code final

computingConsultaionService/nb-configuration.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project-shared-configuration>
+    <!--
+This file contains additional configuration written by modules in the NetBeans IDE.
+The configuration is intended to be shared among all the users of project and
+therefore it is assumed to be part of version control checkout.
+Without this configuration present, some functionality in the IDE may be limited or fail altogether.
+-->
+    <properties xmlns="http://www.netbeans.org/ns/maven-properties-data/1">
+        <!--
+Properties that influence various parts of the IDE, especially code formatting and the like. 
+You can copy and paste the single properties, into the pom.xml file and the IDE will pick them up.
+That way multiple projects can share the same settings (useful for formatting rules for example).
+Any value defined here will override the pom.xml file value but is only applicable to the current project.
+-->
+        <org-netbeans-modules-maven-j2ee.netbeans_2e_hint_2e_j2eeVersion>1.7-web</org-netbeans-modules-maven-j2ee.netbeans_2e_hint_2e_j2eeVersion>
+        <org-netbeans-modules-maven-j2ee.netbeans_2e_hint_2e_deploy_2e_server>Tomcat</org-netbeans-modules-maven-j2ee.netbeans_2e_hint_2e_deploy_2e_server>
+    </properties>
+</project-shared-configuration>

computingConsultaionService/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" 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>com.computingConsultaionService</groupId>
+    <artifactId>computingConsultaionService</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>war</packaging>
+
+    <name>computingConsultaionService</name>
+
+    <properties>
+        <endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>javax</groupId>
+            <artifactId>javaee-web-api</artifactId>
+            <version>7.0</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.30</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <version>2.5</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet.jsp</groupId>
+            <artifactId>jsp-api</artifactId>
+            <version>2.1</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.6</version>
+        </dependency>
+        <dependency>
+    <groupId>commons-fileupload</groupId>
+    <artifactId>commons-fileupload</artifactId>
+    <version>1.3</version>
+</dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                    <compilerArguments>
+                        <endorseddirs>${endorsed.dir}</endorseddirs>
+                    </compilerArguments>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>3.3.2</version>
+                <configuration>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>2.6</version>
+                <executions>
+                    <execution>
+                        <phase>validate</phase>
+                        <goals>
+                            <goal>copy</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>${endorsed.dir}</outputDirectory>
+                            <silent>true</silent>
+                            <artifactItems>
+                                <artifactItem>
+                                    <groupId>javax</groupId>
+                                    <artifactId>javaee-endorsed-api</artifactId>
+                                    <version>7.0</version>
+                                    <type>jar</type>
+                                </artifactItem>
+                            </artifactItems>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

computingConsultaionService/src/main/java/com/admin/AddProduct.java

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+package com.admin;
+
+import java.io.IOException;
+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 javax.servlet.http.HttpSession;
+
+import com.connection.DatabaseConnection;
+import java.io.File;
+import java.util.List;
+import java.util.Random;
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.FileItemFactory;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+
+
+/**
+ *
+ * @author Dayasagar
+ */
+@WebServlet(name = "AddProduct", urlPatterns = {"/AddProduct"})
+public class AddProduct extends HttpServlet {
+    private final String UPLOAD_DIRECTORY = "D:\\Web_API\\computingConsultaionService\\computingConsultaionService\\src\\main\\webapp\\uploads";
+
+    protected void doPost(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+
+        HttpSession session = request.getSession();
+        if (ServletFileUpload.isMultipartContent(request)) {
+            try {
+
+                FileItemFactory factory = new DiskFileItemFactory();
+
+                ServletFileUpload upload = new ServletFileUpload(factory);
+
+
+                List<FileItem> multiparts = upload.parseRequest(request);
+System.out.println("QWERTYUI "+multiparts);
+                String imageName = null;
+                String itemName = null;
+                String itemQuantity = null;
+                String itemPrice = null;
+                String itemDescription = null;
+
+                String SALTCHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+                StringBuilder salt = new StringBuilder();
+                Random rnd = new Random();
+                while (salt.length() < 3) {
+                    int index = (int) (rnd.nextFloat() * SALTCHARS.length());
+                    salt.append(SALTCHARS.charAt(index));
+                }
+
+                for (FileItem item : multiparts) {
+                    if (!item.isFormField()) {
+                        imageName = new File(item.getName()).getName();
+                        item.write(new File(UPLOAD_DIRECTORY + File.separator + imageName));
+                        FileItem name = (FileItem) multiparts.get(0);
+                        itemName = name.getString();
+                        FileItem quantity = (FileItem) multiparts.get(1);
+                        itemQuantity = quantity.getString();
+                        FileItem price = (FileItem) multiparts.get(2);
+                        itemPrice = price.getString();
+                        FileItem description = (FileItem) multiparts.get(3);
+                        itemDescription = description.getString();
+                    }
+                }
+                try {
+
+                    int id = 0;
+                    String imagePath = UPLOAD_DIRECTORY;
+                    int i = DatabaseConnection.insertUpdateFromSqlQuery("insert into products(id,name,price,quantity,description,image,image_path) values('" + id + "','" + itemName + "','" + itemPrice + "','" + itemQuantity + "','" + itemDescription + "','" + imageName + "','" + imagePath + "')");
+                    if (i > 0) {
+                        String success = "Product added successfully.";
+                        session.setAttribute("message", success);
+                        response.sendRedirect("pages/admin/postLogin/product/adminProductList.jsp");
+                    }
+                } catch (IOException e) {
+                }
+            } catch (Exception ex) {
+                request.setAttribute("message", "Add item Failed due to " + ex);
+            }
+        } else {
+            request.setAttribute("message", "Unable to complete requests");
+        }
+    }
+}

