压缩文件以及文件夹

压缩文件以及文件夹

@import url(http://www.blogjava.net/CuteSoft_Client/CuteEditor/Load.ashx?type=style&file=SyntaxHighlighter.css);@import url(/css/cuteeditor.css);

//使用Groovy 稍微改了下
import  java.io.File;
import  java.io.FileInputStream;
import  java.util.zip.GZIPOutputStream 
import  java.util.zip.ZipEntry 
import  java.util.zip.ZipOutputStream 


class  Compress {
    
     public   static  gzipFile(from,to)  throws  IOException{
        def inFile  =   new  FileInputStream(from);
        def out  =   new  GZIPOutputStream( new  FileOutputStream(to));
         byte [] buffer  =   new   byte [ 4096 ];
        def buffer_read  =   0 ;
         while ((buffer_read  =  inFile.read(buffer))  !=   - 1 ){
//             out.write(buffer,0,buffer_read); // use '<<' replace
            out  <<  buffer; // use '<<' replace
        }
        inFile.close();
        out.close();
    }
    
     public   static  zipDirectory(dir,zipFile){
        File dire  =   new  File(dir);
         if ( ! dire.isDirectory()){
             throw   new  IllegalArgumentException( ' Compress: not a directory: '   +  dir);
        }
        String[] entries  =  dire.list();
         byte [] buffer  =   new   byte [ 4096 ];
         int  bytes_read;
        
        ZipOutputStream out  =   new  ZipOutputStream( new  FileOutputStream(zipFile));
        
        entries.each{item  ->
            File f  =   new  File(dire,item);
             if (f.isDirectory()){
                 return  ;
            }
            FileInputStream in_file  =   new  FileInputStream(f);
            ZipEntry entry  =   new  ZipEntry(f.getPath());
            out.putNextEntry (entry);
             while ((bytes_read  =  in_file.read(buffer))  !=   - 1 ){
                out  <<  buffer;
            }
            in_file.close();
        }
        out.close();
    }
    
     static  main(args) {
        def from  =  args[ 0 ];
        File from_file  =   new  File(from);
        def directory  =  from_file.isDirectory();
        def to  =   '' ;
         if (directory){
            to  =  from  +   ' .zip ' ;
        } else {
            to  =  from  +   ' .gz ' ;
        }
        
         if (( new  File(to)).exists()){
            println( ' Compress: won\ ' t overwrite existing file: '  + to);
            System.exit( 0 );
        }
         if (directory)
            Compress.zipDirectory (from, to);
         else
            Compress.gzipFile from, to;
    }
}

Kyle Wang