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.]
   * 
   * ---------------
   * TextAnchor.java
   * ---------------
   * (C) Copyright 2003-2005, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * $Id: TextAnchor.java,v 1.5 2005/10/18 13:18:34 mungady Exp $
   *
   * Changes:
   * --------
   * 10-Jun-2003 : Version 1 (DG);
   * 11-Jan-2005 : Removed deprecated code (DG);
   * 
   */
  
  package org.jfree.ui;
  
  import java.io.ObjectStreamException;
  import java.io.Serializable;
  
  /**
   * Used to indicate the position of an anchor point for a text string.  This is
   * frequently used to align a string to a fixed point in some coordinate space.
   *
   * @author David Gilbert
   */
  public final class TextAnchor implements Serializable {
  
      /** For serialization. */
      private static final long serialVersionUID = 8219158940496719660L;
      
      /** Top/left. */
      public static final TextAnchor TOP_LEFT 
          = new TextAnchor("TextAnchor.TOP_LEFT");
  
      /** Top/center. */
      public static final TextAnchor TOP_CENTER 
          = new TextAnchor("TextAnchor.TOP_CENTER");
  
      /** Top/right. */
      public static final TextAnchor TOP_RIGHT 
          = new TextAnchor("TextAnchor.TOP_RIGHT");
  
      /** Half-ascent/left. */
      public static final TextAnchor HALF_ASCENT_LEFT 
          = new TextAnchor("TextAnchor.HALF_ASCENT_LEFT");
  
      /** Half-ascent/center. */
      public static final TextAnchor HALF_ASCENT_CENTER 
          = new TextAnchor("TextAnchor.HALF_ASCENT_CENTER");
  
      /** Half-ascent/right. */
      public static final TextAnchor HALF_ASCENT_RIGHT 
          = new TextAnchor("TextAnchor.HALF_ASCENT_RIGHT");
  
      /** Middle/left. */
      public static final TextAnchor CENTER_LEFT 
          = new TextAnchor("TextAnchor.CENTER_LEFT");
  
      /** Middle/center. */
      public static final TextAnchor CENTER = new TextAnchor("TextAnchor.CENTER");
  
      /** Middle/right. */
      public static final TextAnchor CENTER_RIGHT 
          = new TextAnchor("TextAnchor.CENTER_RIGHT");
  
      /** Baseline/left. */
      public static final TextAnchor BASELINE_LEFT 
          = new TextAnchor("TextAnchor.BASELINE_LEFT");
  
      /** Baseline/center. */
      public static final TextAnchor BASELINE_CENTER 
          = new TextAnchor("TextAnchor.BASELINE_CENTER");
  
      /** Baseline/right. */
      public static final TextAnchor BASELINE_RIGHT 
          = new TextAnchor("TextAnchor.BASELINE_RIGHT");
  
      /** Bottom/left. */
      public static final TextAnchor BOTTOM_LEFT 
          = new TextAnchor("TextAnchor.BOTTOM_LEFT");
  
      /** Bottom/center. */
      public static final TextAnchor BOTTOM_CENTER 
          = new TextAnchor("TextAnchor.BOTTOM_CENTER");
  
      /** Bottom/right. */
      public static final TextAnchor BOTTOM_RIGHT 
          = new TextAnchor("TextAnchor.BOTTOM_RIGHT");
  
      /** The name. */
      private String name;
  
      /**
       * Private constructor.
       *
       * @param name  the name.
       */
      private TextAnchor(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 o  the other object.
       *
       * @return A boolean.
       */
      public boolean equals(final Object o) {
  
          if (this == o) {
              return true;
          }
          if (!(o instanceof TextAnchor)) {
              return false;
          }
  
          final TextAnchor order = (TextAnchor) o;
          if (!this.name.equals(order.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 {
          TextAnchor result = null;
          if (this.equals(TextAnchor.TOP_LEFT)) {
              result = TextAnchor.TOP_LEFT;
          }
          else if (this.equals(TextAnchor.TOP_CENTER)) {
              result = TextAnchor.TOP_CENTER;
          }
          else if (this.equals(TextAnchor.TOP_RIGHT)) {
              result = TextAnchor.TOP_RIGHT;
          }
          else if (this.equals(TextAnchor.BOTTOM_LEFT)) {
              result = TextAnchor.BOTTOM_LEFT;
          }
          else if (this.equals(TextAnchor.BOTTOM_CENTER)) {
              result = TextAnchor.BOTTOM_CENTER;
          }
          else if (this.equals(TextAnchor.BOTTOM_RIGHT)) {
              result = TextAnchor.BOTTOM_RIGHT;
          }
          else if (this.equals(TextAnchor.BASELINE_LEFT)) {
              result = TextAnchor.BASELINE_LEFT;
          }
          else if (this.equals(TextAnchor.BASELINE_CENTER)) {
              result = TextAnchor.BASELINE_CENTER;
          }
          else if (this.equals(TextAnchor.BASELINE_RIGHT)) {
              result = TextAnchor.BASELINE_RIGHT;
          }
          else if (this.equals(TextAnchor.CENTER_LEFT)) {
              result = TextAnchor.CENTER_LEFT;
          }
          else if (this.equals(TextAnchor.CENTER)) {
              result = TextAnchor.CENTER;
          }
          else if (this.equals(TextAnchor.CENTER_RIGHT)) {
              result = TextAnchor.CENTER_RIGHT;
          }
          else if (this.equals(TextAnchor.HALF_ASCENT_LEFT)) {
              result = TextAnchor.HALF_ASCENT_LEFT;
          }
          else if (this.equals(TextAnchor.HALF_ASCENT_CENTER)) {
              result = TextAnchor.HALF_ASCENT_CENTER;
          }
          else if (this.equals(TextAnchor.HALF_ASCENT_RIGHT)) {
              result = TextAnchor.HALF_ASCENT_RIGHT;
          }
          return result;
      }
  
  }
  