javax.xml.bind.helpers.DefaultValidationEventHandler Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2003-2013 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
* http://glassfish.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 javax.xml.bind.helpers;
import org.w3c.dom.Node;
import javax.xml.bind.ValidationEvent;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.bind.ValidationEventLocator;
import java.net.URL;
/**
*
* JAXB 1.0 only default validation event handler. This is the default
* handler for all objects created from a JAXBContext that is managing
* schema-derived code generated by a JAXB 1.0 binding compiler.
*
*
* This handler causes the unmarshal and validate operations to fail on the first
* error or fatal error.
*
*
* This handler is not the default handler for JAXB mapped classes following
* JAXB 2.0 or later versions. Default validation event handling has changed
* and is specified in {@link javax.xml.bind.Unmarshaller} and
* {@link javax.xml.bind.Marshaller}.
*
* @author
- Ryan Shoemaker, Sun Microsystems, Inc.
* @see javax.xml.bind.Unmarshaller
* @see javax.xml.bind.Validator
* @see javax.xml.bind.ValidationEventHandler
* @since 1.6, JAXB 1.0
*/
public class DefaultValidationEventHandler implements ValidationEventHandler {
public boolean handleEvent( ValidationEvent event ) {
if( event == null ) {
throw new IllegalArgumentException();
}
// calculate the severity prefix and return value
String severity = null;
boolean retVal = false;
switch ( event.getSeverity() ) {
case ValidationEvent.WARNING:
severity = Messages.format( Messages.WARNING );
retVal = true; // continue after warnings
break;
case ValidationEvent.ERROR:
severity = Messages.format( Messages.ERROR );
retVal = false; // terminate after errors
break;
case ValidationEvent.FATAL_ERROR:
severity = Messages.format( Messages.FATAL_ERROR );
retVal = false; // terminate after fatal errors
break;
default:
assert false :
Messages.format( Messages.UNRECOGNIZED_SEVERITY,
event.getSeverity() );
}
// calculate the location message
String location = getLocation( event );
System.out.println(
Messages.format( Messages.SEVERITY_MESSAGE,
severity,
event.getMessage(),
location ) );
// fail on the first error or fatal error
return retVal;
}
/**
* Calculate a location message for the event
*
*/
private String getLocation(ValidationEvent event) {
StringBuffer msg = new StringBuffer();
ValidationEventLocator locator = event.getLocator();
if( locator != null ) {
URL url = locator.getURL();
Object obj = locator.getObject();
Node node = locator.getNode();
int line = locator.getLineNumber();
if( url!=null || line!=-1 ) {
msg.append( "line " + line );
if( url!=null )
msg.append( " of " + url );
} else if( obj != null ) {
msg.append( " obj: " + obj.toString() );
} else if( node != null ) {
msg.append( " node: " + node.toString() );
}
} else {
msg.append( Messages.format( Messages.LOCATION_UNAVAILABLE ) );
}
return msg.toString();
}
}