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    
020    package org.apache.commons.digester.parser;
021    
022    import java.util.Properties;
023    
024    import javax.xml.parsers.ParserConfigurationException;
025    import javax.xml.parsers.SAXParser;
026    import javax.xml.parsers.SAXParserFactory;
027    
028    import org.apache.commons.logging.Log;
029    import org.apache.commons.logging.LogFactory;
030    import org.xml.sax.SAXException;
031    import 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
044    public 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    }