fints4k/fints4javaLib/src/main/kotlin/net/dankito/fints/response/ResponseParser.kt
2019-10-26 18:22:06 +02:00

638 lines
No EOL
29 KiB
Kotlin

package net.dankito.fints.response
import net.dankito.fints.messages.Separators
import net.dankito.fints.messages.datenelemente.abgeleiteteformate.Datum
import net.dankito.fints.messages.datenelemente.abgeleiteteformate.Uhrzeit
import net.dankito.fints.messages.datenelemente.implementierte.Dialogsprache
import net.dankito.fints.messages.datenelemente.implementierte.HbciVersion
import net.dankito.fints.messages.datenelemente.implementierte.ICodeEnum
import net.dankito.fints.messages.datenelemente.implementierte.signatur.Sicherheitsfunktion
import net.dankito.fints.messages.datenelemente.implementierte.signatur.Sicherheitsverfahren
import net.dankito.fints.messages.datenelemente.implementierte.signatur.VersionDesSicherheitsverfahrens
import net.dankito.fints.messages.datenelemente.implementierte.tan.*
import net.dankito.fints.messages.datenelementgruppen.implementierte.Kreditinstitutskennung
import net.dankito.fints.messages.datenelementgruppen.implementierte.signatur.Sicherheitsprofil
import net.dankito.fints.messages.segmente.id.MessageSegmentId
import net.dankito.fints.response.segments.*
import net.dankito.fints.transactions.IAccountTransactionsParser
import net.dankito.fints.transactions.Mt940AccountTransactionsParser
import net.dankito.fints.util.MessageUtils
import org.slf4j.LoggerFactory
import java.math.BigDecimal
import java.util.*
import java.util.regex.Pattern
open class ResponseParser @JvmOverloads constructor(
protected val mt940Parser: IAccountTransactionsParser = Mt940AccountTransactionsParser(),
protected val messageUtils: MessageUtils = MessageUtils()
) {
companion object {
val EncryptionDataSegmentHeaderPattern: Pattern = Pattern.compile("${MessageSegmentId.EncryptionData.id}:\\d{1,3}:\\d{1,3}\\+")
val JobParametersSegmentPattern: Pattern = Pattern.compile("HI[A-Z]{3}S")
const val FeedbackParametersSeparator = "; "
const val AufsetzpunktResponseCode = 3040
const val SupportedTanProceduresForUserResponseCode = 3920
private val log = LoggerFactory.getLogger(ResponseParser::class.java)
}
open fun parse(response: String): Response {
try {
val segments = splitIntoPartsAndUnmask(response, Separators.SegmentSeparator)
val parsedSegments = segments.mapNotNull { parseSegment(it) }
return Response(true, response, parsedSegments)
} catch (e: Exception) {
log.error("Could not parse response '$response'", e)
return Response(true, response, exception = e)
}
}
protected open fun parseSegment(segment: String): ReceivedSegment? {
try {
if (segment.isNotEmpty()) { // filter out empty lines
val dataElementGroups = splitIntoPartsAndUnmask(segment, Separators.DataElementGroupsSeparator)
val segmentId = segment.substring(0, segment.indexOf(Separators.DataElementsSeparator))
return parseSegment(segment, segmentId, dataElementGroups)
}
} catch (e: Exception) {
log.error("Could not parse segment '$segment'", e) // TODO: what to do here, how to inform user?
