hdfs压缩2

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IOUtils;

import java.io.BufferedOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class HdfsZipToHdfs {
    public static void main(String[] args) throws Exception {
        Configuration conf = new Configuration();
        FileSystem fs = FileSystem.get(conf);
        
        // HDFS 输入文件路径
        Path inputPath = new Path("/path/to/input/file.txt");
        // HDFS 输出 ZIP 文件路径
        Path outputZipPath = new Path("/path/to/output/file.zip");

        try (InputStream in = fs.open(inputPath);
             OutputStream out = fs.create(outputZipPath);
             ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(out))) {
             
            ZipEntry zipEntry = new ZipEntry(inputPath.getName());
            zos.putNextEntry(zipEntry);
            
            // 使用 IOUtils.copyBytes 进行流的复制
            IOUtils.copyBytes(in, zos, conf);
            zos.closeEntry();
        }

        fs.close();
    }
}