package das.tools.np.services.impl;

import das.tools.np.services.UTF8Control;
import org.springframework.stereotype.Component;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;
import java.util.Locale;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

@Component
public class UTF8ControlImpl extends ResourceBundle.Control implements UTF8Control {
    @Override
    public ResourceBundle newBundle(String baseName, Locale locale,
                                    String format, ClassLoader loader,
                                    boolean reload) throws IOException {
        String bundleName = toBundleName(baseName, locale);
        String resourceName = toResourceName(bundleName, "properties");
        ResourceBundle bundle = null;
        InputStream stream = null;
        if (reload) {
            URL url = loader.getResource(resourceName);
            if (url != null) {
                URLConnection connection = url.openConnection();
                if (connection != null) {
                    connection.setUseCaches(false);
                    stream = connection.getInputStream();
                }
            }
        } else {
            stream = loader.getResourceAsStream(resourceName);
        }
        if (stream != null) {
            try {
                bundle = new PropertyResourceBundle(new InputStreamReader(stream, StandardCharsets.UTF_8));
            } finally {
                stream.close();
            }
        }
        return bundle;
    }
}
