Fix: Prevent crashing due to malformed zipEntry

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/zip/CityGmlZipArchive.java

@@ -10,10 +10,12 @@ import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.Serial;
 import java.io.Serializable;
+import java.nio.charset.MalformedInputException;
 import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.zip.ZipEntry;
+import java.util.zip.ZipException;
 import java.util.zip.ZipFile;
 import java.util.zip.ZipInputStream;
 
@@ -47,6 +49,9 @@ public class CityGmlZipArchive implements Serializable {
         } catch (IOException e) {
             logger.error("Encountered an IOError while registering CityGmlArchive", e);
             return null;
+        } catch (Exception e) {
+            logger.error("Encountered an unexpected error while registering CityGmlArchive", e);
+            return null;
         }
     }
 

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/CityDoctorController.java

@@ -154,15 +154,16 @@ public class CityDoctorController {
 
         currentConfig = new ParserConfiguration(numberOfRoundingPlaces, useValidation, lowMemory);
         zipArchive = CityGmlZipArchive.register(path);
-
-        Platform.runLater(() -> {
-            try {
-                currentZipEntryManager = new ZipEntryManager(mainWindow.getMainStage(), this);
-                currentZipEntryManager.show();
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        });
+        if (zipArchive != null) {
+            Platform.runLater(() -> {
+                try {
+                    currentZipEntryManager = new ZipEntryManager(mainWindow.getMainStage(), this);
+                    currentZipEntryManager.show();
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
+                }
+            });
+        }
     }
 
     public void decompressZipEntry(CityGmlZipEntry entry, ProgressListener l) {