View Javadoc
1   /**
2    * Redistribution and use of this software and associated documentation ("Software"), with or
3    * without modification, are permitted provided that the following conditions are met:
4    *
5    * 1. Redistributions of source code must retain copyright statements and notices. Redistributions
6    * must also contain a copy of this document.
7    *
8    * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
9    * conditions and the following disclaimer in the documentation and/or other materials provided with
10   * the distribution.
11   *
12   * 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
13   * without prior written permission of Intalio, Inc. For written permission, please contact
14   * info@exolab.org.
15   *
16   * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
17   * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
18   * Intalio, Inc.
19   *
20   * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
21   *
22   * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
23   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
24   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
25   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
29   * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30   *
31   * Copyright 1999-2002 (C) Intalio, Inc. All Rights Reserved.
32   *
33   * $Id$
34   */
35  
36  package org.exolab.castor.xml.schema.reader;
37  
38  import org.exolab.castor.xml.XMLException;
39  import org.exolab.castor.xml.schema.SchemaContext;
40  
41  /**
42   * A utility class for Unmarshalling elements with only String content
43   * 
44   * @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
45   * @version $Revision$ $Date: 2003-03-03 00:05:44 -0700 (Mon, 03 Mar 2003) $
46   **/
47  public class CharacterUnmarshaller extends ComponentReader {
48  
49  
50    private StringBuffer sb = null;
51  
52    private String currentName = null;
53  
54    /**
55     * Creates a new StringUnmarshaller.
56     * 
57     * @param schemaContext the schema context to get some configuration settings from
58     **/
59    public CharacterUnmarshaller(final SchemaContext schemaContext) {
60      super(schemaContext);
61      sb = new StringBuffer();
62    } // -- CharacterUnmarshaller
63  
64    /**
65     * Returns the name of the element that this ComponentReader handles
66     * 
67     * @return the name of the element that this ComponentReader handles
68     **/
69    public String elementName() {
70      return currentName;
71    } // -- elementName
72  
73    /**
74     * Sets the name of the element that this CharacterUnmarshaller handles
75     * 
76     * @param name the name of the element that this character unmarshaller handles
77     **/
78    public void elementName(String name) {
79      currentName = name;
80    } // -- elementName
81  
82    /**
83     * Returns the Object created by this ComponentReader
84     * 
85     * @return the Object created by this ComponentReader
86     **/
87    public Object getObject() {
88      return getString();
89    } // -- getObject
90  
91    /**
92     * Returns the set of characters recieved by this CharacterUnmarshaller as a String
93     * 
94     * @return the set of characters recieved by this CharacterUnmarshaller as a String
95     **/
96    public String getString() {
97      return sb.toString();
98    } // -- getString
99  
100   /**
101    * The SAX characters method for recieving characters
102    * 
103    * @see org.xml.sax.DocumentHandler
104    **/
105   public void characters(char[] ch, int start, int length) throws XMLException {
106     sb.append(ch, start, length);
107   } // -- characters
108 
109   /**
110    * Clears the current buffer
111    **/
112   public void clear() {
113     sb.setLength(0);
114   } // -- clear
115 
116 } // -- CharacterUnmarshaller