Project Servlet JSP

SimpleJspServletDB/.classpath

+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk1.8.0_91">
+		<attributes>
+			<attribute name="owner.project.facets" value="java"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jst.server.core.container/org.eclipse.jst.server.tomcat.runtimeTarget/Apache Tomcat v9.0 (2)">
+		<attributes>
+			<attribute name="owner.project.facets" value="jst.web"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>
+	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
+	<classpathentry kind="output" path="build/classes"/>
+</classpath>

SimpleJspServletDB/.project

+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>SimpleJspServletDB</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.common.project.facet.core.builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.validation.validationbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
+		<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
+		<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
+	</natures>
+</projectDescription>

SimpleJspServletDB/.settings/.jsdtscope

+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry excluding="**/bower_components/*|**/node_modules/*|**/*.min.js" kind="src" path="WebContent"/>
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.WebProject">
+		<attributes>
+			<attribute name="hide" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.baseBrowserLibrary"/>
+	<classpathentry kind="output" path=""/>
+</classpath>

SimpleJspServletDB/.settings/org.eclipse.jdt.core.prefs

+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8

SimpleJspServletDB/.settings/org.eclipse.wst.common.component

+<?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
+    <wb-module deploy-name="SimpleJspServletDB">
+        <wb-resource deploy-path="/" source-path="/WebContent" tag="defaultRootSource"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src"/>
+        <property name="context-root" value="SimpleJspServletDB"/>
+        <property name="java-output-path" value="/SimpleJspServletDB/build/classes"/>
+    </wb-module>
+</project-modules>

SimpleJspServletDB/.settings/org.eclipse.wst.common.project.facet.core.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <runtime name="Apache Tomcat v9.0 (2)"/>
+  <fixed facet="wst.jsdt.web"/>
+  <fixed facet="java"/>
+  <fixed facet="jst.web"/>
+  <installed facet="java" version="1.8"/>
+  <installed facet="jst.web" version="3.1"/>
+  <installed facet="wst.jsdt.web" version="1.0"/>
+</faceted-project>

SimpleJspServletDB/.settings/org.eclipse.wst.jsdt.ui.superType.container

+org.eclipse.wst.jsdt.launching.baseBrowserLibrary
\ No newline at end of file

SimpleJspServletDB/.settings/org.eclipse.wst.jsdt.ui.superType.name

+Window
\ No newline at end of file

SimpleJspServletDB/WebContent/META-INF/MANIFEST.MF

+Manifest-Version: 1.0
+Class-Path: 
+

SimpleJspServletDB/WebContent/book.jsp

+<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
+    pageEncoding="ISO-8859-1"%>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Insert title here</title>
+</head>
+<body>
+	<form action="Book.do" method="post">
+        <fieldset>
+            <div>
+                <label for="bookId">Book Id</label> <input type="text"
+                    name="bookId" value="<c:out value="${book.bookId}" />"
+                    readonly="readonly" placeholder="Book Id" />
+            </div>
+            <div>
+                <label for="title">Book Title</label> <input type="text"
+                    name="title" value="<c:out value="${book.title}" />"
+                    placeholder="Book Title" />
+            </div>
+            <div>
+                <label for="author">Author</label> <input type="text"
+                    name="author" value="<c:out value="${book.author}" />"
+                    placeholder="Author" />
+            </div>
+            <div>
+                <label for="isbn">ISBN</label> <input type="text" name="isbn"
+                    value="<c:out value="${buku.isbn}" />" placeholder="ISBN" />
+            </div>
+            <div>
+                <label for="stock">Stock</label> <input type="text" name="stock"
+                    value="<c:out value="${book.stock}" />" placeholder="Stock" />
+            </div>
+            <div>
+                <input type="submit" value="Submit" />
+            </div>
+        </fieldset>
+    </form>
+</body>
+</html>
\ No newline at end of file

