Updated the package structure of the project

.classpath

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src/main/java"/>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
@@ -12,10 +17,11 @@
 			<attribute name="org.eclipse.jst.component.dependency" value="/WEB-INF/lib"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="src" output="target/classes" path="src">
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="output" path="target/classes"/>

.gitignore

@@ -1,2 +1,4 @@
-/target/
-/build/
+/target/
+/build/
+.classpath
+.settings

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

@@ -1,16 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
+
+
+    <wb-module deploy-name="onlinebookstore">
+
 
-    <wb-module deploy-name="onlinebookstore-0.0.1-SNAPSHOT">
-
         <wb-resource deploy-path="/" source-path="/target/m2e-wtp/web-resources"/>
-
+
+
         <wb-resource deploy-path="/" source-path="/WebContent" tag="defaultRootSource"/>
-        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
-
-        <property name="context-root" value="onlinebookstore"/>
 
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
+
+
         <property name="java-output-path" value="/onlinebookstore/build/classes"/>
-            
-    </wb-module>
+        <property name="context-root" value="onlinebookstore"/>
+                    
 
+    </wb-module>
+
+
 </project-modules>

pom.xml

@@ -2,13 +2,13 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
-	<groupId>theonlinebookstore</groupId>
-	<artifactId>theonlinebookstore</artifactId>
+	<groupId>onlinebookstore</groupId>
+	<artifactId>onlinebookstore</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<packaging>war</packaging>
 	<build>
-		<sourceDirectory>src</sourceDirectory>
-		<finalName>theonlinebookstore</finalName>
+		<sourceDirectory>src/main/java</sourceDirectory>
+		<finalName>onlinebookstore</finalName>
 		<plugins>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>

src/main/java/config/DBConnection.java

@@ -0,0 +1,39 @@
+package config;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+public class DBConnection {
+	private static Connection con;
+
+	private DBConnection() {
+	};
+
+	static {
+
+		try {
+
+			Class.forName(DatabaseConfig.DRIVER_NAME);
+
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+
+		try {
+
+			con = DriverManager.getConnection(DatabaseConfig.CONNECTION_STRING, DatabaseConfig.DB_USER_NAME,
+					DatabaseConfig.DB_PASSWORD);
+
+		} catch (SQLException e) {
+
+			e.printStackTrace();
+
+		}
+
+	}// End of static block
+
+	public static Connection getCon() {
+		return con;
+	}
+}

src/main/java/config/DatabaseConfig.java

@@ -0,0 +1,14 @@
+package config;
+
+public class DatabaseConfig {
+
+	public static final String DRIVER_NAME ="com.mysql.jdbc.Driver";
+	public static final String DB_HOST = "jdbc:mysql://localhost";
+	public static final String DB_PORT = "3306";
+	public static final String DB_NAME = "onlinebookstore";
+	public static final String DB_USER_NAME = "root";
+	public static final String DB_PASSWORD = "root";
+
+	public static final String CONNECTION_STRING = DB_HOST + ":" + DB_PORT + "/" + DB_NAME;
+
+}

src/main/java/constants/IOnlineBookStoreConstants.java → src/main/java/constants/BookStoreConstants.java

@@ -1,6 +1,6 @@
 package constants;
 
-public interface IOnlineBookStoreConstants {
+public interface BookStoreConstants {
 	public static String CONTENT_TYPE_TEXT_HTML = "text/html";
 
 

src/main/java/sql/IBookConstants.java → src/main/java/constants/db/BooksDBConstants.java

@@ -1,6 +1,6 @@
-package sql;
+package constants.db;
 
-public interface IBookConstants {
+public interface BooksDBConstants {
 
     public static String TABLE_BOOK = "books";
 

src/main/java/sql/IUserContants.java → src/main/java/constants/db/UsersDBConstants.java

@@ -1,6 +1,6 @@
-package sql;
+package constants.db;
 
-public interface IUserContants {
+public interface UsersDBConstants {
 
 	public static String TABLE_USERS = "users";
 

src/main/java/servlets/AddBookServlet.java

@@ -10,25 +10,26 @@
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 
-import constants.IOnlineBookStoreConstants;
-import sql.IBookConstants;
+import config.DBConnection;
+import constants.BookStoreConstants;
+import constants.db.BooksDBConstants;
 
 public class AddBookServlet extends GenericServlet{
 	public void service(ServletRequest req,ServletResponse res) throws IOException,ServletException
 	{
 		PrintWriter pw = res.getWriter();
 
