java Filelistener in web service -

java Filelistener in web service -

i trying create webservice send info whenever folder updated.here using interface filelistener. problem interface method not executing code interface method filechanged not executed

public class sendfile implements filelistener { filemonitor monitor=new filemonitor(1000); private static string final; private static final string file_path = "c:\\users\\298637\\desktop\\test1.xml"; private inputstream is; public void send(string msg) { final=msg; } @get @path("/get") @produces("application/xml") public inputstream getfile() { seek { //filemonitor monitor=new filemonitor(1000); monitor.addfile(new file ("d:/uploaded")); monitor.addlistener(new test()); system.out.println(final); = new fileinputstream(file_path); responsebuilder response = response.ok((object) is); response.header("content-disposition","attachment; filename=newfile.xml"); //while(!false); } grab (exception e) { e.printstacktrace(); } homecoming is; } class test implements filelistener { public void filechanged (file file) { system.out.println ("file changed: " + file); monitor.receive(file); } } }

can tell should alter in inorder result

java web-services