package jnpf.dmsPermission;

public final class DmsFileSearchPolicy {
    public static final int MAX_KEYWORD_LENGTH = 200;

    private DmsFileSearchPolicy() {
    }

    public static String normalizeKeyword(String value) {
        if (value == null || value.trim().isEmpty()) {
            return null;
        }
        String normalized = value.trim();
        if (normalized.length() > MAX_KEYWORD_LENGTH) {
            throw DmsPermissionException.of(DmsPermissionError.INVALID_REQUEST,
                    "keyword 长度不能超过 " + MAX_KEYWORD_LENGTH + " 个字符");
        }
        return normalized;
    }
}