/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2016 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.nodeTypes;

import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.stmt.BlockStmt;
import com.github.javaparser.ast.stmt.EmptyStmt;
import com.github.javaparser.ast.stmt.Statement;

public interface NodeWithBody<N extends Node> {
    Statement getBody();

    N setBody(final Statement body);

    default BlockStmt createBlockStatementAsBody() {
        BlockStmt b = new BlockStmt();
        setBody(b);
        return b;
    }

    /**
     * @return true if the body is an {@link EmptyStmt} or an empty {@link BlockStmt}
     */
    default boolean hasEmptyBody() {
        Statement body = getBody();
        return body.toBlockStmt().map(bs -> bs.isEmpty())
                .orElse(body.isEmptyStmt());
    }

}
