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DataFileDBConnector.java
1 2 3 4 5 6 7 8 9 10 11 12 | public class DataFileDBConnector { private File dbFile; public DataFileDBConnector(String path){ dbFile = new File(path); } public File getDbFile() { return dbFile; } } | cs |
MemberDAOImpl.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | public class MemberDAOImpl extends DataFileDBConnector implements MemberDAO{ public MemberDAOImpl(String path) { super(path); } @Override//회원가입 public void create(Member member) throws IOException { BufferedWriter bw = new BufferedWriter(new FileWriter(getDbFile(), true)); bw.write(member.getId() + "," + member.getPassword()); bw.newLine(); bw.close(); } @Override//id로 회원 검색 public Member read(String id) throws IOException,FileNotFoundException { Member member = new Member(); BufferedReader br = new BufferedReader(new FileReader(getDbFile())); String data = null; while((data = br.readLine()) != null){ String[] values = data.split(","); String readId = values[0]; String readPassword = values[1]; if(readId.equals(id)){ member.setId(readId); member.setPassword(readPassword); br.close(); return member; } } br.close(); return null; } } | cs |
MemberServiceImpl.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | public class MemberServiceImpl implements MemberService{ private MemberDAO dao = new MemberDAOImpl("member.txt"); private Integer result = null; @Override public Integer create(Member member) {//회원가입 Member data = new Member(); try{ data = dao.read(member.getId()); if(data != null){// 사용중인 아이디 0 result = 0; } else {// 가입성공 1 dao.create(member); result = 1; } }catch (IOException e) {// File 저장 에러 2 result = 2; } return result; } @Override public Integer check(String id, String password) { Member member = new Member(); try{ member = dao.read(id); if(member == null){// 아이디 없음 4 return 4; }else if(member.getPassword().equals(password)){// 비밀번호 틀림 1 return 1; }else{// 로그인 성공 0 return 0; } }catch (FileNotFoundException e) { // 파일 찾을 수 없음 2 return 2; }catch (IOException e) { // 파일 읽기 오류 3 return 3; } } } | cs |
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