/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, 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 "Apache Cocoon" 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 (INCLU-
DING, 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 created by
Stefano Mazzocchi <stefano@apache.org>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.components.parser;
import org.apache.avalon.framework.activity.Disposable;
import org.apache.avalon.framework.component.ComponentException;
import org.apache.avalon.framework.component.ComponentManager;
import org.apache.avalon.framework.component.Composable;
import org.apache.cocoon.components.resolver.Resolver;
import org.apache.cocoon.xml.AbstractXMLProducer;
import org.apache.xerces.dom.DocumentImpl;
import org.apache.xerces.dom.DocumentTypeImpl;
import org.apache.xerces.parsers.DOMParser;
import org.apache.xerces.parsers.SAXParser;
import org.w3c.dom.Document;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import java.io.IOException;
/**
*
* @deprecated The Avalon XML Parser is now used inside Cocoon. This role
* will be removed in future releases.
* @author <a href="mailto:pier@apache.org">Pierpaolo Fumagalli</a>
* (Apache Software Foundation)
* @version CVS $Id: XercesParser.java,v 1.1 2003/03/09 00:06:57 pier Exp $
*/
public class XercesParser extends AbstractXMLProducer
implements Parser, ErrorHandler, Composable, Disposable {
/** the SAX Parser */
final SAXParser parser;
/** the component manager */
protected ComponentManager manager;
/** the Entity Resolver */
protected Resolver resolver = null;
public XercesParser ()
throws SAXException {
this.parser = new SAXParser();
this.parser.setFeature("http://xml.org/sax/features/validation", false);
this.parser.setFeature("http://xml.org/sax/features/namespaces", true);
}
/**
* Get the Entity Resolver from the component manager
*/
public void compose(ComponentManager manager) throws ComponentException {
this.manager = manager;
if (getLogger().isDebugEnabled()) {
getLogger().debug("Looking up " + Resolver.ROLE);
}
if ( manager.hasComponent( Resolver.ROLE ) ) {
this.resolver = (Resolver)manager.lookup(Resolver.ROLE);
}
}
/**
* Dispose
*/
public void dispose() {
if (this.manager != null) {
this.manager.release( this.resolver );
}
}
public void parse(InputSource in)
throws SAXException, IOException {
this.parser.setProperty("http://xml.org/sax/properties/lexical-handler",
super.lexicalHandler);
this.parser.setErrorHandler(this);
this.parser.setContentHandler(super.contentHandler);
if(this.resolver != null)
this.parser.setEntityResolver(this.resolver);
this.parser.parse(in);
}
/**
* Create a new Document object.
*/
public Document newDocument() {
return(newDocument(null,null,null));
}
/**
* Create a new Document object with a specified DOCTYPE.
*/
public Document newDocument(String name) {
return(newDocument(name,null,null));
}
/**
* Create a new Document object with a specified DOCTYPE, public ID and
* system ID.
*/
public Document newDocument(String name, String pub, String sys) {
DocumentImpl doc=new DocumentImpl();
if ((pub!=null)||(sys!=null)) {
DocumentTypeImpl dtd=new DocumentTypeImpl(doc,name,pub,sys);
doc.appendChild(dtd);
} else if (name!=null) {
DocumentTypeImpl dtd=new DocumentTypeImpl(doc,name);
doc.appendChild(dtd);
}
return(doc);
}
/**
* Parses a new Document object from the given InputSource.
*/
public Document parseDocument(InputSource input) throws SAXException, IOException {
DOMParser parser = null;
try {
parser = new DOMParser();
parser.setFeature("http://xml.org/sax/features/validation",false);
parser.setFeature("http://xml.org/sax/features/namespaces",true);
parser.parse(input);
} catch (Exception pce) {
getLogger().error("Could not build DocumentBuilder", pce);
return null;
}
return parser.getDocument();
}
/**
* Receive notification of a recoverable error.
*/
public void error(SAXParseException e)
throws SAXException {
throw new SAXException("Error parsing "+e.getSystemId()+" (line "+
e.getLineNumber()+" col. "+e.getColumnNumber()+
"): "+e.getMessage(),e);
}
/**
* Receive notification of a fatal error.
*/
public void fatalError(SAXParseException e)
throws SAXException {
throw new SAXException("Fatal error parsing "+e.getSystemId()+" (line "+
e.getLineNumber()+" col. "+e.getColumnNumber()+
"): "+e.getMessage(),e);
}
/**
* Receive notification of a warning.
*/
public void warning(SAXParseException e)
throws SAXException {
throw new SAXException("Warning parsing "+e.getSystemId()+" (line "+
e.getLineNumber()+" col. "+e.getColumnNumber()+
"): "+e.getMessage(),e);
}
}