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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package sun.security.ec.point;

import sun.security.util.math.ImmutableIntegerModuloP;

import java.util.Objects;

Elliptic curve point represented using affine coordinates (x, y). This class
is not part of the sun.security.ec.point.Point hierarchy because it is not
used to hold intermediate values during point arithmetic, and so it does not
have a mutable form.
/**
 * Elliptic curve point represented using affine coordinates (x, y). This class
 * is not part of the sun.security.ec.point.Point hierarchy because it is not
 * used to hold intermediate values during point arithmetic, and so it does not
 * have a mutable form.
 */
public class AffinePoint {

    private final ImmutableIntegerModuloP x;
    private final ImmutableIntegerModuloP y;

    public AffinePoint(ImmutableIntegerModuloP x, ImmutableIntegerModuloP y) {
        this.x = x;
        this.y = y;
    }

    public ImmutableIntegerModuloP getX() {
        return x;
    }

    public ImmutableIntegerModuloP getY() {
        return y;
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof AffinePoint)) {
            return false;
        }
        AffinePoint p = (AffinePoint) obj;
        boolean xEquals = x.asBigInteger().equals(p.x.asBigInteger());
        boolean yEquals = y.asBigInteger().equals(p.y.asBigInteger());
        return xEquals && yEquals;
    }

    @Override
    public int hashCode() {
        return Objects.hash(x, y);
    }

    @Override
    public String toString() {
        return "(" + x.asBigInteger().toString() + "," +
            y.asBigInteger().toString() + ")";
    }
}