java壓縮解壓縮rar、zip文件

jopen 11年前發布 | 81K 次閱讀 Java Java開發
package com.test;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.tools.tar.TarEntry;
import org.apache.tools.tar.TarOutputStream;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;
import de.innosystec.unrar.Archive;
/**

@author Every E-mail/MSN:mwgjkf@hotmail.com
QQ:30130942
@version 創建時間：Feb 26, 2009 6:01:11 PM 
類說明:壓縮、解壓文件公用類
/
public class Test {
 private static final int BUFFEREDSIZE = 1024;
 public Test() {

 // TODO Auto-generated constructor stub

}
/**

解壓zip格式的壓縮文件到當前文件夾
@param zipFileName
@throws Exception
*/
@SuppressWarnings("unchecked")
public synchronized void unzipFile(String zipFileName) throws Exception {
 try {

 File f = new File(zipFileName);
 ZipFile zipFile = new ZipFile(zipFileName);
 if((!f.exists()) && (f.length() <= 0)) {
     throw new Exception("要解壓的文件不存在!");
 }
 String strPath, gbkPath, strtemp;
 File tempFile = new File(f.getParent());
 strPath = tempFile.getAbsolutePath();
 java.util.Enumeration e = zipFile.getEntries();
 while(e.hasMoreElements()){
     org.apache.tools.zip.ZipEntry zipEnt = (ZipEntry) e.nextElement();
     gbkPath=zipEnt.getName();
     if(zipEnt.isDirectory()){
         strtemp = strPath + "/" + gbkPath;
         File dir = new File(strtemp);
         dir.mkdirs();
         continue;
     } else {
         //讀寫文件
         InputStream is = zipFile.getInputStream(zipEnt);
         BufferedInputStream bis = new BufferedInputStream(is);
         gbkPath=zipEnt.getName();
         strtemp = strPath + "/" + gbkPath;

         //建目錄
         String strsubdir = gbkPath;
         for(int i = 0; i < strsubdir.length(); i++) {
             if(strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
                 String temp = strPath + "/" + strsubdir.substring(0, i);
                 File subdir = new File(temp);
                 if(!subdir.exists())
                 subdir.mkdir();
             }
         }
         FileOutputStream fos = new FileOutputStream(strtemp);
         BufferedOutputStream bos = new BufferedOutputStream(fos);
         int c;
         while((c = bis.read()) != -1) {
             bos.write((byte) c);
         }
         bos.close();
         fos.close();
     }
 }

} catch(Exception e) {

 e.printStackTrace();
 throw e;

}
}
/**

解壓zip格式的壓縮文件到指定位置
@param zipFileName 壓縮文件
@param extPlace 解壓目錄
@throws Exception
*/
@SuppressWarnings("unchecked")
public synchronized void unzip(String zipFileName, String extPlace) throws Exception {
 try {

 (new File(extPlace)).mkdirs();
 File f = new File(zipFileName);
 ZipFile zipFile = new ZipFile(zipFileName);
 if((!f.exists()) && (f.length() <= 0)) {
     throw new Exception("要解壓的文件不存在!");
 }
 String strPath, gbkPath, strtemp;
 File tempFile = new File(extPlace);
 strPath = tempFile.getAbsolutePath();
 java.util.Enumeration e = zipFile.getEntries();
 while(e.hasMoreElements()){
     org.apache.tools.zip.ZipEntry zipEnt = (ZipEntry) e.nextElement();
     gbkPath=zipEnt.getName();
     if(zipEnt.isDirectory()){
         strtemp = strPath + File.separator + gbkPath;
         File dir = new File(strtemp);
         dir.mkdirs();
         continue;
     } else {
         //讀寫文件
         InputStream is = zipFile.getInputStream(zipEnt);
         BufferedInputStream bis = new BufferedInputStream(is);
         gbkPath=zipEnt.getName();
         strtemp = strPath + File.separator + gbkPath;