SimpleJspServletDB/WebContent/bookList.jsp

+<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
+    pageEncoding="ISO-8859-1"%>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Insert title here</title>
+</head>
+<body>
+	<table>
+        <thead>
+            <tr>
+                <th>Book Id</th>
+                <th>Title</th>
+                <th>Author</th>
+                <th>ISBN</th>
+                <th>Stock</th>
+                <th colspan="2">Action</th>
+            </tr>
+        </thead>
+        <tbody>
+            <c:forEach items="${books}" var="book">
+                <tr>
+                    <td><c:out value="${book.bookId}" /></td>
+                    <td><c:out value="${book.title}" /></td>
+                    <td><c:out value="${book.author}" /></td>
+                    <td><c:out value="${book.isbn}" /></td>
+                    <td><c:out value="${book.stock}" /></td>
+                    <td><a
+                        href="Book.do?action=edit&bookId=<c:out value="${book.bookId}"/>">Update</a></td>
+                    <td><a
+                        href="Book.do?action=delete&bookId=<c:out value="${book.bookId}"/>">Delete</a></td>
+                </tr>
+            </c:forEach>
+        </tbody>
+    </table>
+    <p>
+        <a href="Book.do?action=insert">Add Book</a>
+    </p>
+</body>
+</html>
\ No newline at end of file

SimpleJspServletDB/WebContent/index.jsp

+<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
+    pageEncoding="ISO-8859-1"%>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Insert title here</title>
+</head>
+<body>
+<jsp:forward page="/Book?action=bookList" />
+</body>
+</html>
\ No newline at end of file

SimpleJspServletDB/build/classes/db.properties

+driver=com.mysql.jdbc.Driver
+url=jdbc:mysql://localhost:3306/library
+user=root
+password=""
\ No newline at end of file

SimpleJspServletDB/library.sql

+create database LibraryDB;
+use LibraryDB;
+grant all on LibraryDB.* to 'admin'@'localhost' identified by 'test'; 
+
+CREATE TABLE LibraryDB.`book` (
+  `bookId` int(11) NOT NULL AUTO_INCREMENT,
+  `title` varchar(45) DEFAULT NULL,
+  `author` varchar(45) DEFAULT NULL,
+  `isbn` varchar(100) DEFAULT NULL,
+  `stock` int(11) DEFAULT NULL,
+  PRIMARY KEY (`bookId`)
+) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8
\ No newline at end of file

SimpleJspServletDB/src/com/library/controller/BookController.java

+package com.library.controller;
+
+import java.io.IOException;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+ 
+import com.library.dao.BookDao;
+import com.library.dao.BookDaoImplementation;
+import com.library.model.Book;
+
+@WebServlet("/Book")
+public class BookController extends HttpServlet 
+{
+	private BookDao dao;
+    private static final long serialVersionUID = 1L;
+    public static final String BOOK_LIST = "/bookList.jsp";
+    public static final String INSERT_OR_EDIT = "/book.jsp";
+ 
+    public BookController() {
+        dao = new BookDaoImplementation();
+    }
+
+	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
+	{
+		String forward = "";
+        String action = request.getParameter( "action" );
+ 
+        if( action.equalsIgnoreCase( "delete" ) ) {
+            forward = BOOK_LIST;
+            int bookId = Integer.parseInt( request.getParameter("bookId") );
+            dao.deleteBook(bookId);
+            request.setAttribute("books", dao.getAllBooks() );
+        }
+        else if( action.equalsIgnoreCase( "edit" ) ) {
+            forward = INSERT_OR_EDIT;
+            int bookId = Integer.parseInt( request.getParameter("bookId") );
+            Book book = dao.getBookById(bookId);
+            request.setAttribute("book", book);
+        }
+        else if( action.equalsIgnoreCase( "insert" ) ) {
+            forward = INSERT_OR_EDIT;
+        }
+        else {
+            forward = BOOK_LIST;
+            request.setAttribute("books", dao.getAllBooks() );
+     
+        }
+        RequestDispatcher view = request.getRequestDispatcher( forward );
+        view.forward(request, response);
+    }
+
+	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException 
+	{
+		Book book = new Book();
+        book.setTitle(request.getParameter("title"));
+        book.setAuthor(request.getParameter("author"));
+        book.setIsbn(request.getParameter("isbn"));
+        book.setStock(Integer.parseInt(request.getParameter("stock")));
+        String bookId = request.getParameter("bookId");
+ 
+        if(bookId == null || bookId.isEmpty() )
+            dao.addBook(book);
+        else 
+        {
+            book.setBookId(Integer.parseInt(bookId));
+            dao.updateBook(book);
+        }
+        RequestDispatcher view = request.getRequestDispatcher(BOOK_LIST);
+        request.setAttribute("students", dao.getAllBooks());
+        view.forward(request, response);
+	}
+}

