1 files changed, 102 insertions, 0 deletions
diff --git a/src/org/unitConverter/newUnits/BaseUnit.java b/src/org/unitConverter/newUnits/BaseUnit.java
new file mode 100644
index 0000000..69e8b8b
--- /dev/null
+++ b/src/org/unitConverter/newUnits/BaseUnit.java
@@ -0,0 +1,102 @@
+/**
+ * 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.newUnits;
+
+import java.util.Objects;
+
+import org.unitConverter.dimension.BaseDimension;
+import org.unitConverter.math.ObjectProduct;
+
+/**
+ * A unit that other units are defined by.
+ * 
+ * @author Adrien Hopkins
+ * @since 2019-10-16
+ */
+public final class BaseUnit implements Unit {
+	private final BaseDimension dimension;
+	private final String name;
+	private final String symbol;
+
+	/**
+	 * Creates the {@code BaseUnit}.
+	 * 
+	 * @param dimension
+	 *            dimension of unit
+	 * @param name
+	 *            name of unit
+	 * @param symbol
+	 *            symbol of unit
+	 * @throws NullPointerException
+	 *             if any argument is null
+	 * @since 2019-10-16
+	 */
+	private BaseUnit(final BaseDimension dimension, final String name, final String symbol) {
+		this.dimension = Objects.requireNonNull(dimension, "dimension must not be null.");
+		this.name = Objects.requireNonNull(name, "name must not be null.");
+		this.symbol = Objects.requireNonNull(symbol, "symbol must not be null.");
+	}
+
+	@Override
+	public double convertFromBase(final double value) {
+		return value;
+	}
+
+	@Override
+	public double convertToBase(final double value) {
+		return value;
+	}
+
+	@Override
+	public ObjectProduct<BaseUnit> getBase() {
+		return ObjectProduct.oneOf(this);
+	}
+
+	/**
+	 * @return dimension
+	 * @since 2019-10-16
+	 */
+	public final BaseDimension getBaseDimension() {
+		return this.dimension;
+	}
+
+	@Override
+	public ObjectProduct<BaseDimension> getDimension() {
+		return ObjectProduct.oneOf(this.getBaseDimension());
+	}
+
+	/**
+	 * @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());
+	}
+}