/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.commons.xml;
import java.io.IOException;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.gatein.common.logging.Logger;
import org.gatein.common.logging.LoggerFactory;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
* @deprecated this class checks only if a document is well formed, but does not validate against XML schema (see GTNPORTAL-3501).
*/
public class XMLValidator {
/** . */
private final String[] schemas;
/** . */
private final ResourceEntityResolver resolver;
/** . */
private final Logger log = LoggerFactory.getLogger(XMLValidator.class);
public XMLValidator(Class clazz, String systemId, String resourcePath) {
schemas = new String[] { systemId };
resolver = new ResourceEntityResolver(clazz, systemId, resourcePath);
}
public XMLValidator(Class clazz, Map<String, String> systemIdToResourcePath) {
schemas = systemIdToResourcePath.keySet().toArray(new String[0]);
resolver = new ResourceEntityResolver(clazz, systemIdToResourcePath);
}
/**
* Parse and validate the specified resource.
*
* @param source the source to validate
* @return the document when it is valid or null
* @throws java.io.IOException any IOException thrown by using the provided URL
* @throws NullPointerException if the provided URL is null
* @deprecated this class checks only if a document is well formed, but does not validate against XML schema (see GTNPORTAL-3501).
*/
public Document validate(DocumentSource source) throws NullPointerException, IOException {
if (source == null) {
throw new NullPointerException();
}
//
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setAttribute("http://java.sun.com/xml/jaxp/properties/schemaLanguage", "http://www.w3.org/2001/XMLSchema");
factory.setAttribute("http://java.sun.com/xml/jaxp/properties/schemaSource", schemas);
factory.setNamespaceAware(true);
factory.setValidating(true);
//
try {
DocumentBuilder builder = factory.newDocumentBuilder();
ValidationReporter reporter = new ValidationReporter(log, source.getIdentifier());
builder.setErrorHandler(reporter);
builder.setEntityResolver(resolver);
return builder.parse(source.getStream());
} catch (ParserConfigurationException e) {
log.error("Got a parser configuration exception when doing XSD validation");
return null;
} catch (SAXException e) {
log.error("Got a sax exception when doing XSD validation");
return null;
}
}
}