adgadev/jplusone

/*
 * 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);
    }
}