EDIT

package eu.etaxonomy.vaadin.ui.navigation;

public class NavigationEvent {

	public static final char SEPARATOR = '/';

    private final String viewName;

	public NavigationEvent(String viewName, String ... parameters) {

	    StringBuilder sb = new StringBuilder(viewName);

        for(String p : parameters){

            sb.append(SEPARATOR).append(p);

        }

        this.viewName = sb.toString();

    }

	public NavigationEvent(String viewName) {

        this.viewName = viewName;

    }

	public String getViewName() {

		return viewName;

	}

}