Struts 2 Annotations: @ParentPackage
By Arvind Rai,
June 11, 2014
@ParentPackage annotation in struts 2 is used to define different parent struts package. It is annotated on action class. @ParentPackage uses a name which can be declared in struts xml. In this page we will see code snippet how to use @ParentPackage in our struts 2 application. Find one use case to use @ParentPackage. Suppose we need to apply interceptor for different action class. To achieve it, define interceptor inside the package in struts xml as below.
<struts>
<package name="myPackage" namespace="/" extends="struts-default">
<interceptors>
</interceptors>
</package>
<constant name="struts.devMode" value="true" />
</struts>
We can provide any name to the package. The action class needs to be annotated with @ParentPackage to get support for all configuration done inside package in struts xml.
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.convention.annotation.ParentPackage;
@ParentPackage(value ="myPackage")
public class ResultAction extends ActionSupport{
public String execute() {
System.out.println("ResultAction: Inside execute.");
return SUCCESS;
}
}
Parent Package can also be configured in
package-info.java and all the action class of that package will use ParentPackage automatically.
For complete example refer the below URL.
Struts 2 Custom Interceptor Example Using @InterceptorRef Annotation
