public static MLInput parse()

in common/src/main/java/org/opensearch/ml/common/parameter/MLInput.java [133:168]
34 lines of code
7 McCabe index (conditional complexity)

    public static MLInput parse(XContentParser parser, String inputAlgoName) throws IOException {
        String algorithmName = inputAlgoName.toUpperCase(Locale.ROOT);
        FunctionName algorithm = FunctionName.valueOf(algorithmName);
        MLAlgoParams mlParameters = null;
        SearchSourceBuilder searchSourceBuilder = null;
        List<String> sourceIndices = new ArrayList<>();
        DataFrame dataFrame = null;

        ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
        while (parser.nextToken() != XContentParser.Token.END_OBJECT) {
            String fieldName = parser.currentName();
            parser.nextToken();

            switch (fieldName) {
                case ML_PARAMETERS_FIELD:
                    mlParameters = parser.namedObject(MLAlgoParams.class, algorithmName, null);
                    break;
                case INPUT_INDEX_FIELD:
                    ensureExpectedToken(XContentParser.Token.START_ARRAY, parser.currentToken(), parser);
                    while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
                        sourceIndices.add(parser.text());
                    }
                    break;
                case INPUT_QUERY_FIELD:
                    ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
                    searchSourceBuilder = SearchSourceBuilder.fromXContent(parser, false);
                    break;
                case INPUT_DATA_FIELD:
                    dataFrame = DefaultDataFrame.parse(parser);
                default:
                    parser.skipChildren();
                    break;
            }
        }
        return new MLInput(algorithm, mlParameters, searchSourceBuilder, sourceIndices, dataFrame, null);
    }