The mapping for the ActionServlet class is written in the web.xml file so we have to change it for mapping our CustomActionServlet class.
<?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">
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>com.visualbuilder.CustomActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
(3)CustomActionServlet.java file
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This is the file which is the replaces the Struts Controller class. We extends the Struts ActionServlet to get the default behaviour and override the process method.
package com.visualbuilder;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionServlet;
public class CustomActionServlet extends ActionServlet {
private static final long serialVersionUID = 1L;
public void process(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
//TODO You can put the Code before the request handling.
System.out.println("Before Handling Request");
super.process(request,response);
//TODO You can put the Code after the request handling.
System.out.println("After Handling Request");
}
}
(4)InputForm.java file
package com.visualbuilder;
import org.apache.struts.validator.ValidatorForm;
public class InputForm extends ValidatorForm {
String name;
String email;
String phone;
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
}
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Customizing the ActionServlet Class for the application-1.