         //建目錄
         String strsubdir = gbkPath;
         for(int i = 0; i < strsubdir.length(); i++) {
             if(strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
                 String temp = strPath + File.separator + strsubdir.substring(0, i);
                 File subdir = new File(temp);
                 if(!subdir.exists())
                 subdir.mkdir();
             }
         }
         FileOutputStream fos = new FileOutputStream(strtemp);
         BufferedOutputStream bos = new BufferedOutputStream(fos);
         int c;
         while((c = bis.read()) != -1) {
             bos.write((byte) c);
         }
         bos.close();
         fos.close();
     }
 }

} catch(Exception e) {

 e.printStackTrace();
 throw e;

}
}
/**

解壓zip格式的壓縮文件到指定位置
@param zipFileName 壓縮文件
@param extPlace 解壓目錄
@throws Exception
*/
@SuppressWarnings("unchecked")
public synchronized void unzip(String zipFileName, String extPlace,boolean whether) throws Exception {
 try {

 (new File(extPlace)).mkdirs();
 File f = new File(zipFileName);
 ZipFile zipFile = new ZipFile(zipFileName);
 if((!f.exists()) && (f.length() <= 0)) {
     throw new Exception("要解壓的文件不存在!");
 }
 String strPath, gbkPath, strtemp;
 File tempFile = new File(extPlace);
 strPath = tempFile.getAbsolutePath();
 java.util.Enumeration e = zipFile.getEntries();
 while(e.hasMoreElements()){
     org.apache.tools.zip.ZipEntry zipEnt = (ZipEntry) e.nextElement();
     gbkPath=zipEnt.getName();
     if(zipEnt.isDirectory()){
         strtemp = strPath + File.separator + gbkPath;
         File dir = new File(strtemp);
         dir.mkdirs();
         continue;
     } else {
         //讀寫文件
         InputStream is = zipFile.getInputStream(zipEnt);
         BufferedInputStream bis = new BufferedInputStream(is);
         gbkPath=zipEnt.getName();
         strtemp = strPath + File.separator + gbkPath;

         //建目錄
         String strsubdir = gbkPath;
         for(int i = 0; i < strsubdir.length(); i++) {
             if(strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
                 String temp = strPath + File.separator + strsubdir.substring(0, i);
                 File subdir = new File(temp);
                 if(!subdir.exists())
                 subdir.mkdir();
             }
         }
         FileOutputStream fos = new FileOutputStream(strtemp);
         BufferedOutputStream bos = new BufferedOutputStream(fos);
         int c;
         while((c = bis.read()) != -1) {
             bos.write((byte) c);
         }
         bos.close();
         fos.close();
     }
 }

} catch(Exception e) {

 e.printStackTrace();
 throw e;

}
}
/**

壓縮zip格式的壓縮文件
@param inputFilename 壓縮的文件或文件夾及詳細路徑
@param zipFilename 輸出文件名稱及詳細路徑
@throws IOException
*/
public synchronized void zip(String inputFilename, String zipFilename) throws IOException {
 zip(new File(inputFilename), zipFilename);
}
/**

壓縮zip格式的壓縮文件
@param inputFile 需壓縮文件
@param zipFilename 輸出文件及詳細路徑
@throws IOException
*/
public synchronized void zip(File inputFile, String zipFilename) throws IOException {
 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFilename));
 try {

 zip(inputFile, out, "");

} catch (IOException e) {

 throw e;

} finally {

 out.close();

}
}
/**

壓縮zip格式的壓縮文件
@param inputFile 需壓縮文件
@param out 輸出壓縮文件
@param base 結束標識
@throws IOException
*/
@SuppressWarnings("unused")
private synchronized void zip(File inputFile, ZipOutputStream out, String base) throws IOException {
 if (inputFile.isDirectory()) {
 File[] inputFiles = inputFile.listFiles();
 out.putNextEntry(new ZipEntry(base + "/"));
 base = base.length() == 0 ? "" : base + "/";
 for (int i = 0; i < inputFiles.length; i++) {
     zip(inputFiles[i], out, base + inputFiles[i].getName());
 }

