refactor: 알림 메시지 후 URL 변경 코드 개선

- 알림 및 url 변경처리 부분을 담당하는 TextHtmlUtil을 만들어 쉽게 설정할 수 있도록 구현

- java warning 해결

- 가독성이 떨어지는 코드 재배치 및 명확한 변수명으로 변경

board-servlet-jsp/board/WebContent/board/boardForm.jsp

@@ -42,7 +42,7 @@
 		<div class="col-8 mb-3">
 			<form action="boardUI" method="get" class="row">
 				<div class="col-4" style="min-width:110px;">
-					<select name="searchType" class="form-select" id="select_searchType" data-searchType=${searchDTO.searchType}>
+					<select name="searchType" class="form-select" id="select_searchType" data-searchType="${searchDTO.searchType}">
 					  <option value="title" id="opt_title">제목</option>
 					  <option value="content" id="opt_content">내용</option>
 					  <option value="name" id="opt_name">작성자</option>

board-servlet-jsp/board/WebContent/board/postDetailForm.jsp

@@ -31,7 +31,7 @@
 
 		<div class="mb-3 col-10">
 			<div class="border mb-3 p-3">
-				<div name="title" class="mb-3" id="title">${boardDTO.title}</div>
+				<div name="title" class="mb-3" id="title"><c:out value="${boardDTO.title}" /></div>
 				<div class="text-end" style="font-size: 0.7rem">
 					<span class="me-3">작성자 <c:out value="${boardDTO.name}" /></span> <span
 						class="me-3">조회 <c:out value="${boardDTO.viewcnt+1}" /></span> <span><c:out
@@ -68,8 +68,8 @@
 						<div class="flex-fill">
 							<div class="d-flex justify-content-between">
 								<div>
-									<span class="me-3"><b>${commentDTO.name}</b></<span>
-												<span class="text-secondary" style="font-size: 0.7rem">${commentDTO.writetime}</<span>
+									<span class="me-3"><b><c:out value="${commentDTO.name}" /></b></span>
+												<span class="text-secondary" style="font-size: 0.7rem"><c:out value="${commentDTO.writetime}" /></span>
 								</div>
 								<div>
 									<c:if test="${not empty login}">
@@ -84,18 +84,18 @@
 											onclick="toggleEditModeComment(${commentDTO.commentid})">수정하기</a>
 										<span class="vr"></span>
 										<a
-											href="CommentDelete?commentid=${commentDTO.commentid}&boardid=${commentDTO.boardid}&id=${commentDTO.id}"
+											href="CommentDeletion?commentid=${commentDTO.commentid}&boardid=${commentDTO.boardid}&id=${commentDTO.id}"
 											class="text-secondary"
 											style="font-size: 0.7rem; text-decoration: none">삭제하기</a>
 									</c:if>
 								</div>
 							</div>
 
-							<div class="p-2" style="white-space: pre-wrap" id="content${commentDTO.commentid}">${commentDTO.content}</div>
+							<div class="p-2" style="white-space: pre-wrap" id="content${commentDTO.commentid}"><c:out value="${commentDTO.content}" /></div>
 
 							<!-- 수정 입력창 -->
 							<div id="updateCmtForm${commentDTO.commentid}" class="d-none">
-								<form action="CommentUpdate" method="post">
+								<form action="CommentEditor" method="post">
 									<div class="input-group">
 										<input type="hidden" name="commentid"
 											value="${commentDTO.commentid}">
@@ -114,7 +114,7 @@
 
 							<!-- 대댓글 입력창 -->
 							<div id="inputReCmt${commentDTO.commentid}" class="d-none">
-								<form action="CommentUpload" method="post">
+								<form action="CommentUploader" method="post">
 									<div class="input-group">
 										<input type="hidden" name="parent_commentid"
 											 value="${commentDTO.commentid}">
@@ -135,7 +135,7 @@
 
