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Thursday, 4 October 2012

spring mvc example programs by madhav


TUTIORALS FROM MADHAV:


     JAVA-SERVLETS     JAVA-JDBC     JAVA-JSP       HIBERNATE-SHCEMABASED 

    SPRING-AOP-ANNOTATIONS      SPRING -DAO     SPRIN-MVC     SPRING-SECUTITY  



SPRING MVC:

Example program1:
// this program will describes the mvc work flow
Index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>

<html>
  <head>
   
 </head>
 
  <body>
    This is my JSP page. <br>
    <a href="hai.spring">click hear to call haicontroller</a>
  </body>
</html>


Hai.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>

<html>
  <head>
   
 </head>
<body>
    hai welcome to hugo tc <br>
  </body>
</html>

HaiController.java

package madhav;
import org.springframework.web.servlet.*;
import org.springframework.web.servlet.mvc.*;
import org.springframework.validation.*;

mport javax.servlet.http.*;

public class HaiController implements Controller{

            public ModelAndView handleRequest(HttpServletRequest req,HttpServletResponse res)throws Exception
            {

                                                return new ModelAndView("/Hai.jsp");
                                   
            }

}

dispatchr-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.HaiController">
               </bean>
                <bean id="myurlmapping" class="
org.springframework.web.servlet.handler.
SimpleUrlHandlerMapping">
                <property name="mappings">
                   
                <props>
                <prop key="/hai.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.jsp</welcome-file>
</welcome-file-list>
</web-app>

OUT PUT SORTS:




 

click hear to download the above example program 


Types of Mapping handlers:

·         BeanNameUrlHandlerMapping

·         SimpleUrlHandlerMapping

·         ControllerClassNameHandlerMapping

 



BeanNameUrlHandlerMapping:

 class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping ">
                <bean id="/hai.spring" class="madhav.HaiController">
               </bean>

                </bean>


SimpleUrlHandlerMapping:

Ex-code:
<bean id="mad" class="madhav.HaiController">
                </bean>
                <bean id="myurlmapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
                <property name="mappings">
                   
                <props>
                <prop key="/hai.spring">mad</prop>
                </props>
                </property>
                </bean>
 

ControllerClassNameHandlerMapping:

                <bean id="myurlmapping" class="org.springframework.web.servlet.handler.ControllerClassNameHandlerMapping">
               
                </bean>

<bean id="mad" class="madhav.HaiController">
                </bean>


rlpatther:
URL: <Contextpath>/Hai


Tepes of controllers:

·         Controller
AbstractCommandController
·         SimpleFormController
·         WizardFormController
·         MultiActionController


 
Example program 2:
//this program will describes using the “AbstractCommandController”;


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
                {
                                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>
                </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:



Example program 3:
//this program will describes working 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:









Example program 4:

//this program will describes using  simpleformcontroler

index.html:
<!DOCTYPE html>
<html>
  <head>
    <title>indexl.html</title>
               
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="this is my page">
    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
   
    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->

  </head>
 
  <body>
    This is my HTML page. <br>
    <a href="">click hear for SimpleFsormController</a>
  </body>
</html>


FormDetials.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
                pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<!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>Registration Page</title>
</head>
<body bgcolor="pink">

<form:form method="POST" commandName="user">
                <table>
                                <tr>
                                                <td>Enter Ur Name :</td>
                                                <td><form:input path="name" /></td>
                                </tr>
               
                               
                                <tr>
                                                <td>Enter Address</td>
                                                <td><form:input path="address" /></td>
                                </tr>
                               
                                <tr>
                                                <td>Enter Mail ID</td>
                                                <td><form:input path="mailId" /></td>
                                </tr>
                                <tr>
                                                <td colspan="2"><input type="submit" value="submit"></td>
                                </tr>
                </table>
</form:form>

</body>
</html>

SuccessPage.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>Success Page</title>
</head>
<body bgcolor="gray">
Your Details
<hr>
User Name   : ${user.name} <br/>
Address  : ${user.address} <br/>
Mail Id  : ${user.mailId}  <br/>

</body>
</html>


Stuednt.java
package madhav;

public class Student {

                private String name;
                private String address;
                private String mailId;
               
