图片压缩升级代码

@RequestMapping(value = "/compressimage/{maxnewsid}", method = RequestMethod.GET)
public @ResponseBody String compressimage(Locale locale, @PathVariable int maxnewsid,
Model model, HttpServletRequest request)
{
String baseUrl = String.format("%s://%s:%d/", request.getScheme(),
request.getServerName(), request.getServerPort());

for(int newsid = 1; newsid <= maxnewsid; newsid++)
{
MabNews mabNews = mabNewsService.getMabNewsByNewsid(newsid);
if(mabNews == null)
{
continue;
}


String sSubDir = String.valueOf(mabNews.getCategoryorderno());
String fileDir = sImageRoot + "mabnewsthumbnail" + File.separator
           + sSubDir + File.separator;
File dir = new File(fileDir);
if(!dir.exists())
{
continue;
}
File file[] = dir.listFiles();
for (int i = 0; i < file.length; i++)
{
if (file[i].isDirectory())
{
continue;
}
String absPath = file[i].getAbsolutePath();
if(absPath.contains("small"))
{
continue;
}

String ImageFilename = newsid + "."
           + getExtensionName(absPath);
String smallImageFilename = newsid + "_small."
           + getExtensionName(absPath);

String filePath = sImageRoot + "mabnewsthumbnail" + File.separator
           + sSubDir + File.separator + ImageFilename;
if(filePath.compareTo(absPath) != 0)
{
continue;
}
   String smallFilePath = sImageRoot + "mabnewsthumbnail" + File.separator
           + sSubDir + File.separator + smallImageFilename;
 
   String sImageUrl = baseUrl + "mabnewsthumbnail/" + sSubDir + "/"
           + ImageFilename;
   String sSmallImageUrl = baseUrl + "mabnewsthumbnail/" + sSubDir + "/"
           + smallImageFilename;
   try {
       compressImage(filePath, smallFilePath, 50, 50);
       mabNews.setThumbnail(sSmallImageUrl);
       mabNewsService.updateNewsImageurl(mabNews);
   } catch (IOException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
   } catch (InterruptedException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
   } catch (IM4JavaException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
   }
}
}
return "OK";
}