jakarta.xml.bind.util.ValidationEventCollector Maven / Gradle / Ivy
/*
* Copyright (c) 2003, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package jakarta.xml.bind.util;
import jakarta.xml.bind.ValidationEvent;
import jakarta.xml.bind.ValidationEventHandler;
import java.util.ArrayList;
import java.util.List;
/**
* {@link jakarta.xml.bind.ValidationEventHandler ValidationEventHandler}
* implementation that collects all events.
*
*
* 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
- Kohsuke Kawaguchi, Sun Microsystems, Inc.
- Ryan Shoemaker, Sun Microsystems, Inc.
- Joe Fialli, Sun Microsystems, Inc.
* @see jakarta.xml.bind.Validator
* @see jakarta.xml.bind.ValidationEventHandler
* @see jakarta.xml.bind.ValidationEvent
* @see jakarta.xml.bind.ValidationEventLocator
* @since 1.6, JAXB 1.0
*/
public class ValidationEventCollector implements ValidationEventHandler
{
private final List events = new ArrayList();
/**
* 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() {
events.clear();
}
/**
* 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 ) {
events.add(event);
boolean retVal = true;
switch( event.getSeverity() ) {
case ValidationEvent.WARNING:
retVal = true; // continue validation
break;
case ValidationEvent.ERROR:
retVal = true; // continue validation
break;
case ValidationEvent.FATAL_ERROR:
retVal = false; // halt validation
break;
default:
_assert( false,
Messages.format( Messages.UNRECOGNIZED_SEVERITY,
event.getSeverity() ) );
break;
}
return retVal;
}
private static void _assert( boolean b, String msg ) {
if( !b ) {
throw new InternalError( msg );
}
}
}