computingConsultaionService/src/main/java/com/admin/AdminSignIn.java

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+package com.admin;
+
+import java.io.IOException;
+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 java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import javax.servlet.http.HttpSession;
+
+import com.connection.DatabaseConnection;
+import java.sql.SQLException;
+/**
+ *
+ * @author Dayasagar
+ */
+@WebServlet(name = "AdminSignIn", urlPatterns= {"/AdminSignIn"})
+public class AdminSignIn extends HttpServlet {
+
+    protected void doPost(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+        try {
+            //Getting all the parameters from the frontend (admin)
+            String email = request.getParameter("email");
+            String pass = request.getParameter("upass");
+            //Retriving our session
+            HttpSession hs = request.getSession();
+
+            //Calling Connection method
+            Connection con = DatabaseConnection.getConnection();
+
+            //Creating Statement
+            Statement st = con.createStatement();
+
+            //Querying inside the database
+            ResultSet resultset = st.executeQuery("select * from admin where email='" + email + "' AND password='" + pass + "'");
+            //If all the details are correct
+            if (resultset.next()) {
+                hs.setAttribute("uname", resultset.getString("name"));
+                //Redirecting admin to dashboard page
+                response.sendRedirect("pages/admin/postLogin/adminDashboard.jsp");
+
+            } else {
+                //If details are wrong
+                String message = "You have enter wrong credentials";
+                hs.setAttribute("credential", message);
+                //Redirecting admin to admin login page
+                response.sendRedirect("pages/admin/adminLogin.jsp");
+            }
+        } catch (IOException | SQLException e) {
+            System.out.println(e);
+        }
+    }
+
+}

computingConsultaionService/src/main/java/com/admin/EditProduct.java

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+package com.admin;
+
+import com.connection.DatabaseConnection;
+import java.io.IOException;
+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 javax.servlet.http.HttpSession;
+
+/**
+ *
+ * @author Dayasagar
+ */
+@WebServlet(name = "EditProduct", urlPatterns = {"/EditProduct"})
+public class EditProduct extends HttpServlet {
+
+    protected void doPost(HttpServletRequest request, HttpServletResponse response)
+            throws ServletException, IOException {
+
+        HttpSession session = request.getSession();
+        try {
+            String itemId = request.getParameter("id");
+            String itemName = request.getParameter("name");
+            String itemQuantity = request.getParameter("quantity");
+            String itemPrice = request.getParameter("price");
+            String itemDescription = request.getParameter("description");
+
+            try {
+                int i = DatabaseConnection.insertUpdateFromSqlQuery("update products set name='" + itemName + "',price='" + itemPrice + "',quantity='" + itemQuantity + "',description='" + itemDescription + "' where id='" + itemId + "'");
+                if (i > 0) {
+                    String success = "Product editted successfully.";
+                    session.setAttribute("message", success);
+                    response.sendRedirect("pages/admin/postLogin/product/adminProductList.jsp");
+                }
+            } catch (IOException e) {
+            }
+        } catch (Exception ex) {
+            request.setAttribute("message", "Edit item Failed due to " + ex);
+        }
+    }
+
+}

computingConsultaionService/src/main/java/com/connection/DatabaseConnection.java

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+package com.connection;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+public class DatabaseConnection {
+
+    //Creating database Connection in java online shopping system
+    public static Connection connection;
+
+    //Creating universal method to open connect will mysql database
+    public static Connection getConnection() {
+        try {
+            //Registering with mysql Driver
+            Class.forName("com.mysql.jdbc.Driver");
+            connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/computingconsltancyservices", "root", "7095");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return (connection);
+    }
+
+    //Creating universal method to close connect will mysql database
+    public static void CloseConnection() {
+        if (connection != null) {
+            try {
+                connection.close();
+                connection = null;
+            } catch (SQLException ex) {
+                ex.printStackTrace();
+            }
+        }
+    }
+
+    //Creating universal method to query for retrieving information
+    public static ResultSet getResultFromSqlQuery(String SqlQueryString) {
+        //Creating Resultset object
+        ResultSet rs = null;
+        try {
+            //Checking whether the connection is null or null
+            if (connection == null) {
+                getConnection();
+            }
+            //Querying the query
+            rs = connection.createStatement().executeQuery(SqlQueryString);
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+        return rs;
+    }
+
+    //Creating universal method to query for inserting or updating information in mysql database
+    public static int insertUpdateFromSqlQuery(String SqlQueryString) {
+        int i = 2;
+        try {
+            //Checking whether the connection is null or null
+            if (connection == null) {
+                getConnection();
+            }
+            //Querying the query
+            i = connection.createStatement().executeUpdate(SqlQueryString);
+
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+        return i;
+    }
+}