SimpleJspServletDB/src/com/library/dao/BookDao.java

+package com.library.dao;
+
+import java.util.List;
+import com.library.model.Book;
+
+public interface BookDao 
+{
+	public void addBook(Book book);
+    public void deleteBook(int bookId);
+    public void updateBook(Book book);
+    public List<Book> getAllBooks();
+    public Book getBookById(int bookId);
+}

SimpleJspServletDB/src/com/library/dao/BookDaoImplementation.java

+package com.library.dao;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+
+
+import com.library.model.Book;
+import com.library.util.DbUtil;
+
+public class BookDaoImplementation implements BookDao 
+{
+	private Connection connect;
+	
+	public BookDaoImplementation() 
+	{
+		connect = DbUtil.getConnection();
+	}
+
+	@Override
+	public void addBook(Book book) 
+	{
+		try
+		{
+			String query = "insert into book (title, author, isbn, stock) values (?,?,?,?)";
+			PreparedStatement preparedStatement = connect.prepareStatement(query);
+			preparedStatement.setString(1, book.getTitle());
+			preparedStatement.setString(2, book.getAuthor());
+			preparedStatement.setString(3, book.getIsbn());
+			preparedStatement.setInt(4, book.getStock());
+			preparedStatement.executeUpdate();
+			preparedStatement.close();
+		} catch (SQLException e)
+		{
+			e.printStackTrace();
+		}
+	}
+
+	@Override
+	public void deleteBook(int bookId) 
+	{
+		try
+		{
+			String query = "delete from book where bookId=?";
+			PreparedStatement preparedStatement = connect.prepareStatement(query);
+			preparedStatement.setInt(1, bookId);
+			preparedStatement.executeUpdate();
+			preparedStatement.close();
+		} catch (SQLException e)
+		{
+			e.printStackTrace();
+		}
+	}
+
+	@Override
+	public void updateBook(Book book) 
+	{
+		try
+		{
+			String query = "update book set title=?, author=?, isbn=?, stock=? where isBook=?";
+			PreparedStatement preparedStatement = connect.prepareStatement(query);
+			preparedStatement.setString(1, book.getTitle());
+			preparedStatement.setString(2, book.getAuthor());
+			preparedStatement.setString(3, book.getIsbn());
+			preparedStatement.setInt(4, book.getStock());
+			preparedStatement.setInt(5, book.getBookId());
+			preparedStatement.executeUpdate();
+			preparedStatement.close();
+		} catch (SQLException e)
+		{
+			e.printStackTrace();
+		}
+	}
+
+	@Override
+	public List<Book> getAllBooks() 
+	{
+		List<Book> books = new ArrayList<Book>();
+		try {
+            Statement statement = connect.createStatement();
+            ResultSet resultSet = statement.executeQuery( "select * from book" );
+            while( resultSet.next() ) {
+                Book book = new Book();
+                book.setBookId( resultSet.getInt( "bookId" ) );
+                book.setTitle( resultSet.getString( "title" ) );
+                book.setAuthor( resultSet.getString( "author" ) );
+                book.setIsbn( resultSet.getString( "isbn" ) );
+                book.setStock( resultSet.getInt( "stock" ) );
+                books.add(book);
+            }
+            resultSet.close();
+            statement.close();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+        return books;
+	}
+
+	@Override
+	public Book getBookById(int bookId) 
+	{
+		Book book = new Book();
+        try 
+        {
+            String query = "select * from book where bookId=?";
+            PreparedStatement preparedStatement = connect.prepareStatement(query);
+            preparedStatement.setInt(1, bookId);
+            ResultSet resultSet = preparedStatement.executeQuery();
+            while(resultSet.next()) 
+            {
+                book.setBookId(resultSet.getInt("bookId"));
+                book.setTitle(resultSet.getString("title"));
+                book.setAuthor(resultSet.getString("author"));
+                book.setIsbn(resultSet.getString("isbn"));
+                book.setStock( resultSet.getInt("stock"));
+            }
+            resultSet.close();
+            preparedStatement.close();
+        } catch (SQLException e) 
+        {
+            e.printStackTrace();
+        }
+        return book;
+    }
+		
+}

