1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.xslcontent.util;
24  
25  import com.liferay.portal.kernel.util.ByteArrayMaker;
26  import com.liferay.portal.kernel.util.HttpUtil;
27  
28  import java.io.IOException;
29  import java.io.StringReader;
30  
31  import java.net.URL;
32  
33  import javax.xml.transform.Transformer;
34  import javax.xml.transform.TransformerException;
35  import javax.xml.transform.TransformerFactory;
36  import javax.xml.transform.stream.StreamResult;
37  import javax.xml.transform.stream.StreamSource;
38  
39  /**
40   * <a href="XSLContentUtil.java.html"><b><i>View Source</i></b></a>
41   *
42   * @author Brian Wing Shun Chan
43   *
44   */
45  public class XSLContentUtil {
46  
47      public static String DEFAULT_XML_URL =
48          "@portal_url@/html/portlet/xsl_content/example.xml";
49  
50      public static String DEFAULT_XSL_URL =
51          "@portal_url@/html/portlet/xsl_content/example.xsl";
52  
53      public static String transform(URL xmlURL, URL xslURL)
54          throws IOException, TransformerException {
55  
56          String xml = HttpUtil.URLtoString(xmlURL);
57          String xsl = HttpUtil.URLtoString(xslURL);
58  
59          StreamSource xmlSource = new StreamSource(new StringReader(xml));
60          StreamSource xslSource = new StreamSource(new StringReader(xsl));
61  
62          TransformerFactory transformerFactory =
63              TransformerFactory.newInstance();
64  
65          Transformer transformer =
66              transformerFactory.newTransformer(xslSource);
67  
68          ByteArrayMaker bam = new ByteArrayMaker();
69  
70          transformer.transform(xmlSource, new StreamResult(bam));
71  
72          return bam.toString();
73      }
74  
75  }