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package com.spice.profitmandi.common.util;
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package com.spice.profitmandi.common.util;
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import java.io.File;
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import java.io.File;
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import java.io.IOException;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.io.PrintStream;
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import java.io.Serializable;
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import java.util.List;
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import java.util.List;
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import org.apache.commons.csv.CSVFormat;
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import org.apache.commons.csv.CSVFormat;
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import org.apache.commons.csv.CSVPrinter;
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import org.apache.commons.csv.CSVPrinter;
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import org.apache.commons.io.output.ByteArrayOutputStream;
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import org.apache.commons.io.output.ByteArrayOutputStream;
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	public static void main(String[] args) {
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	public static void main(String[] args) {
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		// detectFileType(new File("/hsps-docs/1499163441532"));
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		// detectFileType(new File("/hsps-docs/1499163441532"));
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		// System.out.println("he");
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		// System.out.println("he");
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	}
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	}
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	public static ByteArrayOutputStream getCSVByteStream(List<String> headers, List<List<?>> rows) throws Exception {
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	public static ByteArrayOutputStream getCSVByteStream(List<String> headers, List<List<? extends Serializable>> rows) throws Exception {
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		try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
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		try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
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				PrintStream writer = new PrintStream(baos);
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				PrintStream writer = new PrintStream(baos);
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				CSVPrinter csvPrinter = new CSVPrinter(writer,
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				CSVPrinter csvPrinter = new CSVPrinter(writer,
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						CSVFormat.EXCEL.withTrim().withHeader(headers.toArray(new String[] {})));) {
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						CSVFormat.EXCEL.withTrim().withHeader(headers.toArray(new String[] {})));) {
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			for (List<?> row : rows) {
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			for (List<? extends Serializable> row : rows) {
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				csvPrinter.printRecord(row);
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				csvPrinter.printRecord(row);
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			}
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			}
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			return baos;
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			return baos;
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		}
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		}
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	}
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	}