content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.core.metamodel.services.message;
  
  import org.apache.causeway.applib.annotation.Domain;
  import org.apache.causeway.applib.services.i18n.TranslatableString;
  import org.apache.causeway.applib.services.i18n.TranslationContext;
  import org.apache.causeway.applib.services.message.MessageService;
  
  @Domain.Exclude // can be used via producer (optional)
  public class MessageServiceNoop implements MessageService {
  
      @Override
      public void informUser(final String message) {
          throw new UnsupportedOperationException("Not supported by this implementation of MessageService");
      }
  
      @Override
      public String informUser(
              final TranslatableString message,
              final Class<?> contextClass,
              final String contextMethod) {
          throw notSupported();
      }
  
      @Override
      public String informUser(final TranslatableString message, final TranslationContext translationContext) {
          throw notSupported();
      }
  
      @Override
      public void warnUser(final String message) {
          throw notSupported();
      }
  
      @Override public String warnUser(
              final TranslatableString message,
              final Class<?> contextClass,
              final String contextMethod) {
          throw notSupported();
      }
  
      @Override
      public String warnUser(final TranslatableString message, final TranslationContext translationContext) {
          throw notSupported();
      }
  
      @Override
      public void raiseError(final String message) {
          throw notSupported();
      }
  
      @Override public String raiseError(
              final TranslatableString message,
              final Class<?> contextClass,
              final String contextMethod) {
          throw notSupported();
      }
  
      @Override
      public String raiseError(final TranslatableString message, final TranslationContext translationContext) {
          throw notSupported();
      }
  
      @Override
      public void setError(final String message) {
          throw notSupported();
      }
  
      // -- HELPER
  
      private static UnsupportedOperationException notSupported() {
          return new UnsupportedOperationException("Not supported by this implementation of RuntimeContext");
      }
  
  }
  