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A Symbol Solver for Java, built on top of JavaParser (logic)

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/*
 * Copyright (C) 2015-2016 Federico Tomassetti
 * Copyright (C) 2017-2020 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.symbolsolver.logic;

import com.github.javaparser.resolution.declarations.ResolvedClassDeclaration;
import com.github.javaparser.resolution.types.ResolvedReferenceType;

import java.util.ArrayList;
import java.util.List;

/**
 * A common ancestor for all ClassDeclarations.
 *
 * @author Federico Tomassetti
 */
public abstract class AbstractClassDeclaration extends AbstractTypeDeclaration
        implements ResolvedClassDeclaration, MethodResolutionCapability {

    ///
    /// Public
    ///

    @Override
    public boolean hasName() {
        return getQualifiedName() != null;
    }

    @Override
    public final List getAllSuperClasses() {
        List superclasses = new ArrayList<>();
        ResolvedReferenceType superClass = getSuperClass();
        if (superClass != null) {
            superclasses.add(superClass);
            superclasses.addAll(superClass.getAllClassesAncestors());
        }

        if (superclasses.removeIf(s -> s.getQualifiedName().equals(Object.class.getCanonicalName()))) {
            superclasses.add(object());
        }
        return superclasses;
    }

    @Override
    public final List getAllInterfaces() {
        List interfaces = new ArrayList<>();
        for (ResolvedReferenceType interfaceDeclaration : getInterfaces()) {
            interfaces.add(interfaceDeclaration);
            interfaces.addAll(interfaceDeclaration.getAllInterfacesAncestors());
        }
        ResolvedReferenceType superClass = this.getSuperClass();
        if (superClass != null) {
            interfaces.addAll(superClass.getAllInterfacesAncestors());
        }
        return interfaces;
    }

    @Override
    public final ResolvedClassDeclaration asClass() {
        return this;
    }

    ///
    /// Protected
    ///

    /**
     * An implementation of the Object class.
     */
    protected abstract ResolvedReferenceType object();

}