}
return null
}
protected open fun parseSegment(segment: String, segmentId: String, dataElementGroups: List<String>): ReceivedSegment? {
return when (segmentId) {
MessageSegmentId.MessageHeader.id -> parseMessageHeaderSegment(segment, dataElementGroups)
InstituteSegmentId.MessageFeedback.id -> parseMessageFeedback(segment, dataElementGroups)
InstituteSegmentId.SegmentFeedback.id -> parseSegmentFeedback(segment, dataElementGroups)
InstituteSegmentId.Synchronization.id -> parseSynchronization(segment, dataElementGroups)
InstituteSegmentId.BankParameters.id -> parseBankParameters(segment, dataElementGroups)
InstituteSegmentId.SecurityMethods.id -> parseSecurityMethods(segment, dataElementGroups)
InstituteSegmentId.CommunicationInfo.id -> parseCommunicationInfo(segment, dataElementGroups)
InstituteSegmentId.UserParameters.id -> parseUserParameters(segment, dataElementGroups)
InstituteSegmentId.AccountInfo.id -> parseAccountInfo(segment, dataElementGroups)
InstituteSegmentId.SepaAccountInfo.id -> parseSepaAccountInfo(segment, dataElementGroups)
InstituteSegmentId.SepaAccountInfoParameters.id -> parseSepaAccountInfoParameters(segment, segmentId, dataElementGroups)
InstituteSegmentId.TanInfo.id -> parseTanInfo(segment, segmentId, dataElementGroups)
InstituteSegmentId.Tan.id -> parseTanResponse(segment, dataElementGroups)
InstituteSegmentId.Balance.id -> parseBalanceSegment(segment, dataElementGroups)
InstituteSegmentId.AccountTransactionsMt940.id -> parseMt940AccountTransactions(segment, dataElementGroups)
else -> {
if (JobParametersSegmentPattern.matcher(segmentId).matches()) {
return parseJobParameters(segment, segmentId, dataElementGroups)
}
UnparsedSegment(segment)
}
}
}
protected open fun parseMessageHeaderSegment(segment: String, dataElementGroups: List<String>): ReceivedMessageHeader {
val messageSize = parseInt(dataElementGroups[1])
val finTsVersion = parseInt(dataElementGroups[2])
val dialogId = parseString(dataElementGroups[3])
val messageNumber = parseInt(dataElementGroups[4])
return ReceivedMessageHeader(messageSize, finTsVersion, dialogId, messageNumber, segment)
}
protected open fun parseMessageFeedback(segment: String, dataElementGroups: List<String>): MessageFeedback {
val feedbacks = dataElementGroups.subList(1, dataElementGroups.size).map { parseFeedback(it) }
return MessageFeedback(feedbacks, segment)
}
protected open fun parseSegmentFeedback(segment: String, dataElementGroups: List<String>): SegmentFeedback {
val feedbacks = dataElementGroups.subList(1, dataElementGroups.size).map { parseFeedback(it) }
return SegmentFeedback(feedbacks, segment)
}
protected open fun parseFeedback(dataElementGroup: String): Feedback {
val dataElements = getDataElements(dataElementGroup)
val responseCode = parseInt(dataElements[0])
val referencedDataElement = parseStringToNullIfEmpty(dataElements[1])
val message = parseString(dataElements[2])
if (responseCode == SupportedTanProceduresForUserResponseCode) {
val supportedProcedures = parseCodeEnum(dataElements.subList(3, dataElements.size), Sicherheitsfunktion.values())
return SupportedTanProceduresForUserFeedback(supportedProcedures, message)
}
else if (responseCode == AufsetzpunktResponseCode) {
return AufsetzpunktFeedback(parseString(dataElements[3]), message)
}
val parameter = if (dataElements.size > 3) dataElements.subList(3, dataElements.size).joinToString(FeedbackParametersSeparator) else null
