Source for org.jfree.xml.parser.coretypes.StringReadHandler

   1: /* ========================================================================
   2:  * JCommon : a free general purpose class library for the Java(tm) platform
   3:  * ========================================================================
   4:  *
   5:  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   6:  * 
   7:  * Project Info:  http://www.jfree.org/jcommon/index.html
   8:  *
   9:  * This library is free software; you can redistribute it and/or modify it 
  10:  * under the terms of the GNU Lesser General Public License as published by 
  11:  * the Free Software Foundation; either version 2.1 of the License, or 
  12:  * (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but 
  15:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  16:  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  17:  * License for more details.
  18:  *
  19:  * You should have received a copy of the GNU Lesser General Public
  20:  * License along with this library; if not, write to the Free Software
  21:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
  22:  * USA.  
  23:  *
  24:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
  25:  * in the United States and other countries.]
  26:  * 
  27:  * ----------------------
  28:  * StringReadHandler.java
  29:  * ----------------------
  30:  * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
  31:  *
  32:  * Original Author:  Thomas Morgner;
  33:  * Contributor(s):   David Gilbert (for Object Refinery Limited);
  34:  *
  35:  * $Id: StringReadHandler.java,v 1.5 2005/10/18 13:33:32 mungady Exp $
  36:  *
  37:  * Changes 
  38:  * -------
  39:  * 03-Dec-2003 : Initial version
  40:  * 11-Feb-2004 : Added missing Javadocs (DG);
  41:  *  
  42:  */
  43: 
  44: package org.jfree.xml.parser.coretypes;
  45: 
  46: import org.jfree.xml.parser.AbstractXmlReadHandler;
  47: import org.jfree.xml.parser.XmlReaderException;
  48: import org.xml.sax.Attributes;
  49: import org.xml.sax.SAXException;
  50: 
  51: /**
  52:  * Required for list contents ...
  53:  */
  54: public class StringReadHandler extends AbstractXmlReadHandler
  55: {
  56: 
  57:   /**
  58:    * A string buffer.
  59:    */
  60:   private StringBuffer buffer;
  61: 
  62:   /**
  63:    * The string under construction.
  64:    */
  65:   private String result;
  66: 
  67:   /**
  68:    * Creates a new handler.
  69:    */
  70:   public StringReadHandler ()
  71:   {
  72:     super();
  73:   }
  74: 
  75:   /**
  76:    * Starts parsing.
  77:    *
  78:    * @param attrs the attributes.
  79:    * @throws SAXException if there is a parsing error.
  80:    */
  81:   protected void startParsing (final Attributes attrs)
  82:           throws SAXException
  83:   {
  84:     this.buffer = new StringBuffer();
  85:   }
  86: 
  87:   /**
  88:    * This method is called to process the character data between element tags.
  89:    *
  90:    * @param ch     the character buffer.
  91:    * @param start  the start index.
  92:    * @param length the length.
  93:    * @throws SAXException if there is a parsing error.
  94:    */
  95:   public void characters (final char[] ch, final int start, final int length)
  96:           throws SAXException
  97:   {
  98:     this.buffer.append(ch, start, length);
  99:   }
 100: 
 101:   /**
 102:    * Done parsing.
 103:    *
 104:    * @throws SAXException       if there is a parsing error.
 105:    * @throws XmlReaderException if there is a reader error.
 106:    */
 107:   protected void doneParsing ()
 108:           throws SAXException, XmlReaderException
 109:   {
 110:     this.result = this.buffer.toString();
 111:     this.buffer = null;
 112:   }
 113: 
 114:   public String getResult ()
 115:   {
 116:     return result;
 117:   }
 118: 
 119:   /**
 120:    * Returns the object for this element.
 121:    *
 122:    * @return the object.
 123:    */
 124:   public Object getObject ()
 125:   {
 126:     return this.result;
 127:   }
 128: }