EnumFactory.java

/**
 * Copyright (C) 2006-2017 INRIA and contributors
 * Spoon - http://spoon.gforge.inria.fr/
 *
 * This software is governed by the CeCILL-C License under French law and
 * abiding by the rules of distribution of free software. You can use, modify
 * and/or redistribute the software under the terms of the CeCILL-C license as
 * circulated by CEA, CNRS and INRIA at http://www.cecill.info.
 *
 * This program 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 CeCILL-C License for more details.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL-C license and that you accept its terms.
 */
package spoon.reflect.factory;

import spoon.reflect.declaration.CtEnum;
import spoon.reflect.declaration.CtPackage;
import spoon.reflect.declaration.CtType;

/**
 * The {@link CtEnum} sub-factory.
 */
public class EnumFactory extends TypeFactory {

	/**
	 * Creates a new enum sub-factory.
	 *
	 * @param factory
	 * 		the parent factory
	 */
	public EnumFactory(Factory factory) {
		super(factory);
	}

	/**
	 * Creates a new enumeration type
	 *
	 * @param owner
	 * 		package
	 * @param simpleName
	 * 		the simple name
	 */
	public CtEnum<?> create(CtPackage owner, String simpleName) {
		CtEnum<?> e = factory.Core().createEnum();
		e.setSimpleName(simpleName);
		owner.addType(e);
		return e;
	}

	/**
	 * Creates an enum from its qualified name.
	 */
	public CtEnum<?> create(String qualifiedName) {
		return create(
				factory.Package().getOrCreate(getPackageName(qualifiedName)),
				getSimpleName(qualifiedName));
	}

	/**
	 * Gets an already created enumeration from its qualified name.
	 *
	 * @return the enumeration or null if does not exist
	 */
	@SuppressWarnings("unchecked")
	public CtEnum<?> get(String qualifiedName) {
		try {
			return (CtEnum<?>) super.get(qualifiedName);
		} catch (Exception e) {
			return null;
		}
	}

	/**
	 * Gets a class from its runtime Java class.
	 *
	 * @param <T>
	 * 		type of created class
	 * @param cl
	 * 		the java class: note that this class should be Class<T> but it
	 * 		then poses problem when T is a generic type itself
	 */
	public <T extends Enum<?>> CtEnum<T> getEnum(Class<T> cl) {
		try {
			CtType<T> t = super.get(cl);
			return (CtEnum<T>) t;
		} catch (Exception e) {
			return null;
		}
	}

}