1 /*
   2  * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package test.astro;
  24 
  25 import static jaxp.library.JAXPTestUtilities.filenameToURL;
  26 import static test.astro.AstroConstants.DECXSL;
  27 import static test.astro.AstroConstants.RAXSL;
  28 import static test.astro.AstroConstants.STYPEXSL;
  29 
  30 import java.io.IOException;
  31 
  32 import javax.xml.parsers.DocumentBuilderFactory;
  33 import javax.xml.parsers.ParserConfigurationException;
  34 import javax.xml.transform.Source;
  35 import javax.xml.transform.dom.DOMSource;
  36 
  37 import org.w3c.dom.Document;
  38 import org.xml.sax.SAXException;
  39 
  40 /*
  41  * Implementation of the filter factory interface that utilizes DOM
  42  * sources rather than Stream or SAX sources. This factory utilizes a
  43  * DocumentBuilder to read in the stylesheets and create the DOM used
  44  * to create the filters for the query pipeline.
  45  *
  46  */
  47 public class DOMFilterFactoryImpl extends SourceFilterFactory {
  48     @Override
  49     protected Source getSource(String xslFileName) throws SAXException, ParserConfigurationException, IOException {
  50         Document document = getStylesheetDOM(xslFileName);
  51         return new DOMSource(document);
  52     }
  53 
  54 
  55     @Override
  56     protected String getRAXsl() {
  57         return RAXSL;
  58     }
  59 
  60     @Override
  61     protected String getDECXsl() {
  62         return DECXSL;
  63     }
  64 
  65     @Override
  66     protected String getRADECXsl() {
  67         return DECXSL;
  68     }
  69 
  70     @Override
  71     protected String getStellarXsl() {
  72         return STYPEXSL;
  73     }
  74     
  75     private Document getStylesheetDOM(String xslfilename) throws SAXException, IOException, ParserConfigurationException {
  76         DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
  77         dbf.setNamespaceAware(true);
  78         return dbf.newDocumentBuilder().parse(filenameToURL(xslfilename));
  79     }
  80 }