Added SQLDriverFactory

Author: x7airworker

src/main/java/org/javawebstack/orm/wrapper/SQLDriverFactory.java

@@ -0,0 +1,37 @@
+package org.javawebstack.orm.wrapper;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Supplier;
+
+public class SQLDriverFactory {
+    private Map<String, Supplier<SQL>> suppliers = new HashMap<>();
+    private Map<String, String> properties;
+
+    public SQLDriverFactory(Map<String, String> properties) {
+        this.properties = properties;
+        addDefaultDrivers();
+    }
+
+    public void registerDriver (String name, Supplier<SQL> supplier) {
+        suppliers.put(name, supplier);
+    }
+
+    private void addDefaultDrivers() {
+        registerDriver("sqlite", () -> new SQLite(properties.get("file")));
+        registerDriver("mysql", () -> new MySQL(
+                properties.get("host"),
+                Integer.parseInt(properties.get("port")),
+                properties.get("name"),
+                properties.get("user"),
+                properties.get("password")
+        ));
+    }
+
+    public SQL getDriver(String name) throws SQLDriverNotFoundException {
+        Supplier<SQL> supplier = suppliers.get(name);
+        if (supplier == null)
+            throw new SQLDriverNotFoundException(name);
+        return supplier.get();
+    }
+}

src/main/java/org/javawebstack/orm/wrapper/SQLDriverNotFoundException.java

@@ -0,0 +1,14 @@
+package org.javawebstack.orm.wrapper;
+
+public class SQLDriverNotFoundException extends Exception {
+    private String name;
+
+    public SQLDriverNotFoundException (String name) {
+        this.name = name;
+    }
+
+
+    public String getMessage() {
+        return "SQL Driver " + name + " not found!";
+    }
+}