Tepes
of controllers:
- · Controller
- AbstractCommandController
- · SimpleFormController
- · WizardFormController
- · MultiActionController
Example
program 3:
//this
program will describes working "AbstractCommandController"validator.:
Login.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>Softech
computer education</title>
<head>
<body>
<form action="login.spring"><pre>
user
name:<input
type="text" name="uname"/>
password
:<input
type="password" name="pass"/>
<input type ="submit" value="login"/>
</pre>
</form>
</body>
</html>
Hugo.jsp
<%@ page language="java"
import="java.util.*" pageEncoding="ISO-8859-1"%>
<html>
<body>
wel come to the softech home
page
user name:<%=request.getParameter("uname") %>
</body>
</html>
UserHome.jsp
<%@ page language="java"
import="java.util.*" pageEncoding="ISO-8859-1"%>
<html>
<body>
wel come to the non softech home page
user name:<%=request.getParameter("uname") %>
</body>
</html>
UserDetails.java
package
madhav;
public class
UserDetails {
private
String uname,pass;
public
String getUname() {
return uname;
}
public void
setUname(String uname) {
this.uname =
uname;
}
public
String getPass() {
return pass;
}
public void
setPass(String pass) {
this.pass =
pass;
}
}
LoginController.java
package
madhav;
import
org.springframework.web.servlet.*;
import
org.springframework.web.servlet.mvc.*;
import org.springframework.validation.*;
import
javax.servlet.http.*;
public class
LoginController extends AbstractCommandController
{
public
ModelAndView handle(HttpServletRequest
req,HttpServletResponse res,Object command,BindException errors)throws
Exception
{
if(errors.hasErrors())
{
PrintWriter
out=res.getWriter();
out.println("errors
has been found");
java.util.List<FieldError>
errorslist=errors.getFieldErrors("uname");
for(FieldError
error:errorslist)
{
out.println(error.getDefaultMessage());
}
errorslist=errors.getFieldErrors("pass");
for(FieldError
error:errorslist)
{
out.println(error.getDefaultMessage());
}
return null;
}
String type;
UserDetails
user=((UserDetails)command);
type=user.getUname();
if(type==null)
return new
ModelAndView("/Login.html");
else if(type.equals("hugo"))
return new
ModelAndView("/hugo.jsp");
else
return new
ModelAndView("/UserHome.jsp");
}
}
Dispatcher-servlet.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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<bean id="mad"
class="madhav.LoginController">
<property name="commandClass">
<value type="java.lang.Class">
madhav.UserDetails
</value>
</property>
<property name="commandName">
<value>UserDetails</value>
</property>
<property name="validatior">
<bean
clss=”madhav.UserValidator”>
</property>
</bean>
<bean id="myurlmapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="/login.spring">mad</prop>
</props>
</property>
</bean>
</beans>
Web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" id="WebApp_ID">
<display-name>speingmvcacc</display-name>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>*.spring</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
</welcome-file-list>
</web-app>
OUT PUT SHORTS:
click hear to download the above example program:
Related topics:
1. spring mvc work flow
2. spring mvc AbstractCommandControllerwork flow
3. Spring MVC AbstractCommandController -Validation
4. Spring MVC SimpleFormController workflow
5. Spring MVC WizardFormController
6. spring MVC annotations sa hai-mvc flow
7. Spring MVC annotations login validation
8. Spring MVC annotations working with form
TUTIORALS FROM MADHAV:
Programm is not downloading and some java code is also missing like uservalidator.java,Adminhome.jsp...etc
ReplyDelete