003、java连接Hadoop2.5.1获取文件系统信息

 1 package hadoop;
 2 
 3 import java.io.IOException;
 4 import java.text.DateFormat;
 5 import java.util.Date;
 6 
 7 import org.apache.hadoop.conf.Configuration;
 8 import org.apache.hadoop.fs.FileStatus;
 9 import org.apache.hadoop.fs.FileSystem;
10 import org.apache.hadoop.fs.Path;
11 
12 public class HadoopTest {
13     public static void main(String[] args) throws IOException {
14         System.out.println("12");
15         Configuration conf = new Configuration();
16         conf.set("fs.defaultFS", "hdfs://192.168.0.204:9000");
17         FileSystem fs = FileSystem.get(conf);
18         FileStatus[] s = fs.listStatus(new Path("/"));
19         for (int i = 0; i < s.length; i++) {
20             FileStatus f = s[i];
21             System.out.println(f.getPath().getName());
22             System.out.println(f.getLen());
23             System.out.println(f.getModificationTime());
24             Date date = new Date(f.getModificationTime());
25             String d = DateFormat.getDateInstance().format(date);
26             System.out.println(d);
27         }
28         fs.close();
29     }
30 }