001/* $Id: GenericParser.java 992077 2010-09-02 19:45:22Z simonetripodi $
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements.  See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * the License.  You may obtain a copy of the License at
009 *
010 *      http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019
020package org.apache.commons.digester.parser;
021
022import java.util.Properties;
023
024import javax.xml.parsers.ParserConfigurationException;
025import javax.xml.parsers.SAXParser;
026import javax.xml.parsers.SAXParserFactory;
027
028import org.apache.commons.logging.Log;
029import org.apache.commons.logging.LogFactory;
030import org.xml.sax.SAXException;
031import org.xml.sax.SAXNotRecognizedException;
032
033/**
034 * Create a <code>SAXParser</code> configured to support XML Schema and DTD.
035 *
036 * @since 1.6
037 * @deprecated Create an XMLParser instance yourself, configure validation
038 *             appropriately, and pass it as a parameter to the
039 *             {@link org.apache.commons.digester.Digester} constructor, or use
040 *             {@link org.apache.commons.digester.Digester#setXMLSchema(javax.xml.validation.Schema)} for validation.
041 */
042
043@Deprecated
044public class GenericParser{
045
046    /**
047     * The Log to which all SAX event related logging calls will be made.
048     */
049    protected static Log log =
050        LogFactory.getLog("org.apache.commons.digester.Digester.sax");
051
052    /**
053     * The JAXP 1.2 property required to set up the schema location.
054     */
055    private static final String JAXP_SCHEMA_SOURCE =
056        "http://java.sun.com/xml/jaxp/properties/schemaSource";
057
058    /**
059     * The JAXP 1.2 property to set up the schemaLanguage used.
060     */
061    protected static String JAXP_SCHEMA_LANGUAGE =
062        "http://java.sun.com/xml/jaxp/properties/schemaLanguage";
063
064    /**
065     * Create a <code>SAXParser</code> configured to support XML Scheman and DTD
066     * @param properties parser specific properties/features
067     * @return an XML Schema/DTD enabled <code>SAXParser</code>
068     */
069    public static SAXParser newSAXParser(Properties properties)
070            throws ParserConfigurationException, 
071                   SAXException,
072                   SAXNotRecognizedException{ 
073
074        SAXParserFactory factory = 
075                        (SAXParserFactory)properties.get("SAXParserFactory");
076        SAXParser parser = factory.newSAXParser();
077        String schemaLocation = (String)properties.get("schemaLocation");
078        String schemaLanguage = (String)properties.get("schemaLanguage");
079
080        try{
081            if (schemaLocation != null) {
082                parser.setProperty(JAXP_SCHEMA_LANGUAGE, schemaLanguage);
083                parser.setProperty(JAXP_SCHEMA_SOURCE, schemaLocation);
084            }
085        } catch (SAXNotRecognizedException e){
086            log.info(parser.getClass().getName() + ": "  
087                                        + e.getMessage() + " not supported."); 
088        }
089        return parser;
090    }
091
092}