return Feedback(responseCode, message, referencedDataElement, parameter)
}
protected open fun parseSynchronization(segment: String, dataElementGroups: List<String>): ReceivedSynchronization {
val customerSystemId = parseString(dataElementGroups[1])
val lastMessageNumber = if (dataElementGroups.size > 2) parseString(dataElementGroups[2]) else null
val securityReferenceNumberForSigningKey = if (dataElementGroups.size > 3) parseString(dataElementGroups[3]) else null
val securityReferenceNumberForDigitalSignature = if (dataElementGroups.size > 4) parseString(dataElementGroups[4]) else null
return ReceivedSynchronization(segment, customerSystemId, lastMessageNumber,
securityReferenceNumberForSigningKey, securityReferenceNumberForDigitalSignature)
}
protected open fun parseBankParameters(segment: String, dataElementGroups: List<String>): BankParameters {
val bpdVersion = parseInt(dataElementGroups[1])
val bankDetails = parseBankDetails(dataElementGroups[2])
val bankName = parseString(dataElementGroups[3])
val countMaxJobsPerMessage = parseInt(dataElementGroups[4])
val supportedLanguages = parseLanguages(dataElementGroups[5])
val supportedHbciVersions = parseHbciVersions(dataElementGroups[6])
val maxMessageSize = if (dataElementGroups.size > 7) parseInt(dataElementGroups[7]) else null
val minTimeout = if (dataElementGroups.size > 8) parseInt(dataElementGroups[8]) else null
val maxTimeout = if (dataElementGroups.size > 9) parseInt(dataElementGroups[9]) else null
return BankParameters(bpdVersion, bankDetails.bankCountryCode, bankDetails.bankCode, bankName,
countMaxJobsPerMessage, supportedLanguages, supportedHbciVersions, maxMessageSize, minTimeout, maxTimeout, segment)
}
protected open fun parseSecurityMethods(segment: String, dataElementGroups: List<String>): SecurityMethods {
val mixingAllowed = parseBoolean(dataElementGroups[1])
val profiles = parseSecurityProfiles(dataElementGroups.subList(2, dataElementGroups.size))
return SecurityMethods(mixingAllowed, profiles, segment)
}
protected open fun parseCommunicationInfo(segment: String, dataElementGroups: List<String>): CommunicationInfo {
val bankDetails = parseBankDetails(dataElementGroups[1])
val defaultLanguage = parseLanguage(dataElementGroups[2])
val parameters = parseCommunicationParameters(dataElementGroups.subList(3, dataElementGroups.size))
return CommunicationInfo(bankDetails, defaultLanguage, parameters, segment)
}
protected open fun parseCommunicationParameters(dataElementGroups: List<String>): List<CommunicationParameter> {
return dataElementGroups.map { dataElementGroup ->
val dataElements = getDataElements(dataElementGroup)
CommunicationParameter(
parseCodeEnum(dataElements[0], Kommunikationsdienst.values()),
dataElements[1]
)
}
}
protected open fun parseUserParameters(segment: String, dataElementGroups: List<String>): UserParameters {
val customerId = parseString(dataElementGroups[1])
val updVersion = parseInt(dataElementGroups[2])
val areListedJobsBlocked = dataElementGroups[3] == "0"
val username = if (dataElementGroups.size > 4) parseStringToNullIfEmpty(dataElementGroups[4]) else null
val extension = if (dataElementGroups.size > 5) parseStringToNullIfEmpty(dataElementGroups[5]) else null
return UserParameters(customerId, updVersion, areListedJobsBlocked, username, extension, segment)
}
protected open fun parseAccountInfo(segment: String, dataElementGroups: List<String>): AccountInfo {
// this is parsing a Kontoverbindung. May extract a method for it.
