Add LimboConnection.java

bindings/java/src/main/java/org/github/tursodatabase/LimboConnection.java

@@ -0,0 +1,64 @@
+package org.github.tursodatabase;
+
+import org.github.tursodatabase.core.AbstractDB;
+import org.github.tursodatabase.core.LimboDB;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Properties;
+
+public abstract class LimboConnection implements Connection {
+
+    private final AbstractDB database;
+
+    public LimboConnection(AbstractDB database) {
+        this.database = database;
+    }
+
+    public LimboConnection(String url, String fileName) throws SQLException {
+        this(url, fileName, new Properties());
+    }
+
+    /**
+     * Creates a connection to limbo database.
+     *
+     * @param url      e.g. "jdbc:sqlite:fileName"
+     * @param fileName path to file
+     */
+    public LimboConnection(String url, String fileName, Properties properties) throws SQLException {
+        AbstractDB db = null;
+
+        try {
+            db = open(url, fileName, properties);
+        } catch (Throwable t) {
+            try {
+                if (db != null) {
+                    db.close();
+                }
+            } catch (Throwable t2) {
+                t.addSuppressed(t2);
+            }
+
+            throw t;
+        }
+
+        this.database = db;
+    }
+
+    private static AbstractDB open(String url, String fileName, Properties properties) throws SQLException {
+        if (fileName.isBlank()) {
+            throw new IllegalArgumentException("fileName should not be empty");
+        }
+
+        final AbstractDB database;
+        try {
+            LimboDB.load();
+            database = LimboDB.create(url, fileName);
+        } catch (Exception e) {
+            throw new SQLException("Error opening connection", e);
+        }
+
+        database.open(0);
+        return database;
+    }
+}