Validating the user through username and password through servlet

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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? Abstract Security Web Application Initializer; public class Spring Security Initializer extends Abstract Security Web Application Initializer package org.o7planning.springmvcsecurity.config; import org.o7planning.springmvcsecurity.authentication. Row Mapper; public class User Info Mapper implements Row Mapperpackage org.o7planning.impl; import 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

In this login application we will not be connecting to any database, but database access can be easily added to the code to validate the end user.The class will include two private variables - username and password. The following code configuration in the takes care of that: Listing 10: login Controller bean package net.roseindia.web; import org.springframework.validation. Dispatcher Servlet gives a property to add validator for a login request.The class will also include the setter and getter methods for both the username and password properties. Empty Result Data Access Exception; import org.core.support. User Info DAO; import org.o7planning.springmvcsecurity.model. User Info; import org.springframework.beans.factory.annotation. Granted Authority; import org.springframework.authority. Simple Granted Authority; import org.springframework.userdetails.

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