val accountDetails = getDataElements(dataElementGroups[1])
val accountNumber = parseString(accountDetails[0])
val subAccountAttribute = parseStringToNullIfEmpty(accountDetails[1])
val bankCountryCode = parseInt(accountDetails[2])
val bankCode = parseString(accountDetails[3])
val iban = parseStringToNullIfEmpty(dataElementGroups[2]) // optional
val customerId = parseString(dataElementGroups[3])
val accountType = parseNullableCodeEnum(dataElementGroups[4], AccountTypeCode.values())?.type
val currency = parseStringToNullIfEmpty(dataElementGroups[5])
val accountHolderName1 = parseString(dataElementGroups[6])
val accountHolderName2 = if (dataElementGroups.size > 7) parseStringToNullIfEmpty(dataElementGroups[7]) else null
val productName = if (dataElementGroups.size > 8) parseStringToNullIfEmpty(dataElementGroups[8]) else null
val limit = if (dataElementGroups.size > 9) parseStringToNullIfEmpty(dataElementGroups[9]) else null // TODO: parse limit
val allowedJobNames = if (dataElementGroups.size > 10) parseAllowedJobNames(dataElementGroups.subList(10, dataElementGroups.size - 1)) else listOf()
val extension = if (dataElementGroups.size > 11) parseStringToNullIfEmpty(dataElementGroups[dataElementGroups.size - 1]) else null
return AccountInfo(accountNumber, subAccountAttribute, bankCountryCode, bankCode, iban, customerId, accountType,
currency, accountHolderName1, accountHolderName2, productName, limit, allowedJobNames, extension, segment)
}
protected open fun parseAllowedJobNames(dataElementGroups: List<String>): List<String> {
return dataElementGroups.mapNotNull { parseAllowedJobName(it) }
}
protected open fun parseAllowedJobName(dataElementGroup: String): String? {
val dataElements = getDataElements(dataElementGroup)
if (dataElements.size > 0) {
val jobName = parseString(dataElements[0])
if (jobName.startsWith("HK")) { // filter out jobs not standardized by Deutsche Kreditwirtschaft (Verbandseigene Geschaeftsvorfaelle)
return jobName
}
}
return null
}
protected open fun parseSepaAccountInfo(segment: String, dataElementGroups: List<String>): SepaAccountInfo {
val accountDataElements = getDataElements(dataElementGroups[1])
return SepaAccountInfo(
KontoverbindungZvInternational(
parseBoolean(accountDataElements[0]),
parseStringToNullIfEmpty(accountDataElements[1]),
parseStringToNullIfEmpty(accountDataElements[2]),
parseString(accountDataElements[3]),
parseStringToNullIfEmpty(accountDataElements[4]),
parseBankDetails(accountDataElements[5], accountDataElements[6])
),
segment
)
}
protected open fun parseSepaAccountInfoParameters(segment: String, segmentId: String, dataElementGroups: List<String>): SepaAccountInfoParameters {
val jobParameters = parseJobParameters(segment, segmentId, dataElementGroups)
val segmentVersion = jobParameters.segmentVersion
val parametersDataElements = getDataElements(dataElementGroups[4])
val supportedSepaFormatsBeginIndex = if (segmentVersion == 1) 3 else if (segmentVersion == 2) 4 else 5
return SepaAccountInfoParameters(
jobParameters,
parseBoolean(parametersDataElements[0]),
parseBoolean(parametersDataElements[1]),
parseBoolean(parametersDataElements[2]),
if (segmentVersion >= 2) parseBoolean(parametersDataElements[3]) else false,
if (segmentVersion >= 3) parseInt(parametersDataElements[4]) else SepaAccountInfoParameters.CountReservedUsageLengthNotSet,
parametersDataElements.subList(supportedSepaFormatsBeginIndex, parametersDataElements.size)
)
}
protected open fun parseJobParameters(segment: String, segmentId: String, dataElementGroups: List<String>): JobParameters {
var jobName = segmentId.substring(0, 5) // cut off last 'S' (which stands for 'parameter')
jobName = jobName.replaceFirst("HI", "HK")
val maxCountJobs = parseInt(dataElementGroups[1])
val minimumCountSignatures = parseInt(dataElementGroups[2])
// Bei aelteren Version fehlt das Datenelement 'Sicherheitsklasse'. Ist fuer PIN/TAN eh zu ignorieren
val securityClass = if (dataElementGroups.size > 3) parseNullableInt(dataElementGroups[3]) else null
return JobParameters(jobName, maxCountJobs, minimumCountSignatures, securityClass, segment)
}
