SparseBooleanArrayUtils.java

package org.robobinding.widget.abslistview;

import java.util.Map;
import java.util.Set;

import org.robobinding.util.Maps;
import org.robobinding.util.Sets;

import android.util.SparseBooleanArray;

/**
 * 
 * @since 1.0
 * @version $Revision: 1.0 $
 * @author Cheng Wei
 */
public class SparseBooleanArrayUtils {
	public static Set<Integer> toSet(SparseBooleanArray array) {
		Set<Integer> trueSet = Sets.newHashSet();
		for (int i = 0; i < array.size(); i++) {
			if (array.valueAt(i)) {
				int position = array.keyAt(i);
				trueSet.add(position);
			}
		}
		return trueSet;
	}

	public static Map<Integer, Boolean> toMap(SparseBooleanArray array) {
		Map<Integer, Boolean> map = Maps.newHashMap();
		for (int i = 0; i < array.size(); i++) {
			map.put(array.keyAt(i), array.valueAt(i));
		}
		return map;
	}

	private SparseBooleanArrayUtils() {
	}
}