package net.techreadiness.batch.device; import java.io.IOException; import java.io.Writer; import org.apache.commons.lang3.StringUtils; import org.springframework.batch.item.file.FlatFileHeaderCallback; public class DeviceHeaderCallback implements FlatFileHeaderCallback { @Override public void writeHeader(Writer writer) throws IOException { String headers = StringUtils.join(DeviceLineTokenizer.COL_NAMES, ','); writer.append(headers); } }