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/* ========================================================================
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* JCommon : a free general purpose class library for the Java(tm) platform
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* ========================================================================
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* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
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* Project Info: http://www.jfree.org/jcommon/index.html
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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* (C) Copyright 2003, 2004, by Object Refinery Limited.
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* Original Author: David Gilbert (for Object Refinery Limited);
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* $Id: PaintList.java,v 1.5 2005/10/18 13:24:19 mungady Exp $
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* 13-Aug-2003 : Version 1 (DG);
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* 27-Jun-2005 : Fixed equals() method to handle GradientPaint (DG);
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package org.jfree.util;
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import java.awt.Paint;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import org.jfree.io.SerialUtilities;
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* A table of {@link Paint} objects.
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* @author David Gilbert
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public class PaintList extends AbstractObjectList {
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* Returns a {@link Paint} object from the list.
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* @param index the index (zero-based).
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public Paint getPaint(final int index) {
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return (Paint) get(index);
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* Sets the {@link Paint} for an item in the list. The list is expanded if necessary.
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* @param index the index (zero-based).
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* @param paint the {@link Paint}.
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public void setPaint(final int index, final Paint paint) {
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* Tests the list for equality with another object (typically also a list).
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* @param obj the other object (<code>null</code> permitted).
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public boolean equals(final Object obj) {
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if (obj instanceof PaintList) {
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PaintList that = (PaintList) obj;
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int listSize = size();
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for (int i = 0; i < listSize; i++) {
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if (!PaintUtilities.equal(getPaint(i), that.getPaint(i))) {
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* Returns a hash code value for the object.
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* @return the hashcode
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public int hashCode() {
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return super.hashCode();
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* Provides serialization support.
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* @param stream the output stream.
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* @throws IOException if there is an I/O error.
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private void writeObject(final ObjectOutputStream stream) throws IOException {
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stream.defaultWriteObject();
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final int count = size();
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stream.writeInt(count);
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for (int i = 0; i < count; i++) {
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final Paint paint = getPaint(i);
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SerialUtilities.writePaint(paint, stream);
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* Provides serialization support.
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* @param stream the input stream.
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* @throws IOException if there is an I/O error.
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* @throws ClassNotFoundException if there is a classpath problem.
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private void readObject(final ObjectInputStream stream) throws IOException, ClassNotFoundException {
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stream.defaultReadObject();
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final int count = stream.readInt();
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for (int i = 0; i < count; i++) {
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final int index = stream.readInt();
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setPaint(index, SerialUtilities.readPaint(stream));