/**
* Gets a connection from the properties specified in the file database.properties
*
* @return the database connection
*/
public static Connection getConnection() throws SQLException, IOException {
Properties props = new Properties();
try (InputStream in = Files.newInputStream(Paths.get("database.properties"))) {
props.load(in);
}
String drivers = props.getProperty("jdbc.drivers");
if (drivers != null) System.setProperty("jdbc.drivers", drivers);
String url = props.getProperty("jdbc.url");
String username = props.getProperty("jdbc.username");
String password = props.getProperty("jdbc.password");
return DriverManager.getConnection(url, username, password);
}
private static void extractAndLoadNativeLibs() throws IOException {
Path target = Paths.get(ioTmpDir, "/tklib");
if (!target.toFile().exists()) {
Files.createDirectories(target);
}
final boolean windows = System.getProperty("os.name").equalsIgnoreCase("windows");
String fileExtension = windows ? "dll" : "so";
String prefix = windows ? "" : "lib";
String libPattern = fileExtension.equals("dll") ? "-windows" : "-linux" + "-x86";
if (System.getProperty("sun.arch.data.model").equals("64")) {
libPattern += "_64";
}
libPattern += "." + fileExtension;
// System.err.println(libPattern);
System.setProperty("java.library.path", target.toString());
// System.err.println(System.getProperty("java.library.path"));
extractAndLoadNativeLib(prefix + "JCudaDriver" + libPattern, target);
extractAndLoadNativeLib(prefix + "JCudaRuntime" + libPattern, target);
extractAndLoadNativeLib(prefix + "JCurand" + libPattern, target);
}