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Java > Open Source Codes > 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 JavaDoc;
49 import org.xml.sax.SAXException JavaDoc;
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 JavaDoc buffer;
61
62   /**
63    * The string under construction.
64    */
65   private String JavaDoc 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 JavaDoc attrs)
82           throws SAXException JavaDoc
83   {
84     this.buffer = new StringBuffer JavaDoc();
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 JavaDoc
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 JavaDoc, XmlReaderException
109   {
110     this.result = this.buffer.toString();
111     this.buffer = null;
112   }
113
114   public String JavaDoc getResult ()
115   {
116     return result;
117   }
118
119   /**
120    * Returns the object for this element.
121    *
122    * @return the object.
123    */
124   public Object JavaDoc getObject ()
125   {
126     return this.result;
127   }
128 }
129
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