1 /* 2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javax.xml.bind.helpers; 27 28 import org.w3c.dom.Node; 29 30 import javax.xml.bind.ValidationEvent; 31 import javax.xml.bind.ValidationEventHandler; 32 import javax.xml.bind.ValidationEventLocator; 33 import java.net.URL; 34 35 /** 36 * <p> 37 * JAXB 1.0 only default validation event handler. This is the default 38 * handler for all objects created from a JAXBContext that is managing 39 * schema-derived code generated by a JAXB 1.0 binding compiler. 40 * 41 * <p> 42 * This handler causes the unmarshal and validate operations to fail on the first 43 * error or fatal error. 44 * 45 * <p> 46 * This handler is not the default handler for JAXB mapped classes following 47 * JAXB 2.0 or later versions. Default validation event handling has changed 48 * and is specified in {@link javax.xml.bind.Unmarshaller} and 49 * {@link javax.xml.bind.Marshaller}. 50 * 51 * @author <ul><li>Ryan Shoemaker, Sun Microsystems, Inc.</li></ul> 52 * @see javax.xml.bind.Unmarshaller 53 * @see javax.xml.bind.Validator 54 * @see javax.xml.bind.ValidationEventHandler 55 * @since JAXB1.0 56 */ 57 public class DefaultValidationEventHandler implements ValidationEventHandler { 58 59 public boolean handleEvent( ValidationEvent event ) { 60 61 if( event == null ) { 62 throw new IllegalArgumentException(); 63 } 64 65 // calculate the severity prefix and return value 66 String severity = null; 67 boolean retVal = false; 68 switch ( event.getSeverity() ) { 69 case ValidationEvent.WARNING: 70 severity = Messages.format( Messages.WARNING ); 71 retVal = true; // continue after warnings 72 break; 73 case ValidationEvent.ERROR: 74 severity = Messages.format( Messages.ERROR ); 75 retVal = false; // terminate after errors 76 break; 77 case ValidationEvent.FATAL_ERROR: 78 severity = Messages.format( Messages.FATAL_ERROR ); 79 retVal = false; // terminate after fatal errors 80 break; 81 default: 82 assert false : 83 Messages.format( Messages.UNRECOGNIZED_SEVERITY, 84 event.getSeverity() ); 85 } 86 87 // calculate the location message 88 String location = getLocation( event ); 89 90 System.out.println( 91 Messages.format( Messages.SEVERITY_MESSAGE, 92 severity, 93 event.getMessage(), 94 location ) ); 95 96 // fail on the first error or fatal error 97 return retVal; 98 } 99 100 /** 101 * Calculate a location message for the event 102 * 103 */ 104 private String getLocation(ValidationEvent event) { 105 StringBuffer msg = new StringBuffer(); 106 107 ValidationEventLocator locator = event.getLocator(); 108 109 if( locator != null ) { 110 111 URL url = locator.getURL(); 112 Object obj = locator.getObject(); 113 Node node = locator.getNode(); 114 int line = locator.getLineNumber(); 115 116 if( url!=null || line!=-1 ) { 117 msg.append( "line " + line ); 118 if( url!=null ) 119 msg.append( " of " + url ); 120 } else if( obj != null ) { 121 msg.append( " obj: " + obj.toString() ); 122 } else if( node != null ) { 123 msg.append( " node: " + node.toString() ); 124 } 125 } else { 126 msg.append( Messages.format( Messages.LOCATION_UNAVAILABLE ) ); 127 } 128 129 return msg.toString(); 130 } 131 }