import java.util.*;
import java.util.zip.GZIPOutputStream;
import java.nio.charset.StandardCharsets;
import org.apache.commons.codec.binary.Base64;public static String businessData(String xml) throws Exception {if (StringUtils.isBlank(xml)) {return "";}ByteArrayOutputStream out = new ByteArrayOutputStream();try (GZIPOutputStream gzip = new GZIPOutputStream(out)) {gzip.write(xml.getBytes(StandardCharsets.UTF_8));} catch (IOException e) {e.printStackTrace();}return Base64.encodeBase64String(out.toByteArray());}