/*
 * XMLParserFactory.java NanoXML/Java $Revision: 1.3 $ $Date: 2002/01/04
 * 21:03:29 $ $Name: RELEASE_2_2_1 $ This file is part of NanoXML 2 for Java.
 * Copyright (C) 2000-2002 Marc De Scheemaecker, All Rights Reserved. This
 * software is provided 'as-is', without any express or implied warranty. In no
 * event will the authors be held liable for any damages arising from the use of
 * this software. Permission is granted to anyone to use this software for any
 * purpose, including commercial applications, and to alter it and redistribute
 * it freely, subject to the following restrictions: 1. The origin of this
 * software must not be misrepresented; you must not claim that you wrote the
 * original software. If you use this software in a product, an acknowledgment
 * in the product documentation would be appreciated but is not required. 2.
 * Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software. 3. This notice may not be
 * removed or altered from any source distribution.
 */
package org.freeplane.n3.nanoxml;

/**
 * Creates an XML parser.
 * 
 * @author Marc De Scheemaecker
 * @version $Name: RELEASE_2_2_1 $, $Revision: 1.3 $
 */
public class XMLParserFactory {
	/**
	 * The Java properties key of the XML parser class name.
	 */
	public static final String CLASS_KEY = "org.freeplane.io.xml.n3.nanoxml.XMLParser";
	/**
	 * The class name of the default XML parser.
	 */
	public static final String DEFAULT_CLASS = "org.freeplane.io.xml.n3.nanoxml.StdXMLParser";

	/**
	 * Creates a default parser.
	 * 
	 * @see #DEFAULT_CLASS
	 * @see #CLASS_KEY
	 * @return the non-null parser.
	 * @throws java.lang.ClassNotFoundException
	 *             if the class of the parser or validator could not be found.
	 * @throws java.lang.InstantiationException
	 *             if the parser could not be created
	 * @throws java.lang.IllegalAccessException
	 *             if the parser could not be created
	 */
	public static IXMLParser createDefaultXMLParser() {
		try {
			return XMLParserFactory.createXMLParser(StdXMLParser.class.getName(), new StdXMLBuilder());
		}
		catch (final ClassNotFoundException e) {
			e.printStackTrace();
		}
		catch (final InstantiationException e) {
			e.printStackTrace();
		}
		catch (final IllegalAccessException e) {
			e.printStackTrace();
		}
		return null;
	}

	/**
	 * Creates a default parser.
	 * 
	 * @see #DEFAULT_CLASS
	 * @see #CLASS_KEY
	 * @param builder
	 *            the XML builder.
	 * @return the non-null parser.
	 * @throws java.lang.ClassNotFoundException
	 *             if the class of the parser could not be found.
	 * @throws java.lang.InstantiationException
	 *             if the parser could not be created
	 * @throws java.lang.IllegalAccessException
	 *             if the parser could not be created
	 */
	public static IXMLParser createDefaultXMLParser(final IXMLBuilder builder) throws ClassNotFoundException,
	        InstantiationException, IllegalAccessException {
		final String className = System.getProperty(XMLParserFactory.CLASS_KEY, XMLParserFactory.DEFAULT_CLASS);
		return XMLParserFactory.createXMLParser(className, builder);
	}

	/**
	 * Creates a parser.
	 * 
	 * @param className
	 *            the name of the class of the XML parser
	 * @param builder
	 *            the XML builder.
	 * @return the non-null parser.
	 * @throws java.lang.ClassNotFoundException
	 *             if the class of the parser could not be found.
	 * @throws java.lang.InstantiationException
	 *             if the parser could not be created
	 * @throws java.lang.IllegalAccessException
	 *             if the parser could not be created
	 */
	public static IXMLParser createXMLParser(final String className, final IXMLBuilder builder)
	        throws ClassNotFoundException, InstantiationException, IllegalAccessException {
		final Class<?> cls = Class.forName(className);
		final IXMLParser parser = (IXMLParser) cls.newInstance();
		parser.setBuilder(builder);
		parser.setValidator(new NonValidator());
		return parser;
	}
}