Started rudimentary version of FinTsClient

fints4javaLib/src/main/kotlin/net/dankito/fints/FinTsClient.kt

@@ -0,0 +1,42 @@
+package net.dankito.fints
+
+import net.dankito.fints.messages.nachrichten.implementierte.DialoginitialisierungAnonym
+import net.dankito.fints.model.BankInfo
+import net.dankito.fints.model.ProductInfo
+import net.dankito.fints.util.IBase64Service
+import net.dankito.utils.web.client.IWebClient
+import net.dankito.utils.web.client.OkHttpWebClient
+import net.dankito.utils.web.client.RequestParameters
+
+
+open class FinTsClient(
+    protected val base64Service: IBase64Service,
+    protected val webClient: IWebClient = OkHttpWebClient()
+) {
+
+
+    fun getBankInfo(bankInfo: BankInfo, productInfo: ProductInfo) {
+        val dialogInit = DialoginitialisierungAnonym(bankInfo.countryCode, bankInfo.bankCode,
+            productInfo.productName, productInfo.productVersion)
+
+        val requestBody = dialogInit.format()
+        val encodedRequestBody = base64Service.encode(requestBody)
+
+        val response = webClient.post(RequestParameters(bankInfo.finTsServerAddress, encodedRequestBody, "application/octet-stream"))
+
+        val responseBody = response.body
+        if (response.isSuccessful && responseBody != null) {
+
+            val decodedResponse = decodeBase64Response(responseBody)
+
+            if (decodedResponse != null) {
+
+            }
+        }
+    }
+
+    protected open fun decodeBase64Response(responseBody: String): String {
+        return base64Service.decode(responseBody.replace("\r", "").replace("\n", ""))
+    }
+
+}

fints4javaLib/src/main/kotlin/net/dankito/fints/model/AccountCredentials.kt

@@ -0,0 +1,9 @@
+package net.dankito.fints.model
+
+
+open class AccountCredentials @JvmOverloads constructor(
+    val bankCode: String,
+    val customerId: String,
+    val pin: String,
+    val userId: String = customerId
+)

fints4javaLib/src/main/kotlin/net/dankito/fints/model/BankInfo.kt

@@ -0,0 +1,8 @@
+package net.dankito.fints.model
+
+
+open class BankInfo(
+    val bankCode: String,
+    val countryCode: Int,
+    val finTsServerAddress: String
+)

fints4javaLib/src/main/kotlin/net/dankito/fints/model/ProductInfo.kt

@@ -0,0 +1,7 @@
+package net.dankito.fints.model
+
+
+open class ProductInfo(
+    val productName: String,
+    val productVersion: String
+)