protected open fun parseTanInfo(segment: String, segmentId: String, dataElementGroups: List<String>): TanInfo {
val jobParameters = parseJobParameters(segment, segmentId, dataElementGroups)
return TanInfo(jobParameters, parseTwoStepTanProcedureParameters(dataElementGroups[4]))
}
protected open fun parseTwoStepTanProcedureParameters(tanProcedures: String): TwoStepTanProcedureParameters {
val dataElements = getDataElements(tanProcedures)
val oneStepProcedureAllowed = parseBoolean(dataElements[0])
val moreThanOneTanDependentJobPerMessageAllowed = parseBoolean(dataElements[1])
val jobHashValue = dataElements[2]
val proceduresDataElements = dataElements.subList(3, dataElements.size)
return TwoStepTanProcedureParameters(oneStepProcedureAllowed, moreThanOneTanDependentJobPerMessageAllowed,
jobHashValue, mapToTanProcedureParameters(proceduresDataElements))
}
protected open fun mapToTanProcedureParameters(proceduresDataElements: List<String>): List<TanProcedureParameters> {
// TODO: this throws an error for HITANS in version 4, but PSD2 needs HKTAN at least in version 6 anyway
val parsedProceduresParameters = mutableListOf<TanProcedureParameters>()
var remainingDataElements = proceduresDataElements
while (remainingDataElements.size >= 20) { // parameters have at least 20 data elements, the last element is optional
val dataElementForNextProcedure = if (remainingDataElements.size >= 21) remainingDataElements.subList(0, 21)
else remainingDataElements.subList(0, 20)
val procedureParameters = mapToSingleTanProcedureParameters(dataElementForNextProcedure)
parsedProceduresParameters.add(procedureParameters)
if (procedureParameters.countSupportedActiveTanMedia != null) remainingDataElements = remainingDataElements.subList(21, remainingDataElements.size)
else remainingDataElements = remainingDataElements.subList(20, remainingDataElements.size)
}
return parsedProceduresParameters
}
protected open fun mapToSingleTanProcedureParameters(procedureDataElements: List<String>): TanProcedureParameters {
return TanProcedureParameters(
parseCodeEnum(procedureDataElements[0], Sicherheitsfunktion.values()),
parseCodeEnum(procedureDataElements[1], TanProcess.values()),
parseString(procedureDataElements[2]),
tryToParseZkaTanProcedure(procedureDataElements[3]),
parseStringToNullIfEmpty(procedureDataElements[4]),
parseString(procedureDataElements[5]),
parseInt(procedureDataElements[6]),
parseCodeEnum(procedureDataElements[7], AllowedTanFormat.values()),
parseString(procedureDataElements[8]),
parseInt(procedureDataElements[9]),
parseBoolean(procedureDataElements[10]),
parseCodeEnum(procedureDataElements[11], TanZeitUndDialogbezug.values()),
parseBoolean(procedureDataElements[12]),
parseCodeEnum(procedureDataElements[13], SmsAbbuchungskontoErforderlich.values()),
parseCodeEnum(procedureDataElements[14], AuftraggeberkontoErforderlich.values()),
parseBoolean(procedureDataElements[15]),
parseBoolean(procedureDataElements[16]),
parseCodeEnum(procedureDataElements[17], Initialisierungsmodus.values()),
parseCodeEnum(procedureDataElements[18], BezeichnungDesTanMediumsErforderlich.values()),
parseBoolean(procedureDataElements[19]),
if (procedureDataElements.size > 20) parseNullableInt(procedureDataElements[20]) else null
)
}
protected open fun tryToParseZkaTanProcedure(mayZkaTanProcedure: String): ZkaTanProcedure? {
try {
return ZkaTanProcedure.valueOf(mayZkaTanProcedure)
} catch (ignored: Exception) { }
return null
}
protected open fun parseTanResponse(segment: String, dataElementGroups: List<String>): TanResponse {
val binaryJobHashValue = if (dataElementGroups.size > 2) parseStringToNullIfEmpty(dataElementGroups[2]) else null
val binaryChallengeHHD_UC = if (dataElementGroups.size > 5) parseStringToNullIfEmpty(dataElementGroups[5]) else null
return TanResponse(
parseCodeEnum(dataElementGroups[1], TanProcess.values()),
binaryJobHashValue?.let { extractBinaryData(it) },
if (dataElementGroups.size > 3) parseStringToNullIfEmpty(dataElementGroups[3]) else null,
if (dataElementGroups.size > 4) parseStringToNullIfEmpty(dataElementGroups[4]) else null,
binaryChallengeHHD_UC?.let { extractBinaryData(it) },
if (dataElementGroups.size > 6) parseNullableDateTime(dataElementGroups[6]) else null,
