class IO - 회원목록/자전거목록 리스트 내부 데이터 정렬

[Jeong-YuJeong]

package kr.or.tashow;

import java.io.*;
import java.util.*;

import static kr.or.tashow.BikeService.bikeList;
import static kr.or.tashow.BikeService.rentList;

public class IO {
	private String fileRoot;

	public IO() {
		fileRoot = "C:\\Bit\\Java\\Labs_J\\";
	}

	void startSystem() {
		File file = new File(fileRoot + "userlist.txt");
		File file2 = new File(fileRoot + "rentlist.txt");
		File file3 = new File(fileRoot + "bikelist.txt");

		if (!file.exists()) {
			writeUserList();
		}
		if (!file2.exists()) {
			writeRentList();
		}
		if (!file3.exists()) {
			writeBikeList();
		}

		FileInputStream fis = null;
		BufferedInputStream bis = null;
		ObjectInputStream ois = null;

		try {
			fis = new FileInputStream(file);
			bis = new BufferedInputStream(fis);
			ois = new ObjectInputStream(bis);

			UserSystem.userList = (HashMap<String, User>) ois.readObject();

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				ois.close();
				bis.close();
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

		try {
			fis = new FileInputStream(file2);
			bis = new BufferedInputStream(fis);
			ois = new ObjectInputStream(bis);

			rentList = (ArrayList<RentList>) ois.readObject();

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				ois.close();
				bis.close();
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

		try {
			fis = new FileInputStream(file3);
			bis = new BufferedInputStream(fis);
			ois = new ObjectInputStream(bis);

			bikeList = (HashMap<String, Bike>) ois.readObject();

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				ois.close();
				bis.close();
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	void writeUserList() {// Filewrite > UserList
		File userList = new File(fileRoot + "userlist.txt");
		FileOutputStream fos = null;
		BufferedOutputStream bos = null;
		ObjectOutputStream oos = null;

		try {
			fos = new FileOutputStream(userList);
			bos = new BufferedOutputStream(fos);
			oos = new ObjectOutputStream(bos);

			oos.writeObject(UserSystem.userList);

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				oos.close();
				bos.close();
				fos.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	void readUserList() {
		File file = new File(fileRoot + "userlist.txt");
		FileInputStream fis = null;
		BufferedInputStream bis = null;
		ObjectInputStream ois = null;

		try {
			fis = new FileInputStream(file);
			bis = new BufferedInputStream(fis);
			ois = new ObjectInputStream(bis);

			UserSystem.userList = (HashMap<String, User>) ois.readObject();
			TreeMap<String, User> userListSort = new TreeMap<String, User>(UserSystem.userList);
			Set<String> keyset = UserSystem.userList.keySet();
			Iterator<String> keyiterator = userListSort.keySet().iterator();

			System.out.println("======== 비트를 타쇼 회원 리스트 =========");

			String userListKey;
			User userListValue;

			while (keyiterator.hasNext()) {
				userListKey = (String) keyiterator.next();
				userListValue = (User) userListSort.get(userListKey);
				System.out.println(userListValue);
			}

			System.out.println("==========================================");

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				ois.close();
				bis.close();
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	void writeBikeList() {
		File file = new File(fileRoot + "bikelist.txt");
		FileOutputStream fos = null;
		BufferedOutputStream bos = null;
		ObjectOutputStream oos = null;

		try {
			fos = new FileOutputStream(file);
			bos = new BufferedOutputStream(fos);
			oos = new ObjectOutputStream(bos);

			oos.writeObject(bikeList);

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				oos.close();
				bos.close();
				fos.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	void readBikeList() {
		File file = new File(fileRoot + "bikelist.txt");
		FileInputStream fis = null;
		BufferedInputStream bis = null;
		ObjectInputStream ois = null;

		try {
			fis = new FileInputStream(file);
			bis = new BufferedInputStream(fis);
			ois = new ObjectInputStream(bis);

			bikeList = (HashMap<String, Bike>) ois.readObject();
			TreeMap<String, Bike> bikeListSort = new TreeMap<String, Bike>(bikeList);
			Set<String> keyset = bikeList.keySet();
			Iterator<String> keyiterator = bikeListSort.keySet().iterator();

			System.out.println("===== 비트를 타쇼 자전거 등록 리스트 =====");

			String bikeListKey;
			Bike bikeListValue;

			while (keyiterator.hasNext()) {
				bikeListKey = (String) keyiterator.next();
				bikeListValue = (Bike) bikeListSort.get(bikeListKey);
				System.out.println("[" + bikeListKey + "]" + bikeListValue);
			}

			System.out.println("==========================================");

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				ois.close();
				bis.close();
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	void writeRentList() {
		File file = new File(fileRoot + "rentlist.txt");
		FileOutputStream fos = null;
		BufferedOutputStream bos = null;
		ObjectOutputStream out = null;

		try {
			fos = new FileOutputStream(file);
			bos = new BufferedOutputStream(fos);
			out = new ObjectOutputStream(bos);
			out.writeObject(rentList);

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				out.close();
				bos.close();
				fos.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	void readRentList() {
		File file = new File(fileRoot + "rentlist.txt");
		FileInputStream fis = null;
		BufferedInputStream bis = null;
		ObjectInputStream ois = null;

		try {
			fis = new FileInputStream(file);
			bis = new BufferedInputStream(fis);
			ois = new ObjectInputStream(bis);

			rentList = (ArrayList<RentList>) ois.readObject();

			for (RentList rent : rentList) {
				System.out.println(rent);
			}

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				ois.close();
				bis.close();
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	void loadRentList() {

		File file = new File(fileRoot + "rentlist.txt");
		FileInputStream fis = null;
		BufferedInputStream bis = null;
		ObjectInputStream ois = null;

		try {
			fis = new FileInputStream(file);
			bis = new BufferedInputStream(fis);
			ois = new ObjectInputStream(bis);

			rentList = (ArrayList<RentList>) ois.readObject();

		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				ois.close();
				bis.close();
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	void deleteBikeList() {
		// 파일의 경로 + 파일명
		File file = new File(fileRoot + "bikelist.txt");
		FileInputStream fis = null;
		BufferedInputStream bis = null;
		ObjectInputStream ois = null;

		File deleteFile = new File(fileRoot + "bikelist.txt");

		// 파일이 존재하는지 체크 존재할경우 true, 존재하지않을경우 false
		if (deleteFile.exists()) {

			// 파일을 삭제합니다.
			deleteFile.delete();

			System.out.println("자전거 리스트를 삭제하였습니다");

		} else {
			System.out.println("파일이 존재하지 않습니다");
		}
		writeBikeList();
	}
}

[Heewon-Seo]

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