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.]
   * 
   * ----------------------
   * ArrayClassFactory.java
   * ----------------------
   * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
   *
   * Original Author:  Thomas Morgner;
   * Contributor(s):   David Gilbert (for Object Refinery Limited);
   *
   * $Id: ArrayClassFactory.java,v 1.2 2005/10/18 13:31:58 mungady Exp $
   *
   * Changes (from 19-Feb-2003)
   * -------------------------
   * 06-May-2003 : Initial version
   */
  package org.jfree.xml.factory.objects;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  
  import org.jfree.util.Configuration;
  
  /**
   * An class that implements the {@link ClassFactory} interface to
   * create Arrays of objects. The object descriptions are created on
   * demand.
   *
   * @author Thomas Morgner.
   */
  public class ArrayClassFactory implements ClassFactory {
  
      /**
       * Default constructor.
       */
      public ArrayClassFactory() {
          super();
      }
  
      /**
       * Returns an object description for a class.
       *
       * @param c  the class.
       *
       * @return The object description.
       */
      public ObjectDescription getDescriptionForClass(final Class c) {
          if (!c.isArray()) {
              return null;
          }
          else {
              return new ArrayObjectDescription(c);
          }
      }
  
      /**
       * Returns an object description for the super class of a class.
       * This method always returns null.
       *
       * @param d  the class.
       * @param knownSuperClass the last known super class or null.
       *
       * @return The object description.
       */
      public ObjectDescription getSuperClassObjectDescription
          (final Class d, final ObjectDescription knownSuperClass) {
          return null;
      }
  
      /**
       * Returns an iterator for the registered classes. This returns a list
       * of pre-registered classes known to this ClassFactory. A class may be able
       * to handle more than the registered classes.
       * <p>
       * This method exists to support query tools for UI design, do not rely on it
       * for day to day work.
       *
       * @return The iterator.
       */
      public Iterator getRegisteredClasses() {
          final ArrayList l = new ArrayList();
          l.add(Object[].class);
          return l.iterator();
      }
  
      /**
       * Configures this factory. The configuration contains several keys and
       * their defined values. The given reference to the configuration object
       * will remain valid until the report parsing or writing ends.
       * <p>
       * The configuration contents may change during the reporting.
       *
       * @param config the configuration, never null
       */
      public void configure(final Configuration config) {
          // nothing required
      }
  
      /**
       * ArrayClassFactories are always equal, there is nothing that could
       * not be equal :)
       *
       * @param o the other object.
       * @return true, if both object factories describe the same objects, false otherwise.
       */
      public boolean equals(final Object o) {
          if (this == o) {
              return true;
          }
          if (!(o instanceof ArrayClassFactory)) {
              return false;
          }
          return true;
      }
  
      /**
       * Returns a hash code value for the object. This method is
       * supported for the benefit of hashtables such as those provided by
       * <code>java.util.Hashtable</code>.
       *
       * @return the computed hashcode.
       */
      public int hashCode() {
          return getClass().hashCode();
      }
  }
  