Vector3D Value

package calculator.datatypes.vector;

import calculator.AbstractValue;
import calculator.DivisionByZeroException;
import calculator.OperationNotSupportedException;

public class VectorValue extends AbstractValue {
    private int x;
    private int y;
    private int z;

    public VectorValue(int x, int y, int z) {
        super();

        this.x = x;
        this.y = y;
        this.z = z;
    }

    @Override
    public AbstractValue add(AbstractValue operand) throws OperationNotSupportedException {
        int x = this.x + ((VectorValue) operand).x;
        int y = this.y + ((VectorValue) operand).y;
        int z = this.z + ((VectorValue) operand).z;

        return new VectorValue(x, y, z);
    }

    @Override
    public AbstractValue sub(AbstractValue operand) throws OperationNotSupportedException {
        int x = this.x - ((VectorValue) operand).x;
        int y = this.y - ((VectorValue) operand).y;
        int z = this.z - ((VectorValue) operand).z;

        return new VectorValue(x, y, z);
    }

    @Override
    public AbstractValue mul(AbstractValue operand) throws OperationNotSupportedException {
        int i = this.y * ((VectorValue) operand).z - this.z * ((VectorValue) operand).y;
        int j = -(this.x * ((VectorValue) operand).z - this.z * ((VectorValue) operand).x);
        int k = this.x * ((VectorValue) operand).y - this.y * ((VectorValue) operand).x;

        return new VectorValue(i, j, k);
    }

    @Override
    public AbstractValue div(AbstractValue operand) throws DivisionByZeroException, OperationNotSupportedException {
        throw new OperationNotSupportedException("div");
    }

    @Override
    public String toString() {
        StringBuilder builder = new StringBuilder("Vector3D(");
        builder.append(this.x + ", ");
        builder.append(this.y + ", ");
        builder.append(this.z + ")");

        return builder.toString();
    }
}