Struts2 changes the Portlet windowstate

Import Java. Io. ioexception;
Import Java. util. Map;

Import Javax. Portlet. actionrequest;
Import Javax. Portlet. actionresponse;
Import Javax. Portlet. portletexception;
Import Javax. Portlet. portletrequest;
Import Javax. Portlet. portletresponse;
Import Javax. Portlet. renderrequest;
Import Javax. Portlet. renderresponse;
Import Javax. Portlet. windowstate;
Import Javax. servlet. http. httpservletrequest;
Import Javax. servlet. http. httpservletresponse;

ImportOrg. Apache. struts2.portlet. Dispatcher. jsr168dispatcher;
ImportOrg. Apache. struts2.portlet. servlet. portletservletrequest;
ImportOrg. Apache. struts2.portlet. servlet. portletservletresponse;

Public   Class Jsr168comsysdispatcher Extends Jsr168dispatcher {
Private Windowstate = Null ;
Public   Void Processaction (actionrequest request, actionresponse response)
Throws Portletexception, ioexception { // Maximize processing of Portlet
Super . Processaction (request, response );
If (Windowstate ! = Null ){
Response. setwindowstate (windowstate );
Windowstate = Null ;
}
}
Public   Void Render (renderrequest request, renderresponse response)
Throws Portletexception, ioexception {
Super . Render (request, response );
}

Public   Void Serviceaction (portletrequest request, portletresponse response, map < String, Object > Requestmap, map < String, string [] > Parametermap,
Map < String, Object > Sessionmap, map < String, Object > Applicationmap, string portletnamespace,
Integer phase) Throws Portletexception {
Super . Serviceaction (request, response, applicationmap, parametermap, applicationmap, applicationmap, portletnamespace, phase );
Httpservletrequest servletrequest =   New Portletservletrequest (request, getportletcontext ());
Httpservletresponse servletresponse =   New Portletservletresponse (response );
If (Servletrequest. getattribute ( " Windowstate. comsysstatus " ) ! = Null ){
If (Windowstate. maximized). Equals (servletrequest. getattribute ( " Windowstate. comsysstatus " ))){
Windowstate = Windowstate. maximized;
} Else   If (Windowstate. Minimized). Equals (servletrequest. getattribute ( " Windowstate. comsysstatus " ))){
Windowstate = Windowstate. minimized;
} Else   If (Windowstate. Normal). Equals (servletrequest. getattribute ( " Windowstate. comsysstatus " ))){
Windowstate = Windowstate. normal;
} Else {
Windowstate = Null ;
}
} Else {
Windowstate = Null ;< BR >}