Barcode generating tools

package cn.com.utils;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.springframework.stereotype.Component;
import org.springframework.util.Base64Utils;
import java.io.File;
import java.io.FileInputStream;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.Map;

public class BarUtils {

    /**
     * Draw barcode
     *
     * @Param Content To generate content contained in the bar code
     * @Return returns generated bitmap strip
      * / 
    public  static File createBarcode (String Content) throws Exception {
         Final  int width = 180 [ ;
         Final  int height = 50 ;
         Final String the format = "PNG" ;
         // Configure parameters 
        Map <EncodeHintType , Object> = hints new new the HashMap <> ();
        hints.put (EncodeHintType.CHARACTER_SET, "UTF-. 8" );
         // fault tolerance level H Pick highest level 
        hints.put (EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
        Writer MultiFormatWriter = new new MultiFormatWriter ();
         // converts the image data, using the order matrix conversion parameters are: encoded content, coding type, generating a picture width, picture height generated, setting parameters 
        BitMatrix bitMatrix = writer.encode (Content, BarcodeFormat. CODE_128, width, height, hints) ;
        Path file = File.createTempFile("message_barcode_",".png").toPath();
        MatrixToImageWriter.writeToPath(bitMatrix, format, file);
        return file.toFile();
    }


    /**
     * Draw barcode
     *
     * @Param file to be encoded file
     * @Return string after base64 encoded return
      * / 
    public  static String encodeImage (File File) throws Exception {
        FileInputStream fileInputStream = FileUtils.openInputStream(file);
        byte[] buffer = new byte[(int) file.length()];
        fileInputStream.read(buffer);
        fileInputStream.close();
        return Base64Utils.encodeToString(buffer);
    }


}

Barcode generating tools