Index: Ringtoets/Integration/src/Ringtoets.Integration.IO/Importers/HydraulicBoundaryDatabaseImporter.cs
===================================================================
diff -u -raf0e6f596d42879533b372801ab6620959e9708f -r96c0c7582ebd622c7808fa4a8dbd99ca249a9512
--- Ringtoets/Integration/src/Ringtoets.Integration.IO/Importers/HydraulicBoundaryDatabaseImporter.cs	(.../HydraulicBoundaryDatabaseImporter.cs)	(revision af0e6f596d42879533b372801ab6620959e9708f)
+++ Ringtoets/Integration/src/Ringtoets.Integration.IO/Importers/HydraulicBoundaryDatabaseImporter.cs	(.../HydraulicBoundaryDatabaseImporter.cs)	(revision 96c0c7582ebd622c7808fa4a8dbd99ca249a9512)
@@ -21,8 +21,10 @@
 
 using System;
 using Core.Common.Base.IO;
-using Ringtoets.Common.Data.AssessmentSection;
+using Core.Common.IO.Readers;
 using Ringtoets.Common.Data.Hydraulics;
+using Ringtoets.Common.IO.FileImporters;
+using Ringtoets.HydraRing.IO.HydraulicBoundaryDatabase;
 using Ringtoets.Integration.IO.Handlers;
 
 namespace Ringtoets.Integration.IO.Importers
@@ -60,7 +62,38 @@
 
         protected override bool OnImport()
         {
-            throw new System.NotImplementedException();
+            ReadResult<ReadHydraulicBoundaryDatabase> readResult = ReadHydraulicBoundaryDatabase();
+
+            return !readResult.CriticalErrorOccurred;
         }
+
+        private ReadResult<ReadHydraulicBoundaryDatabase> ReadHydraulicBoundaryDatabase()
+        {
+            try
+            {
+                using (HydraulicBoundaryDatabaseReader reader = new HydraulicBoundaryDatabaseReader(FilePath))
+                {
+                    ReadResult<ReadHydraulicBoundaryDatabase> readResult = ReadHydraulicBoundaryDatabase(reader);
+
+                    return readResult;
+                }
+            }
+            catch (CriticalFileReadException e)
+            {
+                return HandleCriticalFileReadError<ReadHydraulicBoundaryDatabase>(e);
+            }
+        }
+
+        private ReadResult<ReadHydraulicBoundaryDatabase> ReadHydraulicBoundaryDatabase(HydraulicBoundaryDatabaseReader reader)
+        {
+            return new ReadResult<ReadHydraulicBoundaryDatabase>(false);
+        }
+
+        private ReadResult<T> HandleCriticalFileReadError<T>(Exception e)
+        {
+            string errorMessage = $"{e.Message} {Environment.NewLine}Er is geen hydraulische belastingen database gekoppeld.";
+            Log.Error(errorMessage);
+            return new ReadResult<T>(true);
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Integration/src/Ringtoets.Integration.IO/Ringtoets.Integration.IO.csproj
===================================================================
diff -u -re0ef595a605d8f3c5ed9abf7b5e1b149976bb892 -r96c0c7582ebd622c7808fa4a8dbd99ca249a9512
--- Ringtoets/Integration/src/Ringtoets.Integration.IO/Ringtoets.Integration.IO.csproj	(.../Ringtoets.Integration.IO.csproj)	(revision e0ef595a605d8f3c5ed9abf7b5e1b149976bb892)
+++ Ringtoets/Integration/src/Ringtoets.Integration.IO/Ringtoets.Integration.IO.csproj	(.../Ringtoets.Integration.IO.csproj)	(revision 96c0c7582ebd622c7808fa4a8dbd99ca249a9512)
@@ -184,6 +184,11 @@
       <Name>Ringtoets.HeightStructures.Data</Name>
       <Private>False</Private>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\HydraRing\src\Ringtoets.HydraRing.IO\Ringtoets.HydraRing.IO.csproj">
+      <Project>{B69D5B6C-6E14-4FA9-9EBC-8F97678CDB70}</Project>
+      <Name>Ringtoets.HydraRing.IO</Name>
+      <Private>False</Private>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\MacroStabilityInwards\src\Ringtoets.MacroStabilityInwards.Data\Ringtoets.MacroStabilityInwards.Data.csproj">
       <Project>{83d6b73e-91d5-46b0-9218-955da1f75f7c}</Project>
       <Name>Ringtoets.MacroStabilityInwards.Data</Name>
Index: Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Importers/HydraulicBoundaryDatabaseImporterTest.cs
===================================================================
diff -u -raf0e6f596d42879533b372801ab6620959e9708f -r96c0c7582ebd622c7808fa4a8dbd99ca249a9512
--- Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Importers/HydraulicBoundaryDatabaseImporterTest.cs	(.../HydraulicBoundaryDatabaseImporterTest.cs)	(revision af0e6f596d42879533b372801ab6620959e9708f)
+++ Ringtoets/Integration/test/Ringtoets.Integration.IO.Test/Importers/HydraulicBoundaryDatabaseImporterTest.cs	(.../HydraulicBoundaryDatabaseImporterTest.cs)	(revision 96c0c7582ebd622c7808fa4a8dbd99ca249a9512)
@@ -20,7 +20,9 @@
 // All rights reserved.
 
