[ch06] 6.7 Exercise #0, Implemented printing the list of projects.

Signed-off-by: Dongho Sim <dhsim86@gmail.com>

src/main/java/Lesson06/MySqlProjectDao.java

@@ -0,0 +1,196 @@
+package Lesson06;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.sql.DataSource;
+
+@Component("projectDao")
+public class MySqlProjectDao implements ProjectDao {
+
+	DataSource dataSource;
+
+	@Override
+	public void setDataSource(DataSource dataSource) {
+		this.dataSource = dataSource;
+	}
+
+	@Override
+	public List<Project> selectList() throws Exception {
+
+		Connection connection = null;
+		Statement stmt = null;
+		ResultSet res = null;
+
+		try {
+
+			connection = dataSource.getConnection();
+
+			stmt = connection.createStatement();
+			res = stmt.executeQuery(
+				"select pno, pname, content, sta_date, end_date, state, cre_date, " +
+				"end_date, state, cre_date, tags " +
+				"from projects " +
+				"order by pno desc"
+			);
+
+			List<Project> projectList = new ArrayList<>();
+
+			while(res.next()) {
+
+				projectList.add(new Project()
+						.setNo(res.getInt("pno"))
+						.setTitle(res.getString("pname"))
+						.setContent(res.getString("content"))
+						.setStartDate(res.getDate("sta_date"))
+						.setEndDate(res.getDate("end_date"))
+						.setState(res.getInt("state"))
+						.setCreatedDate(res.getDate("cre_date"))
+						.setTags(res.getString("tags"))
+				);
+			}
+
+			return projectList;
+		}
+		catch (Exception e) {
+			throw e;
+		}
+		finally {
+            try { if (res != null) res.close(); } catch (Exception e) {}
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+
+            try { if (connection != null) connection.close(); } catch (Exception e) {}
+		}
+	}
+
+	@Override
+	public int insert(Project project) throws Exception {
+
+		Connection connection = null;
+		PreparedStatement stmt = null;
+
+		try {
+
+			connection = dataSource.getConnection();
+			stmt = connection.prepareStatement(
+				"insert into projects(pname, content, sta_date, end_date, state, cre_date, tags)" +
+				" values(?, ?, ?, ?, ?, now()"
+			);
+
+			stmt.setString(1, project.getTitle());
+			stmt.setString(2, project.getContent());
+			stmt.setDate(3, java.sql.Date.valueOf(project.getStartDate().toString()));
+			stmt.setDate(4, java.sql.Date.valueOf(project.getEndDate().toString()));
+			stmt.setInt(5,  project.getState());
+
+			int result = stmt.executeUpdate();
+
+			return result;
+		}
+		catch (Exception e) {
+			throw e;
+		}
+		finally {
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+            try { if (connection != null) connection.close(); } catch (Exception e) {}
+		}
+	}
+
+	@Override
+	public int delete(int no) throws Exception {
+
+		Connection connection = null;
+		PreparedStatement stmt = null;
+
+		try {
+
+			connection = dataSource.getConnection();
+			stmt = connection.prepareStatement(
+				"delete from projects" +
+				" where pno = ?"
+			);
+
+			stmt.setInt(1, no);
+
+			int result = stmt.executeUpdate();
+			return result;
+		}
+		catch (Exception e) {
+			throw e;
+		}
+		finally {
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+            try { if (connection != null) connection.close(); } catch (Exception e) {}
+		}
+	}
+
+	@Override
+	public Project selectOne(int no) throws Exception {
+
+		Connection connection = null;
+		PreparedStatement stmt = null;
+		ResultSet res = null;
+
+		try {
+
+			connection = dataSource.getConnection();
+			stmt = connection.prepareStatement(
+				"select pno, pname, content, sta_date, end_date, state, cre_date, " +
+				"end_date, state, cre_date, tags " +
+				"from projects " +
+				" where = ?"
+			);
+			stmt.setInt(1, no);
+
+			res = stmt.executeQuery();
+			res.next();
+
+			Project project = new Project()
+				.setNo(res.getInt("pno"))
+				.setTitle(res.getString("pname"))
+				.setContent(res.getString("content"))
+				.setStartDate(res.getDate("sta_date"))
+				.setEndDate(res.getDate("end_date"))
+				.setState(res.getInt("state"))
+				.setCreatedDate(res.getDate("cre_date"))
+				.setTags(res.getString("tags"));
+
+			return project;
+		}
+		catch (Exception e) {
+			throw e;
+		}
+		finally {
+            try { if (res != null) res.close(); } catch (Exception e) {}
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+
+            try { if (connection != null) connection.close(); } catch (Exception e) {}
+		}
+	}
+	/*
+	@Override
+	public int update(Project project) throws Exception {
+		
+		Connection connection = null;
+		PreparedStatement stmt = null;
+		
+		try {
+			
+			connection = dataSource.getConnection();
+			stmt = connection.prepareStatement(
+				"update projects "
+			);
+		}
+		catch (Exception e) {
+			throw e;
+		}
+		finally {
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+            try { if (connection != null) connection.close(); } catch (Exception e) {}
+		}
+	}*/
+}

