HDFS-7832. Show 'Last Modified' in Namenode's 'Browse Filesystem' (Contributed by Vinayakumar B)

(cherry picked from commit 166eecf687)

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -378,6 +378,9 @@ Release 2.7.0 - UNRELEASED
     HDFS-7537. Add "UNDER MIN REPL'D BLOCKS" count to fsck.  (GAO Rui via
     szetszwo)
 
+    HDFS-7832. Show 'Last Modified' in Namenode's 'Browse Filesystem'
+    (vinayakumarb)
+
   OPTIMIZATIONS
 
     HDFS-7454. Reduce memory footprint for AclEntries in NameNode.

hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.html

@@ -112,6 +112,7 @@
             <th>Owner</th>
             <th>Group</th>
             <th>Size</th>
+            <th>Last Modified</th>
             <th>Replication</th>
             <th>Block Size</th>
             <th>Name</th>
@@ -124,6 +125,7 @@
             <td>{owner}</td>
             <td>{group}</td>
             <td>{length|fmt_bytes}</td>
+            <td>{#helper_date_tostring value="{modificationTime}"/}</td>
             <td>{replication}</td>
             <td>{blockSize|fmt_bytes}</td>
             <td><a style="cursor:pointer" inode-type="{type}" class="explorer-browse-links" inode-path="{pathSuffix}">{pathSuffix}</a></td>

hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js

@@ -143,6 +143,12 @@
   }
 
   function browse_directory(dir) {
+    var HELPERS = {
+      'helper_date_tostring' : function (chunk, ctx, bodies, params) {
+        var value = dust.helpers.tap(params.value, chunk, ctx);
+        return chunk.write('' + new Date(Number(value)).toLocaleString());
+      }
+    };
     var url = '/webhdfs/v1' + dir + '?op=LISTSTATUS';
     $.get(url, function(data) {
       var d = get_response(data, "FileStatuses");
@@ -154,7 +160,8 @@
       current_directory = dir;
       $('#directory').val(dir);
       window.location.hash = dir;
-      dust.render('explorer', d, function(err, out) {
+      var base = dust.makeBase(HELPERS);
+      dust.render('explorer', base.push(d), function(err, out) {
         $('#panel').html(out);
 
         $('.explorer-browse-links').click(function() {