java 压缩以及解压文件,有tar,zip,gz(gizp)和解压

package com.yabsz.decompCompr;
import java.io.File;
import java.util.ArrayList;
import java.util.List;


public class main {
    public static void main(String[] args) {
        //需要下载commons-net-ftp-2.0.jar包下载地址:http://download.csdn.net/detail/u010696272/8006739
        
        //第一步:获取一个文件夹下的所有的文件
          List<File> files = file.getFiles("D:\\test");
          List<File> sources = new ArrayList<File>();
            for(File f : files){
                System.out.println(f.getName());
                System.out.println(f.toURI());
                sources.add(f);
         }
        //第二步:把获取的文件下的文件压缩成一个tar文件 ,sources:要压缩的文件,target压缩的路径
        File target = new File("D:\\test2\\release_package.tar");
        file.compress(GZIPUtil.pack(sources, target));
        
        try {
            //第三步把tar文件压缩成tar.gz文件也就是gzip文件,siuress:要压缩的tar文件,gzget:压缩后的gz文件
            String siuress ="D:/test2/release_package.tar";
            String gzget = "D:/test2/release_package.tar.gz";
            GZipUtils.compress(siuress, gzget);
            //第四步解压:把gz文件解压成tar文件,sougz:要解压的gz,tar:解压后的tar文件
            String sougz= "D:/test2/release_package.tar.gz";
            String tar ="D:/test2/123.tar";
            GZipUtils.decompress(sougz, tar);
            //第五步,解压tar文件,soufile:要解压的tar路径,srcfile:后放的路径
            String soufile = "D:\\test2\\release_package.tar";
            String srcfile = "D:\\test2\\text";
            TarUtils.dearchive(soufile,srcfile);
        } catch (Exception e) {
            e.printStackTrace();
        }
        
        
    }
}
package com.yabsz.decompCompr;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.GZIPOutputStream;


public class file {
    /**
     * 
     * @Title: compress
     * @Description: 将文件用tar压缩
     * @param source
     *            需要压缩的文件
     * @return File 返回压缩后的文件
     * @throws
     */
    public static File compress(File source) {
        File target = new File(source.getName() + ".gz");
        FileInputStream in = null;
        GZIPOutputStream out = null;
        try {
            in = new FileInputStream(source);
            out = new GZIPOutputStream(new FileOutputStream(target));
            byte[] array = new byte[1024];
            int number = -1;
            while ((number = in.read(array, 0, array.length)) != -1) {
                out.write(array, 0, number);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        } finally {
            if (in != null) {
                try {
                    in.close();
                } catch (IOException e) {
                    e.printStackTrace();
                    return null;
                }
            }

            if (out != null) {
                try {
                    out.close();
                } catch (IOException e) {
                    e.printStackTrace();
                    return null;
                }
            }
        }
        return target;
    }
    
    /***
     * 指定文件夹下的所有文件
     * @param path
     * @return
     */
    public static List<File> getFiles(String path){
        File root = new File(path);
        List<File> files = new ArrayList<File>();
        if(!root.isDirectory()){
            files.add(root);
        }else{
            File[] subFiles = root.listFiles();
            for(File f : subFiles){
                files.addAll(getFiles(f.getAbsolutePath()));
            }    
        }
        return files;
    }
}
package com.yabsz.decompCompr;


import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.zip.GZIPOutputStream;

import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.compress.utils.IOUtils;

/**
 * @Title: GZIPUtil.java
 * @Description: gzip文件压缩和解压缩工具类
 * @author LM
 * @date 2009-11-4 下午06:23:29
 * @version V1.0
 */
public class GZIPUtil {

    /**
     * 
     * @Title: pack
     * @Description: 将一组文件打成tar包
     * @param sources
     *            要打包的原文件数组
     * @param target
     *            打包后的文件
     * @return File 返回打包后的文件
     * @throws
     */
    public static File pack(List<File> sources, File target) {
        FileOutputStream out = null;
        try {
            out = new FileOutputStream(target);
        } catch (FileNotFoundException e1) {
            e1.printStackTrace();
        }
        TarArchiveOutputStream os = new TarArchiveOutputStream(out);
        for (File file : sources) {
            try {
                System.out.println(file.getName());
                os.putArchiveEntry(new TarArchiveEntry(file));
                IOUtils.copy(new FileInputStream(file), os);
                os.closeArchiveEntry();

