Struts

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
xmlns="http://java.sun.com/xml/ns/javaee" 
xmlns:xsi="http://www.w3.org/2001
/XMLSchema-instance" 
xsi:schemaLocation="http://java.sun.com
/xml/ns/javaee 
http://java.sun.com/xml/ns/javaee
/web-app_2_5.xsd">
  <filter>
  <filter-name>f1</filter-name>
  <filter-class>org.apache.struts2.dispatcher
  .FilterDispatcher</filter-class>
  </filter>
  <filter-mapping>
  <filter-name>f1</filter-name>
  <url-pattern>/*</url-pattern>
  </filter-mapping>
  <listener>
  <listener-class>org.apache.struts2.tiles.
  StrutsTilesListener</listener-class>
  </listener>
</web-app>

tiles.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE tiles-definitions PUBLIC
"-//Apache Software Foundation
//DTD Tiles Configuration 2.0//EN"
"http://struts.apache.org/dtds
/tiles-config_2_0.dtd">
 <tiles-definitions>
<definition name="hello" template="/MyLayout.jsp">
<put-attribute name="title" value="Welcome Page"/>
<put-attribute name="header" value="/header.jsp"/>
<put-attribute name="footer" value="/footer.jsp"/>
<put-attribute name="content" value="/hello.jsp"/>
</definition>
<definition name="relogin" template="/MyLayout.jsp">
<put-attribute name="title" value="Login Error"/>
<put-attribute name="header" value="/header.jsp"/>
<put-attribute name="footer" value="/footer.jsp"/>
<put-attribute name="content" value="/relogin.jsp"/>
</definition>
</tiles-definitions>

struts.xml

<!DOCTYPE struts PUBLIC 
"-//Apache Software Foundation
//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="demo" extends="tiles-default">
<action name="login" class="mypack.LoginAction">
<result name="success" type="tiles">hello
</result>
<result name="failure" type="tiles">relogin
</result>
</action>
</package>
</struts>

LoginAction.java

package mypack;
public class LoginAction {
String name,password;
    public String execute(){
    UserDao dao=new UserDao();
    if(dao.findUser(name,password))
    return "success";
    else
    return "failure";
    }
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}

UserDao.java

package mypack;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
public class UserDao {
public boolean findUser(String name,
	String password)
{
try{
Connection con=ConnectionProvider.getConnection();
System.out.println("connection con====="+con);
PreparedStatement stmt=con.prepareStatement
("select * from userInfo where name=? and password=?" );
stmt.setString(1,name);
stmt.setString(2,password);
ResultSet rset=stmt.executeQuery();
if(rset.next())
return true;
else
return false;
}catch(Exception e)
{
System.out.println(e);	
}
return false;
}
}

ConnectionProvider.java

package mypack;
import java.sql.Connection;
import java.sql.DriverManager;
public class ConnectionProvider {
public static Connection getConnection()
{
Connection con=null;
try{
Class.forName("oracle.jdbc.driver.OracleDriver");
con=DriverManager.getConnection
("jdbc:oracle:thin:@localhost:1521:xe","system",
	"system");
}catch(Exception e)
{
System.out.println(e);
}
return con;
}
}

index.jsp

<%@taglib uri="/struts-tags" prefix="s"%>
<s:form action="login">
<s:textfield name="name" label="Name"/>
<s:password name="password"
label="Password"/>
<s:submit value="Login"/>
</s:form>

header.jsp

<html>
<head></head>
<body><center>
<H1><font color="red">
Welcome R4R Header Page</font></H1>
</center></body></html>

footer.jsp

<html>
<head></head>
<body><center><h1><font color="red">
This R4R footer Page
</font></h1></center></body></html>

hello.jsp

<%@taglib uri="/struts-tags" prefix="s"%>
 <b>Welcome, <s:property value="name"/></b>

MyLayout.jsp

<%@ taglib uri="http://tiles.apache.org
/tags-tiles" prefix="tiles"%>
<html>
<head><title><tiles:getAsString name="title"/>
</title></head>
<body>
<table width="100%" height="100%" border="1" 
bgcolor="c0c0c0">
<tr><td width="100%" height="10%">
<tiles:insertAttribute name="header"/>
</td></tr>
<tr><td width="100%" height="80%">
<tiles:insertAttribute name="content"/>
</td></tr>
<tr><td width="100%" height="10%">
<tiles:insertAttribute name="footer"/>
</td></tr>
</table>
</body>
</html>

relogin.jsp

<html><head></head><body><center><font 
color="red">
<b>Invalid UserName and Password !</b>
<jsp:include page="index.jsp"/></font>
</center></body></html>