Feature: Implement DB configuration handling

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/database/EmbeddedDatabaseConfiguration.java

@@ -20,8 +20,9 @@ import java.io.File;
 public record EmbeddedDatabaseConfiguration(String databaseName, String databaseDirectory, int connectionPoolSize,
                                             boolean inMemoryMode, boolean attemptFallback, boolean debugMode, boolean tempFileMode) {
 
-    private static final String IN_MEMORY_PREFIX= "jdbc:h2:mem";
+    private static final String IN_MEMORY_PREFIX= "mem:";
     private static final String AUTO_SERVER_PARAMETER = ";AUTO_SERVER=TRUE";
+    private static final String FILE_PREFIX = "file://";
     /**
      * Instantiates the default configuration for the embedded database.
      */
@@ -40,7 +41,7 @@ public record EmbeddedDatabaseConfiguration(String databaseName, String database
     }
 
     public String getH2FileUrl(){
-        return databaseDirectory + databaseName;
+        return FILE_PREFIX + databaseDirectory + databaseName;
     }
 
     public String getH2ParametersSuffix(){

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/database/EmbeddedDatabaseHandler.java

@@ -19,9 +19,12 @@ import org.h2gis.utilities.wrapper.DataSourceWrapper;
 
 import javax.sql.DataSource;
 import java.io.ByteArrayInputStream;
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InvalidClassException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
@@ -38,12 +41,23 @@ public class EmbeddedDatabaseHandler {
     private static final Logger logger = LogManager.getLogger(EmbeddedDatabaseHandler.class);
     private final EmbeddedDatabaseConfiguration config;
     private DataSourceWrapper dataSource;
+    private File tempLoc = null;
 
     public EmbeddedDatabaseHandler(EmbeddedDatabaseConfiguration dbConfig){
         config = dbConfig;
         String jdbcUrl;
         try {
+            if (config.inMemoryMode()) {
+                jdbcUrl = createEmbeddedDataBase(config.getInMemoryH2Url());
+            } else if (config.tempFileMode()){
+                Path tmpDir = Files.createTempDirectory(config.databaseDirectory());
+                tmpDir.toFile().deleteOnExit();
+                String tempFileUrl = tmpDir.resolve(config.databaseName()).toFile().getAbsolutePath();
+                jdbcUrl = createEmbeddedDataBase(tempFileUrl);
+                tempLoc = new File(tempFileUrl);
+            } else {
                 jdbcUrl = createEmbeddedDataBase(config.getH2FileUrl());
+            }
             logger.debug("1] {}",jdbcUrl);
 
         } catch (Exception e) {
@@ -86,6 +100,10 @@ public class EmbeddedDatabaseHandler {
         }
     }
 
+    public File getTempLoc(){
+        return this.tempLoc;
+    }
+
 
     public void setupFeaturesTable() {
         try (Connection con = dataSource.getConnection()) {

CityDoctorParent/CityDoctorModel/src/test/java/de/hft/stuttgart/citydoctor2/database/EmbeddedDataBaseHandlerTest.java

@@ -24,7 +24,10 @@ import java.util.List;
 
 import static de.hft.stuttgart.citydoctor2.database.SerializationTest.assertCityObjectEquality;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 public class EmbeddedDataBaseHandlerTest {
@@ -38,7 +41,26 @@ public class EmbeddedDataBaseHandlerTest {
             fail(e.getMessage());
         }
     }
+    //TODO: FIX Test failures
+    @Test
+    public void testTempFileConfiguration(){
+        EmbeddedDatabaseConfiguration tempFileconfig = new EmbeddedDatabaseConfiguration("database",
+                "inTempConfig",1, false,false,
+                false,true);
+        assertNull(handler.getTempLoc());
+        EmbeddedDatabaseHandler tempHandler = new EmbeddedDatabaseHandler(tempFileconfig);
+        assertTrue(tempHandler.getTempLoc().exists());
+
+    }
 
+    @Test
+    public void testInMemoryConfiguration(){
+        EmbeddedDatabaseConfiguration inMemoryConfig = new EmbeddedDatabaseConfiguration("database",
+                "irrelevant",1, true,false,
+                false,false);
+        EmbeddedDatabaseHandler memHandler = new EmbeddedDatabaseHandler(inMemoryConfig);
+        assertFalse(memHandler.getTempLoc().exists());
+    }
 
     @Test
     public void testGetBboxIntersectingObjects() {