ClassNameURIIdentifierMapper { public String getIdentifier(String className) { if (classNameIdentifiersMap != null) { return classNameIdentifiersMap.get(className); } return null; } private  ClassNameURIIdentifierMapper(); static ClassNameURIIdentifierMapper getMapper(); String getIdentifier(String className);  }
@Test public void getIdentifier() { ClassNameURIIdentifierMapper mapper = ClassNameURIIdentifierMapper.getMapper(); Assert.assertEquals("vatNumber", mapper.getIdentifier("Company")); }