content: /*
   * Copyright (c) 2020 Adam Gaj
   *
   * Licensed 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
   *
   *     https://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 com.adgadev.jplusone.asserts.impl;
  
  import com.adgadev.jplusone.asserts.api.JPlusOneAssertionContext;
  import com.adgadev.jplusone.asserts.impl.rule.Rule;
  import com.adgadev.jplusone.core.registry.RootNodeView;
  import lombok.RequiredArgsConstructor;
  
  import static com.adgadev.jplusone.asserts.impl.util.ValidationUtils.ensureThat;
  import static java.util.Objects.nonNull;
  
  @RequiredArgsConstructor(staticName = "of")
  class Assertion {
  
      private final Rule rule;
  
      private final JPlusOneAssertionContext context;
  
      void check() {
          Object contextData = context.getContextData();
          ensureThat(nonNull(contextData), "context data must not be null");
          ensureThat(contextData instanceof RootNodeView, "Unsupported context data type");
          rule.check((RootNodeView) contextData);
      }
  }
  