/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2020 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 */

package com.github.javaparser.ast.validator;

import com.github.javaparser.ParseResult;
import com.github.javaparser.ast.Node;

import java.util.function.BiConsumer;

/**
 * A validator that validates a known node type.
 */
public interface TypedValidator<N extends Node> extends BiConsumer<N, ProblemReporter> {
    /**
     * @param node the node that wants to be validated
     * @param problemReporter when found, validation errors can be reported here
     */
    void accept(N node, ProblemReporter problemReporter);

    @SuppressWarnings("unchecked")
    default ParseResult.PostProcessor postProcessor() {
        return (result, configuration) ->
                result.getResult().ifPresent(node ->
                        accept((N) node, new ProblemReporter(problem -> result.getProblems().add(problem))));
    }
}
