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package net.sourceforge.cruisecontrol.dashboard.tabs;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

/**
 * Adds the tabs and currentTab to the model.
 */
public class TabInterceptor implements HandlerInterceptor {
    private final TabContainer tabContainer;

    public TabInterceptor(TabContainer tabContainer) {
        this.tabContainer = tabContainer;
    }

    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
                             Object object) throws Exception {
        return true;
    }

    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
                           Object controller, ModelAndView modelAndView) throws Exception {
        if (controller instanceof TabController) {
            TabController tabController = (TabController) controller;
            modelAndView.getModel().put("currentTab", tabController.getCurrentTab());
            modelAndView.getModel().put("tabs", tabContainer.allTabs());
        }
    }

    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
                                Object object, Exception exception) throws Exception {
    }
}
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