001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.processor.validation; 018 019import java.util.ArrayList; 020import java.util.List; 021 022import javax.xml.transform.Result; 023import javax.xml.validation.Schema; 024 025import org.xml.sax.SAXException; 026import org.xml.sax.SAXParseException; 027 028import org.apache.camel.Exchange; 029import org.apache.camel.ValidationException; 030import org.slf4j.Logger; 031import org.slf4j.LoggerFactory; 032 033/** 034 * A default error handler which just stores all the errors so they can be reported or transformed. 035 * 036 * @version 037 */ 038public class DefaultValidationErrorHandler implements ValidatorErrorHandler { 039 private static final Logger LOG = LoggerFactory.getLogger(DefaultValidationErrorHandler.class); 040 private List<SAXParseException> warnings = new ArrayList<>(); 041 private List<SAXParseException> errors = new ArrayList<>(); 042 private List<SAXParseException> fatalErrors = new ArrayList<>(); 043 044 public void warning(SAXParseException e) throws SAXException { 045 if (LOG.isDebugEnabled()) { 046 LOG.debug("Validation warning: {}", e, e); 047 } 048 warnings.add(e); 049 } 050 051 public void error(SAXParseException e) throws SAXException { 052 if (LOG.isDebugEnabled()) { 053 LOG.debug("Validation error: {}", e, e); 054 } 055 errors.add(e); 056 } 057 058 public void fatalError(SAXParseException e) throws SAXException { 059 if (LOG.isDebugEnabled()) { 060 LOG.debug("Validation fatalError: {}", e, e); 061 } 062 fatalErrors.add(e); 063 } 064 065 public void reset() { 066 warnings.clear(); 067 errors.clear(); 068 fatalErrors.clear(); 069 } 070 071 public boolean isValid() { 072 return errors.isEmpty() && fatalErrors.isEmpty(); 073 } 074 075 public void handleErrors(Exchange exchange, Schema schema, Result result) throws ValidationException { 076 if (!isValid()) { 077 throw new SchemaValidationException(exchange, schema, fatalErrors, errors, warnings); 078 } 079 } 080 081 public void handleErrors(Exchange exchange, Object schema) throws ValidationException { 082 if (!isValid()) { 083 throw new SchemaValidationException(exchange, schema, fatalErrors, errors, warnings); 084 } 085 } 086}