               
                public String getName() {
                                return name;
                }
                public void setName(String name) {
                                this.name = name;
                }

                public void setAddress(String address) {
                                this.address = address;
                }
                public String getAddress() {
                                return address;
                }
                public void setMailId(String mailId) {
                                this.mailId = mailId;
                }
                public String getMailId() {
                                return mailId;
                }
               
}


Controler.java
package madhav;


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


@SuppressWarnings("deprecation")
public class Controller extends SimpleFormController {

                public Controller()               {
                                setCommandClass(Student.class);
                                System.out.println("Student controller");
                                setCommandName("user");
                                System.out.println("user");
                }             
                protected ModelAndView onSubmit(Object command) throws Exception {
                                Student user = (Student) command;
                                //userService.add(user);
                                System.out.println("model and view");
                                return new ModelAndView("SuccessPage","user",user);
                               
                }
               
}


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"
                xmlns:p="http://www.springframework.org/schema/p"
                xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

                <bean id="viewResolver"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver"
                                  p:prefix="/WEB-INF/jspfiles/" p:suffix=".jsp" />
   
                <bean name="/userRegistration.htm" class="madhav.Controller"
                 p:formView="FormDetails" p:successView="SuccessPage"/>
               
               
               
</beans>


Web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>SpringExample6</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>*.htm</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>redirect.jsp</welcome-file>
  </welcome-file-list>
</web-app>


OUT PUT SHORTS:






Ex 5:
// this example program willdescribes- MultiActionController



Index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
   
    <title>My JSP 'index.jsp' starting page</title>
               
                <link rel="stylesheet" type="text/css" href="styles.css">
                -->
  </head>
 
  <body bgcolor="wheat">
   This is my JSP page. <br>
    <a href="sayHai.spring">click hea to say hai</a><br>
     <a href="sayBye.spring">click hear to say bye</a><br>
      <a href="login.spring">click hear for login into softech </a><br>
  </body>
</html>


Hai.jsp
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
   
    <title>My JSP 'Hai.jsp' starting page</title>
   
               
                <link rel="stylesheet" type="text/css" href="styles.css">
                -->

  </head>
 
  <body bgcolor="wheat">
    hai this is madhav <br>welcome to softech<br>
  </body>
</html>


Login.jsp
<!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 bgcolor="wheat">
<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>

Bte.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
   
    <title>My JSP 'Bye.jsp' starting page</title>
   
               
                <link rel="stylesheet" type="text/css" href="styles.css">
                -->

  </head>
 
  <body bgcolor="wheat">
    Bye...............<br>
  </body>
</html>

StudentController.java


package madhav;
import org.springframework.web.servlet.*;
import org.springframework.web.servlet.mvc.*;
import org.springframework.web.servlet.mvc.multiaction.MultiActionController;
import org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver;
import org.springframework.validation.*;

import javax.servlet.http.*;

public class StudentController extends MultiActionController{

                public ModelAndView sayHai(HttpServletRequest req,HttpServletResponse res)throws Exception
                {
                                                                return new ModelAndView("/Hai");
                }
                public ModelAndView sayBye(HttpServletRequest req,HttpServletResponse res)throws Exception
                {
                                                                return new ModelAndView("/Bye");
                }
                public ModelAndView login(HttpServletRequest req,HttpServletResponse res)throws Exception
                {
                                String type=(String)req.getParameter("name");
                                if(type==null)
                                                return new ModelAndView("/Login");
                                                else if(type.equals("hugo"))
                                                                return new ModelAndView("/hugo");
                                                else
                                                                return new ModelAndView("/UserHome");
                }
}




Servlet-dispatcher.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-2.0.xsd">
               
               
<bean id="viewResolver"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver"
                                  p:prefix="/WEB-INF/jspfiles/" p:suffix=".jsp" />

    <bean name="/*.spring" class="madhav.StudentController">
                   </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.jsp</welcome-file>
</welcome-file-list>
</web-app>



Output screens:








click hear to download the above example program

TUTIORALS FROM MADHAV:


     JAVA-SERVLETS     JAVA-JDBC     JAVA-JSP       HIBERNATE-SHCEMABASED 

    SPRING-AOP-ANNOTATIONS      SPRING -DAO     SPRIN-MVC     SPRING-SECUTITY