public String stringToSign()

in sdk/storage/azure-storage-file-datalake/src/main/java/com/azure/storage/file/datalake/implementation/util/DataLakeSasImplUtil.java [378:468]


    public String stringToSign(final UserDelegationKey key, String canonicalName) {
        if (VERSION.compareTo(DataLakeServiceVersion.V2019_12_12.getVersion()) <= 0) {
            return String.join("\n", this.permissions == null ? "" : this.permissions,
                this.startTime == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(this.startTime),
                this.expiryTime == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(this.expiryTime),
                canonicalName, key.getSignedObjectId() == null ? "" : key.getSignedObjectId(),
                key.getSignedTenantId() == null ? "" : key.getSignedTenantId(),
                key.getSignedStart() == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(key.getSignedStart()),
                key.getSignedExpiry() == null
                    ? ""
                    : Constants.ISO_8601_UTC_DATE_FORMATTER.format(key.getSignedExpiry()),
                key.getSignedService() == null ? "" : key.getSignedService(),
                key.getSignedVersion() == null ? "" : key.getSignedVersion(),
                this.sasIpRange == null ? "" : this.sasIpRange.toString(),
                this.protocol == null ? "" : this.protocol.toString(), VERSION, resource, "", /* Version segment. */
                this.cacheControl == null ? "" : this.cacheControl,
                this.contentDisposition == null ? "" : this.contentDisposition,
                this.contentEncoding == null ? "" : this.contentEncoding,
                this.contentLanguage == null ? "" : this.contentLanguage,
                this.contentType == null ? "" : this.contentType);
        } else if (VERSION.compareTo(DataLakeServiceVersion.V2020_10_02.getVersion()) <= 0) {
            return String.join("\n", this.permissions == null ? "" : this.permissions,
                this.startTime == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(this.startTime),
                this.expiryTime == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(this.expiryTime),
                canonicalName, key.getSignedObjectId() == null ? "" : key.getSignedObjectId(),
                key.getSignedTenantId() == null ? "" : key.getSignedTenantId(),
                key.getSignedStart() == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(key.getSignedStart()),
                key.getSignedExpiry() == null
                    ? ""
                    : Constants.ISO_8601_UTC_DATE_FORMATTER.format(key.getSignedExpiry()),
                key.getSignedService() == null ? "" : key.getSignedService(),
                key.getSignedVersion() == null ? "" : key.getSignedVersion(),
                this.authorizedAadObjectId == null ? "" : this.authorizedAadObjectId,
                this.unauthorizedAadObjectId == null ? "" : this.unauthorizedAadObjectId,
                this.correlationId == null ? "" : this.correlationId,
                this.sasIpRange == null ? "" : this.sasIpRange.toString(),
                this.protocol == null ? "" : this.protocol.toString(), VERSION, resource, "", /* Version segment. */
                this.cacheControl == null ? "" : this.cacheControl,
                this.contentDisposition == null ? "" : this.contentDisposition,
                this.contentEncoding == null ? "" : this.contentEncoding,
                this.contentLanguage == null ? "" : this.contentLanguage,
                this.contentType == null ? "" : this.contentType);
        } else if (VERSION.compareTo(DataLakeServiceVersion.V2025_05_05.getVersion()) <= 0) {
            return String.join("\n", this.permissions == null ? "" : this.permissions,
                this.startTime == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(this.startTime),
                this.expiryTime == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(this.expiryTime),
                canonicalName, key.getSignedObjectId() == null ? "" : key.getSignedObjectId(),
                key.getSignedTenantId() == null ? "" : key.getSignedTenantId(),
                key.getSignedStart() == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(key.getSignedStart()),
                key.getSignedExpiry() == null
                    ? ""
                    : Constants.ISO_8601_UTC_DATE_FORMATTER.format(key.getSignedExpiry()),
                key.getSignedService() == null ? "" : key.getSignedService(),
                key.getSignedVersion() == null ? "" : key.getSignedVersion(),
                this.authorizedAadObjectId == null ? "" : this.authorizedAadObjectId,
                this.unauthorizedAadObjectId == null ? "" : this.unauthorizedAadObjectId,
                this.correlationId == null ? "" : this.correlationId,
                this.sasIpRange == null ? "" : this.sasIpRange.toString(),
                this.protocol == null ? "" : this.protocol.toString(), VERSION, resource, "", /* Version segment. */
                this.encryptionScope == null ? "" : this.encryptionScope,
                this.cacheControl == null ? "" : this.cacheControl,
                this.contentDisposition == null ? "" : this.contentDisposition,
                this.contentEncoding == null ? "" : this.contentEncoding,
                this.contentLanguage == null ? "" : this.contentLanguage,
                this.contentType == null ? "" : this.contentType);
        } else {
            return String.join("\n", this.permissions == null ? "" : this.permissions,
                this.startTime == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(this.startTime),
                this.expiryTime == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(this.expiryTime),
                canonicalName, key.getSignedObjectId() == null ? "" : key.getSignedObjectId(),
                key.getSignedTenantId() == null ? "" : key.getSignedTenantId(),
                key.getSignedStart() == null ? "" : Constants.ISO_8601_UTC_DATE_FORMATTER.format(key.getSignedStart()),
                key.getSignedExpiry() == null
                    ? ""
                    : Constants.ISO_8601_UTC_DATE_FORMATTER.format(key.getSignedExpiry()),
                key.getSignedService() == null ? "" : key.getSignedService(),
                key.getSignedVersion() == null ? "" : key.getSignedVersion(),
                this.authorizedAadObjectId == null ? "" : this.authorizedAadObjectId,
                this.unauthorizedAadObjectId == null ? "" : this.unauthorizedAadObjectId,
                this.correlationId == null ? "" : this.correlationId, "", /* new schema 2025-07-05 */
                "", /* new schema 2025-07-05 */
                this.sasIpRange == null ? "" : this.sasIpRange.toString(),
                this.protocol == null ? "" : this.protocol.toString(), VERSION, resource, "", /* Version segment. */
                this.encryptionScope == null ? "" : this.encryptionScope,
                this.cacheControl == null ? "" : this.cacheControl,
                this.contentDisposition == null ? "" : this.contentDisposition,
                this.contentEncoding == null ? "" : this.contentEncoding,
                this.contentLanguage == null ? "" : this.contentLanguage,
                this.contentType == null ? "" : this.contentType);
        }
    }