    001/* ========================================================================
    002 * JCommon : a free general purpose class library for the Java(tm) platform
    003 * ========================================================================
    004 *
    005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
    006 *
    007 * Project Info:  http://www.jfree.org/jcommon/index.html
    008 *
    009 * This library is free software; you can redistribute it and/or modify it
    010 * under the terms of the GNU Lesser General Public License as published by
    011 * the Free Software Foundation; either version 2.1 of the License, or
    012 * (at your option) any later version.
    013 *
    014 * This library is distributed in the hope that it will be useful, but
    015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017 * License for more details.
    018 *
    019 * You should have received a copy of the GNU Lesser General Public
    020 * License along with this library; if not, write to the Free Software
    021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022 * USA.
    023 *
    024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025 * in the United States and other countries.]
    026 *
    027 * ----------------------
    028 * StringReadHandler.java
    029 * ----------------------
    030 * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
    031 *
    032 * Original Author:  Thomas Morgner;
    033 * Contributor(s):   David Gilbert (for Object Refinery Limited);
    034 *
    035 * $Id: StringReadHandler.java,v 1.6 2008/09/10 09:19:23 mungady Exp $
    036 *
    037 * Changes
    038 * -------
    039 * 03-Dec-2003 : Initial version
    040 * 11-Feb-2004 : Added missing Javadocs (DG);
    041 *
    042 */
    043
    044package org.jfree.xml.parser.coretypes;
    045
    046import org.jfree.xml.parser.AbstractXmlReadHandler;
    047import org.jfree.xml.parser.XmlReaderException;
    048import org.xml.sax.Attributes;
    049import org.xml.sax.SAXException;
    050
    051/**
    052 * Required for list contents ...
    053 */
    054public class StringReadHandler extends AbstractXmlReadHandler
    055{
    056
    057  /**
    058   * A string buffer.
    059   */
    060  private StringBuffer buffer;
    061
    062  /**
    063   * The string under construction.
    064   */
    065  private String result;
    066
    067  /**
    068   * Creates a new handler.
    069   */
    070  public StringReadHandler ()
    071  {
    072    super();
    073  }
    074
    075  /**
    076   * Starts parsing.
    077   *
    078   * @param attrs the attributes.
    079   * @throws SAXException if there is a parsing error.
    080   */
    081  protected void startParsing (final Attributes attrs)
    082          throws SAXException
    083  {
    084    this.buffer = new StringBuffer();
    085  }
    086
    087  /**
    088   * This method is called to process the character data between element tags.
    089   *
    090   * @param ch     the character buffer.
    091   * @param start  the start index.
    092   * @param length the length.
    093   * @throws SAXException if there is a parsing error.
    094   */
    095  public void characters (final char[] ch, final int start, final int length)
    096          throws SAXException
    097  {
    098    this.buffer.append(ch, start, length);
    099  }
    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  /**
    115   * Returns the result.
    116   *
    117   * @return The result.
    118   */
    119  public String getResult ()
    120  {
    121    return this.result;
    122  }
    123
    124  /**
    125   * Returns the object for this element.
    126   *
    127   * @return the object.
    128   */
    129  public Object getObject ()
    130  {
    131    return this.result;
    132  }
    133}