src/main/java/Lesson06/Project.java

@@ -0,0 +1,73 @@
+package Lesson06;
+
+import java.util.Date;
+
+public class Project {
+
+	protected int no;
+	protected String title;
+	protected String content;
+	protected Date startDate;
+	protected Date endDate;
+	protected int state;
+	protected Date createdDate;
+	protected String tags;
+
+	public int getNo() {
+		return no;
+	}
+	public Project setNo(int no) {
+		this.no = no;
+		return this;
+	}
+	public String getTitle() {
+		return title;
+	}
+	public Project setTitle(String title) {
+		this.title = title;
+		return this;
+	}
+	public String getContent() {
+		return content;
+	}
+	public Project setContent(String content) {
+		this.content = content;
+		return this;
+	}
+	public Date getStartDate() {
+		return startDate;
+	}
+	public Project setStartDate(Date startDate) {
+		this.startDate = startDate;
+		return this;
+	}
+	public Date getEndDate() {
+		return endDate;
+	}
+	public Project setEndDate(Date endDate) {
+		this.endDate = endDate;
+		return this;
+	}
+	public int getState() {
+		return state;
+	}
+	public Project setState(int state) {
+		this.state = state;
+		return this;
+	}
+	public Date getCreatedDate() {
+		return createdDate;
+	}
+	public Project setCreatedDate(Date createdDate) {
+		this.createdDate = createdDate;
+		return this;
+	}
+	public String getTags() {
+		return tags;
+	}
+	public Project setTags(String tags) {
+		this.tags = tags;
+		return this;
+	}
+
+}

src/main/java/Lesson06/ProjectDao.java

@@ -0,0 +1,16 @@
+package Lesson06;
+
+import java.util.List;
+
+import javax.sql.DataSource;
+
+public interface ProjectDao {
+
+	public void setDataSource(DataSource dataSource);
+
+	List<Project> selectList() throws Exception;
+	public int insert(Project project) throws Exception;
+	public int delete(int no) throws Exception;
+	public Project selectOne(int no) throws Exception;
+	//public int update(Project project) throws Exception;
+}

src/main/java/Lesson06/ProjectListController.java

@@ -0,0 +1,21 @@
+package Lesson06;
+
+import java.util.Map;
+
+@Component("/project/list.do")
+public class ProjectListController implements Controller {
+
+	ProjectDao projectDao;
+
+	public ProjectListController setProjectDao(ProjectDao projectDao) {
+		this.projectDao = projectDao;
+		return this;
+	}
+
+	@Override
+    public String execute(Map<String, Object> model) throws Exception {
+
+		model.put("projectList", projectDao.selectList());
+		return "/Lesson06/ProjectList.jsp";
+	}
+}

src/main/webapp/Lesson06/ProjectList.jsp

@@ -0,0 +1,47 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ page import="Lesson06.Project" %>
+<%@ page import="java.util.List" %>
+<%@ page import="java.util.ArrayList" %>
+
+<!DOCTYPE html>
+<html>
+
+<head>
+    <title>Project List</title>
+</head>
+
+<body>
+    <jsp:include page="../Lesson05/Header.jsp"/>
+    <h1> Project List </h1>
+
+    <p><a href='add.do'> New Project </a>
+
+    <table border="1">
+        <tr>
+            <th> Number </th>
+            <th> Title </th>
+            <th> Start Date </th>
+            <th> End Date </th>
+            <th> Status </th>
+            <th> </th>
+        </tr>
+
+        <c:forEach var="project" items="${projectList}">
+            <tr>
+                <td> ${project.no} </td>
+                <td> <a href="update.do?no=${project.no}">${project.title}</a> </td>
+                <td> ${project.startDate} </td>
+                <td> ${project.endDate} </td>
+                <td> ${project.state} </td>
+                <td> <a href="delete.do?no=${project.no}">[Delete]</a>
+            </tr>
+        </c:forEach>
+
+    </table>
+
+    <jsp:include page="../Lesson05/Tail.jsp"/>
+
+</body>
+
+</html>