Carregar eventos no FullCalendar por JSON

$.noConflict(); jQuery(document).ready(function($) {

    $('#calendar').fullCalendar({
        defaultDate: '2016-02-01',
        editable: true,
        eventLimit: true,
        eventClick: function (calEvent, jsEvent, view) {            
            $("#title").val(calEvent.title);  
            $("#description").val(calEvent.description);
            $("#start").val(calEvent.start);
            Richfaces.showModalPanel('panelCalendar');
        },
        events: "C:/Projetos/Web/ProjetoCalendario/build/web/WEB-INF/classes/wpos/controle/utilidades/WposExibeCalendario",
        eventRender: function(event, element) {
            if(event.type){          
                element.find(".fc-title").prepend("<i class='fa fa-"+event.type+"'></i>");
            }
        }
    });

});

public class WposExibeCalendario extends HttpServlet {

    private static final long serialVersionUID = 1L;

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        List l = new ArrayList();

        CalendarDTO c = new CalendarDTO();
        c.setId(1);
        c.setStart("2016-02-20");
        c.setEnd("2016-02-20");
        c.setTitle("Task in Progress");

        CalendarDTO d = new CalendarDTO();
        d.setId(2);
        d.setStart("2016-02-21");
        d.setEnd("2016-02-21");
        d.setTitle("Task in Progress1");

        l.add(c);
        l.add(d);

        response.setContentType("application/json");
        response.setCharacterEncoding("UTF-8");
        PrintWriter out = response.getWriter();
        out.write(new Gson().toJson(l));

    }
}

package br.com.advpos.entities;

public class CalendarDTO {

    public int id;
    public String title;
    public String start;
    public String end;
    public String color;

    public String getColor() {
        return color;
    }

    public void setColor(String color) {
        this.color = color;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getStart() {
        return start;
    }

    public void setStart(String start) {
        this.start = start;
    }

    public String getEnd() {
        return end;
    }

    public void setEnd(String end) {
        this.end = end;
    }
}