将指定目录下所有的固定后缀的文件拷贝到另一个目录

import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class GetSpecFiles implements FileFilter
{
   
    public void getFiles(String location) 
    {
       
        File file =new File(location);
        File []files =file.listFiles();
        for(File f :files)
        {
            if(f.isDirectory())
            {
                getFiles(f.getPath());
            }
            else
            {
                if(accept(f))
                {
                    try
                    {
                        this.copyFile(f.getPath(), "F:/files/", f.getName());
                    }
                    catch (IOException e)
                    {
                        e.printStackTrace();
                    }
                }
            }
        }
    }
   
    /**
     * @param args
     */
    public static void main(String[] args)
    {
        GetSpecFiles gsf=new GetSpecFiles();
        long time1 = System.currentTimeMillis();
        gsf.getFiles("E:/");
        long time2 = System.currentTimeMillis();
        System.out.print((time2-time1)/(3600*1000));

    }

    @Override
    public boolean accept(File file)
    {
        try
        {

            String[] fileName = file.getName().split("//.");

            if (fileName[1].equalsIgnoreCase("jpg"))
            {
                return true;
            }
            else
            {

                return false;
            }
        }
        catch (Exception e)
        {
            return false;
        }
    }
   
    public  void copyFile(String srcFileName, String destFileDirName,
            String destFileName) throws IOException {
        File srcFile = new File(srcFileName);
        File destFileDir = new File(destFileDirName);
        File destFile = new File(destFileDirName + destFileName);
        FileOutputStream fos = null;
        FileInputStream fis = null;

        //if the source file is empty.
        if (0 == srcFile.length()) {

        }

        //if target directory dosen't exist, make it.
        if (!destFileDir.exists()) {
            if (!destFileDir.mkdirs()) {
            }
        }

        try {
            fis = new FileInputStream(srcFile);
            fos = new FileOutputStream(destFile);
            byte[] buffer = new byte[1024];
            int i = 0;

            //copy content from source file to target file.
            while ((i = fis.read(buffer)) != -1) {
                fos.write(buffer, 0, i);
                fos.flush();
            }
        } catch (FileNotFoundException e) {
            ;
        } finally {
            IOUtil.close(fis);
            IOUtil.close(fos);
        }
    }

}