From 1b6e5c363b8c6e1762c60d119e7d29af16712a14 Mon Sep 17 00:00:00 2001
From: dankito <git@dankito.net>
Date: Thu, 12 Nov 2020 23:50:05 +0100
Subject: [PATCH] Implemented catching and logging exceptions

---
 .../banking/epcqrcode/windows/main/MainWindow.kt | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/EpcQrCodeJavaFxApp/src/main/kotlin/net/codinux/banking/epcqrcode/windows/main/MainWindow.kt b/EpcQrCodeJavaFxApp/src/main/kotlin/net/codinux/banking/epcqrcode/windows/main/MainWindow.kt
index f7369c2..bb5a522 100644
--- a/EpcQrCodeJavaFxApp/src/main/kotlin/net/codinux/banking/epcqrcode/windows/main/MainWindow.kt
+++ b/EpcQrCodeJavaFxApp/src/main/kotlin/net/codinux/banking/epcqrcode/windows/main/MainWindow.kt
@@ -6,10 +6,16 @@ import tornadofx.*
 import java.io.ByteArrayInputStream
 import net.codinux.banking.epcqrcode.MppTest
 import net.codinux.banking.epcqrcode.QrCodeGenerator
+import org.slf4j.LoggerFactory
 
 
 class MainWindow : View(FX.messages["application.title"]) {
 
+    companion object {
+        private val logger = LoggerFactory.getLogger(MainWindow::class.java)
+    }
+
+
     private val qrCodeGenerator = QrCodeGenerator()
 
     private val qrCode = SimpleObjectProperty<Image>(generateQrCode(MppTest().getTestEpcQrCodeContent()))
@@ -21,9 +27,15 @@ class MainWindow : View(FX.messages["application.title"]) {
 
 
     private fun generateQrCode(informationToEncode: String): Image? {
-        val qrCodeBytes = qrCodeGenerator.generateQrCode(informationToEncode)
+        try {
+            val qrCodeBytes = qrCodeGenerator.generateQrCode(informationToEncode)
 
-        return Image(ByteArrayInputStream(qrCodeBytes))
+            return Image(ByteArrayInputStream(qrCodeBytes))
+        } catch (e: Exception) {
+            logger.error("Could not generate QR code for $informationToEncode", e)
+        }
+
+        return null
     }
 
 }
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