NestedFieldsHttpServletRequestWrapper extends HttpServletRequestWrapper { @Override public String getParameter(String name) { return super.getParameter(_fieldName + "." + name); } NestedFieldsHttpServletRequestWrapper(
		String fieldName, HttpServletRequest httpServletRequest); @Override String getParameter(String name);  }
@Test public void testGetParameter() { NestedFieldsHttpServletRequestWrapper nestedFieldsHttpServletRequestWrapper = new NestedFieldsHttpServletRequestWrapper( "skus", new MockHttpServletRequest( "skus", "externalReferenceCode", "12345", "width", "11")); Assert.assertEquals( "12345", nestedFieldsHttpServletRequestWrapper.getParameter( "externalReferenceCode")); Assert.assertEquals( "11", nestedFieldsHttpServletRequestWrapper.getParameter("width")); }