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/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog2.shared.utilities;

import java.nio.ByteBuffer;

public abstract class ByteBufferUtils {
    /**
     * Read the given byte buffer into a byte array
     *
     * This will consume the given {@link ByteBuffer}.
     */
    public static byte[] readBytes(ByteBuffer buffer) {
        return readBytes(buffer, 0, buffer.remaining());
    }

    /**
     * Read a byte array from the given offset and size in the buffer
     *
     * This will consume the given {@link ByteBuffer}.
     */
    public static byte[] readBytes(ByteBuffer buffer, int offset, int size) {
        final byte[] dest = new byte[size];
        buffer.get(dest, offset, size);
        return dest;
    }
}