public static byte[] buildTestData(int bodySize) {
        final byte[] transmitData =
                StringUtils.getBytesUtf8("This is a test data!");
        final ByteBuffer dataBuffer = ByteBuffer.allocate(bodySize);
        while (dataBuffer.hasRemaining()) {
            int offset = dataBuffer.arrayOffset();
            dataBuffer.put(transmitData, offset,
                    Math.min(dataBuffer.remaining(), transmitData.length));
        }
        dataBuffer.flip();
        return dataBuffer.array();
    }
parse topic Parameter with format topic_1[,topic_2[:filterCond_2.1[;filterCond_2.2]]]
 topicParam->set(filterCond) map
@param topicParam - composite string
@return - map of topic->set(filterCond)
inlong-tubemq/tubemq-core/src/main/java/org/apache/inlong/tubemq/corebase/utils/MixedUtils.java