Programatically Add the Site and Page in Liferay:


1) Create Custom Portlet

2) Create Custom Class add the code in Controller Class

@Override
    public void doView(RenderRequest renderRequest,
            RenderResponse renderResponse) throws IOException, PortletException {
        // TODO Auto-generated method stub
        ThemeDisplay themeDisplay = (ThemeDisplay) renderRequest.getAttribute(WebKeys.THEME_DISPLAY);
        ServiceContext serviceContext = new ServiceContext();
        serviceContext.setAddCommunityPermissions(true);
        serviceContext.setAddGuestPermissions(true);
        Group group=null;
        Layout layout = null;
        try{
            group=GroupLocalServiceUtil.getGroup(themeDisplay.getCompanyId(), "Hello");
            if(group.getName().equalsIgnoreCase("Hello")){
                System.out.println("Group already exists");
            }else{
                group = GroupServiceUtil.addGroup("Hello", "", GroupConstants.TYPE_SITE_PRIVATE, "", true, true, serviceContext);
                layout = LayoutLocalServiceUtil.addLayout(themeDisplay.getUserId(),group.getGroupId(), true, 0, "ShowCase", "", "", LayoutConstants.TYPE_PORTLET, false, "/showcase2/3", serviceContext);
                LayoutLocalServiceUtil.updateLayout(layout);
            }
           
           
           
        }
        catch(Exception e){
            e.printStackTrace();
        }
       
        super.doView(renderRequest, renderResponse);
       
    }