jfreechart example source code file (AxisCollection.java)

This example jfreechart source code file (AxisCollection.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - jfreechart tags/keywords

axiscollection, axiscollection, illegalargumentexception, illegalargumentexception, list, list, null, null, rectangleedge, util

The jfreechart AxisCollection.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -------------------
 * AxisCollection.java
 * -------------------
 * (C) Copyright 2003-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 03-Nov-2003 : Added standard header (DG);
 *
 */

package org.jfree.chart.axis;

import java.util.List;

import org.jfree.ui.RectangleEdge;

/**
 * A collection of axes that have been assigned to the TOP, BOTTOM, LEFT or
 * RIGHT of a chart.  This class is used internally by JFreeChart, you won't
 * normally need to use it yourself.
 */
public class AxisCollection {

    /** The axes that need to be drawn at the top of the plot area. */
    private List axesAtTop;

    /** The axes that need to be drawn at the bottom of the plot area. */
    private List axesAtBottom;

    /** The axes that need to be drawn at the left of the plot area. */
    private List axesAtLeft;

    /** The axes that need to be drawn at the right of the plot area. */
    private List axesAtRight;

    /**
     * Creates a new empty collection.
     */
    public AxisCollection() {
        this.axesAtTop = new java.util.ArrayList();
        this.axesAtBottom = new java.util.ArrayList();
        this.axesAtLeft = new java.util.ArrayList();
        this.axesAtRight = new java.util.ArrayList();
    }

    /**
     * Returns a list of the axes (if any) that need to be drawn at the top of
     * the plot area.
     *
     * @return A list of axes.
     */
    public List getAxesAtTop() {
        return this.axesAtTop;
    }

   /**
    * Returns a list of the axes (if any) that need to be drawn at the bottom
    * of the plot area.
    *
    * @return A list of axes.
    */
   public List getAxesAtBottom() {
        return this.axesAtBottom;
    }

    /**
     * Returns a list of the axes (if any) that need to be drawn at the left
     * of the plot area.
     *
     * @return A list of axes.
     */
    public List getAxesAtLeft() {
        return this.axesAtLeft;
    }

    /**
    * Returns a list of the axes (if any) that need to be drawn at the right
    * of the plot area.
    *
    * @return A list of axes.
    */
    public List getAxesAtRight() {
        return this.axesAtRight;
    }

    /**
     * Adds an axis to the collection.
     *
     * @param axis  the axis (<code>null not permitted).
     * @param edge  the edge of the plot that the axis should be drawn on
     *              (<code>null not permitted).
     */
    public void add(Axis axis, RectangleEdge edge) {
        if (axis == null) {
            throw new IllegalArgumentException("Null 'axis' argument.");
        }
        if (edge == null) {
            throw new IllegalArgumentException("Null 'edge' argument.");
        }
        if (edge == RectangleEdge.TOP) {
            this.axesAtTop.add(axis);
        }
        else if (edge == RectangleEdge.BOTTOM) {
            this.axesAtBottom.add(axis);
        }
        else if (edge == RectangleEdge.LEFT) {
            this.axesAtLeft.add(axis);
        }
        else if (edge == RectangleEdge.RIGHT) {
            this.axesAtRight.add(axis);
        }
    }

}