public byte[] createTokenizer(final String[] httpVerbs, String[] httpVersions, String[] standardHeaders) { final String className = existingClassName + CLASS_NAME_SUFFIX; final ClassFile file = new ClassFile(className, existingClassName); final ClassMethod ctor = file.addMethod(AccessFlag.PUBLIC, "<init>", "V", DescriptorUtils.parameterDescriptors(constructorDescriptor)); ctor.getCodeAttribute().aload(0); ctor.getCodeAttribute().loadMethodParameters(); ctor.getCodeAttribute().invokespecial(existingClassName, "<init>", constructorDescriptor); ctor.getCodeAttribute().returnInstruction(); final ClassMethod sctor = file.addMethod(AccessFlag.PUBLIC | AccessFlag.STATIC, "<clinit>", "V"); final AtomicInteger fieldCounter = new AtomicInteger(1); sctor.getCodeAttribute().invokestatic(existingClassName, "httpStrings", "()" + DescriptorUtils.makeDescriptor(Map.class)); sctor.getCodeAttribute().astore(CONSTRUCTOR_HTTP_STRING_MAP_VAR); createStateMachines(httpVerbs, httpVersions, standardHeaders, className, file, sctor, fieldCounter); sctor.getCodeAttribute().returnInstruction(); return file.toBytecode(); }