FileDetail

import org.apache.hadoop.conf.*;import org.apache.hadoop.fs.*;import java.io.IOException;import java.net.URI;import java.net.URISyntaxException;import java.sql.Date;import java.text.SimpleDateFormat;/*** * 查看HDFS上的/user/hadoop/file.txt文件的属性信息 * @author  * */public class FileDetail {    public static void main(String[] args) throws URISyntaxException, IOException, InterruptedException {        Configuration conf=new Configuration();           URI uri=new URI("hdfs://192.168.1.100:9000");           FileSystem fs=FileSystem.get(uri,conf,"hadoop");           //locate file 文件位置           Path fpath=new Path("/user/hadoop/file.txt");           FileStatus filestatus=fs.getFileLinkStatus(fpath);           //get block size 获取文件块大小           long blocksize=filestatus.getBlockSize();           System.out.println("blocksize:"+blocksize);           //get file size 获取文件大小           long filesize=filestatus.getLen();           System.out.println("filesize:"+filesize);           //get file owner 获取文件所属者           String fileowner=filestatus.getOwner();           System.out.println("fileowner:"+fileowner);           //get file access time 获取文件存取时间           SimpleDateFormat formatter=new SimpleDateFormat("yyyy-mm-dd hh:mm:ss");           long accessTime=filestatus.getAccessTime();           System.out.println("access time:"+formatter.format(new Date(accessTime)));           //get file modify time 获取文件修改时间           long modifyTime=filestatus.getModificationTime();           System.out.println("modify time:"+formatter.format(new Date(modifyTime)));    }}