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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.hupa.client.mapper;

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 CachingTopActivityMapper implements ActivityMapper {

	private ActivityMapper filteredActivityMapper;

	@Inject
	public CachingTopActivityMapper(TopActivityMapper topActivityMapper) {

		FilteredActivityMapper.Filter filter = new FilteredActivityMapper.Filter() {
			@Override
			public Place filter(Place place) {
				return place;
			}
		};

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

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

}