code: protected static String getParentNameFromURI(final StorageUri resourceAddress, final CloudFileShare share)
              throws URISyntaxException {
          Utility.assertNotNull("resourceAddress", resourceAddress);
          Utility.assertNotNull("share", share);
  
          String delimiter = "/";
          String shareName = share.getName() + delimiter;
  
          String relativeURIString = Utility.safeRelativize(share.getStorageUri().getPrimaryUri(),
                  resourceAddress.getPrimaryUri());
  
          if (relativeURIString.endsWith(delimiter)) {
              relativeURIString = relativeURIString.substring(0, relativeURIString.length() - delimiter.length());
          }
  
          String parentName;
  
          if (Utility.isNullOrEmpty(relativeURIString)) {
              // Case 1 /<ShareName>[Delimiter]*? => /<ShareName>
              // Parent of share is share itself
              parentName = null;
          }
          else {
              final int lastDelimiterDex = relativeURIString.lastIndexOf(delimiter);
  
              if (lastDelimiterDex < 0) {
                  // Case 2 /<Share>/<Directory>
                  // Parent of a Directory is Share
                  parentName = "";
              }
              else {
                  // Case 3 /<Share>/<Directory>/[<subDirectory>/]*<FileName>
                  // Parent of CloudFile is CloudFileDirectory
                  parentName = relativeURIString.substring(0, lastDelimiterDex);
                  if (parentName != null && parentName.equals(shareName)) {
                      parentName = "";
                  }
              }
          }
  
          return parentName;
      }
docs: Retrieves the parent name for a file URI.
  
  @param resourceAddress
  A {@link StorageUri} object which represents the resource URI.
  @param delimiter
  A <code>String</code> which specifies the directory delimiter to use.
  @param usePathStyleUris
  A <code>Boolean</code> which specifies whether path style URIs are used.
  @param share
  A {@link CloudFileShare} object which represents the file share.
  
  @return A <code>String</code> which represents the parent address for a file URI.
  
  @throws URISyntaxException