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">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<filter-class>
 org.apache.struts2.dispatcher.ng.filter
 .StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping></web-app>

<a href=”fetch”>Fetch userlist data in Database Table</a>

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-
//Apache Software Foundation//DTD 
Struts Configuration 2.1//EN" 
"http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="demo" extends="struts-default">
<action name="fetch" 
class="org.r4r.DeleteUserlistAction">
<result name="success">/fetch.jsp</result>
</action>
<action name="delete" 
class="org.r4r.DeleteUserlistAction" method="delete">
<result name="success" type="chain">fetch</result>
</action>
</package>
</struts>

package org.r4r;
import java.util.*;
public class DeleteUserlistAction {
	private UserList userlist;
	private List<UserList> userlistlist;
	private String name;
	private String namee;
	DAO dao=new DAO();
	public String execute(){
		userlistlist=dao.list();
		return "success";
	}
	public String delete(){
		dao.delete(getName());
		return "success";
	}
	public UserList getUserlist() {
		return userlist;
	}
	public void setUserlist(UserList userlist) {
		this.userlist = userlist;
	}
	public List<UserList> getUserlistlist() {
		return userlistlist;
	}
	public void setUserlistlist(List<UserList> 
		userlistlist) {
		this.userlistlist = userlistlist;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getNamee() {
		return namee;
	}
	public void setNamee(String namee) {
		this.namee = namee;
	}
}

package org.r4r;
public class UserList {
String name;
String address;
String city;
String state;
super();
// TODO Auto-generated constructor stub
}
public UserList(String name, String address,
	String city, String state) {
super();
this.name = name;
this.address = address;
this.city = city;
this.state = state;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(String address) { 
this.address = address;
}
public String getCity() {
return city;
}
public void setCity(String city) { 
this.city = city;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
}

package org.r4r;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
public class DAO {
public List<UserList> list(){
try{
Connection con=ConnectionProvider.getConnection();
PreparedStatement stmt=con.prepareStatement
	("select * from userlist");
ResultSet rset=stmt.executeQuery();
UserList userlist;
List<UserList> list=new ArrayList<UserList>();
while(rset.next()){
userlist=new UserList();
userlist.setName(rset.getString(1));
userlist.setAddress(rset.getString(2));
userlist.setCity(rset.getString(3));
userlist.setState(rset.getString(4));
list.add(userlist);
}
return list;
}catch(Exception e){
System.out.println(e);
}
return null;
}
public boolean delete(String name){
try{
Connection con=ConnectionProvider.getConnection();
PreparedStatement stmt=con.prepareStatement
	("delete from userlist where name=?");
stmt.setString(1,name);
ResultSet rset=stmt.executeQuery();
if(rset.next())
return true;
else
return false;
}catch(Exception e){
System.out.println(e);
}
return false;
}
}

package org.r4r;
import java.sql.*;
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;
}
}

<%@taglib uri="/struts-tags" prefix="s"%>
<table cellpadding="0" cellspacing="0" border="2">
<tr><td>Name</td><td>Address</td><td>City</td>
<td>State</td><td>Delete</td></tr>
<s:iterator value="userlistlist" var="userlist">
<tr>
<td><s:property value="name"/></td>
<td><s:property value="address"/></td>
<td><s:property value="city"/></td>
<td><s:property value="state"/></td>
<td><a href="delete?name=<s:property value='name'/>"
>Delete</a></td>
</tr></s:iterator>
</table>