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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D APIs, it currently supports bar charts, pie charts,
line charts, XY-plots and time series plots.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2013, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* -------------------------
* DateTickMarkPosition.java
* -------------------------
* (C) Copyright 2003-2008, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes:
* --------
* 30-Apr-2003 : Version 1 (DG);
*
*/
package org.jfree.chart.axis;
import java.io.ObjectStreamException;
import java.io.Serializable;
/**
* Used to indicate the required position of tick marks on a date axis relative
* to the underlying time period.
*/
public final class DateTickMarkPosition implements Serializable {
/** For serialization. */
private static final long serialVersionUID = 2540750672764537240L;
/** Start of period. */
public static final DateTickMarkPosition START
= new DateTickMarkPosition("DateTickMarkPosition.START");
/** Middle of period. */
public static final DateTickMarkPosition MIDDLE
= new DateTickMarkPosition("DateTickMarkPosition.MIDDLE");
/** End of period. */
public static final DateTickMarkPosition END
= new DateTickMarkPosition("DateTickMarkPosition.END");
/** The name. */
private String name;
/**
* Private constructor.
*
* @param name the name.
*/
private DateTickMarkPosition(String name) {
this.name = name;
}
/**
* Returns a string representing the object.
*
* @return The string.
*/
@Override
public String toString() {
return this.name;
}
/**
* Returns true if this object is equal to the specified
* object, and false otherwise.
*
* @param obj the other object.
*
* @return A boolean.
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof DateTickMarkPosition)) {
return false;
}
DateTickMarkPosition position = (DateTickMarkPosition) obj;
if (!this.name.equals(position.toString())) {
return false;
}
return true;
}
/**
* Ensures that serialization returns the unique instances.
*
* @return The object.
*
* @throws ObjectStreamException if there is a problem.
*/
private Object readResolve() throws ObjectStreamException {
if (this.equals(DateTickMarkPosition.START)) {
return DateTickMarkPosition.START;
}
else if (this.equals(DateTickMarkPosition.MIDDLE)) {
return DateTickMarkPosition.MIDDLE;
}
else if (this.equals(DateTickMarkPosition.END)) {
return DateTickMarkPosition.END;
}
return null;
}
}