            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (os != null) {
            try {
                os.flush();
                os.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        return target;
    }
}
package com.yabsz.decompCompr;
/**
 * 2010-4-13
 */

import java.io.ByteArrayInputStream;
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.io.OutputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;

import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;

/**
 * GZIP工具
 * 
 * @author 
 * @since 1.0
 */
public abstract class GZipUtils {

    public static final int BUFFER = 1024;
    public static final String EXT = ".gz";

    /**
     * 数据压缩
     * 
     * @param data
     * @return
     * @throws Exception
     */
    public static byte[] compress(byte[] data) throws Exception {
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        // 压缩
        compress(bais, baos);

        byte[] output = baos.toByteArray();

        baos.flush();
        baos.close();

        bais.close();

        return output;
    }

    /**
     * 文件压缩
     * 
     * @param file
     * @throws Exception
     */
    public static void compress(File file) throws Exception {
        compress(file, true);
    }

    /**
     * 文件压缩
     * 
     * @param file
     * @param delete
     *            是否删除原始文件
     * @throws Exception
     */
    public static void compress(File file, boolean delete) throws Exception {
        FileInputStream fis = new FileInputStream(file);
        FileOutputStream fos = new FileOutputStream(file.getPath() + EXT);

        compress(fis, fos);

        fis.close();
        fos.flush();
        fos.close();

        if (delete) {
            file.delete();
        }
    }

    /**
     * 数据压缩
     * 
     * @param is
     * @param os
     * @throws Exception
     */
    public static void compress(InputStream is, OutputStream os)
            throws Exception {

        GZIPOutputStream gos = new GZIPOutputStream(os);

        int count;
        byte data[] = new byte[BUFFER];
        while ((count = is.read(data, 0, BUFFER)) != -1) {
            gos.write(data, 0, count);
        }

        gos.finish();

        gos.flush();
        gos.close();
    }

    /**
     * 文件压缩
     * 
     * @param path
     * @throws Exception
     */
    public static void compress(String path) throws Exception {
        compress(path, true);
    }

    /**
     * 文件压缩
     * 
     * @param path
     * @param delete
     *            是否删除原始文件
     * @throws Exception
     */
    public static void compress(String path, boolean delete) throws Exception {
        File file = new File(path);
        compress(file, delete);
    }

    /**
     * 文件压缩
     * 
     * @param path
     * @param delete
     *            是否删除原始文件
     * @throws Exception
     */
    public static void compress(String inputFileName, String outputFileName)
            throws Exception {
        FileInputStream inputFile = new FileInputStream(inputFileName);
        FileOutputStream outputFile = new FileOutputStream(outputFileName);
        compress(inputFile, outputFile);
        inputFile.close();
        outputFile.flush();
        outputFile.close();
    }

    /**
     * 数据解压缩
     * 
     * @param data
     * @return
     * @throws Exception
     */
    public static byte[] decompress(byte[] data) throws Exception {
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        // 解压缩

        decompress(bais, baos);

        data = baos.toByteArray();

        baos.flush();
        baos.close();

        bais.close();

        return data;
    }

    /**
     * 文件解压缩
     * 
     * @param file
     * @throws Exception
     */
    public static void decompress(File file) throws Exception {
        decompress(file, true);
    }

    /**
     * 文件解压缩
     * 
     * @param file
     * @param delete
     *            是否删除原始文件
     * @throws Exception
     */
    public static void decompress(File file, boolean delete) throws Exception {
        FileInputStream fis = new FileInputStream(file);
        FileOutputStream fos = new FileOutputStream(file.getPath().replace(EXT,
                ""));
        decompress(fis, fos);
        fis.close();
        fos.flush();
        fos.close();

        if (delete) {
            file.delete();
        }
    }

    /**
     * 文件解压缩
     * 
     * @param file
     * @param delete
     *            是否删除原始文件
     * @throws Exception
     */
    public static void decompress(String inputFileName, String outputFileName)
            throws Exception {
        FileInputStream inputFile = new FileInputStream(inputFileName);
        FileOutputStream outputFile = new FileOutputStream(outputFileName);
        decompress(inputFile, outputFile);
        inputFile.close();
        outputFile.flush();
        outputFile.close();
    }


