Validating the user through username and password through servlet

If user enters some other username and password combination an error message is displayed. The code of the is: Listing 1: code The should be configured to include the Spring Dispatcher Servlet, the welcome file index.jsp, and the configurations for the spring tag library.

This application also uses the custom validator class to validate the form data. The code for is: Listing 2: code The next step is to create and configure the inside the WEB-INF folder that will have all the configuration beans for handle the user requests.

Login application in Java using servlets, MVC and My SQL database" data-medium-file="https://i0com/krazytech.com/wp-content/uploads/2017/04/Login-application-in-Java-using-MVC-and-My SQL-database.jpg? w=400&ssl=1 400w, https://i2com/krazytech.com/wp-content/uploads/Ceate Table-SQL-script.jpg? resize=300,107&ssl=1 300w" sizes="(max-width: 400px) 100vw, 400px" data-recalc-dims="1"/ //Logout package controller; import

fit=300,133&ssl=1" data-large-file="https://i0com/krazytech.com/wp-content/uploads/2017/04/Login-application-in-Java-using-MVC-and-My SQL-database.jpg? fit=665,294&ssl=1" class="wp-image-5099" src="https://i0com/krazytech.com/wp-content/uploads/2017/04/Login-application-in-Java-using-MVC-and-My SQL-database.jpg? resize=665,294&ssl=1" alt="Login application in Java using MVC and My SQL database" width="665" height="294" srcset="https://i0com/krazytech.com/wp-content/uploads/2017/04/Login-application-in-Java-using-MVC-and-My SQL-database.jpg?

-- Create table create table USERS ( USERNAME VARCHAR2(36) not null, PASSWORD VARCHAR2(36) not null, ENABLED NUMBER(1) not null ) ; alter table USERS add constraint USER_PK primary key (USERNAME); --------------------- -- Create table create table USER_ROLES ( ROLE_ID VARCHAR2(50) not null, USERNAME VARCHAR2(36) not null, USER_ROLE VARCHAR2(30) not null ) ; alter table USER_ROLES add constraint USER_ROLE_PK primary key (ROLE_ID); alter table USER_ROLES add constraint USER_ROLE_UK unique (USERNAME, USER_ROLE); ------------------------------- insert into users (USERNAME, PASSWORD, ENABLED) values ('dbuser1', '12345', 1); insert into users (USERNAME, PASSWORD, ENABLED) values ('dbadmin1', '12345', 1); insert into User_Roles (ROLE_ID, USERNAME, USER_ROLE) values ('1', 'dbuser1', 'USER'); insert into User_Roles (ROLE_ID, USERNAME, USER_ROLE) values ('2', 'dbadmin1', 'ADMIN'); insert into User_Roles (ROLE_ID, USERNAME, USER_ROLE) values ('3', 'dbadmin1', 'USER'); ------------------------------- Commit; -- Create table create table USERS ( USERNAME VARCHAR(36) not null, PASSWORD VARCHAR(36) not null, ENABLED smallint not null ) ; alter table USERS add constraint USER_PK primary key (USERNAME); --------------------- -- Create table create table USER_ROLES ( ROLE_ID VARCHAR(50) not null, USERNAME VARCHAR(36) not null, USER_ROLE VARCHAR(30) not null ) ; alter table USER_ROLES add constraint USER_ROLE_PK primary key (ROLE_ID); alter table USER_ROLES add constraint USER_ROLE_UK unique (USERNAME, USER_ROLE); ------------------------------- insert into users (USERNAME, PASSWORD, ENABLED) values ('dbuser1', '12345', 1); insert into users (USERNAME, PASSWORD, ENABLED) values ('dbadmin1', '12345', 1); insert into User_Roles (ROLE_ID, USERNAME, USER_ROLE) values ('1', 'dbuser1', 'USER'); insert into User_Roles (ROLE_ID, USERNAME, USER_ROLE) values ('2', 'dbadmin1', 'ADMIN'); insert into User_Roles (ROLE_ID, USERNAME, USER_ROLE) values ('3', 'dbadmin1', 'USER'); package org.o7planning.springmvcsecurity.config; import javax.servlet.

String Http Message Converter; import org.servlet.config.annotation. Default Servlet Handler Configurer; import org.servlet.config.annotation. Enable Web Mvc; import org.servlet.config.annotation. Resource Handler Registry; import org.servlet.config.annotation. Web Mvc Configurer Adapter; @Configuration @Enable Web Mvc public class Web Mvc Config extends Web Mvc Configurer Adapter package org.o7planning.springmvcsecurity.config; import org.springframework.context. User Info DAO; import org.o7planning.springmvcsecurity.mapper. User Info Mapper; import org.o7planning.springmvcsecurity.model. User Info; import org.springframework.beans.factory.annotation. Jdbc Dao Support; import org.springframework.stereotype. Service; import org.springframework.transaction.annotation. Transactional; @Service @Transactional public class User Info DAOImpl extends Jdbc Dao Support implements User Info DAO package org.o7planning.springmvcsecurity.authentication; import This Java login application follows MVC architecture and consists of Java servlets, JSPs. You would need to include the dependent JAR (mysql-connector-java.jar) to connect to My SQL server.It uses the My SQL database server to refer to the user details. The model (DAO) consists of application data and business rules, and the controller (Servlet) acts as an interface between views and model. The database name is customers and the table name is users. w=786&ssl=1 786w, https://i0com/krazytech.com/wp-content/uploads/2017/04/Login-application-in-Java-using-MVC-and-My SQL-database.jpg? resize=300,133&ssl=1 300w, https://i0com/krazytech.com/wp-content/uploads/2017/04/Login-application-in-Java-using-MVC-and-My SQL-database.jpg? resize=768,340&ssl=1 768w, https://i0com/krazytech.com/wp-content/uploads/2017/04/Login-application-in-Java-using-MVC-and-My SQL-database.jpg? resize=665,294&ssl=1 665w" sizes="(max-width: 665px) 100vw, 665px" data-recalc-dims="1"/ //Login package controller; import DBConnection; public class Login Dao { public String authenticate User(Login Bean login Bean) We have used the My SQL database server to read user information.

Leave a Reply