java解压rar.zip

/**  
    * 解压zip格式压缩包  
    * 对应的是ant.jar  
    */   
   private static void unzip(String sourceZip,String destDir) throws Exception{    
       try{    
           Project p = new Project();    
           Expand e = new Expand();    
           e.setProject(p);    
           e.setSrc(new File(sourceZip));    
           e.setOverwrite(false);    
           e.setDest(new File(destDir));    
           /*  
           ant下的zip工具默认压缩编码为UTF-8编码，  
           而winRAR软件压缩是用的windows默认的GBK或者GB2312编码  
           所以解压缩时要制定编码格式  
           */   
           e.setEncoding("gbk");    
           e.execute();    
       }catch(Exception e){    
           throw e;    
       }    
   }    
   /**  
    * 解压rar格式压缩包。  
    * 对应的是java-unrar-0.3.jar，但是java-unrar-0.3.jar又会用到commons-logging-1.1.1.jar  
    */   
   private static void unrar(String sourceRar,String destDir) throws Exception{    
       Archive a = null;    
       FileOutputStream fos = null;    
       try{    
           a = new Archive(new File(sourceRar));    
           FileHeader fh = a.nextFileHeader();    
           while(fh!=null){    
               if(!fh.isDirectory()){    
                   //1 根据不同的操作系统拿到相应的 destDirName 和 destFileName     
                   String compressFileName = fh.getFileNameString().trim();    
                   String destFileName = "";    
                   String destDirName = "";    
                   //非windows系统     
                   if(File.separator.equals("/")){    
                       destFileName = destDir + compressFileName.replaceAll("\\\\", "/");    
                       destDirName = destFileName.substring(0, destFileName.lastIndexOf("/"));    
                   //windows系统      
                   }else{    
                       destFileName = destDir + compressFileName.replaceAll("/", "\\\\");    
                       destDirName = destFileName.substring(0, destFileName.lastIndexOf("\\"));    
                   }    
                   //2创建文件夹     
                   File dir = new File(destDirName);    
                   if(!dir.exists()||!dir.isDirectory()){    
                       dir.mkdirs();    
                   }    
                   //3解压缩文件     
                   fos = new FileOutputStream(new File(destFileName));    
                   a.extractFile(fh, fos);    
                   fos.close();    
                   fos = null;    
               }    
               fh = a.nextFileHeader();    
           }    
           a.close();    
           a = null;    
       }catch(Exception e){    
           throw e;    
       }finally{    
           if(fos!=null){    
               try{fos.close();fos=null;}catch(Exception e){e.printStackTrace();}    
           }    
           if(a!=null){    
               try{a.close();a=null;}catch(Exception e){e.printStackTrace();}    
           }    
       }    
   }    
   /**  
    * 解压缩  
    */   
   public static void deCompress(String sourceFile,String destDir) throws Exception{    
       //保证文件夹路径最后是"/"或者"\"     
       char lastChar = destDir.charAt(destDir.length()-1);    
       if(lastChar!='/'&&lastChar!='\\'){    
           destDir += File.separator;    
       }    
       //根据类型，进行相应的解压缩     
       String type = sourceFile.substring(sourceFile.lastIndexOf(".")+1);    
       if(type.equals("zip")){    
           DeCompressUtil.unzip(sourceFile, destDir);    
        }else if(type.equals("rar")){    
            DeCompressUtil.unrar(sourceFile, destDir);    
        }else{    
            throw new Exception("只支持zip和rar格式的压缩包！");    
        }    
    }  
  
   public static void main(String[] args)  
   {  
    try {
//  DeCompressUtil.deCompress("F:\\AttachDir.rar","F:\\a第三方s");
//     List<File> fileList=new ArrayList<File>();
//     DeCompressUtil.readFile("F:\\a第三方s",fileList);
//     System.out.println(fileList.size());
     String path="C:\\Documents and Settings\\Administrator\\workspaces\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\MSISA2.1.4\\ntkoOffice\\ntkofile\\1370764956046";
     DeCompressUtil.delFolder(path);
    } catch (Exception e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
 }  
   } 
  
      /**
       * 删除文件夹 
       * param folderPath 文件夹完整绝对路径
       */
      public static void delFolder(String folderPath) {
       try {
          delAllFile(folderPath); //删除完里面所有内容
          String filePath = folderPath;
          filePath = filePath.toString();
          java.io.File myFilePath = new java.io.File(filePath);
          myFilePath.delete(); //删除空文件夹
       } catch (Exception e) {
         e.printStackTrace();
       }
      }

  //删除指定文件夹下所有文件
  //param path 文件夹完整绝对路径
     public static boolean delAllFile(String path) {
        boolean flag = false;
        File file = new File(path);
        if (!file.exists()) {
          return flag;
        }
        if (!file.isDirectory()) {
          return flag;
        }
        String[] tempList = file.list();
        File temp = null;
        for (int i = 0; i < tempList.length; i++) {
           if (path.endsWith(File.separator)) {
              temp = new File(path + tempList[i]);
           } else {
               temp = new File(path + File.separator + tempList[i]);
           }
           if (temp.isFile()) {
              temp.delete();
           }
           if (temp.isDirectory()) {
              delAllFile(path + "/" + tempList[i]);//先删除文件夹里面的文件
              delFolder(path + "/" + tempList[i]);//再删除空文件夹
              flag = true;
           }
        }
        return flag;
      }
 

   
    /**
     * 读取指定文件夹下的所有文件
     * @param filepath
     * @param fileList
     * @throws FileNotFoundException
     * @throws IOException
     */
 public static void readFile(String filepath,List<File> fileList)
   throws FileNotFoundException, IOException {
  try {
   File file = new File(filepath);
   if (!file.isDirectory()) {
    //System.out.println("path=" + file.getPath());
    fileList.add(file);
   } else if (file.isDirectory()) {
    File[] filelist = file.listFiles();
    for (int i = 0; i < filelist.length; i++) {
     File readfile =  filelist[i];
     if (!readfile.isDirectory()) {
      //System.out.println("path=" + readfile.getPath());
      fileList.add(readfile);
     } else if (readfile.isDirectory()) {
      readFile(readfile.getPath(),fileList);
     }
    }
   }
  } catch (FileNotFoundException e) {
   System.out.println("readfile() Exception:" + e.getMessage());
  }
 }