if (dataElementGroups.size > 7) parseStringToNullIfEmpty(dataElementGroups[7]) else null,
segment
)
}
protected open fun parseBalanceSegment(segment: String, dataElementGroups: List<String>): BalanceSegment {
// dataElementGroups[1] is account details
val balance = parseBalance(dataElementGroups[4])
val balanceOfPreBookedTransactions = parseBalance(dataElementGroups[5])
return BalanceSegment(
balance.amount,
parseString(dataElementGroups[3]),
balance.date,
parseString(dataElementGroups[2]),
if (balanceOfPreBookedTransactions.amount.equals(BigDecimal.ZERO)) null else balanceOfPreBookedTransactions.amount,
segment
)
}
protected open fun parseBalance(dataElementGroup: String): Balance {
val dataElements = getDataElements(dataElementGroup)
val isCredit = parseString(dataElements[0]) == "C"
var dateIndex = 2
var date: Date? = parseNullableDate(dataElements[dateIndex]) // in older versions dateElements[2] was the currency
if (date == null) {
date = parseDate(dataElements[++dateIndex])
}
return Balance(
parseAmount(dataElements[1], isCredit),
date,
if (dataElements.size > dateIndex + 1) parseTime(dataElements[dateIndex + 1]) else null
)
}
protected open fun parseMt940AccountTransactions(segment: String, dataElementGroups: List<String>): ReceivedAccountTransactions {
val bookedTransactionsString = extractBinaryData(dataElementGroups[1])
// TODO: implement parsing MT942
val unbookedTransactionsString = if (dataElementGroups.size > 2) extractBinaryData(dataElementGroups[2]) else null
return ReceivedAccountTransactions(mt940Parser.parseTransactions(bookedTransactionsString), listOf(), segment)
}
protected open fun parseBankDetails(dataElementsGroup: String): Kreditinstitutskennung {
val detailsStrings = getDataElements(dataElementsGroup)
return parseBankDetails(detailsStrings[0], detailsStrings[1])
}
protected open fun parseBankDetails(countryCodeDE: String, bankCodeDE: String): Kreditinstitutskennung {
return Kreditinstitutskennung(parseInt(countryCodeDE), parseString(bankCodeDE))
}
protected open fun parseLanguages(dataElementsGroup: String): List<Dialogsprache> {
return getDataElements(dataElementsGroup).map { parseLanguage(it) }
}
protected open fun parseLanguage(dataElementsGroup: String): Dialogsprache {
return parseCodeEnum(dataElementsGroup, Dialogsprache.values())
}
protected open fun parseHbciVersions(dataElementsGroup: String): List<HbciVersion> {
val versionStrings = getDataElements(dataElementsGroup)
return parseCodeEnum(versionStrings, HbciVersion.values())
}
protected open fun parseSecurityProfiles(dataElementsGroups: List<String>): List<Sicherheitsprofil> {
return dataElementsGroups.flatMap { dataElementGroup ->
val parts = getDataElements(dataElementGroup)
val method = parseSecurityMethod(parts[0])
parts.subList(1, parts.size).map {
Sicherheitsprofil(method, parseSecurityMethodVersion(it))
}
}
}
protected open fun parseSecurityMethod(methodString: String): Sicherheitsverfahren {
return parseCodeEnum(methodString, Sicherheitsverfahren.values())
}
protected open fun parseSecurityMethodVersion(versionString: String): VersionDesSicherheitsverfahrens {
val versionInt = parseInt(versionString)
return VersionDesSicherheitsverfahrens.values().first { it.methodNumber == versionInt }
}
protected open fun <T : ICodeEnum> parseCodeEnum(codeValues: List<String>, allValues: Array<T>): List<T> {
// mapNotNull: don't crash if new, at time of implementation unknown values get introduced / returned by bank
return codeValues.mapNotNull { code -> parseCodeEnum(code, allValues) }
}
protected open fun <T : ICodeEnum> parseCodeEnum(code: String, allValues: Array<T>): T {
return allValues.first { it.code == code }
}
protected open fun <T : ICodeEnum> parseNullableCodeEnum(code: String, allValues: Array<T>): T? {
try {
return parseCodeEnum(code, allValues)
} catch (ignored: Exception) { }
return null
}
protected open fun getDataElements(dataElementGroup: String): List<String> {
return splitIntoPartsAndUnmask(dataElementGroup, Separators.DataElementsSeparator)
}
/**
* If separator symbols are used in data values, they are masked with '?'.
