/*
 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
/*
 * Copyright (C) 2004-2012
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.sun.xml.internal.rngom.xml.sax;

import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.XMLConstants;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.XMLReader;

/**
 * {@link XMLReaderCreator} that uses JAXP to create
 * {@link XMLReader}s.
 *
 * @author
 *      Kohsuke Kawaguchi (kk@kohsuke.org)
 */
public class JAXPXMLReaderCreator implements XMLReaderCreator {

    private final SAXParserFactory spf;

    public JAXPXMLReaderCreator( SAXParserFactory spf ) {
        this.spf = spf;
    }

    /**
     * Creates a {@link JAXPXMLReaderCreator} by using
     * {@link SAXParserFactory#newInstance()}.
     */
    public JAXPXMLReaderCreator() {
        spf = SAXParserFactory.newInstance();
        try {
            spf.setNamespaceAware(true);
            spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        } catch (ParserConfigurationException ex) {
            Logger.getLogger(JAXPXMLReaderCreator.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SAXNotRecognizedException ex) {
            Logger.getLogger(JAXPXMLReaderCreator.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SAXNotSupportedException ex) {
            Logger.getLogger(JAXPXMLReaderCreator.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * @see com.sun.xml.internal.rngom.xml.sax.XMLReaderCreator#createXMLReader()
     */
    public XMLReader createXMLReader() throws SAXException {
        try {
            return spf.newSAXParser().getXMLReader();
        } catch (ParserConfigurationException e) {
            throw new SAXException(e);
        }
    }

}