57 lines
1.7 KiB
Java
57 lines
1.7 KiB
Java
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.util;
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import android.support.v4.util.LongSparseArray;
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public class LongSparseArrayUtils {
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private LongSparseArrayUtils() {
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}
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/**
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* @return A copy of all keys contained in the sparse array.
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*/
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public static <E> long[] getKeys(final LongSparseArray<E> array) {
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final int length = array.size();
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final long[] result = new long[length];
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for (int i = 0, j = length; i < j; i++) {
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result[i] = array.keyAt(i);
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}
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return result;
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}
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public static <E> boolean hasKey(final LongSparseArray<E> array, final long key) {
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return array.indexOfKey(key) >= 0;
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}
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/**
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* Sets all supplied keys to the given unique value.
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*
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* @param keys Keys to set
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* @param uniqueValue Value to set all supplied keys to
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*/
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public static <E> void setValues(final LongSparseArray<E> array, final long[] keys, final E uniqueValue) {
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final int length = keys.length;
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for (long key : keys) {
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array.put(key, uniqueValue);
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}
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}
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}
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