Struts custom controller example..

package com.customController;

import java.io.IOException;

import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter;

import com.dbInitializer.DBInitializer;
import com.propertyReader.PropertyReader;
import com.utility.MailUtil;


/**
 * The Class StrutsSpringDemoController.
 */
public class CustomController extends StrutsPrepareAndExecuteFilter {

/** The logger. */
protected final Log logger = LogFactory.getLog(getClass());

/** The request. */
protected HttpServletRequest request;

/** Initial setup of database when application is deployeed first time on mechine */
static{
try {
DBInitializer.createDBAndTables();
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* Instantiates a new struts spring demo controller.
*/
public CustomController(){
logger.info("Custom controller instantiated..");
}

/* (non-Javadoc)
* @see org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter#init(javax.servlet.FilterConfig)
*/
public void init(FilterConfig filterConfig)
throws ServletException
{
logger.info("Custom controller init..");
super. init(filterConfig) ;
if(DBInitializer.flag){
MailUtil sendMail=new MailUtil();
String mailContent="Hi "+DBInitializer.getFirstname()+" "+DBInitializer.getLastname()+PropertyReader.getProperty("mailContent")+"UserName: "+DBInitializer.getUsername()+"<br/>Password: "+DBInitializer.getPassword()
+PropertyReader.getProperty("mailContentLink")
+PropertyReader.getProperty("mailConetntLinkRef")
+PropertyReader.getProperty("mailContentThankStmt");

if(PropertyReader.getProperty("mailMode").equalsIgnoreCase("orgMail"))
{
sendMail.sendMail(DBInitializer.getEmailid(),PropertyReader.getProperty("mailSubject"),mailContent);
}else{
sendMail.sendMailViaGmail(DBInitializer.getEmailid(),PropertyReader.getProperty("mailSubject"),mailContent);
}
}
}

/* (non-Javadoc)
* @see org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
*/
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
throws IOException, ServletException
{
logger.info("Custom controller doFilter..");
request =(HttpServletRequest)req;
String url = request.getRequestURL().toString();
String servletPath = request.getServletPath();
logger.info("Request data: url= "+url+" and servletPath= "+servletPath);
String currentUrl = request.getRequestURI();
String queryString = request.getQueryString();
String typeOfRequest = request.getHeader("X-Requested-With");
logger.info("Current URL :"+currentUrl+" Query String :"+queryString+" REQUEST TYPE: "+typeOfRequest);
super.doFilter(req, res, chain);
}

/* (non-Javadoc)
* @see org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter#destroy()
*/
public void destroy(){
logger.info("Custom controller destroy..");
super.destroy();
}
}