SimpleJspServletDB/src/com/library/model/Book.java

+package com.library.model;
+
+public class Book {
+	private int bookId;
+	private String title;
+	private String author;
+	private String isbn;
+	private int stock;
+	public int getBookId() {
+		return bookId;
+	}
+	public void setBookId(int bookId) {
+		this.bookId = bookId;
+	}
+	public String getTitle() {
+		return title;
+	}
+	public void setTitle(String title) {
+		this.title = title;
+	}
+	public String getAuthor() {
+		return author;
+	}
+	public void setAuthor(String author) {
+		this.author = author;
+	}
+	public String getIsbn() {
+		return isbn;
+	}
+	public void setIsbn(String isbn) {
+		this.isbn = isbn;
+	}
+	public int getStock() {
+		return stock;
+	}
+	public void setStock(int stock) {
+		this.stock = stock;
+	}
+	
+	@Override
+	public String toString() {
+		return "Book [bookId=" + bookId + ", title=" + title + ", author=" + author + ", isbn="
+				+ isbn + ", stock=" + stock + "]";
+	}
+}

SimpleJspServletDB/src/com/library/util/DbUtil.java

+package com.library.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.Properties;
+
+public class DbUtil 
+{
+	private static Connection connect;
+	 
+    public static Connection getConnection() 
+    {
+        if( connect != null )
+        return connect;
+        InputStream inputStream = DbUtil.class.getClassLoader().getResourceAsStream( "/db.properties" );
+        Properties properties = new Properties();
+        try 
+        {
+            properties.load( inputStream );
+            String driver = properties.getProperty( "driver" );
+            String url = properties.getProperty( "url" );
+            String user = properties.getProperty( "user" );
+            String password = properties.getProperty( "password" );
+            Class.forName( driver );
+            connect = DriverManager.getConnection( url, user, password );
+        } 
+        catch (IOException e) 
+        {
+            e.printStackTrace();
+        } 
+        catch (ClassNotFoundException e) 
+        {
+            e.printStackTrace();
+        } 
+        catch (SQLException e) 
+        {
+            e.printStackTrace();
+        }
+ 
+        return connect;
+    }
+ 
+    public static void closeConnection( Connection toBeClosed ) 
+    {
+        if( toBeClosed == null )
+            return;
+        try 
+        {
+            toBeClosed.close();
+        } 
+        catch (SQLException e) 
+        {
+            e.printStackTrace();
+        }
+    }
+}
\ No newline at end of file

SimpleJspServletDB/src/db.properties

+driver=com.mysql.jdbc.Driver
+url=jdbc:mysql://localhost:3306/library
+user=root
+password=""
\ No newline at end of file