jaxb1.src.com.sun.xml.bind.validator.ValidatingUnmarshaller Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.xml.bind.validator;
import javax.xml.bind.JAXBException;
import javax.xml.bind.ValidationEvent;
import org.iso_relax.verifier.impl.ForkContentHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
import com.sun.msv.grammar.Grammar;
import com.sun.msv.verifier.Verifier;
import com.sun.msv.verifier.VerifierFilter;
import com.sun.msv.verifier.regexp.REDocumentDeclaration;
import com.sun.xml.bind.ErrorHandlerToEventHandler;
import com.sun.xml.bind.unmarshaller.SAXUnmarshallerHandler;
/**
* Filter implementation of SAXUnmarshallerHandler.
*
*
* This component internally uses a VerifierFilter to validate
* SAX events that goes through this component.
* Discovered error information is just passed down to the next component.
*
*
* This will enable the implementation to validate all sources of SAX events
* in the RI - XMLReader, DOMScanner
*
* SAX events will go the VerifierFilter and then to the SAXUnmarshaller...
*
* @since JAXB1.0
* @deprecated in JAXB1.0.1
*/
public class ValidatingUnmarshaller extends ForkContentHandler
implements SAXUnmarshallerHandler {
/**
* Creates a new instance of ValidatingUnmarshaller.
*/
public static ValidatingUnmarshaller create( Grammar grammar,
SAXUnmarshallerHandler _core,
Locator locator ) {
// create a VerifierFilter and configure it
// so that error messages will be sent to the core,
Verifier v = new Verifier(
new REDocumentDeclaration(grammar),
new ErrorHandlerToEventHandler(_core,locator) );
v.setPanicMode( true );
return new ValidatingUnmarshaller(
new VerifierFilter( v ), _core );
}
private ValidatingUnmarshaller( VerifierFilter filter,
SAXUnmarshallerHandler _core ) {
super( filter, _core );
this.core = _core;
}
// delegate to the next component
public Object getResult() throws JAXBException, IllegalStateException {
return core.getResult();
}
public boolean handleEvent(ValidationEvent event) {
// SAXUnmarshallerHandler already checks for RuntimeExceptions, so
// there is no need to wrap this call in a try/catch
return core.handleEvent(event);
}
private final SAXUnmarshallerHandler core;
private final AttributesImpl xsiLessAtts = new AttributesImpl();
public void startElement( String nsUri, String local, String qname, Attributes atts ) throws SAXException {
// create an attributes set for MSV that doesn't contains xsi:schemaLocation
xsiLessAtts.clear();
int len = atts.getLength();
for( int i=0; i