Package org.apache.hadoop.hdfs.web

Examples of org.apache.hadoop.hdfs.web.WebHdfsFileSystem.listStatus()

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      URI uri = new URI("webhdfs://localhost:" + String.valueOf(port));
      Configuration conf = new Configuration();
      WebHdfsFileSystem webhdfs = (WebHdfsFileSystem)FileSystem.get(uri, conf);

      // verify the number of directories
      FileStatus[] statuses = webhdfs.listStatus(new Path("/"));
      assertEquals(NUM_DIRS + 2, statuses.length); // contains empty and xattr directory

      // verify the number of files in the directory
      statuses = webhdfs.listStatus(new Path("/dir0"));
      assertEquals(FILES_PER_DIR, statuses.length);
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      // verify the number of directories
      FileStatus[] statuses = webhdfs.listStatus(new Path("/"));
      assertEquals(NUM_DIRS + 2, statuses.length); // contains empty and xattr directory

      // verify the number of files in the directory
      statuses = webhdfs.listStatus(new Path("/dir0"));
      assertEquals(FILES_PER_DIR, statuses.length);

      // compare a file
      FileStatus status = webhdfs.listStatus(new Path("/dir0/file0"))[0];
      FileStatus expected = writtenFiles.get("/dir0/file0");
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      // verify the number of files in the directory
      statuses = webhdfs.listStatus(new Path("/dir0"));
      assertEquals(FILES_PER_DIR, statuses.length);

      // compare a file
      FileStatus status = webhdfs.listStatus(new Path("/dir0/file0"))[0];
      FileStatus expected = writtenFiles.get("/dir0/file0");
      compareFile(expected, status);

      // LISTSTATUS operation to an empty directory
      statuses = webhdfs.listStatus(new Path("/emptydir"));
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      FileStatus status = webhdfs.listStatus(new Path("/dir0/file0"))[0];
      FileStatus expected = writtenFiles.get("/dir0/file0");
      compareFile(expected, status);

      // LISTSTATUS operation to an empty directory
      statuses = webhdfs.listStatus(new Path("/emptydir"));
      assertEquals(0, statuses.length);

      // LISTSTATUS operation to a invalid path
      URL url = new URL("http://localhost:" + port +
                    "/webhdfs/v1/invalid/?op=LISTSTATUS");
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