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hollow

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/*
 *  Copyright 2016-2019 Netflix, 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.netflix.hollow.core.util;

import com.netflix.hollow.core.memory.encoding.VarInt;
import com.netflix.hollow.core.read.HollowBlobInput;
import java.io.DataOutputStream;
import java.io.IOException;

public class IOUtils {

    public static void copyBytes(HollowBlobInput in, DataOutputStream[] os, long numBytes) throws IOException {
        byte buf[] = new byte[4096];

        while(numBytes > 0) {
            int numBytesToRead = 4096;
            if(numBytes < 4096)
                numBytesToRead = (int)numBytes;
            int bytesRead = in.read(buf, 0, numBytesToRead);

            for(int i=0;i