1 import org.apache.hadoop.conf.Configuration;
2 import org.apache.hadoop.fs.*;
3 import org.apache.hadoop.fs.FileSystem;
4 import java.io.*;
5
6 public class B_DownLoadFile {
7 public static void copyToLocal(FileSystem fs, Path p_LocalPath,
8 Path p_RemotePath, String s_LocalPath, String s_RemotePath) {
9 try {
10 File f = new File(s_LocalPath);
11 Integer i = Integer.valueOf(0);
12 while (f.exists()) {
13 i++;
14 Integer lasti=Integer.valueOf(i-1);
15 String[] split_path = s_LocalPath.split("/");
16 String[] filename = split_path[4].split("\\.");
17
18 if(i>1){
19 filename[0]=filename[0].replace("("+lasti+")", "");
20 System.out.println(filename[0] + "("
21 + lasti.toString() + ")" +"."+ filename[1] + " existed.");
22 }
23 else
24 System.out.println(filename[0] +"."+ filename[1] + " existed.");
25 s_LocalPath = "/"+split_path[1] + "/" + split_path[2] + "/"
26 + split_path[3] + "/" +filename[0] + "("
27 + i.toString() + ")" +"."+ filename[1];
28 f = new File(s_LocalPath);
29 }
30 System.out.println("Download to " + s_LocalPath);
31 p_LocalPath = new Path(s_LocalPath);
32 fs.copyToLocalFile(p_RemotePath, p_LocalPath);
33 } catch (IOException e) {
34 e.printStackTrace();
35 }
36 }
37
38 public static void main(String[] args) {
39 Var_init var = new Var_init();
40 try {
41 B_DownLoadFile.copyToLocal(var.fs, var.p_localFilePath,
42 var.p_remoteFilePath, var.s_localFilePath,
43 var.s_remoteFilePath);
44 } catch (Exception e) {
45 e.printStackTrace();
46 }
47 }
48 }
