public boolean isEncodeEquals()

in src/main/java/org/apache/commons/codec/language/MatchRatingApproachEncoder.java [206:258]
29 lines of code
11 McCabe index (conditional complexity)

    public boolean isEncodeEquals(String name1, String name2) {
        // Bulletproof for trivial input - NINO
        if (name1 == null || EMPTY.equalsIgnoreCase(name1) || SPACE.equalsIgnoreCase(name1)) {
            return false;
        }
        if (name2 == null || EMPTY.equalsIgnoreCase(name2) || SPACE.equalsIgnoreCase(name2)) {
            return false;
        }
        if (name1.length() == 1 || name2.length() == 1) {
            return false;
        }
        if (name1.equalsIgnoreCase(name2)) {
            return true;
        }

        // Preprocessing
        name1 = cleanName(name1);
        name2 = cleanName(name2);

        // Actual MRA Algorithm

        // 1. Remove vowels
        name1 = removeVowels(name1);
        name2 = removeVowels(name2);

        // 2. Remove double consonants
        name1 = removeDoubleConsonants(name1);
        name2 = removeDoubleConsonants(name2);

        // 3. Reduce down to 3 letters
        name1 = getFirst3Last3(name1);
        name2 = getFirst3Last3(name2);

        // 4. Check for length difference - if 3 or greater, then no similarity
        // comparison is done
        if (Math.abs(name1.length() - name2.length()) >= 3) {
            return false;
        }

        // 5. Obtain the minimum rating value by calculating the length sum of the
        // encoded Strings and sending it down.
        final int sumLength = Math.abs(name1.length() + name2.length());
        final int minRating = getMinRating(sumLength);

        // 6. Process the encoded Strings from left to right and remove any
        // identical characters found from both Strings respectively.
        final int count = leftToRightThenRightToLeftProcessing(name1, name2);

        // 7. Each PNI item that has a similarity rating equal to or greater than
        // the min is considered to be a good candidate match
        return count >= minRating;

    }