added database update mechanism

src/main/java/de/geofroggerfx/dao/jdbc/DatabaseUpdater.java

@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) Andreas Billmann <abi@geofroggerfx.de>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package de.geofroggerfx.dao.jdbc;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.DataAccessException;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Service;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Created by Andreas on 23.03.2015.
+ */
+@Service
+public class DatabaseUpdater {
+
+    private static final Logger LOGGER = Logger.getLogger("DatabaseUpdater");
+    private static final String UPDATE_FOLDER = "/de/geofroggerfx/dao/jdbc/updates/";
+    private static final String SQL_EXTENSION = ".sql";
+    private JdbcTemplate jdbcTemplate;
+
+    @Autowired
+    public void setDataConfig(DataConfig dataConfig) {
+        this.jdbcTemplate = new JdbcTemplate(dataConfig.dataSource());
+    }
+
+    public void update() {
+        Integer version = 1;
+
+        try {
+            version = jdbcTemplate.queryForObject("SELECT VERSION FROM VERSION", Integer.class);
+            version++;
+        } catch (DataAccessException e) {
+            LOGGER.info("no database version found");
+        }
+
+        try {
+            URL url = getUpdateFileUrl(version);
+            while(url != null) {
+                executeSQL(url);
+                version++;
+                url = getUpdateFileUrl(version);
+            }
+        } catch (URISyntaxException e) {
+            LOGGER.log(Level.SEVERE, "file error", e);
+            throw new RuntimeException(e);
+        } catch (IOException e) {
+            LOGGER.log(Level.SEVERE, "file error", e);
+            throw new RuntimeException(e);
+        }
+    }
+
+    private URL getUpdateFileUrl(Integer version) {
+        return DatabaseUpdater.class.getResource(UPDATE_FOLDER+version+SQL_EXTENSION);
+    }
+
+    private void executeSQL(URL url) throws URISyntaxException, IOException {
+        List<String> lines = Files.readAllLines(Paths.get(url.toURI()), Charset.defaultCharset());
+        List<String> statements = extractStatements(lines);
+        for (String statement: statements) {
+            jdbcTemplate.execute(statement);
+        }
+    }
+
+    private List<String> extractStatements(List<String> lines) {
+        List<String> statements = new ArrayList<>();
+        StringBuilder sb = new StringBuilder();
+        for (String line: lines) {
+            sb.append(line.trim());
+            if (line.indexOf(';') > -1) {
+                statements.add(sb.toString());
+                sb = new StringBuilder();
+            }
+        }
+        return statements;
+    }
+
+
+}

src/main/java/de/geofroggerfx/ui/GeoFroggerFX.java

@@ -25,6 +25,7 @@
  */
 package de.geofroggerfx.ui;
 
+import de.geofroggerfx.dao.jdbc.DatabaseUpdater;
 import javafx.application.Application;
 import javafx.event.EventHandler;
 import javafx.scene.Parent;
@@ -46,28 +47,19 @@ public class GeoFroggerFX extends Application {
 
     @Override
     public void start(Stage primaryStage) throws Exception {
-
-        loadCustomFonts();
-
         appContext = new AnnotationConfigApplicationContext(GeoFroggerFX.class);
         String name = appContext.getEnvironment().getProperty("application.name");
         String version = appContext.getEnvironment().getProperty("application.version");
-        GeoFroggerFXController geoFroggerFXController = appContext.getBean(GeoFroggerFXController.class);
 
-        Scene scene = new Scene((Parent) geoFroggerFXController.getView());
+        DatabaseUpdater databaseUpdater = appContext.getBean(DatabaseUpdater.class);
+        try {
+            databaseUpdater.update();
+            loadCustomFonts();
+            showUI(primaryStage, name, version);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
 
-        scene.setOnKeyPressed(new EventHandler<KeyEvent>() {
-
-            @Override
-            public void handle(KeyEvent event) {
-                if (isScenicViewShortcutPressed(event)) {
-//                    ScenicView.show(scene);
-                }
-            }
-        });
-        primaryStage.setScene(scene);
-        primaryStage.setTitle(String.format("%s %s", name, version));
-        primaryStage.show();
     }
 
     @Bean
@@ -88,8 +80,12 @@ public class GeoFroggerFX extends Application {
         launch(args);
     }
 
-    private static boolean isScenicViewShortcutPressed(final KeyEvent keyEvent) {
-        return keyEvent.isAltDown() && keyEvent.isControlDown() && keyEvent.getCode().equals(KeyCode.V);
+    private void showUI(Stage primaryStage, String name, String version) {
+        GeoFroggerFXController geoFroggerFXController = appContext.getBean(GeoFroggerFXController.class);
+        Scene scene = new Scene((Parent) geoFroggerFXController.getView());
+        primaryStage.setScene(scene);
+        primaryStage.setTitle(String.format("%s %s", name, version));
+        primaryStage.show();
     }
 
     private void loadCustomFonts() {