client/src/main/java/org/apache/hupa/client/mapper/CachingWestActivityMapper.java~HEAD

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package org.apache.hupa.client.mapper;

import org.apache.hupa.client.place.DefaultPlace;
import org.apache.hupa.client.place.FolderPlace;

import com.google.gwt.activity.shared.Activity;
import com.google.gwt.activity.shared.ActivityMapper;
import com.google.gwt.activity.shared.CachingActivityMapper;
import com.google.gwt.activity.shared.FilteredActivityMapper;
import com.google.gwt.place.shared.Place;
import com.google.inject.Inject;

public class CachingWestActivityMapper implements ActivityMapper {

	private ActivityMapper filteredActivityMapper;

	@Inject
	public CachingWestActivityMapper(WestActivityMapper westActivityMapper) {

		FilteredActivityMapper.Filter filter = new FilteredActivityMapper.Filter() {
			@Override
			public Place filter(Place place) {
				return (place instanceof DefaultPlace || place instanceof FolderPlace) ? place
						: new FolderPlace("");
			}
		};

		CachingActivityMapper cachingActivityMapper = new CachingActivityMapper(westActivityMapper);
		filteredActivityMapper = new FilteredActivityMapper(filter, cachingActivityMapper);
	}

	@Override
	public Activity getActivity(Place place) {
		return filteredActivityMapper.getActivity(place);
	}

}