code: @Override
      public File findFile(RepositoryPointerImpl location) {
          // Assume that instanceIds are good and check fileId only.
          File result = getChild(location.getFileId());
          return isFile(result) ? result : null;
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.logging.hpel.LogFileBrowser#find(com.ibm.ws.logging.hpel.impl.RepositoryPointerImpl)