Initial commit with new directory structure.

components/net/sf/briar/db/H2Database.java

@@ -0,0 +1,70 @@
+package net.sf.briar.db;
+
+import java.io.File;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.Arrays;
+import java.util.Properties;
+
+import net.sf.briar.api.crypto.Password;
+import net.sf.briar.api.db.DatabaseComponent;
+import net.sf.briar.api.db.DatabasePassword;
+import net.sf.briar.api.db.DbException;
+import net.sf.briar.api.protocol.MessageFactory;
+import net.sf.briar.util.FileUtils;
+
+import com.google.inject.Inject;
+
+class H2Database extends JdbcDatabase {
+
+	private final Password password;
+	private final File home;
+	private final String url;
+
+	@Inject
+	H2Database(MessageFactory messageFactory,
+			@DatabasePassword Password password) {
+		super(messageFactory, "BINARY(32)");
+		this.password = password;
+		home = new File(FileUtils.getBriarDirectory(), "Data/db/db");
+		url = "jdbc:h2:split:" + home.getPath()
+		+ ";CIPHER=AES;DB_CLOSE_ON_EXIT=false";
+	}
+
+	public void open(boolean resume) throws DbException {
+		super.open(resume, home.getParentFile(), "org.h2.Driver");
+	}
+
+	public void close() throws DbException {
+		System.out.println("Closing database");
+		try {
+			super.closeAllConnections();
+		} catch(SQLException e) {
+			throw new DbException(e);
+		}
+	}
+
+	public long getFreeSpace() throws DbException {
+		File dir = home.getParentFile();
+		long free = dir.getFreeSpace();
+		long used = getDiskSpace(dir);
+		long quota = DatabaseComponent.MAX_DB_SIZE - used;
+		long min =  Math.min(free, quota);
+		System.out.println("Free space: " + min);
+		return min;
+	}
+
+	@Override
+	protected Connection createConnection() throws SQLException {
+		Properties props = new Properties();
+		props.setProperty("user", "b");
+		char[] passwordArray = password.getPassword();
+		props.put("password", passwordArray);
+		try {
+			return DriverManager.getConnection(url, props);
+		} finally {
+			Arrays.fill(passwordArray, (char) 0);
+		}
+	}
+}