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.]
   * 
   * ----------------------------------
   * RenderingHintValueReadHandler.java
   * ----------------------------------
   * (C)opyright 2003, by Thomas Morgner and Contributors.
   *
   * Original Author:  Thomas Morgner;
   * Contributor(s):   David Gilbert (for Object Refinery Limited);
   *
   * $Id: RenderingHintValueReadHandler.java,v 1.3 2005/10/18 13:33:32 mungady Exp $
   *
   * Changes 
   * -------
   * 03-Dec-2003 : Initial version
   * 11-Feb-2004 : Added missing Javadocs (DG);
   * 
   */
  
  package org.jfree.xml.parser.coretypes;
  
  import java.awt.RenderingHints;
  import java.lang.reflect.Field;
  import java.lang.reflect.Modifier;
  
  import org.jfree.util.Log;
  import org.jfree.xml.parser.AbstractXmlReadHandler;
  import org.jfree.xml.parser.XmlReaderException;
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  
  /**
   * A read handler for a rendering hint value.
   */
  public class RenderingHintValueReadHandler extends AbstractXmlReadHandler {
  
      /** The key under construction. */
      private Object key;
      
      /** The value under construction. */
      private Object value;
  
      /**
       * Creates a new read handler.
       */
      public RenderingHintValueReadHandler() {
          super();
      }
  
      /**
       * Starts parsing.
       *
       * @param attrs  the attributes.
       *
       * @throws SAXException if there is a parsing error.
       */
      protected void startParsing(final Attributes attrs) throws SAXException {
          final String keyText = attrs.getValue("key");
          final String valueText = attrs.getValue("value");
          this.key = stringToHintField(keyText);
          this.value = stringToHintField(valueText);
      }
  
      private Object stringToHintField (final String name) {
          final Field[] fields = RenderingHints.class.getFields();
          for (int i = 0; i < fields.length; i++) {
              final Field f = fields[i];
              if (Modifier.isFinal(f.getModifiers()) 
                  && Modifier.isPublic(f.getModifiers()) 
                  && Modifier.isStatic(f.getModifiers())) {
                  try {
                      final String fieldName = f.getName();
                      if (fieldName.equals(name)) {
                          return f.get(null);
                      }
                  }
                  catch (Exception e) {
                      Log.info ("Unable to write RenderingHint", e);
                  }
              }
          }
          throw new IllegalArgumentException("Invalid value given");
      }
  
      /**
       * Returns the object for this element.
       *
       * @return the object.
       *
       * @throws XmlReaderException if there is a parsing error.
       */
      public Object getObject() throws XmlReaderException {
          return new Object[] {this.key, this.value};
      }
  
      /**
       * Returns the key.
       * 
       * @return the key.
       */
      public Object getKey() {
          return this.key;
      }
  
      /**
       * Returns the value.
       * 
       * @return the value.
       */
      public Object getValue() {
          return this.value;
      }
      
  }
  