implement and document fallback strategy

Author: infeo

src/main/java/org/cryptomator/integrations/common/NamedServiceProvider.java

@@ -1,5 +1,8 @@
 package org.cryptomator.integrations.common;
 
+import org.slf4j.LoggerFactory;
+
+import java.util.MissingResourceException;
 import java.util.ResourceBundle;
 
 /**
@@ -11,15 +14,22 @@ public interface NamedServiceProvider {
 	 * Get the name of this service provider.
 	 *
 	 * @return The name of the service provider
-	 * @implNote The default implementation looks first for a {@link LocalizedDisplayName} and loads the name from the specified resource bundle/key. If the annotation is not present, the code looks for {@link DisplayName} and uses its value. If none of the former annotations are present, it falls back to the qualified class name.
+	 * @implNote The default implementation looks first for a {@link LocalizedDisplayName} and loads the name from the specified resource bundle/key. If the annotation is not present or loading the resource throws an exception, the code looks for {@link DisplayName} and uses its value. If none of the former annotations are present, it falls back to the qualified class name.
 	 * @see DisplayName
 	 * @see LocalizedDisplayName
 	 */
 	default String getName() {
 		var localizedDisplayName = this.getClass().getAnnotation(LocalizedDisplayName.class);
 		if (localizedDisplayName != null) {
-			return ResourceBundle.getBundle(localizedDisplayName.bundle()) //
-					.getString(localizedDisplayName.key());
+			try {
+				return ResourceBundle.getBundle(localizedDisplayName.bundle()) //
+						.getString(localizedDisplayName.key());
+			} catch (MissingResourceException e) {
+				var clazz = this.getClass();
+				var logger = LoggerFactory.getLogger(clazz);
+				logger.warn("Failed to load localized display name for {}. Falling back to not-localized display name/class name.", clazz.getName());
+				logger.debug("Reason for failure of {}.", clazz.getName(), e);
+			}
 		}
 
 		var displayName = this.getClass().getAnnotation(DisplayName.class);