    /**
     * 数据解压缩
     * 
     * @param is
     * @param os
     * @throws Exception
     */
    public static void decompress(InputStream is, OutputStream os)
            throws Exception {

        GZIPInputStream gis = new GZIPInputStream(is);

        int count;
        byte data[] = new byte[BUFFER];
        while ((count = gis.read(data, 0, BUFFER)) != -1) {
            os.write(data, 0, count);
        }

        gis.close();
    }

    /**
     * 文件解压缩
     * 
     * @param path
     * @throws Exception
     */
    public static void decompress(String path) throws Exception {
        decompress(path, true);
    }

    /**
     * 文件解压缩
     * 
     * @param path
     * @param delete
     *            是否删除原始文件
     * @throws Exception
     */
    public static void decompress(String path, boolean delete) throws Exception {
        File file = new File(path);
        decompress(file, delete);
    }

}
package com.yabsz.decompCompr;
/**
 * 2010-4-20
 */

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;

/**
 * TAR工具
 * 
 * @author 
 * @since 1.0
 */
public abstract class TarUtils {

    private static final String BASE_DIR = "";

    // 符号"/"用来作为目录标识判断符
    private static final String PATH = "/";
    private static final int BUFFER = 1024;

    private static final String EXT = ".tar";

    /**
     * 归档
     * 
     * @param srcPath
     * @param destPath
     * @throws Exception
     */
    public static void archive(String srcPath, String destPath)
            throws Exception {

        File srcFile = new File(srcPath);

        archive(srcFile, destPath);

    }

    /**
     * 归档
     * 
     * @param srcFile
     *            源路径
     * @param destPath
     *            目标路径
     * @throws Exception
     */
    public static void archive(File srcFile, File destFile) throws Exception {

        TarArchiveOutputStream taos = new TarArchiveOutputStream(
                new FileOutputStream(destFile));

        archive(srcFile, taos, BASE_DIR);

        taos.flush();
        taos.close();
    }

    /**
     * 归档
     * 
     * @param srcFile
     * @throws Exception
     */
    public static void archive(File srcFile) throws Exception {
        String name = srcFile.getName();
        //String basePath = srcFile.getParent();        
        String destPath =   name + EXT;
        archive(srcFile, destPath);
    }

    /**
     * 归档文件
     * 
     * @param srcFile
     * @param destPath
     * @throws Exception
     */
    public static void archive(File srcFile, String destPath) throws Exception {
        archive(srcFile, new File(destPath));
    }

    /**
     * 归档
     * 
     * @param srcPath
     * @throws Exception
     */
    public static void archive(String srcPath) throws Exception {
        File srcFile = new File(srcPath);

        archive(srcFile);
    }

    /**
     * 归档
     * 
     * @param srcFile
     *            源路径
     * @param taos
     *            TarArchiveOutputStream
     * @param basePath
     *            归档包内相对路径
     * @throws Exception
     */
    private static void archive(File srcFile, TarArchiveOutputStream taos,
            String basePath) throws Exception {
        if (srcFile.isDirectory()) {
            archiveDir(srcFile, taos, basePath);
        } else {
            archiveFile(srcFile, taos, basePath);
        }
    }

    /**
     * 目录归档
     * 
     * @param dir
     * @param taos
     *            TarArchiveOutputStream
     * @param basePath
     * @throws Exception
     */
    private static void archiveDir(File dir, TarArchiveOutputStream taos,
            String basePath) throws Exception {

        File[] files = dir.listFiles();

        if (files.length < 1) {
            TarArchiveEntry entry = new TarArchiveEntry(basePath
                    + dir.getName() + PATH);

            taos.putArchiveEntry(entry);
            taos.closeArchiveEntry();
        }

        for (File file : files) {

            // 递归归档
            archive(file, taos, basePath + dir.getName() + PATH);

