Commons Digester example source code file (ParserFeatureSetterFactory.java)

This example Commons Digester source code file (ParserFeatureSetterFactory.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Digester tags/keywords

deprecated, deprecated, exception, parser, parserconfigurationexception, parserfeaturesetterfactory, sax, saxexception, saxexception, saxnotrecognizedexception, saxnotsupportedexception, saxnotsupportedexception, saxparser, saxparser, saxparserfactory, util, xml

The Commons Digester ParserFeatureSetterFactory.java source code

/* $Id: ParserFeatureSetterFactory.java 992075 2010-09-02 19:43:25Z simonetripodi $
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.commons.digester;

import java.util.Properties;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.apache.commons.digester.parser.GenericParser;
import org.apache.commons.digester.parser.XercesParser;

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

/**
 * Creates a <code>SAXParser based on the underlying parser.
 * Allows logical properties depending on logical parser versions
 * to be set.
 *
 * @since 1.6
 * @deprecated Create an XMLParser instance yourself, configure validation
 *             appropriately, and pass it as a parameter to the
 *             {@link Digester} constructor, or use
 *             {@link Digester#setXMLSchema(javax.xml.validation.Schema)} for validation.
 */
@Deprecated
public class ParserFeatureSetterFactory {

    /**
     * <code>true is Xerces is used.
     */
    private static boolean isXercesUsed; 

    static {
        try{
            // Use reflection to avoid a build dependency with Xerces.
            //
            // Note that this does not detect Sun's repackaging of 
            // Xerces as com.sun.org.apache.xerces; perhaps it should?
            SAXParserFactory factory = SAXParserFactory.newInstance();
            if (factory.getClass().getName().startsWith("org.apache.xerces")) {
                isXercesUsed = true;
            }
        } catch (Exception ex) {
            isXercesUsed = false;
        }
    }

    /**
     * Create a new <code>SAXParser
     * @param properties (logical) properties to be set on parser
     * @return a <code>SAXParser configured based on the underlying
     * parser implementation.
     */
    public static SAXParser newSAXParser(Properties properties)
            throws ParserConfigurationException, 
                   SAXException,
                   SAXNotRecognizedException, 
                   SAXNotSupportedException {

        if (isXercesUsed){
            return XercesParser.newSAXParser(properties);
        } else {
            return GenericParser.newSAXParser(properties);
        }
    }

}