/*
* Copyright (C) 2004 TiongHiang Lee
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Email: thlee@onemindsoft.org
*/
package org.onemind.jxp;
import java.io.*;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.onemind.commons.java.xml.digest.SaxDigesterHandler;
import org.onemind.jxp.config.JxpConfigDigester;
import org.xml.sax.SAXException;
/**
* The JxpPageSource factory
* @author TiongHiang Lee (thlee@onemindsoft.org)
*
*/
public final class JxpFactory
{
/** the parser * */
private static SAXParser _parser;
/**
* Constructor
*/
private JxpFactory()
{
}
/**
* set up
* @return the parser
* @throws Exception if there's problem
*/
private static SAXParser getParser() throws Exception
{
if (_parser == null)
{
SAXParserFactory factory = SAXParserFactory.newInstance();
_parser = factory.newSAXParser();
}
return _parser;
}
/**
* Get the page source from the config
* @param configFile the config
* @return the config
* @throws IOException if there's IO problem
* @throws SAXException if there's parsing exception
* @throws Exception if there's other problem
*/
public static JxpPageSource getPageSource(String configFile) throws SAXException, IOException, Exception
{
// PageSourceDigesterElement config = new PageSourceDigesterElement();
// SaxDigesterHandler handler = new SaxDigesterHandler();
// handler.addDigester(config);
// getParser().parse(new File(configFile), handler);
// return config.getPageSource();
return null;
}
/**
* Get the processor from the config
* @param configFile the config
* @return the processor
* @throws IOException if there's IO problem
* @throws SAXException if there's parsing problem
* @throws Exception if there's other problem
*/
public static JxpProcessor getProcessor(String configFile) throws SAXException, IOException, Exception
{
return getProcessor(new FileInputStream(configFile));
}
/**
* Get the processor from the config
* @param config the config input stream
* @return the processor
* @throws IOException if there's IO problem
* @throws SAXException if there's parsing problem
* @throws Exception if there's other problem
*/
public static JxpProcessor getProcessor(InputStream config) throws SAXException, IOException, Exception
{
SaxDigesterHandler handler = new SaxDigesterHandler();
SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
JxpConfigDigester dig = new JxpConfigDigester();
handler.addDigester(dig);
parser.parse(config, handler);
return dig.getProcessor();
}
}