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Java > Open Source Codes > org > jboss > util > propertyeditor > DocumentEditor


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.util.propertyeditor;
23
24 import java.beans.PropertyEditorSupport JavaDoc;
25 import java.io.IOException JavaDoc;
26 import java.io.StringReader JavaDoc;
27
28 import javax.xml.parsers.DocumentBuilder JavaDoc;
29 import javax.xml.parsers.DocumentBuilderFactory JavaDoc;
30 import javax.xml.parsers.ParserConfigurationException JavaDoc;
31
32 import org.jboss.util.NestedRuntimeException;
33 import org.jboss.util.xml.DOMWriter;
34 import org.w3c.dom.Document JavaDoc;
35 import org.w3c.dom.Node JavaDoc;
36 import org.xml.sax.InputSource JavaDoc;
37 import org.xml.sax.SAXException JavaDoc;
38
39 /**
40  * A property editor for {@link org.w3c.dom.Document}.
41  *
42  * @version <tt>$Revision: 1958 $</tt>
43  * @author <a HREF="mailto:eross@noderunner.net">Elias Ross</a>
44  */
45 public class DocumentEditor extends PropertyEditorSupport JavaDoc
46 {
47    /**
48     * Returns the property as a String.
49     *
50     * @throws NestedRuntimeException conversion exception occured
51     */
52    public String JavaDoc getAsText()
53    {
54       return DOMWriter.printNode((Node JavaDoc)getValue(), false);
55    }
56
57    /**
58     * Sets as an Document created by a String.
59     *
60     * @throws NestedRuntimeException A parse exception occured
61     */
62    public void setAsText(String JavaDoc text)
63    {
64       setValue(getAsDocument(text));
65    }
66
67    protected Document JavaDoc getAsDocument(String JavaDoc text)
68    {
69       try
70       {
71          DocumentBuilderFactory JavaDoc dbf = DocumentBuilderFactory.newInstance();
72          DocumentBuilder JavaDoc db = dbf.newDocumentBuilder();
73          StringReader JavaDoc sr = new StringReader JavaDoc(text);
74          InputSource JavaDoc is = new InputSource JavaDoc(sr);
75          Document JavaDoc d = db.parse(is);
76          return d;
77       }
78       catch (ParserConfigurationException JavaDoc e)
79       {
80          throw new NestedRuntimeException(e);
81       }
82       catch (SAXException JavaDoc e)
83       {
84          throw new NestedRuntimeException(e);
85       }
86       catch (IOException JavaDoc e)
87       {
88          throw new NestedRuntimeException(e);
89       }
90    }
91 }
92
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