sourcejavacode: Spring Projects

Sunday, February 1, 2015

Spring Simple Basic HelloWorld Application

Spring Hello World Example Basic Example

Student.java

package com.spring;

public class Student {  
private String name; 
private String Address;
private String Course;
private int Age;
  
public String getCourse() {
 return Course;
}

public void setCourse(String course) {
 Course = course;
}

public int getAge() {
 return Age;
}

public void setAge(int age) {
 Age = age;
}

public String getAddress() {
 return Address;
}

public void setAddress(String address) {
 Address = address;
}

public String getName() {  
    return name;  
}  
  
public void setName(String name) {  
    this.name = name;  
}  
  
public void displayInfo(){  
    System.out.println("Hello: "+name);
    System.out.println("UR Adress :"+Address);
    System.out.println("UR Course :"+Course);
    System.out.println("UR Age :"+Age);
}  
}

MyBeans.xml

<?xml version="1.0" encoding="UTF-8"?>  
<beans  
    xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    xmlns:p="http://www.springframework.org/schema/p"  
    xsi:schemaLocation="http://www.springframework.org/schema/beans  
               http://www.springframework.org/schema/beans/spring-beans-3.2.xsd">  
  
<bean id="sb" class="com.spring.Student">  
<property name="name" value="Naresh Nalla"></property>
<property name="Address" value="Metpally"></property>
<property name="Course" value="Mtech CSE"></property> 
<property name="Age" value="24"></property> 
</bean>  

</beans>

TestCase.java

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import com.spring.Student;
  
public class TestCase {  
public static void main(String[] args) {  
 Resource resource=new ClassPathResource("MyBeans.xml");  
    BeanFactory beans=new XmlBeanFactory(resource);  
      
    Student student=(Student)beans.getBean("sb");  
    student.displayInfo();  
}  
}

Folder Structure to run:

Wednesday, October 15, 2014

Login spring mvc with out jdbc database

Login spring mvc with out jdbc database

UserDAO.java

package com.nrs.spring.dao.dummy;

import com.nrs.spring.dao.UserDAOI;

public class UserDAO implements UserDAOI{

 @Override
 public boolean findUser(String uname, String pass) {
  return (uname.equals("naresh")&&pass.equals("nareshpass"));
 }
 
}

UserHome.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>

<h1> Hello </h1> ${param.uname }

</body>
</html>

LoginForm.html

<!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="login.spring"  >
<pre>
UserName : <input type="text" name="uname">
Password : <input type="password" name="pass" >
<input type="submit" value=Login >
</pre>
</form>

</body>
</html>

LoginController.java

package com.nrs.spring.web;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import com.nrs.spring.dao.UserDAOI;

public class LoginController implements Controller {

  

 @Override
 public ModelAndView handleRequest(HttpServletRequest req,
   HttpServletResponse res) throws Exception {
  
  String uname=req.getParameter("uname");
  String pass=req.getParameter("pass");
  
  boolean flag=udao.findUser(uname,pass);
  System.out.println(flag);
  if(flag){
   return new ModelAndView("/UserHome.jsp");
  }else{
   return new ModelAndView("/LoginForm.html");
   
  }
 }
private UserDAOI udao;
 
 public void setUserDAO(UserDAOI udao) {
   this.udao = udao;
  }
 
 
}

applicationContext-dao-dummy.xml

<beans  
    xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:c="http://www.springframework.org/schema/c"
    xmlns:context="http://www.springframework.org/schema/context"  
    xsi:schemaLocation="http://www.springframework.org/schema/beans  
               http://www.springframework.org/schema/beans/spring-beans.xsd
               http://www.springframework.org/schema/context 
               http://www.springframework.org/schema/context/spring-context.xsd">  

<bean id="udao" class="com.nrs.spring.dao.dummy.UserDAO" />

</beans>

ds-servlet.xml

<beans  
    xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:c="http://www.springframework.org/schema/c"
    xmlns:context="http://www.springframework.org/schema/context"  
    xsi:schemaLocation="http://www.springframework.org/schema/beans  
               http://www.springframework.org/schema/beans/spring-beans.xsd
               http://www.springframework.org/schema/context 
               http://www.springframework.org/schema/context/spring-context.xsd">  
<bean id="/login.spring" class="com.nrs.spring.web.LoginController" p:UserDAO-ref="udao" />

</beans>

web.xml

<web-app>
<servlet>
<servlet-name>ds</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
 <param-name>contextConfigLocation</param-name>
 <param-value>
 /WEB-INF/ds-servlet.xml
 /WEB-INF/applicationContext-dao-dummy.xml
 </param-value>
</init-param>

<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>ds</servlet-name>

<url-pattern>*.spring</url-pattern>
</servlet-mapping>

</web-app>

Output screens:

package com.nrs.spring.dao;

public interface UserDAOI {
 
 boolean findUser(String uname, String pass);

}