 				<c:choose>
 					<c:when test="${not empty login}">
-						<form action="CommentUpload" method="post">
+						<form action="CommentUploader" method="post">
 							<div class="input-group">
 								<input type="hidden" name="boardid" id="boardid"
 									value="${boardDTO.boardid}"> <input type="hidden"

board-servlet-jsp/board/WebContent/board/postEditorForm.jsp

@@ -19,7 +19,7 @@
 			<div class="input-group">
 				<input type="hidden" name="boardid" value="<c:out value='${boardDTO.boardid}'/>" />
 				<span class="input-group-text">제목</span>
-				<input type="text" class="form-control" name="title" id="title" value="${boardDTO.title}" required />
+				<input type="text" class="form-control" name="title" id="title" value="<c:out value='${boardDTO.title}' />" required />
 			</div>
 		</div>
 

board-servlet-jsp/board/WebContent/member/memberRegistrationForm.jsp

@@ -40,7 +40,6 @@
 		</div>
 		<div class="col-12 mt-5">
 			<button class="btn btn-outline-success rounded-3" type="submit">가입하기</button>
-			<button class="btn btn-outline-warning rounded-3" type="reset">취소하기</button>
 		</div>
 	</form>
 </section>

board-servlet-jsp/board/src/com/common/LoginUser.java → board-servlet-jsp/board/src/com/common/LoginUtil.java

@@ -5,10 +5,10 @@
 
 import com.dto.MemberDTO;
 
-public class LoginUser {
+public class LoginUtil {
 	final static String LOGIN_ATTR_STR = "login";
 
-	private LoginUser() {}
+	private LoginUtil() {}
 
 	// 로그인 여부 반환
 	public static boolean isLogin(final HttpServletRequest request) {

board-servlet-jsp/board/src/com/common/TextHtmlUtil.java

@@ -0,0 +1,71 @@
+package com.common;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.http.HttpServletResponse;
+
+import com.common.enums.Location;
+
+public class TextHtmlUtil {
+
+	private TextHtmlUtil() {}
+
+	public static void initReturnTextHtml(final HttpServletResponse response) {
+		response.setCharacterEncoding("utf-8");
+		response.setContentType("text/html");
+	}
+
+	public static void setAlertMessage(final PrintWriter printWriter, final String message) {
+
+		final StringBuilder printScriptBuilder = new StringBuilder();
+		printScriptBuilder.append("<script>alert(\'")
+							.append(message)
+							.append("\')</script>");
+
+		printWriter.println(printScriptBuilder.toString());
+	}
+
+	public static void setLocationHref(final PrintWriter printWriter, final String location) {
+
+		final StringBuilder printScriptBuilder = new StringBuilder();
+		printScriptBuilder.append("<script>location.href=\'")
+							.append(location)
+							.append("\'</script>");
+
+		printWriter.println(printScriptBuilder.toString());
+	}
+
+	public static void setMessageAndLocation(final PrintWriter printWriter, 
+												final String message, 
+												final String location) {
+		setAlertMessage(printWriter, message);
+		setLocationHref(printWriter, location);
+	}
+
+	public static void setNeedLoginLocation(final PrintWriter printWriter) {
+		setAlertMessage(printWriter, "로그인이 필요합니다.");
+		setLocationHref(printWriter, Location.UI_LOGIN_USER.toString());
+	}
+
+	public static void autoProcessNeedLoginLocation(final HttpServletResponse response) throws IOException {
+		initReturnTextHtml(response);
+
+		final PrintWriter printWriter = response.getWriter();
+		setNeedLoginLocation(printWriter);
+
+		printWriter.close();
+	}
+
+	public static void autoProcessMessageAndLocation(final HttpServletResponse response, 
+													final String message, 
+													final String location) throws IOException {
+		initReturnTextHtml(response);
+
+		final PrintWriter printWriter = response.getWriter();
+		setMessageAndLocation(printWriter, message, location);
+
+		printWriter.close();
+	}
+
+}

board-servlet-jsp/board/src/com/common/enums/AlertMessage.java

@@ -6,13 +6,13 @@ public enum AlertMessage {
 
 	SUCCESS_DELETE_POST("게시글 삭제 성공"),
 
-	FAILED_UPDATE_POST("게시글 수정 실패"),
-	SUCCESS_UPDATE_POST("게시글 수정 성공"),
+	FAILED_EDIT_POST("게시글 수정 실패"),
+	SUCCESS_EDIT_POST("게시글 수정 성공"),
 
