code: private static String getColumnTitle(final PropertyDescriptor _property) {
          final StringBuilder buffer = new StringBuilder();
          final String name = _property.getName();
          buffer.append(Character.toUpperCase(name.charAt(0)));
          for (int i = 1; i < name.length(); i++) {
              final char c = name.charAt(i);
              if (Character.isUpperCase(c)) {
                  buffer.append(' ');
              }
              buffer.append(c);
          }
          return buffer.toString();
      }
docs: Calculates a column title using camel humps to separate words.
  @param _property the property descriptor.
  @return the column title for the given property.