将指定目录下的文件打tar包，不包括此目录

╰+哭是因爲堅強的太久メ 2021-09-29 08:38 364阅读 0赞

package com.jttx.other.jtp;
     
    import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
    import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
    import org.apache.commons.io.IOUtils;
     
    import java.io.*;
    import java.util.logging.Logger;
     
    /**
     * Created by superman on 2014/9/16.
     */
     
    public class TarBuilder {
        private Logger logger = Logger.getLogger(getClass().getName());
        private TarArchiveOutputStream tarArchiveOutputStream;
        private File source;
        private File dist;
        private boolean deleteSource;
     
        /**
         * 将指定目录下的文件打成tar包
         * @param srcDir        要压缩的目录
         * @param distDir       输出目录
         * @param tarName       tar包的名称
         * @param deleteSource  压缩后是否删除源文件
         */
        public TarBuilder(String srcDir,String distDir,String tarName,boolean deleteSource){
            source=new File(srcDir);
            dist = new File(distDir, tarName);
            this.deleteSource=deleteSource;
            if (source.exists()) {
                try {
                    tarArchiveOutputStream = new TarArchiveOutputStream(new FileOutputStream(dist));
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }
            }
        }
        public void build() {
            action(source);
            if (tarArchiveOutputStream != null) {
                try {
                    tarArchiveOutputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        private void action(File file) {
            if(tarArchiveOutputStream==null){
                logger.severe(source.getName()+" not found.");
                return;
            }
            if (file.isFile()) {
                append(tarArchiveOutputStream,file);
            }else if (file.isDirectory()) {
                File[] files=file.listFiles();
                if (files != null && files.length > 0) {
                    for (File f : files) {
                        action(f);
                    }
                }
            }
        }
     
        private void append(TarArchiveOutputStream tarArchiveOutputStream,File file){
            InputStream is=null;
            try {
                is = new BufferedInputStream(new FileInputStream(file));
                TarArchiveEntry entry = new TarArchiveEntry(file);
                entry.setSize(file.length());
                entry.setName(file.getAbsolutePath().substring(source.getAbsolutePath().length()+1));
                tarArchiveOutputStream.putArchiveEntry(entry);
                IOUtils.copy(is,tarArchiveOutputStream);
                tarArchiveOutputStream.flush();
                tarArchiveOutputStream.closeArchiveEntry();
            } catch (Exception e) {
                e.printStackTrace();
            }finally {
                IOUtils.closeQuietly(is);
                if(deleteSource){
                    if(!file.delete()){
                        logger.warning("Delete source file "+file.getName()+" failed.");
                    }
                }
            }
        }
     
        public static void main(String[] args) {
            TarBuilder tarBuilder = new TarBuilder("E:\\test\\data\\data\\SY\\cubic\\tar", "E:\\test\\data\\data\\SY\\cubic", "tt.tar",true);
            tarBuilder.build();
        }
    }

原文地址：https://www.oschina.net/code/snippet\_1387007\_38740

转载于:https://www.cnblogs.com/xiandong/p/9882027.html