content: /* ========================================================================
   * 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.]
   * 
   * ------------------------
   * HorizontalAlignment.java
   * ------------------------
   * (C) Copyright 2004, 2005, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * $Id: HorizontalAlignment.java,v 1.5 2005/10/18 13:18:34 mungady Exp $
   *
   * Changes:
   * --------
   * 08-Jan-2004 : Version 1 (DG);
   * 
   */
  
  package org.jfree.ui;
  
  import java.io.ObjectStreamException;
  import java.io.Serializable;
  
  /**
   * An enumeration of the horizontal alignment types (<code>LEFT</code>, 
   * <code>RIGHT</code> and <code>CENTER</code>).
   *
   * @author David Gilbert
   */
  public final class HorizontalAlignment implements Serializable {
  
      /** For serialization. */
      private static final long serialVersionUID = -8249740987565309567L;
      
      /** Left alignment. */
      public static final HorizontalAlignment LEFT 
          = new HorizontalAlignment("HorizontalAlignment.LEFT");
  
      /** Right alignment. */
      public static final HorizontalAlignment RIGHT 
          = new HorizontalAlignment("HorizontalAlignment.RIGHT");
  
      /** Center alignment. */
      public static final HorizontalAlignment CENTER 
          = new HorizontalAlignment("HorizontalAlignment.CENTER");
  
      /** The name. */
      private String name;
  
      /**
       * Private constructor.
       *
       * @param name  the name.
       */
      private HorizontalAlignment(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 object (<code>null</code> permitted).
       *
       * @return A boolean.
       */
      public boolean equals(final Object obj) {
          if (this == obj) {
              return true;
          }
          if (!(obj instanceof HorizontalAlignment)) {
              return false;
          }
          final HorizontalAlignment that = (HorizontalAlignment) 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 {
          HorizontalAlignment result = null;
          if (this.equals(HorizontalAlignment.LEFT)) {
              result = HorizontalAlignment.LEFT;
          }
          else if (this.equals(HorizontalAlignment.RIGHT)) {
              result = HorizontalAlignment.RIGHT;
          }
          else if (this.equals(HorizontalAlignment.CENTER)) {
              result = HorizontalAlignment.CENTER;
          }
          return result;
      }
      
  }
  