(double lat) {
this.lat = lat;
}

public double getLng() {
return lng;
}

public void setLng(double lng) {
this.lng = lng;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getType() {
return type;
}

public void setType(String type) {
this.type = type;
}

}