 using System;
+using System.IO;
 using Core.Common.Base.IO;
+using Core.Common.TestUtil;
 using NUnit.Framework;
 using Rhino.Mocks;
 using Ringtoets.Common.Data.Hydraulics;
@@ -57,5 +59,53 @@
             Assert.IsInstanceOf<FileImporterBase<HydraulicBoundaryDatabase>>(importer);
             mocks.VerifyAll();
         }
+
+        [Test]
+        public void Import_FilePathIsDirectory_CancelImportWithErrorMessage()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var handler = mocks.StrictMock<IHydraulicBoundaryDatabaseUpdateHandler>();
+            mocks.ReplayAll();
+
+            string path = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Integration.IO, Path.DirectorySeparatorChar.ToString());
+
+            var importer = new HydraulicBoundaryDatabaseImporter(new HydraulicBoundaryDatabase(), handler, path);
+
+            // Call
+            var importSuccessful = true;
+            Action call = () => importSuccessful = importer.Import();
+
+            // Assert
+            string expectedMessage = $@"Fout bij het lezen van bestand '{path}': bestandspad mag niet verwijzen naar een lege bestandsnaam. "
+                                     + $"{Environment.NewLine}Er is geen hydraulische belastingen database gekoppeld.";
+            TestHelper.AssertLogMessageIsGenerated(call, expectedMessage, 1);
+            Assert.IsFalse(importSuccessful);
+            mocks.VerifyAll();
+        }
+
+        [Test]
+        public void Import_FileDoesNotExist_CancelImportWithErrorMessage()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var handler = mocks.StrictMock<IHydraulicBoundaryDatabaseUpdateHandler>();
+            mocks.ReplayAll();
+
+            string path = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Integration.IO, "I_dont_exist");
+
+            var importer = new HydraulicBoundaryDatabaseImporter(new HydraulicBoundaryDatabase(), handler, path);
+
+            // Call
+            var importSuccessful = true;
+            Action call = () => importSuccessful = importer.Import();
+
+            // Assert
+            string expectedMessage = $@"Fout bij het lezen van bestand '{path}': het bestand bestaat niet. "
+                                     + $"{Environment.NewLine}Er is geen hydraulische belastingen database gekoppeld.";
+            TestHelper.AssertLogMessageIsGenerated(call, expectedMessage, 1);
+            Assert.IsFalse(importSuccessful);
+            mocks.VerifyAll();
+        }
     }
 }
\ No newline at end of file