public boolean topicFilterMatch()

in aws-iot-device-sdk-java/src/main/java/com/amazonaws/services/iot/client/core/AbstractAwsIotClient.java [379:402]

• 19 lines of code
• 8 McCabe index (conditional complexity)

    public boolean topicFilterMatch(String topicFilter, String topic) {
        if (topicFilter == null || topic == null) {
            return false;
        }

        String[] filterTokens = topicFilter.split("/");
        String[] topicTokens = topic.split("/");
        if (filterTokens.length > topicTokens.length) {
            return false;
        }

        for (int i = 0; i < filterTokens.length; i++) {
            if (filterTokens[i].equals("#")) {
                // '#' must be the last character
                return ((i + 1) == filterTokens.length);
            }

            if (!(filterTokens[i].equals(topicTokens[i]) || filterTokens[i].equals("+"))) {
                return false;
            }
        }

        return (filterTokens.length == topicTokens.length);
    }