gemfire-core/src/main/java/com/gemstone/gemfire/cache/hdfs/internal/cardinality/Bits.java

/*=========================================================================
 * Copyright (c) 2010-2014 Pivotal Software, Inc. All Rights Reserved.
 * This product is protected by U.S. and international copyright
 * and intellectual property laws. Pivotal products are covered by
 * one or more patents listed at http://www.pivotal.io/patents.
 *=========================================================================
 */
/*
 * Copyright (C) 2011 Clearspring Technologies, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.gemstone.gemfire.cache.hdfs.internal.cardinality;

import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;

public class Bits
{

    public static int[] getBits(byte[] mBytes) throws IOException
    {
        int bitSize = mBytes.length / 4;
        int[] bits = new int[bitSize];
        DataInputStream dis = new DataInputStream(new ByteArrayInputStream(mBytes));
        for (int i = 0; i < bitSize; i++)
        {
            bits[i] = dis.readInt();
        }
        return bits;
    }

}