dz.lab.hdfs.LsWithPathFilter.java Source code

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Here is the source code for dz.lab.hdfs.LsWithPathFilter.java

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/**
 * (c) Copyright 2005-2014 Heavenize SAS
 * 34, rue serpente, 75006 Paris, FRANCE
 * HEAVENIZE project
 *
 * This code is the property of Heavenize SAS
 * Registration : RCS PARIS B 508 496 528
 * For any question or license, please contact Heavenize at info@heavenize.com
 */
package dz.lab.hdfs;

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.PathFilter;

public class LsWithPathFilter {

    /**
     * @param args
     * @throws IOException 
     */
    public static void main(String[] args) throws IOException {
        Configuration conf = new Configuration();
        FileSystem fs = FileSystem.get(conf);

        Path path = new Path("/");
        // restrict result of listStatus() by supplying PathFilter    
        FileStatus[] files = fs.listStatus(path, new PathFilter() {

            @Override
            public boolean accept(Path path) {
                // do not show path whose name equals to user
                if (path.getName().equals("user")) {
                    return false;
                }
                return true;
            }
        });

        for (FileStatus file : files) {
            System.out.println(file.getPath().getName());
        }
    }

}