src/cgeo/geocaching/sorting/RatingComparator.java


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package cgeo.geocaching.sorting;

import cgeo.geocaching.cgCache;

/**
 * sorts caches by gcvote.com rating
 *
 */
public class RatingComparator extends AbstractCacheComparator {

	@Override
	protected boolean canCompare(cgCache cache1, cgCache cache2) {
		return cache1.rating != null && cache2.rating != null;
	}

	@Override
	protected int compareCaches(cgCache cache1, cgCache cache2) {
		Float rating1 = cache1.rating;
		Float rating2 = cache2.rating;

		// voting can be disabled for caches, then assume an average rating instead
		if (rating1 == 0.0) {
			rating1 = 2.5f;
		}
		if (rating2 == 0.0) {
			rating2 = 2.5f;
		}

		if (rating1 < rating2) {
			return 1;
		} else if (rating2 < rating1) {
			return -1;
		}
		return 0;
	}
}