    001    /* ===========================================================
    002     * JFreeChart : a free chart library for the Java(tm) platform
    003     * ===========================================================
    004     *
    005     * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jfreechart/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * -------------
    028     * TickType.java
    029     * -------------
    030     * (C) Copyright 2007, by Object Refinery Limited.
    031     *
    032     * Original Author:  David Gilbert (for Object Refinery Limited);
    033     * Contributor(s):   -;
    034     *
    035     * Changes:
    036     * --------
    037     * 02-Aug-2007 : Version 1 (DG);
    038     *
    039     */
    040
    041    package org.jfree.chart.axis;
    042
    043    import java.io.ObjectStreamException;
    044    import java.io.Serializable;
    045
    046    /**
    047     * Used to indicate the tick type (MAJOR or MINOR).
    048     *
    049     * @since 1.0.7
    050     */
    051    public final class TickType implements Serializable {
    052
    053        /** Major tick. */
    054        public static final TickType MAJOR = new TickType("MAJOR");
    055
    056        /** Minor tick. */
    057        public static final TickType MINOR = new TickType("MINOR");
    058
    059        /** The name. */
    060        private String name;
    061
    062        /**
    063         * Private constructor.
    064         *
    065         * @param name  the name.
    066         */
    067        private TickType(String name) {
    068            this.name = name;
    069        }
    070
    071        /**
    072         * Returns a string representing the object.
    073         *
    074         * @return The string.
    075         */
    076        public String toString() {
    077            return this.name;
    078        }
    079
    080        /**
    081         * Returns <code>true</code> if this object is equal to the specified
    082         * object, and <code>false</code> otherwise.
    083         *
    084         * @param obj  the other object.
    085         *
    086         * @return A boolean.
    087         */
    088        public boolean equals(Object obj) {
    089            if (this == obj) {
    090                return true;
    091            }
    092            if (!(obj instanceof TickType)) {
    093                return false;
    094            }
    095
    096            TickType that = (TickType) obj;
    097            if (!this.name.equals(that.name)) {
    098                return false;
    099            }
    100            return true;
    101        }
    102
    103        /**
    104         * Ensures that serialization returns the unique instances.
    105         *
    106         * @return The object.
    107         *
    108         * @throws ObjectStreamException if there is a problem.
    109         */
    110        private Object readResolve() throws ObjectStreamException {
    111            Object result = null;
    112            if (this.equals(TickType.MAJOR)) {
    113                result = TickType.MAJOR;
    114            }
    115            else if (this.equals(TickType.MINOR)) {
    116                result = TickType.MINOR;
    117            }
    118            return result;
    119        }
    120
    121    }