public OracleValidConnectionChecker() {
try {
clazz = JdbcUtils.loadDriverClass("oracle.jdbc.driver.OracleConnection");
if (clazz != null) {
ping = clazz.getMethod("pingDatabase", new Class[] {Integer.TYPE});
} else {
ping = null;
}
} catch (Exception e) {
throw new RuntimeException("Unable to resolve pingDatabase method:", e);
}
}
public Driver createDriver(String className) throws SQLException {
Class<?> rawDriverClass = JdbcUtils.loadDriverClass(className);
if (rawDriverClass == null) {
throw new SQLException("jdbc-driver's class not found. '" + className + "'");
}
Driver rawDriver;
try {
rawDriver = (Driver) rawDriverClass.newInstance();
} catch (InstantiationException e) {
throw new SQLException("create driver instance error, driver className '" + className + "'");
} catch (IllegalAccessException e) {
throw new SQLException("create driver instance error, driver className '" + className + "'");
}
return rawDriver;
}