code: @Override
      public String getContextRoot() {
          if (delegate == null) {
              return this.contextRoot;
          } else {
              return this.contextRoot == null ? delegate.getContextRoot() : this.contextRoot;
          }
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.javaee.ddmodel.wsbnd.HttpPublishing#getContextRoot()