001    /**
002     * ================================================
003     * LibLoader : a free Java resource loading library
004     * ================================================
005     *
006     * Project Info:  http://reporting.pentaho.org/libloader/
007     *
008     * (C) Copyright 2006, by Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     *
026     * ------------
027     * $Id: LoaderParameterKey.java 2713 2007-04-01 13:43:18Z taqua $
028     * ------------
029     * (C) Copyright 2006, by Pentaho Corporation.
030     */
031    package org.jfree.resourceloader;
032    
033    import java.io.Serializable;
034    
035    /**
036     * Creation-Date: 16.05.2006, 15:24:21
037     *
038     * @author Thomas Morgner
039     */
040    public final class LoaderParameterKey implements Serializable
041    {
042      private String name;
043      private transient int hashKey;
044    
045      public LoaderParameterKey(final String name)
046      {
047        if (name == null)
048        {
049          throw new NullPointerException();
050        }
051        this.name = name;
052      }
053    
054      public boolean equals(final Object o)
055      {
056        if (this == o)
057        {
058          return true;
059        }
060        if (o == null || getClass() != o.getClass())
061        {
062          return false;
063        }
064    
065        final LoaderParameterKey that = (LoaderParameterKey) o;
066    
067        if (!name.equals(that.name))
068        {
069          return false;
070        }
071    
072        return true;
073      }
074    
075      public int hashCode()
076      {
077        if (hashKey == 0)
078        {
079          hashKey = name.hashCode();
080        }
081        return hashKey;
082      }
083    }