sirius.kernel.nls.NonCachingUTF8Control Maven / Gradle / Ivy
/*
* Made with all the love in the world
* by scireum in Remshalden, Germany
*
* Copyright by scireum GmbH
* http://www.scireum.de - [email protected]
*/
package sirius.kernel.nls;
import com.google.common.base.Charsets;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.Locale;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;
/**
* Disables the cache for properties files to enable reloading and loads UTF-8 stored properties.
*/
class NonCachingUTF8Control extends ResourceBundle.Control {
@Override
public long getTimeToLive(String baseName, Locale locale) {
return ResourceBundle.Control.TTL_DONT_CACHE;
}
@Override
public ResourceBundle newBundle(String baseName, Locale locale, String format, ClassLoader loader, boolean reload)
throws IllegalAccessException, InstantiationException, IOException {
// The below is a copy of the default implementation.
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) {
// Only this line is changed to make it to read properties files as UTF-8.
try (InputStreamReader reader = new InputStreamReader(stream, Charsets.UTF_8)) {
bundle = new PropertyResourceBundle(reader);
} finally {
stream.close();
}
}
return bundle;
}
}