- /*
- * $Id: SAXParserImpl.java,v 1.8 2001/11/06 23:48:41 edwingo Exp $
- *
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 2000 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Crimson" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 1999, Sun Microsystems, Inc.,
- * http://www.sun.com. For more information on the Apache Software
- * Foundation, please see <http://www.apache.org/>.
- */
-
- package org.apache.crimson.jaxp;
-
- import javax.xml.parsers.SAXParser;
- import javax.xml.parsers.SAXParserFactory;
- import javax.xml.parsers.ParserConfigurationException;
-
- import org.xml.sax.SAXException;
- import org.xml.sax.SAXParseException;
- import org.xml.sax.HandlerBase;
- import org.xml.sax.Parser;
- import org.xml.sax.XMLReader;
- import org.xml.sax.helpers.XMLReaderAdapter;
- import org.xml.sax.helpers.DefaultHandler;
- import org.xml.sax.SAXNotRecognizedException;
- import org.xml.sax.SAXNotSupportedException;
-
- import java.util.*;
-
- /**
- * @author Rajiv Mordani
- * @author Edwin Goei
- * @version $Revision: 1.8 $
- */
-
- /**
- * This is the implementation specific class for the
- * <code>javax.xml.parsers.SAXParser</code>.
- */
- public class SAXParserImpl extends SAXParser {
- private XMLReader xmlReader;
- private Parser parser = null;
-
- private boolean validating = false;
- private boolean namespaceAware = false;
-
- /**
- * Create a SAX parser with the associated features
- * @param features Hashtable of SAX features, may be null
- */
- SAXParserImpl(SAXParserFactory spf, Hashtable features)
- throws SAXException
- {
- // Instantiate an XMLReader directly and not through SAX so that we
- // use the right ClassLoader
- xmlReader = new org.apache.crimson.parser.XMLReaderImpl();
-
- // Validation
- validating = spf.isValidating();
- String validation = "http://xml.org/sax/features/validation";
-
- // If validating, provide a default ErrorHandler that prints
- // validation errors with a warning telling the user to set an
- // ErrorHandler. Note: this does not handle all cases.
- if (validating) {
- xmlReader.setErrorHandler(new DefaultValidationErrorHandler());
- }
-
- // Allow SAX parser to use a different ErrorHandler if it wants to
- xmlReader.setFeature(validation, validating);
-
- // "namespaceAware" == SAX Namespaces feature
- // Note: there is a compatibility problem here with default values:
- // JAXP default is false while SAX 2 default is true!
- namespaceAware = spf.isNamespaceAware();
- String namespaces = "http://xml.org/sax/features/namespaces";
- xmlReader.setFeature(namespaces, namespaceAware);
-
- // SAX "namespaces" and "namespace-prefixes" features must not both
- // be false as specified by SAX
- if (namespaceAware == false) {
- String prefixes = "http://xml.org/sax/features/namespace-prefixes";
- xmlReader.setFeature(prefixes, true);
- }
-
- setFeatures(features);
- }
-
- /**
- * Set any features of our XMLReader based on any features set on the
- * SAXParserFactory.
- *
- * XXX Does not handle possible conflicts between SAX feature names and
- * JAXP specific feature names, eg. SAXParserFactory.isValidating()
- */
- private void setFeatures(Hashtable features)
- throws SAXNotSupportedException, SAXNotRecognizedException
- {
- if (features != null) {
- for (Enumeration e = features.keys(); e.hasMoreElements();) {
- String feature = (String)e.nextElement();
- boolean value = ((Boolean)features.get(feature)).booleanValue();
- xmlReader.setFeature(feature, value);
- }
- }
- }
-
- public Parser getParser() throws SAXException {
- if (parser == null) {
- // Adapt a SAX2 XMLReader into a SAX1 Parser
- parser = new XMLReaderAdapter(xmlReader);
-
- // Set a DocumentHandler that does nothing to avoid getting
- // exceptions if no DocumentHandler is set by the app
- parser.setDocumentHandler(new HandlerBase());
- }
- return parser;
- }
-
- /**
- * Returns the XMLReader that is encapsulated by the implementation of
- * this class.
- */
- public XMLReader getXMLReader() {
- return xmlReader;
- }
-
- public boolean isNamespaceAware() {
- return namespaceAware;
- }
-
- public boolean isValidating() {
- return validating;
- }
-
- /**
- * Sets the particular property in the underlying implementation of
- * org.xml.sax.XMLReader.
- */
- public void setProperty(String name, Object value)
- throws SAXNotRecognizedException, SAXNotSupportedException
- {
- xmlReader.setProperty(name, value);
- }
-
- /**
- * returns the particular property requested for in the underlying
- * implementation of org.xml.sax.XMLReader.
- */
- public Object getProperty(String name)
- throws SAXNotRecognizedException, SAXNotSupportedException
- {
- return xmlReader.getProperty(name);
- }
- }