 } else {
 if (base.length() > 0) {
     out.putNextEntry(new ZipEntry(base));
 } else {
     out.putNextEntry(new ZipEntry(inputFile.getName()));
 }
 FileInputStream in = new FileInputStream(inputFile);
 try {
     int c;
     byte[] by = new byte[BUFFEREDSIZE];
     while ((c = in.read(by)) != -1) {
         out.write(by, 0, c);
     }
 } catch (IOException e) {
     throw e;
 } finally {
     in.close();
 }

 }
}




/**
 * 解壓tar格式的壓縮文件到指定目錄下
 * @param tarFileName 壓縮文件
 * @param extPlace 解壓目錄
 * @throws Exception
 */
public synchronized void untar(String tarFileName, String extPlace) throws Exception{

}

/**
 * 壓縮tar格式的壓縮文件
 * @param inputFilename 壓縮文件
 * @param tarFilename 輸出路徑
 * @throws IOException
 */
public synchronized void tar(String inputFilename, String tarFilename) throws IOException{
    tar(new File(inputFilename), tarFilename);
}

/**
 * 壓縮tar格式的壓縮文件
 * @param inputFile 壓縮文件
 * @param tarFilename 輸出路徑
 * @throws IOException
 */
public synchronized void tar(File inputFile, String tarFilename) throws IOException{
    TarOutputStream out = new TarOutputStream(new FileOutputStream(tarFilename));
    try {
        tar(inputFile, out, "");
    } catch (IOException e) {
        throw e;
    } finally {
        out.close();
    }
}

/**
 * 壓縮tar格式的壓縮文件
 * @param inputFile 壓縮文件
 * @param out 輸出文件 
 * @param base 結束標識
 * @throws IOException
 */
@SuppressWarnings("unused")
private synchronized void tar(File inputFile, TarOutputStream out, String base) throws IOException {
    if (inputFile.isDirectory()) {
        File[] inputFiles = inputFile.listFiles();
        out.putNextEntry(new TarEntry(base + "/"));
        base = base.length() == 0 ? "" : base + "/";
        for (int i = 0; i < inputFiles.length; i++) {
            tar(inputFiles[i], out, base + inputFiles[i].getName());
        }
    } else {
        if (base.length() > 0) {
            out.putNextEntry(new TarEntry(base));
        } else {
            out.putNextEntry(new TarEntry(inputFile.getName()));
        }
        FileInputStream in = new FileInputStream(inputFile);
        try {
            int c;
            byte[] by = new byte[BUFFEREDSIZE];
            while ((c = in.read(by)) != -1) {
                out.write(by, 0, c);
            }
        } catch (IOException e) {
            throw e;
        } finally {
            in.close();
        }
    }
}

 /**
 * 解壓rar格式的壓縮文件到指定目錄下
 * @param rarFileName 壓縮文件
 * @param extPlace 解壓目錄
 * @throws Exception
 */
public synchronized void unrar(String rarFileName, String extPlace) throws Exception{
    try {
        (new File(extPlace)).mkdirs();
        // 構建測解壓縮類
        Archive archive = new Archive();
        archive.setEnabledLog(false); //不輸出日志
        // 設置rar文件
        archive.setFile(rarFileName);
        archive.setExtractPath(extPlace);
        archive.extractAllFile();
    } catch (Exception e) {
        // TODO: handle exception
    }
}

/**
 * 執行實例
 * @param args
 */
public static void main(String[] args) throws Exception {
    Test decompression=new Test();
    //decompression.unzipFile("d:/Inetpub.zip");
    //decompression.unzip("d:/Inetpub.zip","d://Inetpub");
    //decompression.zip("c:/Inetpub", "c:/Inetpub.zip");
    decompression.unrar("d:/FSCapture62.rar", "d:/FSCapture62");

}

}</pre>
本文由用戶 jopen 自行上傳分享，僅供網友學習交流。所有權歸原作者，若您的權利被侵害，請聯系管理員。
轉載本站原創文章，請注明出處，并保留原始鏈接、圖片水印。
本站是一個以用戶分享為主的開源技術平臺，歡迎各類分享！
本文地址：http://www.baiduhome.net/lib/view/open1363592512046.html
Java Java開發
java壓縮解壓縮rar、zip文件

相關經驗

相關資訊

相關文檔

目錄
