/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/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.]
*
* -------------------------
* LengthAdjustmentType.java
* -------------------------
* (C) Copyright 2005, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: LengthAdjustmentType.java,v 1.5 2005/11/03 09:55:27 mungady Exp $
*
* Changes:
* --------
* 21-Jan-2005 : Version 1 (DG);
*
*/
package org.jfree.ui;
import java.io.ObjectStreamException;
import java.io.Serializable;
/**
* Represents the three options for adjusting a length: expand, contract, and
* no change.
*
* @author David Gilbert
*/
public final class LengthAdjustmentType implements Serializable {
/** For serialization. */
private static final long serialVersionUID = -6097408511380545010L;
/** NO_CHANGE. */
public static final LengthAdjustmentType NO_CHANGE
= new LengthAdjustmentType("NO_CHANGE");
/** EXPAND. */
public static final LengthAdjustmentType EXPAND
= new LengthAdjustmentType("EXPAND");
/** CONTRACT. */
public static final LengthAdjustmentType CONTRACT
= new LengthAdjustmentType("CONTRACT");
/** The name. */
private String name;
/**
* Private constructor.
*
* @param name the name.
*/
private LengthAdjustmentType(final String name) {
this.name = name;
}
/**
* Returns a string representing the object.
*
* @return The string.
*/
public String toString() {
return this.name;
}
/**
* Returns <code>true</code> if this object is equal to the specified
* object, and <code>false</code> otherwise.
*
* @param obj the other object (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(final Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof LengthAdjustmentType)) {
return false;
}
final LengthAdjustmentType that = (LengthAdjustmentType) obj;
if (!this.name.equals(that.name)) {
return false;
}
return true;
}
/**
* Returns a hash code value for the object.
*
* @return The hashcode
*/
public int hashCode() {
return this.name.hashCode();
}
/**
* 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(LengthAdjustmentType.NO_CHANGE)) {
return LengthAdjustmentType.NO_CHANGE;
}
else if (this.equals(LengthAdjustmentType.EXPAND)) {
return LengthAdjustmentType.EXPAND;
}
else if (this.equals(LengthAdjustmentType.CONTRACT)) {
return LengthAdjustmentType.CONTRACT;
}
return null;
}
}