JAXB API Source Code

Java Architecture for XML Binding (JAXB) is a Java API that allows Java developers to map Java classes to XML representations.

jaxb-api-2.3.1.jar is the JAR file for the JAXB API 2.3 specification. You can download and use it directly without any building process as shown in the last tutorial.

If you want to rebuild the JAR file, you can download the source code at JAXB API Maven Website.

You can also browse the source code below:

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 * Copyright (c) 2003-2017 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://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or 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 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
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 * holder.

package javax.xml.bind.util;

import javax.xml.bind.ValidationEvent;
import javax.xml.bind.ValidationEventHandler;
import java.util.ArrayList;
import java.util.List;

 * {@link javax.xml.bind.ValidationEventHandler ValidationEventHandler} 
 * implementation that collects all events.
 * <p>
 * To use this class, create a new instance and pass it to the setEventHandler
 * method of the Validator, Unmarshaller, Marshaller class.  After the call to 
 * validate or unmarshal completes, call the getEvents method to retrieve all 
 * the reported errors and warnings.
 * @author <ul><li>Kohsuke Kawaguchi, Sun Microsystems, Inc.</li><li>Ryan Shoemaker, Sun Microsystems, Inc.</li><li>Joe Fialli, Sun Microsystems, Inc.</li></ul> 
 * @see javax.xml.bind.Validator
 * @see javax.xml.bind.ValidationEventHandler
 * @see javax.xml.bind.ValidationEvent
 * @see javax.xml.bind.ValidationEventLocator
 * @since 1.6, JAXB 1.0
public class ValidationEventCollector implements ValidationEventHandler
    private final List<ValidationEvent> events = new ArrayList<ValidationEvent>();
     * Return an array of ValidationEvent objects containing a copy of each of 
     * the collected errors and warnings.
     * @return
     *      a copy of all the collected errors and warnings or an empty array
     *      if there weren't any
    public ValidationEvent[] getEvents() {
        return events.toArray(new ValidationEvent[events.size()]);
     * Clear all collected errors and warnings.
    public void reset() {
     * Returns true if this event collector contains at least one 
     * ValidationEvent.
     * @return true if this event collector contains at least one 
     *         ValidationEvent, false otherwise
    public boolean hasEvents() {
        return !events.isEmpty();
    public boolean handleEvent( ValidationEvent event ) {        

        boolean retVal = true;
        switch( event.getSeverity() ) {
            case ValidationEvent.WARNING:
                retVal = true; // continue validation
            case ValidationEvent.ERROR:
                retVal = true; // continue validation
            case ValidationEvent.FATAL_ERROR:
                retVal = false; // halt validation
                _assert( false, 
                         Messages.format( Messages.UNRECOGNIZED_SEVERITY,
                                 event.getSeverity() ) );
        return retVal;

    private static void _assert( boolean b, String msg ) {
        if( !b ) {
            throw new InternalError( msg );



Or download all of them as a single archive file:

File name: jaxb-api-2.3.1-sources.jar
File size: 271123 bytes
Release date: 2018-10-10


Download JAXB 2.2 Specification and API JAR

Download JAXB 2.3 Specification and API JAR

JAXB (Java Architecture for XML Binding) API Specification

⇑⇑ FAQ for jaxb-*.jar - Java Architecture for XML Binding

2018-06-06, 27964👍, 0💬