protected void fillAttrQuery()

in core/persistence-neo4j/src/main/java/org/apache/syncope/core/persistence/neo4j/dao/Neo4jAnySearchDAO.java [511:621]
97 lines of code
24 McCabe index (conditional complexity)

    protected void fillAttrQuery(
            final TextStringBuilder query,
            final PlainAttrValue attrValue,
            final PlainSchema schema,
            final AnyCond cond,
            final boolean not,
            final Map<String, Object> parameters) {

        if (not && cond.getType() == AttrCond.Type.ISNULL) {
            cond.setType(AttrCond.Type.ISNOTNULL);
            fillAttrQuery(query, attrValue, schema, cond, true, parameters);
            return;
        }
        if (not) {
            query.append("NOT (");
            fillAttrQuery(query, attrValue, schema, cond, false, parameters);
            query.append(')');
            return;
        }
        if (not && cond.getType() == AttrCond.Type.ISNULL) {
            cond.setType(AttrCond.Type.ISNOTNULL);
            fillAttrQuery(query, attrValue, schema, cond, true, parameters);
            return;
        }

        boolean lower = schema.getType().isStringClass()
                && (cond.getType() == AttrCond.Type.IEQ || cond.getType() == AttrCond.Type.ILIKE);

        String property = "n." + cond.getSchema();
        if (lower) {
            property = "toLower (" + property + ')';
        }

        switch (cond.getType()) {

            case ISNULL ->
                query.append(property).append(" IS NULL");

            case ISNOTNULL ->
                query.append(property).append(" IS NOT NULL");

            case ILIKE, LIKE -> {
                if (schema.getType().isStringClass()) {
                    query.append(property).append(" =~ ");
                    if (lower) {
                        query.append("toLower($").
                                append(setParameter(parameters, cond.getExpression().replace("%", ".*"))).
                                append(')');
                    } else {
                        query.append('$').append(setParameter(parameters, cond.getExpression().replace("%", ".*")));
                    }
                } else {
                    query.append(' ').append(ALWAYS_FALSE_CLAUSE);
                    LOG.error("LIKE is only compatible with string or enum schemas");
                }
            }

            case IEQ, EQ -> {
                query.append(property).append('=');

                if (lower) {
                    query.append("toLower($").append(setParameter(parameters, attrValue.getValue())).append(')');
                } else {
                    query.append('$').append(setParameter(parameters, attrValue.getValue()));
                }
            }

            case GE -> {
                query.append(property);
                if (not) {
                    query.append('<');
                } else {
                    query.append(">=");
                }
                query.append('$').append(setParameter(parameters, attrValue.getValue()));
            }

            case GT -> {
                query.append(property);
                if (not) {
                    query.append("<=");
                } else {
                    query.append('>');
                }
                query.append('$').append(setParameter(parameters, attrValue.getValue()));
            }

            case LE -> {
                query.append(property);
                if (not) {
                    query.append('>');
                } else {
                    query.append("<=");
                }
                query.append('$').append(setParameter(parameters, attrValue.getValue()));
            }

            case LT -> {
                query.append(property);
                if (not) {
                    query.append(">=");
                } else {
                    query.append('<');
                }
                query.append('$').append(setParameter(parameters, attrValue.getValue()));
            }

            default -> {
            }
        }
    }