 	NOT_EXIST_POST("게시글이 존재하지 않습니다."),
 
 	FAILED_UPLOAD_COMMENT("댓글 작성 실패"),
-	FAILED_UPDATE_COMMENT("댓글 수정 실패"),
+	FAILED_EDIT_COMMENT("댓글 수정 실패"),
 
 	FAILED_LOGIN("아이디 또는 비밀번호가 일치하지 않습니다."),
 
@@ -34,7 +34,7 @@ public enum AlertMessage {
 		this.message = message;
 	}
 
-	public String getMessage() {
+	public String toString() {
 		return message;
 	}
 }

board-servlet-jsp/board/src/com/common/enums/Location.java

@@ -0,0 +1,37 @@
+package com.common.enums;
+
+public enum Location {
+	BOARD_JSP("board.jsp"),
+	UI_BOARD("/boardUI"),
+	UI_BOARD_REDIRECT("/board/boardUI"),
+
+	SEARCH_POST("/postSearchServlet"),
+
+	POST_DETAIL_JSP("postDetail.jsp"),
+	UI_POST_DETAIL("/board/postDetailUI"),
+
+	POST_CREATION_JSP("postCreation.jsp"),
+	UI_POST_CREATION("/board/postCreationUI"),
+
+	POST_EDITOR_JSP("postEditor.jsp"),
+
+	LOGIN_USER_JSP("loginUser.jsp"),
+	UI_LOGIN_USER("/board/loginUserUI"),
+
+	MY_PROFILE("myProfile.jsp"),
+	UI_MY_PROFILE("/board/myProfileUI"),
+
+	MEMBER_REGISTRATION_JSP("memberRegistration.jsp"),
+	REGISTER_UI("/board/memberRegistrationUI"),
+	SUCCESS_REGISTER_MEMBER_JSP("registerSuccess.jsp");
+
+	private final String location;
+
+	Location(final String location) {
+		this.location = location;
+	}
+
+	public String toString() {
+		return location;
+	}
+}

board-servlet-jsp/board/src/com/controller/DuplicationNameCkServlet.java

@@ -9,31 +9,31 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import com.common.TextHtmlUtil;
 import com.dto.MemberDTO;
 import com.service.MemberService;
 import com.service.MemberServiceImpl;
 
+@SuppressWarnings("serial")
 @WebServlet("/duplicationNameCk")
 public class DuplicationNameCkServlet extends HttpServlet {
 
 	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
 		final String name = request.getParameter("name");
 
 		final MemberService service = new MemberServiceImpl();
 		final MemberDTO dto = service.getSameNameMember(name);
 
-		response.setContentType("text/plain;charset=utf-8");
+		TextHtmlUtil.initReturnTextHtml(response);
 		final PrintWriter out = response.getWriter();
 
 		if(dto == null) {
 			out.print("success");
-		}else {
-			out.print("fail");
+			return;
 		}
-	}
-
-	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-		doGet(request, response);
+
+		out.print("fail");
 	}
 
 }

board-servlet-jsp/board/src/com/controller/DuplicationUseridCkServlet.java

@@ -9,31 +9,31 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import com.common.TextHtmlUtil;
 import com.dto.MemberDTO;
 import com.service.MemberService;
 import com.service.MemberServiceImpl;
 
+@SuppressWarnings("serial")
 @WebServlet("/duplicationUseridCk")
 public class DuplicationUseridCkServlet extends HttpServlet {
 
 	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
 		final String userid = request.getParameter("userid");
 
 		final MemberService service = new MemberServiceImpl();
 		final MemberDTO dto = service.getSameUseridMember(userid);
 
-		response.setContentType("text/plain;charset=utf-8");
+		TextHtmlUtil.initReturnTextHtml(response);
 		final PrintWriter out = response.getWriter();
 
 		if(dto == null) {
 			out.print("success");
-		}else {
-			out.print("fail");
+			return;
 		}
-	}
-
-	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-		doGet(request, response);
+
+		out.print("fail");
 	}
 
 }