1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.xslcontent.util;
21  
22  import com.liferay.portal.kernel.util.ByteArrayMaker;
23  import com.liferay.portal.kernel.util.HttpUtil;
24  
25  import java.io.IOException;
26  import java.io.StringReader;
27  
28  import java.net.URL;
29  
30  import javax.xml.transform.Transformer;
31  import javax.xml.transform.TransformerException;
32  import javax.xml.transform.TransformerFactory;
33  import javax.xml.transform.stream.StreamResult;
34  import javax.xml.transform.stream.StreamSource;
35  
36  /**
37   * <a href="XSLContentUtil.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public class XSLContentUtil {
43  
44      public static String DEFAULT_XML_URL =
45          "@portal_url@/html/portlet/xsl_content/example.xml";
46  
47      public static String DEFAULT_XSL_URL =
48          "@portal_url@/html/portlet/xsl_content/example.xsl";
49  
50      public static String transform(URL xmlURL, URL xslURL)
51          throws IOException, TransformerException {
52  
53          String xml = HttpUtil.URLtoString(xmlURL);
54          String xsl = HttpUtil.URLtoString(xslURL);
55  
56          StreamSource xmlSource = new StreamSource(new StringReader(xml));
57          StreamSource xslSource = new StreamSource(new StringReader(xsl));
58  
59          TransformerFactory transformerFactory =
60              TransformerFactory.newInstance();
61  
62          Transformer transformer =
63              transformerFactory.newTransformer(xslSource);
64  
65          ByteArrayMaker bam = new ByteArrayMaker();
66  
67          transformer.transform(xmlSource, new StreamResult(bam));
68  
69          return bam.toString();
70      }
71  
72  }