| /* |
| * Copyright (c) 2003, 2021 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.helpers; |
| |
| import org.w3c.dom.Node; |
| |
| import jakarta.xml.bind.ValidationEvent; |
| import jakarta.xml.bind.ValidationEventHandler; |
| import jakarta.xml.bind.ValidationEventLocator; |
| import java.net.URL; |
| |
| /** |
| * <p> |
| * 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. |
| * |
| * <p> |
| * This handler causes the unmarshal and validate operations to fail on the first |
| * error or fatal error. |
| * |
| * <p> |
| * This handler is not the default handler for Jakarta XML Binding mapped classes following |
| * Jakarta XML Binding or later versions. Default validation event handling has changed |
| * and is specified in {@link jakarta.xml.bind.Unmarshaller} and |
| * {@link jakarta.xml.bind.Marshaller}. |
| * |
| * @author <ul><li>Ryan Shoemaker, Sun Microsystems, Inc.</li></ul> |
| * @see jakarta.xml.bind.Unmarshaller |
| * @see jakarta.xml.bind.ValidationEventHandler |
| * @since 1.6, JAXB 1.0 |
| */ |
| public class DefaultValidationEventHandler implements ValidationEventHandler { |
| |
| public DefaultValidationEventHandler() {} |
| |
| @Override |
| 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) { |
| StringBuilder msg = new StringBuilder(); |
| |
| 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 ").append(line); |
| if( url!=null ) |
| msg.append(" of ").append(url); |
| } else if( obj != null ) { |
| msg.append(" obj: ").append(obj.toString()); |
| } else if( node != null ) { |
| msg.append(" node: ").append(node.toString()); |
| } |
| } else { |
| msg.append( Messages.format( Messages.LOCATION_UNAVAILABLE ) ); |
| } |
| |
| return msg.toString(); |
| } |
| } |
| |