title: Can WebDataBinder#getObjectName() return null?
body: <p>I extends </p>
  
  <pre><code>public class RenamingProcessor extends ServletModelAttributeMethodProcessor {
          @Override
          protected void bindRequestParameters(WebDataBinder binder,     NativeWebRequest nativeWebRequest) {
              ...    
              binder.getObjectName();
              ...
          }
  }
  </code></pre>
  
  <p>Can <code>binder.getObjectName()</code> returns null?</p>
  
  <p>I tried to research source but I didn't find  this information in javadoc?</p>