I want to add event to the Icalendar threw caldav4j jar classes . Can I do that what would be the event request URL

I want to add / retrieve event to the Icalendar threw caldav4j jar classes . Can I do that what would be the event request URL

Retrieve Events :

HttpClient http = new HttpClient();

http.getState().setCredentials(new AuthScope("p06-caldav.icloud.com", 443,"https"), credentials);

http.getParams().setAuthenticationPreemptive(true);

HostConfiguration hostconfig = http.getHostConfiguration();

hostconfig.setHost("p06-caldav.icloud.com");

hostconfig.setHost("p06-caldav.icloud.com", 443, "https");

CalendarCalDAVReportMethod method = factory1.createCalendarCalDAVReportMethod();

method.setPath("/1809484432/calendars/");

<C:calendar-query xmlns:C="urn:ietf:params:xml:ns:caldav">

<D:prop xmlns:D="DAV:">

<D:getetag/>

<D:allprop/>

<C:calendar-data>

<C:comp name="VCALENDAR">

<C:comp name="VEVENT"/>

</C:comp>

</C:calendar-data>

</D:prop>

<C:filter>

<C:comp-filter name="VCALENDAR"/>

</C:filter>

</C:calendar-query>

But Iam getting bad request . Can any body help me out on this