* (e. g. 'https?://' should not be split into two data elements.)
*
* Don't split string at masked separators.
*
* After string is split, unmask separator
*
* Also binary data shouldn't be taken into account.
*/
protected open fun splitIntoPartsAndUnmask(dataString: String, separator: String): List<String> {
val separatorIndices = messageUtils.findSeparatorIndices(dataString, separator)
var startIndex = 0
val elements = separatorIndices.map { endIndex ->
val element = dataString.substring(startIndex, endIndex)
startIndex = endIndex + 1
element
}.toMutableList()
if (startIndex < dataString.length) {
elements.add(dataString.substring(startIndex))
}
return elements.map { it.replace(Separators.MaskingCharacter + separator, separator) }
}
protected open fun parseStringToNullIfEmpty(string: String): String? {
val parsedString = parseString(string)
return if (parsedString.isEmpty()) null else parsedString
}
protected open fun parseString(string: String): String {
return string
// unmask mask data elements separator ('?:')
.replace(Separators.MaskingCharacter + Separators.DataElementsSeparator, Separators.DataElementsSeparator)
// masking character '?' is also masked, in his case with '??'
.replace(Separators.MaskingCharacter + Separators.MaskingCharacter, Separators.MaskingCharacter)
}
protected open fun parseBoolean(dataElement: String): Boolean {
if ("J" == dataElement) {
return true
}
return false
}
protected open fun parseInt(string: String): Int {
return parseString(string).toInt()
}
protected open fun parseNullableInt(mayInt: String): Int? {
try {
return parseInt(mayInt)
} catch (ignored: Exception) { }
return null
}
@JvmOverloads
protected open fun parseAmount(amountString: String, isPositive: Boolean = true): BigDecimal {
val adjustedAmountString = amountString.replace(',', '.') // Hbci amount format uses comma instead dot as decimal separator
val amount = adjustedAmountString.toBigDecimal()
if (isPositive == false) {
return amount.negate()
}
return amount
}
protected open fun parseNullableDateTime(dataElementGroup: String): Date? {
val dataElements = getDataElements(dataElementGroup)
if (dataElements.size >= 2) {
parseNullableDate(dataElements[0])?.let { date ->
parseNullableTime(dataElements[1])?.let { time ->
return Date(date.time + time.time)
}
}
}
return null
}
protected open fun parseDate(dateString: String): Date {
return Datum.HbciDateFormat.parse(dateString)
}
protected open fun parseNullableDate(dateString: String): Date? {
try {
return parseDate(dateString)
} catch (ignored: Exception) { }
return null
}
protected open fun parseTime(timeString: String): Date {
return Uhrzeit.HbciTimeFormat.parse(timeString)
}
protected open fun parseNullableTime(timeString: String): Date? {
try {
return parseTime(timeString)
} catch (ignored: Exception) { }
return null
}
protected open fun extractBinaryData(binaryData: String): String {
if (binaryData.startsWith('@')) {
val headerEndIndex = binaryData.indexOf('@', 2)
if (headerEndIndex > -1) {
return binaryData.substring(headerEndIndex + 1)
}
}
return binaryData
}
}