对接刀具系统，涉密网封装结构树与文件

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2025-06-16 24e0bdd24a10449c98013cdb5bcc5e37735f5a91

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package org.jeecg.modules.dnc.utils;
 
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
 
public class CompressionUtils {
    public static byte[] gzipCompress(byte[] data) {
        try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
             GZIPOutputStream gzip = new GZIPOutputStream(bos)) {
            gzip.write(data);
            gzip.finish();
            return bos.toByteArray();
        } catch (IOException e) {
            throw new RuntimeException("GZIP压缩失败", e);
        }
    }
 
    public static byte[] gzipDecompress(byte[] compressed) {
        try (ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
             GZIPInputStream gzip = new GZIPInputStream(bis);
             ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
            byte[] buffer = new byte[1024];
            int len;
            while ((len = gzip.read(buffer)) > 0) {
                bos.write(buffer, 0, len);
            }
            return bos.toByteArray();
        } catch (IOException e) {
            throw new RuntimeException("GZIP解压失败", e);
        }
    }
}