$$config title: 오늘 keywords: - IT - ... $$ package com.asj.exam.board; import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = Container.sc; System.out.println("== 게시판 v 0.1 =="); System.out.println("== 프로그램 시작 =="); while (true) { System.out.printf("명령) "); String cmd = sc.nextLine(); Rq rq = new Rq(cmd); if (rq.getUrlPath().equals("exit")) { break; } else if (rq.getUrlPath().equals("/usr/article/list")) { Container.usrArticleController.actionUsrArticleList(rq); } else if (rq.getUrlPath().equals("/usr/article/detail")) { Container.usrArticleController.actionUsrArticleDetail(rq); } else if (rq.getUrlPath().equals("/usr/article/write")) { Container.usrArticleController.actionUsrArticleWrite(rq); } else { System.out.printf("입력된 명령어 : %s\n", cmd); } } System.out.println("== 프로그램 종료 =="); sc.close(); } } ---- public class UsrArticleController { static int articlesLastId; List

articles; UsrArticleController() { articlesLastId = 0; articles = new ArrayList<>(); makeTestData(); if (articles.size() > 0) { articlesLastId = articles.get(articles.size() - 1).id; } } void makeTestData() { for (int i = 0; i < 100; i++) { int id = i + 1; articles.add(new Article(id, "제목" + id, "내용" + id)); } } public void actionUsrArticleWrite(Rq rq) { System.out.println("- 게시물 등록 -"); System.out.printf("제목 : "); String title = Container.sc.nextLine(); System.out.printf("내용 : "); String body = Container.sc.nextLine(); int id = articlesLastId + 1; articlesLastId = id; Article article = new Article(id, title, body); articles.add(article); System.out.println("생성된 게시물 객체 : " + article); System.out.printf("%d번 게시물이 입력되었습니다.\n", article.id); } public void actionUsrArticleDetail(Rq rq) { Map params = rq.getParams(); if (params.containsKey("id") == false) { System.out.println("id를 입력해주세요."); return; } int id = 0; try { id = Integer.parseInt(params.get("id")); } catch (NumberFormatException e) { System.out.println("id를 정수형태로 입력해주세요."); return; } if (id > articles.size()) { System.out.println("게시물이 존재하지 않습니다."); return; } Article article = articles.get(id - 1); System.out.println("- 게시물 상세내용 -"); System.out.printf("번호 : %d\n", article.id); System.out.printf("제목 : %s\n", article.title); System.out.printf("내용 : %s\n", article.body); } public void actionUsrArticleList(Rq rq) { System.out.println("- 게시물 리스트 -"); System.out.println("--------------------"); System.out.println("번호 / 제목"); System.out.println("--------------------"); Map params = rq.getParams(); // 검색시작 List

filteredArticles = articles; if (params.containsKey("searchKeyword")) { String searchKeyword = params.get("searchKeyword"); filteredArticles = new ArrayList<>(); for (Article article : articles) { boolean matched = article.title.contains(searchKeyword) || article.body.contains(searchKeyword); if (matched) { filteredArticles.add(article); } } } // 검색끝 List

sortedArticles = filteredArticles; boolean orderByIdDesc = true; if (params.containsKey("orderBy") && params.get("orderBy").equals("idAsc")) { orderByIdDesc = false; } if (orderByIdDesc) { sortedArticles = Util.reverseList(sortedArticles); } for (Article article : sortedArticles) { System.out.printf("%d / %s\n", article.id, article.title); } } } --- public class Container { static Scanner sc; static UsrArticleController usrArticleController; static { sc = new Scanner(System.in); usrArticleController = new UsrArticleController(); } } --- public class Rq { private String url; private String urlPath; private Map params; // 필드추가가능 // 수정가능 Rq(String url) { this.url = url; urlPath = Util.getUrlPathFromUrl(this.url); params = Util.getParamsFromUrl(this.url); } // 수정가능, if문 금지 public Map getParams() { return params; } // 수정가능, if문 금지 public String getUrlPath() { return urlPath; } } --- public class Util { // 이 함수는 원본리스트를 훼손하지 않고, 새 리스트를 만듭니다. 즉 정렬이 반대인 복사본리스트를 만들어서 반환합니다. public static List reverseList(List list) { List reverse = new ArrayList<>(list.size()); for (int i = list.size() - 1; i >= 0; i--) { reverse.add(list.get(i)); } return reverse; } static Map getParamsFromUrl(String url) { Map params = new HashMap<>(); String[] urlBits = url.split("\\?", 2); if (urlBits.length == 1) { return params; } String queryStr = urlBits[1]; for (String bit : queryStr.split("&")) { String[] bits = bit.split("=", 2); if (bits.length == 1) { continue; } params.put(bits[0], bits[1]); } return params; } static String getUrlPathFromUrl(String url) { return url.split("\\?", 2)[0]; } } --- public class Article { int id; String title; String body; Article(int id, String title, String body) { this.id = id; this.title = title; this.body = body; } @Override public String toString() { return String.format("{id: %d, title: \"%s\", body: \"%s\"}", id, title, body); } }