org.apache.tomcat.util.digester.GenericParser Maven / Gradle / Ivy
/*
* 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.tomcat.util.digester;
import java.util.Properties;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
/**
* Create a SAXParser configured to support XML Schema and DTD.
*
* @since 1.6
*/
public class GenericParser{
/**
* The Log to which all SAX event related logging calls will be made.
*/
private static final Log log =
LogFactory.getLog("org.apache.tomcat.util.digester.Digester.sax");
/**
* The JAXP 1.2 property required to set up the schema location.
*/
private static final String JAXP_SCHEMA_SOURCE =
"http://java.sun.com/xml/jaxp/properties/schemaSource";
/**
* The JAXP 1.2 property to set up the schemaLanguage used.
*/
protected static String JAXP_SCHEMA_LANGUAGE =
"http://java.sun.com/xml/jaxp/properties/schemaLanguage";
/**
* Create a SAXParser configured to support XML Schema and DTD
* @param properties parser specific properties/features
* @return an XML Schema/DTD enabled SAXParser
*/
public static SAXParser newSAXParser(Properties properties)
throws ParserConfigurationException,
SAXException,
SAXNotRecognizedException{
SAXParserFactory factory =
(SAXParserFactory)properties.get("SAXParserFactory");
SAXParser parser = factory.newSAXParser();
String schemaLocation = (String)properties.get("schemaLocation");
String schemaLanguage = (String)properties.get("schemaLanguage");
try{
if (schemaLocation != null) {
parser.setProperty(JAXP_SCHEMA_LANGUAGE, schemaLanguage);
parser.setProperty(JAXP_SCHEMA_SOURCE, schemaLocation);
}
} catch (SAXNotRecognizedException e){
log.info(parser.getClass().getName() + ": "
+ e.getMessage() + " not supported.");
}
return parser;
}
}