        }
    }

    /**
     * 数据归档
     * 
     * @param data
     *            待归档数据
     * @param path
     *            归档数据的当前路径
     * @param name
     *            归档文件名
     * @param taos
     *            TarArchiveOutputStream
     * @throws Exception
     */
    private static void archiveFile(File file, TarArchiveOutputStream taos,
            String dir) throws Exception {

        /**
         * 归档内文件名定义
         * 
         * <pre>
         * 如果有多级目录,那么这里就需要给出包含目录的文件名
         * 如果用WinRAR打开归档包,中文名将显示为乱码
         * </pre>
         */
        TarArchiveEntry entry = new TarArchiveEntry(dir + file.getName());

        entry.setSize(file.length());

        taos.putArchiveEntry(entry);

        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(
                file));
        int count;
        byte data[] = new byte[BUFFER];
        while ((count = bis.read(data, 0, BUFFER)) != -1) {
            taos.write(data, 0, count);
        }

        bis.close();

        taos.closeArchiveEntry();
    }

    /**
     * 解归档
     * 
     * @param srcFile
     * @throws Exception
     */
    public static void dearchive(File srcFile) throws Exception {
        String basePath = srcFile.getParent();
        dearchive(srcFile, basePath);
    }

    /**
     * 解归档
     * 
     * @param srcFile
     * @param destFile
     * @throws Exception
     */
    public static void dearchive(File srcFile, File destFile) throws Exception {

        TarArchiveInputStream tais = new TarArchiveInputStream(
                new FileInputStream(srcFile));
        dearchive(destFile, tais);

        tais.close();

    }

    /**
     * 解归档
     * 
     * @param srcFile
     * @param destPath
     * @throws Exception
     */
    public static void dearchive(File srcFile, String destPath)
            throws Exception {
        dearchive(srcFile, new File(destPath));

    }

    /**
     * 文件 解归档
     * 
     * @param destFile
     *            目标文件
     * @param tais
     *            ZipInputStream
     * @throws Exception
     */
    private static void dearchive(File destFile, TarArchiveInputStream tais)
            throws Exception {

        TarArchiveEntry entry = null;
        while ((entry = tais.getNextTarEntry()) != null) {

            // 文件
            String dir = destFile.getPath() + File.separator + entry.getName();

            File dirFile = new File(dir);

            // 文件检查
            fileProber(dirFile);

            if (entry.isDirectory()) {
                dirFile.mkdirs();
            } else {
                dearchiveFile(dirFile, tais);
            }

        }
    }

    /**
     * 文件 解归档
     * 
     * @param srcPath
     *            源文件路径
     * 
     * @throws Exception
     */
    public static void dearchive(String srcPath) throws Exception {
        File srcFile = new File(srcPath);

        dearchive(srcFile);
    }

    /**
     * 文件 解归档
     * 
     * @param srcPath
     *            源文件路径
     * @param destPath
     *            目标文件路径
     * @throws Exception
     */
    public static void dearchive(String srcPath, String destPath)
            throws Exception {

        File srcFile = new File(srcPath);
        dearchive(srcFile, destPath);
    }

    /**
     * 文件解归档
     * 
     * @param destFile
     *            目标文件
     * @param tais
     *            TarArchiveInputStream
     * @throws Exception
     */
    private static void dearchiveFile(File destFile, TarArchiveInputStream tais)
            throws Exception {

        BufferedOutputStream bos = new BufferedOutputStream(
                new FileOutputStream(destFile));

        int count;
        byte data[] = new byte[BUFFER];
        while ((count = tais.read(data, 0, BUFFER)) != -1) {
            bos.write(data, 0, count);
        }

        bos.close();
    }

    /**
     * 文件探针
     * 
     * <pre>
     * 当父目录不存在时,创建目录!
     * </pre>
     * 
     * @param dirFile
     */
    private static void fileProber(File dirFile) {

        File parentFile = dirFile.getParentFile();
        if (!parentFile.exists()) {

            // 递归寻找上级目录
            fileProber(parentFile);

            parentFile.mkdir();
        }

    }

}

 

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