-		res.setContentType(IOnlineBookStoreConstants.CONTENT_TYPE_TEXT_HTML);
+		res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
 
-		String bCode = req.getParameter(IBookConstants.COLUMN_BARCODE);
-		String bName = req.getParameter(IBookConstants.COLUMN_NAME);
-		String bAuthor = req.getParameter(IBookConstants.COLUMN_AUTHOR);
-		int bPrice =Integer.parseInt(req.getParameter(IBookConstants.COLUMN_PRICE));
-		int bQty = Integer.parseInt(req.getParameter(IBookConstants.COLUMN_QUANTITY));
+		String bCode = req.getParameter(BooksDBConstants.COLUMN_BARCODE);
+		String bName = req.getParameter(BooksDBConstants.COLUMN_NAME);
+		String bAuthor = req.getParameter(BooksDBConstants.COLUMN_AUTHOR);
+		int bPrice =Integer.parseInt(req.getParameter(BooksDBConstants.COLUMN_PRICE));
+		int bQty = Integer.parseInt(req.getParameter(BooksDBConstants.COLUMN_QUANTITY));
 
 		try {
 			Connection con = DBConnection.getCon();
-			PreparedStatement ps = con.prepareStatement("insert into " + IBookConstants.TABLE_BOOK + "  values(?,?,?,?,?)");
+			PreparedStatement ps = con.prepareStatement("insert into " + BooksDBConstants.TABLE_BOOK + "  values(?,?,?,?,?)");
 			ps.setString(1, bCode);
 			ps.setString(2, bName);
 			ps.setString(3, bAuthor);

src/main/java/servlets/AdminLoginServlet.java

@@ -4,23 +4,24 @@
 import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpSession;
 
-import constants.IOnlineBookStoreConstants;
-import sql.IUserContants;
+import config.DBConnection;
+import constants.BookStoreConstants;
+import constants.db.UsersDBConstants;
 
 import java.io.*;
 import java.sql.*;
 
 public class AdminLoginServlet extends GenericServlet {
 	public void service(ServletRequest req, ServletResponse res) throws IOException, ServletException {
 		PrintWriter pw = res.getWriter();
-		res.setContentType(IOnlineBookStoreConstants.CONTENT_TYPE_TEXT_HTML);
-		String uName = req.getParameter(IUserContants.COLUMN_USERNAME);
-		String pWord = req.getParameter(IUserContants.COLUMN_PASSWORD);
+		res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
+		String uName = req.getParameter(UsersDBConstants.COLUMN_USERNAME);
+		String pWord = req.getParameter(UsersDBConstants.COLUMN_PASSWORD);
 		try {
 			Connection con = DBConnection.getCon();
-			PreparedStatement ps = con.prepareStatement("SELECT * FROM " + IUserContants.TABLE_USERS + " WHERE  "
-					+ IUserContants.COLUMN_USERNAME + "=? AND " + IUserContants.COLUMN_PASSWORD + "=? AND "
-					+ IUserContants.COLUMN_USERTYPE + "=1");
+			PreparedStatement ps = con.prepareStatement("SELECT * FROM " + UsersDBConstants.TABLE_USERS + " WHERE  "
+					+ UsersDBConstants.COLUMN_USERNAME + "=? AND " + UsersDBConstants.COLUMN_PASSWORD + "=? AND "
+					+ UsersDBConstants.COLUMN_USERTYPE + "=1");
 			ps.setString(1, uName);
 			ps.setString(2, pWord);
 			ResultSet rs = ps.executeQuery();

src/main/java/servlets/BuyBooksServlet.java

@@ -3,18 +3,19 @@
 import java.sql.*;
 import javax.servlet.*;
 
-import constants.IOnlineBookStoreConstants;
-import sql.IBookConstants;
-import sql.IUserContants;
+import config.DBConnection;
+import constants.BookStoreConstants;
+import constants.db.BooksDBConstants;
+import constants.db.UsersDBConstants;
 public class BuyBooksServlet extends GenericServlet{
 	public void service(ServletRequest req,ServletResponse res) throws IOException,ServletException
 	{
 		PrintWriter pw = res.getWriter();
-		res.setContentType(IOnlineBookStoreConstants.CONTENT_TYPE_TEXT_HTML);
+		res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
 		try {
 			Connection con = DBConnection.getCon();
 			//ArrayList<Books> al = new ArrayList<Books>();
-			PreparedStatement ps = con.prepareStatement("Select * from " + IBookConstants.TABLE_BOOK);
+			PreparedStatement ps = con.prepareStatement("Select * from " + BooksDBConstants.TABLE_BOOK);
 			ResultSet rs = ps.executeQuery();
 			RequestDispatcher rd = req.getRequestDispatcher("ViewBooks.html");
 			rd.include(req, res);

src/main/java/servlets/ReceiptServlet.java

@@ -4,16 +4,17 @@
 import java.io.*;
 import javax.servlet.*;
 
