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The core parser functionality. This may be all you need.

There is a newer version: 3.26.2

/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2023 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.resolution.declarations;

import java.util.List;

/**
 * Declaration of an Enum.
 *
 * @author Federico Tomassetti
 */
public interface ResolvedEnumDeclaration extends ResolvedReferenceTypeDeclaration, HasAccessSpecifier {

    @Override
    default boolean isEnum() {
        return true;
    }

    @Override
    default ResolvedEnumDeclaration asEnum() {
        return this;
    }

    List getEnumConstants();

    default boolean hasEnumConstant(String name) {
        return getEnumConstants().stream().anyMatch(c -> c.getName().equals(name));
    }

    default ResolvedEnumConstantDeclaration getEnumConstant(final String name) {
        return getEnumConstants().stream().filter(c -> c.getName().equals(name)).findFirst().orElseThrow(() -> new IllegalArgumentException("No constant named " + name));
    }
}