src/cgeo/geocaching/sorting/DifficultyComparator.java


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package cgeo.geocaching.sorting;

import cgeo.geocaching.cgCache;

/**
 * sorts caches by difficulty
 *
 */
public class DifficultyComparator extends AbstractCacheComparator {

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

	@Override
	protected int compareCaches(final cgCache cache1, final cgCache cache2) {
		if (cache1.difficulty > cache2.difficulty) {
			return 1;
		} else if (cache2.difficulty > cache1.difficulty) {
			return -1;
		}
		return 0;
	}
}