-import constants.IOnlineBookStoreConstants;
-import sql.IBookConstants;
+import config.DBConnection;
+import constants.BookStoreConstants;
+import constants.db.BooksDBConstants;
 
 public class ReceiptServlet extends GenericServlet {
 	public void service(ServletRequest req, ServletResponse res) throws IOException, ServletException {
 		PrintWriter pw = res.getWriter();
-		res.setContentType(IOnlineBookStoreConstants.CONTENT_TYPE_TEXT_HTML);
+		res.setContentType(BookStoreConstants.CONTENT_TYPE_TEXT_HTML);
 		try {
 			Connection con = DBConnection.getCon();
-			PreparedStatement ps = con.prepareStatement("select * from " + IBookConstants.TABLE_BOOK);
+			PreparedStatement ps = con.prepareStatement("select * from " + BooksDBConstants.TABLE_BOOK);
 			ResultSet rs = ps.executeQuery();
 			int i = 0;
 			RequestDispatcher rd = req.getRequestDispatcher("ViewBooks.html");
@@ -26,11 +27,11 @@ public void service(ServletRequest req, ServletResponse res) throws IOException,
 							+ "				<th>Quantity</th><br/>\r\n" + "				<th>Amount</th><br/>\r\n" + "			</tr>");
 			double total = 0.0;
 			while (rs.next()) {
-				int bPrice = rs.getInt(IBookConstants.COLUMN_PRICE);
-				String bCode = rs.getString(IBookConstants.COLUMN_BARCODE);
-				String bName = rs.getString(IBookConstants.COLUMN_NAME);
-				String bAuthor = rs.getString(IBookConstants.COLUMN_AUTHOR);
-				int bQty = rs.getInt(IBookConstants.COLUMN_QUANTITY);
+				int bPrice = rs.getInt(BooksDBConstants.COLUMN_PRICE);
+				String bCode = rs.getString(BooksDBConstants.COLUMN_BARCODE);
+				String bName = rs.getString(BooksDBConstants.COLUMN_NAME);
+				String bAuthor = rs.getString(BooksDBConstants.COLUMN_AUTHOR);
+				int bQty = rs.getInt(BooksDBConstants.COLUMN_QUANTITY);
 				i = i + 1;
 
 				String qt = "qty" + Integer.toString(i);
@@ -55,8 +56,8 @@ public void service(ServletRequest req, ServletResponse res) throws IOException,
 						pw.println("<td>" + amount + "</td></tr>");
 						bQty = bQty - quantity;
 						System.out.println(bQty);
-						PreparedStatement ps1 = con.prepareStatement("update " + IBookConstants.TABLE_BOOK + " set "
-								+ IBookConstants.COLUMN_QUANTITY + "=? where " + IBookConstants.COLUMN_BARCODE + "=?");
+						PreparedStatement ps1 = con.prepareStatement("update " + BooksDBConstants.TABLE_BOOK + " set "
+								+ BooksDBConstants.COLUMN_QUANTITY + "=? where " + BooksDBConstants.COLUMN_BARCODE + "=?");
 						ps1.setInt(1, bQty);
 						ps1.setString(2, bCode);
 						ps1.executeUpdate();

src/main/java/servlets/RemoveBookServlet.java

@@ -3,7 +3,8 @@
 import java.sql.*;
 import javax.servlet.*;
 
-import sql.IBookConstants;
+import config.DBConnection;
+import constants.db.BooksDBConstants;
 
 import java.io.*;
 
@@ -15,7 +16,7 @@ public void service(ServletRequest req, ServletResponse res) throws IOException,
 		try {
 			Connection con = DBConnection.getCon();
 			PreparedStatement ps = con.prepareStatement(
-					"delete from " + IBookConstants.TABLE_BOOK + "  where " + IBookConstants.COLUMN_BARCODE + "=?");
+					"delete from " + BooksDBConstants.TABLE_BOOK + "  where " + BooksDBConstants.COLUMN_BARCODE + "=?");
 			ps.setString(1, bkid);
 			int k = ps.executeUpdate();
 			if (k == 1) {