JAVA: 打包tar.gz文件

秒速五厘米 2022-11-07 11:44 228阅读 0赞

<dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-compress</artifactId>
             <version>1.20</version>
          </dependency>

package tju.SpringBootPostServer;
    
    import java.io.ByteArrayOutputStream;
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileNotFoundException;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.util.LinkedList;
    import java.util.List;
    
    import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
    import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
    import org.apache.commons.compress.utils.IOUtils;
    
    public class TestTargz {
    	
    	 public static byte[] getTargzBytes(List<String> filePathList ) throws IOException {
    		  List<File> fileList=new LinkedList<>();
    		  for(String filePath: filePathList) {
    			  fileList.add(new File(filePath));  
    		  }
             
    		 
    			ByteArrayOutputStream baos=new ByteArrayOutputStream();
    			TarArchiveOutputStream taos = new TarArchiveOutputStream(baos);
    			for (File file : fileList) {
    				InputStream inputStream = null;
    				try {
    					taos.putArchiveEntry(new TarArchiveEntry(file,file.getName()));
    					inputStream = new FileInputStream(file);
    					IOUtils.copy(inputStream, taos);
    					taos.closeArchiveEntry();
    	 
    				} catch (Exception e) {
    					e.printStackTrace();
    				}
    				if(inputStream!=null){
    					inputStream.close();
    				}
    			}
    			
    			
    			if (baos != null) {
    				try {
    					baos.flush();
    					baos.close();
    					
    				} catch (IOException e) {
    					e.printStackTrace();
    				}
    			}
    			
    			return baos.toByteArray();
    	 
    			
    		}
    
    	public static void main(String[] args) throws IOException {
    		List<String> fileList=new LinkedList<>();
    		fileList.add("c:\\data\\test\\exec.json");
    		fileList.add("c:\\data\\test\\01.txt");
    		fileList.add("c:\\data\\test\\02.xlsx");
    		
    		byte[] bytes=getTargzBytes(fileList);
    		
    		FileOutputStream fos=new FileOutputStream("c:\\data\\test\\0000.tar.gz");
    		fos.write(bytes);
    		fos.close();
    		
    
    	}
    
    }