/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.xml.transform.impl.trax;
import org.exoplatform.services.xml.resolving.XMLResolvingService;
import org.exoplatform.services.xml.transform.NotSupportedIOTypeException;
import org.exoplatform.services.xml.transform.trax.TRAXTemplates;
import org.exoplatform.services.xml.transform.trax.TRAXTransformer;
import org.exoplatform.services.xml.transform.trax.TRAXTransformerService;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import java.io.IOException;
import javax.xml.transform.Source;
import javax.xml.transform.Templates;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TemplatesHandler;
/**
* Created by The eXo Platform SAS .
*
* @author <a href="mailto:geaz@users.sourceforge.net">Gennady Azarenkov</a>
* @author <a href="mailto:alex.kravchuk@gmail.com">Alexander Kravchuk</a>
* @version $Id: TRAXTransformerServiceImpl.java 5799 2006-05-28 17:55:42Z geaz
* $
*/
public class TRAXTransformerServiceImpl implements TRAXTransformerService
{
private XMLResolvingService resolvingService;
public TRAXTransformerServiceImpl(XMLResolvingService resolvingService)
{
this.resolvingService = resolvingService;
}
public TRAXTransformer getTransformer() throws TransformerConfigurationException
{
TRAXTransformerImpl transf = new TRAXTransformerImpl();
transf.setResolvingService(resolvingService);
return transf;
}
public TRAXTransformer getTransformer(Source source) throws TransformerConfigurationException
{
TRAXTransformerImpl transf = new TRAXTransformerImpl(source);
transf.setResolvingService(resolvingService);
return transf;
}
public TRAXTemplates getTemplates(Source source) throws TransformerException, NotSupportedIOTypeException
{
TRAXTemplatesImpl templates = new TRAXTemplatesImpl(getXSLTemplates(source));
templates.setResolvingService(resolvingService);
return templates;
}
private Templates getXSLTemplates(Source source) throws TransformerException, NotSupportedIOTypeException
{
SAXTransformerFactory saxTFactory = (SAXTransformerFactory)SAXTransformerFactory.newInstance();
TemplatesHandler templateHandler = saxTFactory.newTemplatesHandler();
XMLReader xmlReader;
try
{
// xmlReader = XMLReaderFactory.
// createXMLReader("org.apache.xerces.parsers.SAXParser");
xmlReader = TRAXTransformerImpl.getXMLReader();
// set default resolver
if (resolvingService != null)
{
xmlReader.setEntityResolver(resolvingService.getEntityResolver());
}
}
catch (SAXException ex)
{
throw new TransformerException(ex);
}
xmlReader.setContentHandler(templateHandler);
InputSource inputSource = SAXSource.sourceToInputSource(source);
if (inputSource == null)
{
throw new NotSupportedIOTypeException(source);
}
try
{
xmlReader.parse(inputSource);
}
catch (SAXException ex)
{
throw new TransformerException(ex);
}
catch (IOException ex)
{
throw new TransformerException(ex);
}
return templateHandler.getTemplates();
}
}