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Java > Open Source Codes > org > dbforms > devgui > XSLTransformer


1 /*
2  * $Header: /cvsroot/jdbforms/dbforms/src/org/dbforms/devgui/XSLTransformer.java,v 1.11 2004/08/18 12:25:57 hkollmann Exp $
3  * $Revision: 1.11 $
4  * $Date: 2004/08/18 12:25:57 $
5  *
6  * DbForms - a Rapid Application Development Framework
7  * Copyright (C) 2001 Joachim Peer <joepeer@excite.com>
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  */
23
24 package org.dbforms.devgui;
25
26 import org.dbforms.util.Util;
27
28 import java.io.File JavaDoc;
29 import java.io.FileNotFoundException JavaDoc;
30
31 // Imported java classes
32 import java.io.FileOutputStream JavaDoc;
33 import java.io.IOException JavaDoc;
34
35 import javax.xml.transform.OutputKeys JavaDoc;
36 import javax.xml.transform.Transformer JavaDoc;
37 import javax.xml.transform.TransformerConfigurationException JavaDoc;
38 import javax.xml.transform.TransformerException JavaDoc;
39
40 // Imported TraX classes
41 import javax.xml.transform.TransformerFactory JavaDoc;
42 import javax.xml.transform.stream.StreamResult JavaDoc;
43 import javax.xml.transform.stream.StreamSource JavaDoc;
44
45
46
47 /**
48  * Simple sample code to show how to run the XSL processor from the API.
49  */
50 public class XSLTransformer {
51    /**
52     * DOCUMENT ME!
53     *
54     * @param xmlFile DOCUMENT ME!
55     * @param xslFile DOCUMENT ME!
56     * @param destinationFile DOCUMENT ME!
57     * @param useJsCalendar DOCUMENT ME!
58     * @param xsltEncoding DOCUMENT ME!
59     *
60     * @throws TransformerException DOCUMENT ME!
61     * @throws TransformerConfigurationException DOCUMENT ME!
62     * @throws FileNotFoundException DOCUMENT ME!
63     * @throws IOException DOCUMENT ME!
64     */
65    public static void transform(File JavaDoc xmlFile,
66                                 File JavaDoc xslFile,
67                                 File JavaDoc destinationFile,
68                                 boolean useJsCalendar,
69                                 String JavaDoc xsltEncoding)
70                          throws TransformerException JavaDoc,
71                                 TransformerConfigurationException JavaDoc,
72                                 FileNotFoundException JavaDoc, IOException JavaDoc {
73       // Use the static TransformerFactory.newInstance() method to instantiate
74 // a TransformerFactory. The javax.xml.transform.TransformerFactory
75 // system property setting determines the actual class to instantiate --
76 // org.apache.xalan.transformer.TransformerImpl.
77 TransformerFactory JavaDoc tFactory = TransformerFactory.newInstance();
78
79       // Use the TransformerFactory to instantiate a Transformer that will work with
80 // the stylesheet you specify. This method call also processes the stylesheet
81 // into a compiled Templates object.
82 Transformer JavaDoc transformer = tFactory.newTransformer(new StreamSource JavaDoc(xslFile));
83
84       // Setting the XSLT encoding configured in the XSL Transformation Panel
85 if (!Util.isNull(xsltEncoding)) {
86          transformer.setOutputProperty(OutputKeys.ENCODING, xsltEncoding);
87       }
88
89       // If user has checked checkbox to use JavaScript Calendar for editing of
90 // date fields, we have to pass a corresponding parameter to transformer
91 if (useJsCalendar) {
92          transformer.setParameter("useCalendar", "true");
93       }
94
95       // Use the Transformer to apply the associated Templates object to an XML document
96 // (foo.xml) and write the output to a file (foo.out).
97 transformer.transform(new StreamSource JavaDoc(xmlFile),
98                             new StreamResult JavaDoc(new FileOutputStream JavaDoc(destinationFile)));
99    }
100 }
101
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