public boolean isMatch()

in dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/router/mesh/rule/virtualservice/match/DubboMethodMatch.java [82:132]

45 lines of code
23 McCabe index (conditional complexity)


    public boolean isMatch(Invocation invocation) {
        StringMatch nameMatch = getName_match();
        if (nameMatch != null && !nameMatch.isMatch(RpcUtils.getMethodName(invocation))) {
            return false;
        }

        Integer argc = getArgc();
        Object[] arguments = invocation.getArguments();
        if (argc != null
                && ((argc != 0 && (arguments == null || arguments.length == 0)) || (argc != arguments.length))) {
            return false;
        }

        List<StringMatch> argp = getArgp();
        Class<?>[] parameterTypes = invocation.getParameterTypes();
        if (argp != null && argp.size() > 0) {
            if (parameterTypes == null || parameterTypes.length == 0) {
                return false;
            }
            if (argp.size() != parameterTypes.length) {
                return false;
            }

            for (int index = 0; index < argp.size(); index++) {
                boolean match = argp.get(index).isMatch(parameterTypes[index].getName())
                        || argp.get(index).isMatch(parameterTypes[index].getSimpleName());
                if (!match) {
                    return false;
                }
            }
        }

        List<DubboMethodArg> args = getArgs();
        if (args != null && args.size() > 0) {
            if (arguments == null || arguments.length == 0) {
                return false;
            }

            for (DubboMethodArg dubboMethodArg : args) {
                int index = dubboMethodArg.getIndex();
                if (index >= arguments.length) {
                    throw new IndexOutOfBoundsException("DubboMethodArg index >= parameters.length");
                }
                if (!dubboMethodArg.isMatch(arguments[index])) {
                    return false;
                }
            }
        }

        return true;
    }