package com.atlassian.sal.core.message;
   
   import com.atlassian.sal.api.message.LocaleResolver;
   import com.atlassian.sal.api.user.UserKey;
   
   import javax.servlet.http.HttpServletRequest;
   import java.util.Collections;
   import java.util.HashSet;
   import java.util.Locale;
  import java.util.Set;
  
  /**
   * Simple resolver that only supports the system default locale.
   *
   * @since 2.2.0
   */
  public class SystemDefaultLocaleResolver implements LocaleResolver {
      @Override
      public Locale getLocale(HttpServletRequest request) {
          return getLocale();
      }
  
      @Override
      public Locale getLocale() {
          return Locale.getDefault();
      }
  
      @Override
      public Locale getLocale(UserKey userKey) {
          return Locale.getDefault();
      }
  
      @Override
      public Set<Locale> getSupportedLocales() {
          return new HashSet<>(Collections.singletonList(Locale.getDefault()));
      }
  }