62 lines
1.9 KiB
Java
62 lines
1.9 KiB
Java
package fi.lpam.dataluokat;
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import fi.lpam.gui.virheDialogit.SiirtoVirhe;
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import fi.lpam.Main;
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import org.apache.commons.lang3.SystemUtils;
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import java.io.*;
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import java.nio.file.Path;
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import java.sql.*;
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import java.util.Objects;
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public class Tietokanta {
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private static String osoite;
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private static File tietokantatiedosto = Path.of(SystemUtils.getUserHome().getAbsolutePath(), "OneDrive", "Kuljetusruokasovellus", "tietokanta.db").toFile();
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public Tietokanta(boolean dev) {
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if (dev) tietokantatiedosto = new File("testikanta.db");
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try {
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boolean _ = tietokantatiedosto.getParentFile().mkdirs();
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boolean _ = tietokantatiedosto.createNewFile();
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}
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catch (Exception _) {}
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osoite = "jdbc:sqlite:" + tietokantatiedosto.getAbsolutePath();
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String sql = "";
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try (BufferedReader br = new BufferedReader(
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new InputStreamReader(
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Objects.requireNonNull(Main.class.getClassLoader()
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.getResourceAsStream("tietokanta.sql"))))) {
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sql = br.readAllAsString();
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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for (String query : sql.split(";")) {
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try (Connection conn = haeYhteys()) {
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conn.createStatement().execute(query);
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} catch (SQLException e) {
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if (!e.getMessage().contains("duplicate column name")) {
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handleException(e);
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}
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}
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}
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}
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public static Connection haeYhteys() {
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Connection connection = null;
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try {
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connection = DriverManager.getConnection(osoite);
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} catch (SQLException e) {
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handleException(e);
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}
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return connection;
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}
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private static void handleException(Exception e) {
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SiirtoVirhe virhe = new SiirtoVirhe(e);
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virhe.showAndWait();
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}
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} |