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path: root/src/org/unitConverter/unit/BaseDimension.java
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/**
 * Copyright (C) 2019 Adrien Hopkins
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package org.unitConverter.unit;

import java.util.Objects;

/**
 * A dimension that defines a {@code BaseUnit}
 * 
 * @author Adrien Hopkins
 * @since 2019-10-16
 */
public final class BaseDimension {
	/**
	 * Gets a {@code BaseDimension} with the provided name and symbol.
	 * 
	 * @param name
	 *            name of dimension
	 * @param symbol
	 *            symbol used for dimension
	 * @return dimension
	 * @since 2019-10-16
	 */
	public static BaseDimension valueOf(final String name, final String symbol) {
		return new BaseDimension(name, symbol);
	}

	private final String name;
	private final String symbol;

	/**
	 * Creates the {@code BaseDimension}.
	 * 
	 * @param name
	 *            name of unit
	 * @param symbol
	 *            symbol of unit
	 * @throws NullPointerException
	 *             if any argument is null
	 * @since 2019-10-16
	 */
	private BaseDimension(final String name, final String symbol) {
		this.name = Objects.requireNonNull(name, "name must not be null.");
		this.symbol = Objects.requireNonNull(symbol, "symbol must not be null.");
	}

	/**
	 * @return name
	 * @since 2019-10-16
	 */
	public final String getName() {
		return this.name;
	}

	/**
	 * @return symbol
	 * @since 2019-10-16
	 */
	public final String getSymbol() {
		return this.symbol;
	}

	@Override
	public String toString() {
		return String.format("%s (%s)", this.getName(), this.getSymbol());
	}
}